./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaC3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaC3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro --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 c651b2cf12ef151f8c483095acc3023b343707b6f3267a95c45195266139a503 --- 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-8393723 [2022-11-18 19:32:25,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:32:25,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:32:25,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:32:25,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:32:25,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:32:25,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:32:25,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:32:25,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:32:25,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:32:25,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:32:25,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:32:25,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:32:25,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:32:25,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:32:25,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:32:25,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:32:25,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:32:25,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:32:25,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:32:25,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:32:25,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:32:25,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:32:25,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:32:25,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:32:25,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:32:25,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:32:25,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:32:25,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:32:25,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:32:25,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:32:25,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:32:25,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:32:25,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:32:25,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:32:25,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:32:25,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:32:25,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:32:25,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:32:25,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:32:25,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:32:25,709 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-18 19:32:25,744 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:32:25,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:32:25,745 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:32:25,745 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:32:25,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:32:25,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:32:25,747 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:32:25,748 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 19:32:25,748 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 19:32:25,748 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 19:32:25,749 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 19:32:25,750 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 19:32:25,750 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 19:32:25,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:32:25,750 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:32:25,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:32:25,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:32:25,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 19:32:25,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 19:32:25,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 19:32:25,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:32:25,752 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 19:32:25,753 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:32:25,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 19:32:25,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:32:25,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:32:25,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:32:25,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:32:25,757 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 19:32:25,757 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_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c651b2cf12ef151f8c483095acc3023b343707b6f3267a95c45195266139a503 [2022-11-18 19:32:26,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:32:26,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:32:26,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:32:26,144 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:32:26,145 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:32:26,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-restricted-15/PastaC3.c [2022-11-18 19:32:26,220 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/data/b08936b90/3333812c877d4a1cbfb02c45bad32f1a/FLAG591e9eeb0 [2022-11-18 19:32:26,685 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:32:26,686 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/sv-benchmarks/c/termination-restricted-15/PastaC3.c [2022-11-18 19:32:26,698 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/data/b08936b90/3333812c877d4a1cbfb02c45bad32f1a/FLAG591e9eeb0 [2022-11-18 19:32:27,071 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/data/b08936b90/3333812c877d4a1cbfb02c45bad32f1a [2022-11-18 19:32:27,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:32:27,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:32:27,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:32:27,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:32:27,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:32:27,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:32:27" (1/1) ... [2022-11-18 19:32:27,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d1ced8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:32:27, skipping insertion in model container [2022-11-18 19:32:27,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:32:27" (1/1) ... [2022-11-18 19:32:27,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:32:27,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:32:27,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:32:27,359 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:32:27,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:32:27,391 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:32:27,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:32:27 WrapperNode [2022-11-18 19:32:27,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:32:27,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:32:27,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:32:27,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:32:27,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:32:27" (1/1) ... [2022-11-18 19:32:27,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:32:27" (1/1) ... [2022-11-18 19:32:27,419 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2022-11-18 19:32:27,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:32:27,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:32:27,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:32:27,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:32:27,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:32:27" (1/1) ... [2022-11-18 19:32:27,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:32:27" (1/1) ... [2022-11-18 19:32:27,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:32:27" (1/1) ... [2022-11-18 19:32:27,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:32:27" (1/1) ... [2022-11-18 19:32:27,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:32:27" (1/1) ... [2022-11-18 19:32:27,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:32:27" (1/1) ... [2022-11-18 19:32:27,435 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:32:27" (1/1) ... [2022-11-18 19:32:27,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:32:27" (1/1) ... [2022-11-18 19:32:27,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:32:27,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:32:27,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:32:27,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:32:27,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:32:27" (1/1) ... [2022-11-18 19:32:27,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:27,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:27,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:27,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 19:32:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:32:27,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:32:27,601 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:32:27,604 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:32:27,699 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:32:27,707 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:32:27,707 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 19:32:27,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:32:27 BoogieIcfgContainer [2022-11-18 19:32:27,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:32:27,712 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 19:32:27,712 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 19:32:27,717 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 19:32:27,718 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:32:27,718 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 07:32:27" (1/3) ... [2022-11-18 19:32:27,720 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@389fad16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 07:32:27, skipping insertion in model container [2022-11-18 19:32:27,720 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:32:27,721 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:32:27" (2/3) ... [2022-11-18 19:32:27,721 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@389fad16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 07:32:27, skipping insertion in model container [2022-11-18 19:32:27,721 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:32:27,722 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:32:27" (3/3) ... [2022-11-18 19:32:27,723 INFO L332 chiAutomizerObserver]: Analyzing ICFG PastaC3.c [2022-11-18 19:32:27,791 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 19:32:27,792 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 19:32:27,792 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 19:32:27,792 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 19:32:27,792 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 19:32:27,792 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 19:32:27,792 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 19:32:27,792 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 19:32:27,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:32:27,819 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 19:32:27,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:32:27,820 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:32:27,825 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 19:32:27,825 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 19:32:27,825 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 19:32:27,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:32:27,827 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 19:32:27,827 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:32:27,827 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:32:27,828 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 19:32:27,828 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 19:32:27,835 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 8#L14-2true [2022-11-18 19:32:27,836 INFO L750 eck$LassoCheckResult]: Loop: 8#L14-2true assume !!(main_~x~0#1 < main_~y~0#1); 7#L14true assume !(main_~x~0#1 < main_~z~0#1);main_~z~0#1 := 1 + main_~z~0#1; 8#L14-2true [2022-11-18 19:32:27,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:27,842 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-18 19:32:27,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:32:27,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111556451] [2022-11-18 19:32:27,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:32:27,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:32:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:27,939 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:32:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:27,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:32:27,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:27,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2022-11-18 19:32:27,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:32:27,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989803862] [2022-11-18 19:32:27,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:32:27,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:32:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:28,000 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:32:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:28,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:32:28,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:28,023 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2022-11-18 19:32:28,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:32:28,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460379131] [2022-11-18 19:32:28,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:32:28,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:32:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:28,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:32:28,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:28,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:32:28,125 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:32:28,126 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:32:28,126 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:32:28,126 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:32:28,127 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 19:32:28,127 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:28,127 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:32:28,127 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:32:28,127 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC3.c_Iteration1_Loop [2022-11-18 19:32:28,127 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:32:28,128 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:32:28,163 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:28,192 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:28,196 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:28,309 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:32:28,310 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 19:32:28,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:28,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:28,327 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:28,333 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 19:32:28,334 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:32:28,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 19:32:28,362 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 19:32:28,362 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-18 19:32:28,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:28,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:28,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:28,374 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:28,384 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 19:32:28,384 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:32:28,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 19:32:28,407 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 19:32:28,407 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-18 19:32:28,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-11-18 19:32:28,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:28,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:28,418 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:28,423 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 19:32:28,424 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:32:28,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 19:32:28,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:28,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:28,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:28,465 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:28,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 19:32:28,468 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 19:32:28,471 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:32:28,717 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 19:32:28,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:28,723 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:32:28,724 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:32:28,724 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:32:28,724 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:32:28,724 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 19:32:28,724 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:28,724 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:32:28,724 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:32:28,725 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC3.c_Iteration1_Loop [2022-11-18 19:32:28,725 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:32:28,725 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:32:28,727 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:28,736 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:28,746 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:28,792 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:32:28,796 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 19:32:28,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:28,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:28,799 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:28,821 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 [2022-11-18 19:32:28,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 19:32:28,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:32:28,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:32:28,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:32:28,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:32:28,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:32:28,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:32:28,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:32:28,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:28,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:28,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:28,869 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:28,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 19:32:28,872 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 [2022-11-18 19:32:28,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:32:28,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:32:28,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:32:28,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:32:28,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:32:28,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:32:28,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:32:28,905 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 19:32:28,914 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 19:32:28,914 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-18 19:32:28,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:28,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:28,920 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:28,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 19:32:28,943 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 19:32:28,943 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 19:32:28,943 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 19:32:28,944 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~z~0#1) = 2*ULTIMATE.start_main_~x~0#1 - 2*ULTIMATE.start_main_~z~0#1 + 1 Supporting invariants [] [2022-11-18 19:32:28,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-18 19:32:28,954 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 19:32:29,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:32:29,019 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:32:29,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:32:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:32:29,033 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:32:29,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:32:29,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:32:29,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:29,100 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-18 19:32:29,106 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-18 19:32:29,145 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 31 transitions. Complement of second has 6 states. [2022-11-18 19:32:29,147 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 [2022-11-18 19:32:29,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-18 19:32:29,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2022-11-18 19:32:29,153 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-18 19:32:29,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:32:29,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-18 19:32:29,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:32:29,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-18 19:32:29,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:32:29,156 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2022-11-18 19:32:29,158 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 19:32:29,162 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 8 states and 11 transitions. [2022-11-18 19:32:29,163 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2022-11-18 19:32:29,163 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-11-18 19:32:29,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2022-11-18 19:32:29,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 19:32:29,164 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2022-11-18 19:32:29,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2022-11-18 19:32:29,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-18 19:32:29,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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) [2022-11-18 19:32:29,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2022-11-18 19:32:29,189 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2022-11-18 19:32:29,189 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2022-11-18 19:32:29,189 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 19:32:29,189 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2022-11-18 19:32:29,190 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 19:32:29,190 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:32:29,190 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:32:29,190 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-18 19:32:29,190 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 19:32:29,191 INFO L748 eck$LassoCheckResult]: Stem: 67#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 68#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 69#L14-2 assume !!(main_~x~0#1 < main_~y~0#1); 70#L14 assume main_~x~0#1 < main_~z~0#1;main_~x~0#1 := 1 + main_~x~0#1; 71#L14-2 [2022-11-18 19:32:29,191 INFO L750 eck$LassoCheckResult]: Loop: 71#L14-2 assume !!(main_~x~0#1 < main_~y~0#1); 74#L14 assume !(main_~x~0#1 < main_~z~0#1);main_~z~0#1 := 1 + main_~z~0#1; 71#L14-2 [2022-11-18 19:32:29,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:29,191 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2022-11-18 19:32:29,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:32:29,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756639102] [2022-11-18 19:32:29,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:32:29,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:32:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:29,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:32:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:29,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:32:29,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:29,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 2 times [2022-11-18 19:32:29,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:32:29,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981792102] [2022-11-18 19:32:29,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:32:29,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:32:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:29,222 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:32:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:29,230 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:32:29,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:29,231 INFO L85 PathProgramCache]: Analyzing trace with hash 889692235, now seen corresponding path program 1 times [2022-11-18 19:32:29,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:32:29,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212727903] [2022-11-18 19:32:29,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:32:29,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:32:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:29,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:32:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:29,246 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:32:29,268 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:32:29,268 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:32:29,268 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:32:29,268 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:32:29,269 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 19:32:29,269 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:29,269 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:32:29,269 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:32:29,269 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC3.c_Iteration2_Loop [2022-11-18 19:32:29,269 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:32:29,269 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:32:29,271 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:29,274 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:29,277 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:29,319 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:32:29,319 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 19:32:29,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:29,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:29,321 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:29,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 19:32:29,343 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 19:32:29,343 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:32:29,363 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 19:32:29,364 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-18 19:32:29,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-18 19:32:29,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:29,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:29,371 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:29,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 19:32:29,374 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 19:32:29,374 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:32:29,410 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 19:32:29,410 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-18 19:32:29,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:29,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:29,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:29,422 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:29,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 19:32:29,445 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 19:32:29,445 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:32:29,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:29,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:29,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:29,479 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:29,492 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 19:32:29,492 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:32:29,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 19:32:29,737 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 19:32:29,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:29,741 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:32:29,741 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:32:29,741 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:32:29,741 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:32:29,741 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 19:32:29,741 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:29,741 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:32:29,742 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:32:29,742 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC3.c_Iteration2_Loop [2022-11-18 19:32:29,742 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:32:29,742 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:32:29,744 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:29,750 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:29,754 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:29,805 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:32:29,806 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 19:32:29,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:29,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:29,807 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:29,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 19:32:29,827 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 [2022-11-18 19:32:29,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:32:29,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:32:29,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:32:29,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:32:29,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:32:29,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:32:29,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:32:29,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:29,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:29,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:29,899 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:29,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 19:32:29,912 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 [2022-11-18 19:32:29,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:32:29,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:32:29,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:32:29,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:32:29,928 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:32:29,928 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:32:29,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:32:29,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:29,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:29,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:29,956 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:29,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 19:32:29,961 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 [2022-11-18 19:32:29,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:32:29,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:32:29,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:32:29,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:32:29,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:32:29,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:32:29,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:32:29,985 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 19:32:29,989 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 19:32:29,989 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-18 19:32:29,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:29,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:29,991 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:29,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 19:32:29,994 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 19:32:29,994 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 19:32:29,994 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 19:32:29,994 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~z~0#1) = 2*ULTIMATE.start_main_~x~0#1 - 2*ULTIMATE.start_main_~z~0#1 + 1 Supporting invariants [] [2022-11-18 19:32:29,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:29,999 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 19:32:30,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:32:30,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:32:30,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:32:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:32:30,056 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:32:30,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:32:30,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:32:30,065 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-18 19:32:30,066 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:32:30,080 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 17 transitions. Complement of second has 5 states. [2022-11-18 19:32:30,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 19:32:30,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:32:30,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2022-11-18 19:32:30,082 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-18 19:32:30,082 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:32:30,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-18 19:32:30,083 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:32:30,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-18 19:32:30,083 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:32:30,083 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 17 transitions. [2022-11-18 19:32:30,084 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 19:32:30,085 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 17 transitions. [2022-11-18 19:32:30,085 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-11-18 19:32:30,085 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-11-18 19:32:30,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 17 transitions. [2022-11-18 19:32:30,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 19:32:30,085 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2022-11-18 19:32:30,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 17 transitions. [2022-11-18 19:32:30,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-11-18 19:32:30,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:32:30,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 17 transitions. [2022-11-18 19:32:30,087 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2022-11-18 19:32:30,087 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 17 transitions. [2022-11-18 19:32:30,088 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 19:32:30,088 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 17 transitions. [2022-11-18 19:32:30,088 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 19:32:30,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:32:30,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:32:30,089 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1] [2022-11-18 19:32:30,089 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 19:32:30,089 INFO L748 eck$LassoCheckResult]: Stem: 124#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 125#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 126#L14-2 assume !!(main_~x~0#1 < main_~y~0#1); 127#L14 assume main_~x~0#1 < main_~z~0#1;main_~x~0#1 := 1 + main_~x~0#1; 128#L14-2 assume !!(main_~x~0#1 < main_~y~0#1); 133#L14 assume main_~x~0#1 < main_~z~0#1;main_~x~0#1 := 1 + main_~x~0#1; 131#L14-2 [2022-11-18 19:32:30,089 INFO L750 eck$LassoCheckResult]: Loop: 131#L14-2 assume !!(main_~x~0#1 < main_~y~0#1); 132#L14 assume !(main_~x~0#1 < main_~z~0#1);main_~z~0#1 := 1 + main_~z~0#1; 131#L14-2 [2022-11-18 19:32:30,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:30,090 INFO L85 PathProgramCache]: Analyzing trace with hash 889692233, now seen corresponding path program 2 times [2022-11-18 19:32:30,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:32:30,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774400944] [2022-11-18 19:32:30,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:32:30,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:32:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:30,096 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:32:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:30,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:32:30,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:30,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 3 times [2022-11-18 19:32:30,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:32:30,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943229771] [2022-11-18 19:32:30,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:32:30,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:32:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:30,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:32:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:30,110 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:32:30,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:30,111 INFO L85 PathProgramCache]: Analyzing trace with hash 295744366, now seen corresponding path program 2 times [2022-11-18 19:32:30,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:32:30,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36648082] [2022-11-18 19:32:30,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:32:30,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:32:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:30,119 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:32:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:30,126 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:32:30,147 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:32:30,147 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:32:30,147 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:32:30,147 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:32:30,147 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 19:32:30,148 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:30,148 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:32:30,148 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:32:30,148 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC3.c_Iteration3_Loop [2022-11-18 19:32:30,148 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:32:30,148 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:32:30,149 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:30,158 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:30,161 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:30,200 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:32:30,200 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 19:32:30,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:30,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:30,203 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:30,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 19:32:30,239 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 19:32:30,239 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:32:30,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:30,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:30,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:30,268 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:30,281 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 19:32:30,282 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:32:30,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 19:32:30,561 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 19:32:30,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:30,564 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:32:30,565 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:32:30,565 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:32:30,565 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:32:30,565 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 19:32:30,565 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:30,565 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:32:30,565 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:32:30,565 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC3.c_Iteration3_Loop [2022-11-18 19:32:30,565 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:32:30,565 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:32:30,567 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:30,591 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:30,596 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:30,650 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:32:30,651 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 19:32:30,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:30,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:30,652 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:30,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-18 19:32:30,662 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 [2022-11-18 19:32:30,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:32:30,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:32:30,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:32:30,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:32:30,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:32:30,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:32:30,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:32:30,694 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 19:32:30,700 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 19:32:30,700 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-18 19:32:30,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:30,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:30,706 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:30,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-18 19:32:30,716 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 19:32:30,719 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 19:32:30,719 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 19:32:30,719 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~z~0#1) = 2*ULTIMATE.start_main_~x~0#1 - 2*ULTIMATE.start_main_~z~0#1 + 1 Supporting invariants [] [2022-11-18 19:32:30,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:30,724 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 19:32:30,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:32:30,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:32:30,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:32:30,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:32:30,804 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:32:30,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:32:30,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:32:30,808 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-18 19:32:30,809 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8 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) [2022-11-18 19:32:30,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:30,835 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8. 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 14 states and 21 transitions. Complement of second has 5 states. [2022-11-18 19:32:30,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 19:32:30,837 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) [2022-11-18 19:32:30,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2022-11-18 19:32:30,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-18 19:32:30,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:32:30,838 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 19:32:30,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:32:30,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:32:30,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:32:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:32:30,889 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:32:30,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:32:30,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:32:30,897 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-18 19:32:30,898 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8 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) [2022-11-18 19:32:30,911 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8. 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 14 states and 21 transitions. Complement of second has 5 states. [2022-11-18 19:32:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 19:32:30,913 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) [2022-11-18 19:32:30,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2022-11-18 19:32:30,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-18 19:32:30,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:32:30,915 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 19:32:30,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:32:30,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:32:30,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:32:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:32:30,959 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:32:30,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:32:30,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:32:30,968 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-18 19:32:30,968 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8 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) [2022-11-18 19:32:30,989 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 17 transitions. cyclomatic complexity: 8. 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 16 states and 24 transitions. Complement of second has 4 states. [2022-11-18 19:32:30,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 19:32:30,992 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) [2022-11-18 19:32:30,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-11-18 19:32:30,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-18 19:32:30,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:32:30,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-18 19:32:30,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:32:30,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 4 letters. [2022-11-18 19:32:30,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:32:30,996 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 24 transitions. [2022-11-18 19:32:30,999 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 19:32:31,000 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 14 states and 20 transitions. [2022-11-18 19:32:31,001 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-18 19:32:31,001 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-11-18 19:32:31,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2022-11-18 19:32:31,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 19:32:31,002 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2022-11-18 19:32:31,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2022-11-18 19:32:31,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 6. [2022-11-18 19:32:31,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 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) [2022-11-18 19:32:31,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2022-11-18 19:32:31,006 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 8 transitions. [2022-11-18 19:32:31,006 INFO L428 stractBuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2022-11-18 19:32:31,007 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 19:32:31,007 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2022-11-18 19:32:31,008 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 19:32:31,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:32:31,008 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:32:31,009 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 19:32:31,009 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 19:32:31,009 INFO L748 eck$LassoCheckResult]: Stem: 278#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 279#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 280#L14-2 [2022-11-18 19:32:31,009 INFO L750 eck$LassoCheckResult]: Loop: 280#L14-2 assume !!(main_~x~0#1 < main_~y~0#1); 281#L14 assume main_~x~0#1 < main_~z~0#1;main_~x~0#1 := 1 + main_~x~0#1; 280#L14-2 [2022-11-18 19:32:31,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:31,010 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2022-11-18 19:32:31,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:32:31,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56385975] [2022-11-18 19:32:31,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:32:31,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:32:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:31,035 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:32:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:31,037 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:32:31,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:31,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1316, now seen corresponding path program 1 times [2022-11-18 19:32:31,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:32:31,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331357250] [2022-11-18 19:32:31,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:32:31,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:32:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:31,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:32:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:31,046 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:32:31,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:31,047 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 3 times [2022-11-18 19:32:31,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:32:31,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325563078] [2022-11-18 19:32:31,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:32:31,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:32:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:31,052 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:32:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:32:31,055 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:32:31,074 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:32:31,075 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:32:31,075 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:32:31,075 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:32:31,075 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 19:32:31,075 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:31,075 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:32:31,075 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:32:31,076 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC3.c_Iteration4_Loop [2022-11-18 19:32:31,076 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:32:31,076 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:32:31,077 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:31,080 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:31,083 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:31,130 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:32:31,130 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 19:32:31,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:31,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:31,135 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:31,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-18 19:32:31,148 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 19:32:31,148 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:32:31,170 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 19:32:31,170 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-18 19:32:31,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:31,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:31,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:31,181 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:31,187 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 19:32:31,188 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:32:31,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-18 19:32:31,207 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 19:32:31,207 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-18 19:32:31,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:31,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:31,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:31,211 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:31,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-18 19:32:31,215 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 19:32:31,216 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:32:31,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:31,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:31,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:31,232 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:31,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-18 19:32:31,235 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 19:32:31,235 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:32:31,539 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 19:32:31,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-11-18 19:32:31,543 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:32:31,543 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:32:31,543 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:32:31,543 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:32:31,543 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 19:32:31,543 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:31,543 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:32:31,543 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:32:31,543 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaC3.c_Iteration4_Loop [2022-11-18 19:32:31,544 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:32:31,544 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:32:31,545 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:31,554 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:31,566 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:32:31,614 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:32:31,614 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 19:32:31,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:31,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:31,619 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:31,625 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 [2022-11-18 19:32:31,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:32:31,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:32:31,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:32:31,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:32:31,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 19:32:31,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 19:32:31,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-18 19:32:31,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 19:32:31,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:31,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:31,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:31,676 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:31,683 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 [2022-11-18 19:32:31,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:32:31,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:32:31,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:32:31,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:32:31,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:32:31,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:32:31,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:32:31,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-18 19:32:31,714 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 19:32:31,719 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 19:32:31,719 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-18 19:32:31,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:32:31,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:32:31,720 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:32:31,725 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 19:32:31,725 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 19:32:31,725 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 19:32:31,725 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = -1*ULTIMATE.start_main_~x~0#1 + 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-11-18 19:32:31,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-18 19:32:31,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:31,735 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 19:32:31,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:32:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:32:31,762 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:32:31,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:32:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:32:31,768 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:32:31,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:32:31,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:32:31,798 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 [2022-11-18 19:32:31,798 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-18 19:32:31,812 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 12 states and 18 transitions. Complement of second has 4 states. [2022-11-18 19:32:31,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 19:32:31,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-18 19:32:31,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2022-11-18 19:32:31,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-18 19:32:31,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:32:31,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-18 19:32:31,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:32:31,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-18 19:32:31,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:32:31,816 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 18 transitions. [2022-11-18 19:32:31,816 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 19:32:31,816 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2022-11-18 19:32:31,817 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 19:32:31,817 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 19:32:31,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 19:32:31,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:32:31,817 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:32:31,817 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:32:31,817 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:32:31,817 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-18 19:32:31,817 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 19:32:31,817 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 19:32:31,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 19:32:31,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 07:32:31 BoogieIcfgContainer [2022-11-18 19:32:31,824 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 19:32:31,825 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:32:31,825 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:32:31,825 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:32:31,826 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:32:27" (3/4) ... [2022-11-18 19:32:31,830 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 19:32:31,830 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:32:31,837 INFO L158 Benchmark]: Toolchain (without parser) took 4753.27ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 83.0MB in the beginning and 85.8MB in the end (delta: -2.8MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2022-11-18 19:32:31,839 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 119.5MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:32:31,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.37ms. Allocated memory is still 119.5MB. Free memory was 82.8MB in the beginning and 96.1MB in the end (delta: -13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:32:31,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.62ms. Allocated memory is still 119.5MB. Free memory was 96.1MB in the beginning and 94.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:32:31,841 INFO L158 Benchmark]: Boogie Preprocessor took 16.94ms. Allocated memory is still 119.5MB. Free memory was 94.7MB in the beginning and 93.9MB in the end (delta: 806.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:32:31,842 INFO L158 Benchmark]: RCFGBuilder took 272.66ms. Allocated memory is still 119.5MB. Free memory was 93.9MB in the beginning and 85.6MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:32:31,844 INFO L158 Benchmark]: BuchiAutomizer took 4112.28ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 85.6MB in the beginning and 85.8MB in the end (delta: -192.6kB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2022-11-18 19:32:31,845 INFO L158 Benchmark]: Witness Printer took 5.66ms. Allocated memory is still 144.7MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:32:31,847 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 119.5MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.37ms. Allocated memory is still 119.5MB. Free memory was 82.8MB in the beginning and 96.1MB in the end (delta: -13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.62ms. Allocated memory is still 119.5MB. Free memory was 96.1MB in the beginning and 94.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.94ms. Allocated memory is still 119.5MB. Free memory was 94.7MB in the beginning and 93.9MB in the end (delta: 806.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 272.66ms. Allocated memory is still 119.5MB. Free memory was 93.9MB in the beginning and 85.6MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4112.28ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 85.6MB in the beginning and 85.8MB in the end (delta: -192.6kB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Witness Printer took 5.66ms. Allocated memory is still 144.7MB. Free memory is still 85.8MB. 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 4 terminating modules (0 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * x + -2 * z + 1 and consists of 4 locations. One deterministic module has affine ranking function 2 * x + -2 * z + 1 and consists of 3 locations. One deterministic module has affine ranking function y + -1 * x and consists of 3 locations. One nondeterministic module has affine ranking function 2 * x + -2 * z + 1 and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 3.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 27 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax187 hnf100 lsp53 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq143 hnf94 smp100 dnf100 smp100 tf110 neg96 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 65ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-18 19:32:31,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-18 19:32:32,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e36c00-17df-4148-8f62-d281153d41e3/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE