./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU --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 e315cf3165b5c80f73630ff082828d53fc68117bd863ad55d6a1d7f1b3bce898 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:24:25,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:24:25,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:24:25,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:24:25,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:24:25,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:24:25,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:24:25,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:24:25,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:24:25,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:24:25,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:24:25,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:24:25,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:24:25,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:24:25,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:24:25,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:24:25,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:24:25,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:24:25,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:24:25,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:24:25,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:24:25,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:24:25,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:24:25,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:24:25,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:24:25,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:24:25,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:24:25,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:24:25,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:24:25,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:24:25,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:24:25,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:24:25,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:24:25,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:24:25,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:24:25,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:24:25,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:24:25,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:24:25,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:24:25,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:24:25,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:24:25,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-02 22:24:25,774 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:24:25,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:24:25,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:24:25,775 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:24:25,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:24:25,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:24:25,777 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:24:25,777 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-02 22:24:25,778 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-02 22:24:25,778 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-02 22:24:25,778 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-02 22:24:25,779 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-02 22:24:25,779 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-02 22:24:25,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:24:25,779 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-02 22:24:25,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:24:25,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:24:25,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-02 22:24:25,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-02 22:24:25,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-02 22:24:25,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:24:25,782 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-02 22:24:25,782 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:24:25,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-02 22:24:25,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:24:25,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:24:25,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:24:25,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:24:25,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:24:25,785 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-02 22:24:25,785 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_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e315cf3165b5c80f73630ff082828d53fc68117bd863ad55d6a1d7f1b3bce898 [2021-11-02 22:24:26,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:24:26,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:24:26,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:24:26,099 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:24:26,100 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:24:26,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i [2021-11-02 22:24:26,200 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/data/ca00c414e/fb8125e52e0e471cb70956cca400c07e/FLAG756caa887 [2021-11-02 22:24:26,875 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:24:26,880 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i [2021-11-02 22:24:26,898 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/data/ca00c414e/fb8125e52e0e471cb70956cca400c07e/FLAG756caa887 [2021-11-02 22:24:27,101 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/data/ca00c414e/fb8125e52e0e471cb70956cca400c07e [2021-11-02 22:24:27,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:24:27,106 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:24:27,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:24:27,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:24:27,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:24:27,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:24:27" (1/1) ... [2021-11-02 22:24:27,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@669fcfba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:27, skipping insertion in model container [2021-11-02 22:24:27,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:24:27" (1/1) ... [2021-11-02 22:24:27,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:24:27,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:24:27,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:24:27,533 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:24:27,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:24:27,638 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:24:27,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:27 WrapperNode [2021-11-02 22:24:27,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:24:27,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:24:27,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:24:27,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:24:27,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:27" (1/1) ... [2021-11-02 22:24:27,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:27" (1/1) ... [2021-11-02 22:24:27,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:24:27,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:24:27,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:24:27,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:24:27,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:27" (1/1) ... [2021-11-02 22:24:27,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:27" (1/1) ... [2021-11-02 22:24:27,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:27" (1/1) ... [2021-11-02 22:24:27,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:27" (1/1) ... [2021-11-02 22:24:27,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:27" (1/1) ... [2021-11-02 22:24:27,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:27" (1/1) ... [2021-11-02 22:24:27,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:27" (1/1) ... [2021-11-02 22:24:27,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:24:27,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:24:27,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:24:27,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:24:27,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:27" (1/1) ... [2021-11-02 22:24:27,770 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:24:27,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:24:27,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:24:27,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-02 22:24:27,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:24:27,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 22:24:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 22:24:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 22:24:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:24:27,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:24:28,113 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:24:28,114 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-02 22:24:28,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:24:28 BoogieIcfgContainer [2021-11-02 22:24:28,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:24:28,117 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-02 22:24:28,117 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-02 22:24:28,121 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-02 22:24:28,122 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:24:28,123 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 10:24:27" (1/3) ... [2021-11-02 22:24:28,124 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4dee6928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:24:28, skipping insertion in model container [2021-11-02 22:24:28,124 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:24:28,125 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:24:27" (2/3) ... [2021-11-02 22:24:28,125 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4dee6928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:24:28, skipping insertion in model container [2021-11-02 22:24:28,125 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:24:28,126 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:24:28" (3/3) ... [2021-11-02 22:24:28,127 INFO L389 chiAutomizerObserver]: Analyzing ICFG cll_traverse-alloca.i [2021-11-02 22:24:28,181 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-02 22:24:28,182 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-02 22:24:28,182 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-02 22:24:28,182 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-02 22:24:28,182 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-02 22:24:28,182 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-02 22:24:28,182 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-02 22:24:28,183 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-02 22:24:28,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:24:28,223 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2021-11-02 22:24:28,223 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:24:28,224 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:24:28,230 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-02 22:24:28,231 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-02 22:24:28,231 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-02 22:24:28,231 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:24:28,233 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2021-11-02 22:24:28,233 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:24:28,233 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:24:28,234 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-02 22:24:28,234 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-02 22:24:28,242 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~ret7.base, main_#t~ret7.offset, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6;init_cll_#in~n := main_~n~0;havoc init_cll_#res.base, init_cll_#res.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset, init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset, init_cll_#t~post3, init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~n, init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~n := init_cll_#in~n;havoc init_cll_~head~0.base, init_cll_~head~0.offset;call init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;call write~int(0, init_cll_~curr~0.base, init_cll_~curr~0.offset, 4);init_cll_~head~0.base, init_cll_~head~0.offset := init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~i~0 := 1; 6#L552-3true [2021-11-02 22:24:28,243 INFO L793 eck$LassoCheckResult]: Loop: 6#L552-3true assume !!(init_cll_~i~0 < init_cll_~n);call init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset := #Ultimate.allocOnHeap(12);init_cll_~next_node~0.base, init_cll_~next_node~0.offset := init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset;havoc init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset;call write~int(init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, 4);call write~$Pointer$(init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~curr~0.base, 4 + init_cll_~curr~0.offset, 8);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_~next_node~0.base, init_cll_~next_node~0.offset; 3#L552-2true init_cll_#t~post3 := init_cll_~i~0;init_cll_~i~0 := 1 + init_cll_#t~post3;havoc init_cll_#t~post3; 6#L552-3true [2021-11-02 22:24:28,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:24:28,250 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-02 22:24:28,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:24:28,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505583670] [2021-11-02 22:24:28,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:24:28,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:24:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:24:28,380 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:24:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:24:28,446 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:24:28,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:24:28,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-11-02 22:24:28,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:24:28,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763827749] [2021-11-02 22:24:28,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:24:28,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:24:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:24:28,480 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:24:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:24:28,532 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:24:28,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:24:28,534 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-11-02 22:24:28,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:24:28,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965705] [2021-11-02 22:24:28,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:24:28,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:24:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:24:28,614 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:24:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:24:28,683 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:24:29,607 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:24:29,608 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:24:29,608 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:24:29,608 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:24:29,609 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:24:29,609 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:24:29,609 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:24:29,609 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:24:29,609 INFO L133 ssoRankerPreferences]: Filename of dumped script: cll_traverse-alloca.i_Iteration1_Lasso [2021-11-02 22:24:29,609 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:24:29,610 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:24:29,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:24:29,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:24:29,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:24:29,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:24:29,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:24:29,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:24:29,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:24:29,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:24:29,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:24:29,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:24:29,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:24:29,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:24:29,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:24:29,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:24:29,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:24:29,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:24:30,340 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:24:30,348 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:24:30,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:24:30,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:24:30,360 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:24:30,366 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 [2021-11-02 22:24:30,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:24:30,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:24:30,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:24:30,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:24:30,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:24:30,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:24:30,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:24:30,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-02 22:24:30,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:24:30,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-02 22:24:30,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:24:30,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:24:30,418 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:24:30,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-02 22:24:30,423 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 [2021-11-02 22:24:30,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:24:30,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:24:30,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:24:30,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:24:30,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:24:30,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:24:30,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:24:30,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:24:30,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-02 22:24:30,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:24:30,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:24:30,503 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:24:30,509 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 [2021-11-02 22:24:30,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:24:30,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:24:30,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:24:30,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:24:30,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:24:30,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:24:30,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:24:30,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-02 22:24:30,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:24:30,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-02 22:24:30,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:24:30,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:24:30,569 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:24:30,575 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 [2021-11-02 22:24:30,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-02 22:24:30,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:24:30,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:24:30,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:24:30,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:24:30,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:24:30,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:24:30,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:24:30,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:24:30,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-02 22:24:30,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:24:30,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:24:30,638 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:24:30,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-02 22:24:30,643 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 [2021-11-02 22:24:30,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:24:30,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:24:30,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:24:30,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:24:30,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:24:30,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:24:30,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:24:30,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:24:30,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-11-02 22:24:30,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:24:30,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:24:30,692 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:24:30,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-02 22:24:30,694 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 [2021-11-02 22:24:30,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:24:30,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:24:30,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:24:30,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:24:30,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:24:30,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:24:30,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:24:30,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-02 22:24:30,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:24:30,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:24:30,762 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:24:30,779 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 [2021-11-02 22:24:30,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:24:30,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:24:30,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:24:30,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:24:30,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:24:30,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:24:30,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:24:30,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-02 22:24:30,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:24:30,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-02 22:24:30,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:24:30,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:24:30,855 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:24:30,863 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 [2021-11-02 22:24:30,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:24:30,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:24:30,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:24:30,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:24:30,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:24:30,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:24:30,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:24:30,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-02 22:24:30,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:24:30,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-02 22:24:30,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:24:30,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:24:30,937 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:24:30,947 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 [2021-11-02 22:24:30,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-02 22:24:30,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:24:30,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:24:30,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:24:30,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:24:30,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:24:30,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:24:30,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:24:30,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:24:31,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-02 22:24:31,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:24:31,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:24:31,037 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:24:31,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-02 22:24:31,042 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 [2021-11-02 22:24:31,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:24:31,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:24:31,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:24:31,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:24:31,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:24:31,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:24:31,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:24:31,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:24:31,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-02 22:24:31,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:24:31,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:24:31,115 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:24:31,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-02 22:24:31,118 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 [2021-11-02 22:24:31,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:24:31,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:24:31,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:24:31,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:24:31,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:24:31,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:24:31,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:24:31,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:24:31,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-02 22:24:31,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:24:31,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:24:31,190 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:24:31,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-02 22:24:31,200 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 [2021-11-02 22:24:31,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:24:31,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:24:31,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:24:31,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:24:31,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:24:31,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:24:31,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:24:31,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:24:31,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-11-02 22:24:31,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:24:31,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:24:31,241 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:24:31,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-02 22:24:31,244 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 [2021-11-02 22:24:31,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:24:31,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:24:31,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:24:31,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:24:31,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:24:31,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:24:31,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:24:31,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-02 22:24:31,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:24:31,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:24:31,309 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:24:31,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-02 22:24:31,312 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 [2021-11-02 22:24:31,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:24:31,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:24:31,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:24:31,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:24:31,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:24:31,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:24:31,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:24:31,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:24:31,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-02 22:24:31,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:24:31,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:24:31,370 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:24:31,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-02 22:24:31,372 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 [2021-11-02 22:24:31,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:24:31,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:24:31,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:24:31,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:24:31,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:24:31,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:24:31,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:24:31,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-02 22:24:31,437 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:24:31,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:24:31,438 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:24:31,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-02 22:24:31,443 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 [2021-11-02 22:24:31,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:24:31,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:24:31,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:24:31,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:24:31,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:24:31,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:24:31,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:24:31,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-02 22:24:31,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:24:31,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:24:31,516 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:24:31,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-02 22:24:31,521 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 [2021-11-02 22:24:31,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:24:31,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:24:31,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:24:31,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:24:31,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:24:31,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:24:31,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:24:31,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-02 22:24:31,598 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:24:31,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:24:31,603 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:24:31,610 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 [2021-11-02 22:24:31,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-02 22:24:31,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:24:31,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:24:31,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:24:31,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:24:31,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:24:31,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:24:31,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:24:31,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 22:24:31,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-02 22:24:31,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:24:31,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:24:31,649 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:24:31,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-02 22:24:31,654 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 [2021-11-02 22:24:31,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:24:31,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:24:31,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:24:31,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:24:31,670 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 22:24:31,670 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 22:24:31,693 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:24:31,722 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-02 22:24:31,723 INFO L444 ModelExtractionUtils]: 10 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-11-02 22:24:31,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:24:31,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:24:31,758 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:24:31,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-02 22:24:31,823 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:24:31,860 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-02 22:24:31,860 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:24:31,861 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_init_cll_~n, ULTIMATE.start_init_cll_~i~0) = 1*ULTIMATE.start_init_cll_~n - 1*ULTIMATE.start_init_cll_~i~0 Supporting invariants [] [2021-11-02 22:24:31,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-02 22:24:31,956 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2021-11-02 22:24:31,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:24:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:24:32,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 22:24:32,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:24:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:24:32,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-02 22:24:32,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:24:32,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:24:32,142 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-02 22:24:32,144 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 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) [2021-11-02 22:24:32,208 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 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 27 states and 36 transitions. Complement of second has 7 states. [2021-11-02 22:24:32,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-02 22:24:32,211 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) [2021-11-02 22:24:32,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2021-11-02 22:24:32,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 2 letters. [2021-11-02 22:24:32,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:24:32,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-02 22:24:32,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:24:32,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 4 letters. [2021-11-02 22:24:32,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:24:32,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-02 22:24:32,226 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2021-11-02 22:24:32,230 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-02 22:24:32,234 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 8 states and 10 transitions. [2021-11-02 22:24:32,235 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-11-02 22:24:32,236 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-11-02 22:24:32,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2021-11-02 22:24:32,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:24:32,237 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-11-02 22:24:32,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2021-11-02 22:24:32,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-11-02 22:24:32,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) 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) [2021-11-02 22:24:32,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2021-11-02 22:24:32,262 INFO L704 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-11-02 22:24:32,262 INFO L587 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-11-02 22:24:32,262 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-02 22:24:32,263 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2021-11-02 22:24:32,263 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-02 22:24:32,264 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:24:32,264 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:24:32,264 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-02 22:24:32,264 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-02 22:24:32,265 INFO L791 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 90#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~ret7.base, main_#t~ret7.offset, main_~n~0, main_~head~1.base, main_~head~1.offset;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6;init_cll_#in~n := main_~n~0;havoc init_cll_#res.base, init_cll_#res.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset, init_cll_#t~malloc4.base, init_cll_#t~malloc4.offset, init_cll_#t~post3, init_cll_~i~0, init_cll_~next_node~0.base, init_cll_~next_node~0.offset, init_cll_~n, init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~n := init_cll_#in~n;havoc init_cll_~head~0.base, init_cll_~head~0.offset;call init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0.base, init_cll_~curr~0.offset := init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;havoc init_cll_#t~malloc2.base, init_cll_#t~malloc2.offset;call write~int(0, init_cll_~curr~0.base, init_cll_~curr~0.offset, 4);init_cll_~head~0.base, init_cll_~head~0.offset := init_cll_~curr~0.base, init_cll_~curr~0.offset;init_cll_~i~0 := 1; 87#L552-3 assume !(init_cll_~i~0 < init_cll_~n); 88#L552-4 call write~$Pointer$(init_cll_~head~0.base, init_cll_~head~0.offset, init_cll_~curr~0.base, 4 + init_cll_~curr~0.offset, 8);init_cll_#res.base, init_cll_#res.offset := init_cll_~head~0.base, init_cll_~head~0.offset; 91#L559 main_#t~ret7.base, main_#t~ret7.offset := init_cll_#res.base, init_cll_#res.offset;main_~head~1.base, main_~head~1.offset := main_#t~ret7.base, main_#t~ret7.offset;havoc main_#t~ret7.base, main_#t~ret7.offset;traverse_#in~head.base, traverse_#in~head.offset := main_~head~1.base, main_~head~1.offset;havoc traverse_#t~mem5.base, traverse_#t~mem5.offset, traverse_~head.base, traverse_~head.offset, traverse_~curr~1.base, traverse_~curr~1.offset;traverse_~head.base, traverse_~head.offset := traverse_#in~head.base, traverse_#in~head.offset;traverse_~curr~1.base, traverse_~curr~1.offset := traverse_~head.base, traverse_~head.offset; 92#L564-2 [2021-11-02 22:24:32,265 INFO L793 eck$LassoCheckResult]: Loop: 92#L564-2 assume !!(traverse_~curr~1.base != 0 || traverse_~curr~1.offset != 0);call traverse_#t~mem5.base, traverse_#t~mem5.offset := read~$Pointer$(traverse_~curr~1.base, 4 + traverse_~curr~1.offset, 8);traverse_~curr~1.base, traverse_~curr~1.offset := traverse_#t~mem5.base, traverse_#t~mem5.offset;havoc traverse_#t~mem5.base, traverse_#t~mem5.offset; 92#L564-2 [2021-11-02 22:24:32,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:24:32,266 INFO L85 PathProgramCache]: Analyzing trace with hash 28696935, now seen corresponding path program 1 times [2021-11-02 22:24:32,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:24:32,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507594070] [2021-11-02 22:24:32,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:24:32,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:24:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:24:32,285 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:24:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:24:32,305 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:24:32,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:24:32,306 INFO L85 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times [2021-11-02 22:24:32,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:24:32,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909686288] [2021-11-02 22:24:32,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:24:32,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:24:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:24:32,313 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:24:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:24:32,318 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:24:32,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:24:32,319 INFO L85 PathProgramCache]: Analyzing trace with hash 889605012, now seen corresponding path program 1 times [2021-11-02 22:24:32,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:24:32,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790721443] [2021-11-02 22:24:32,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:24:32,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:24:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:24:32,341 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:24:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:24:32,379 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:24:33,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 10:24:33 BoogieIcfgContainer [2021-11-02 22:24:33,234 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-02 22:24:33,234 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:24:33,235 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:24:33,235 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:24:33,236 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:24:28" (3/4) ... [2021-11-02 22:24:33,239 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-02 22:24:33,278 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/witness.graphml [2021-11-02 22:24:33,278 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:24:33,279 INFO L168 Benchmark]: Toolchain (without parser) took 6172.15 ms. Allocated memory was 104.9 MB in the beginning and 136.3 MB in the end (delta: 31.5 MB). Free memory was 69.7 MB in the beginning and 58.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. [2021-11-02 22:24:33,280 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 104.9 MB. Free memory is still 60.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:24:33,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 516.22 ms. Allocated memory was 104.9 MB in the beginning and 136.3 MB in the end (delta: 31.5 MB). Free memory was 69.5 MB in the beginning and 104.7 MB in the end (delta: -35.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-02 22:24:33,281 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.02 ms. Allocated memory is still 136.3 MB. Free memory was 104.7 MB in the beginning and 103.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:24:33,282 INFO L168 Benchmark]: Boogie Preprocessor took 31.56 ms. Allocated memory is still 136.3 MB. Free memory was 103.0 MB in the beginning and 101.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:24:33,283 INFO L168 Benchmark]: RCFGBuilder took 369.61 ms. Allocated memory is still 136.3 MB. Free memory was 101.7 MB in the beginning and 91.3 MB in the end (delta: 10.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:24:33,283 INFO L168 Benchmark]: BuchiAutomizer took 5116.68 ms. Allocated memory is still 136.3 MB. Free memory was 90.9 MB in the beginning and 60.9 MB in the end (delta: 30.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. [2021-11-02 22:24:33,284 INFO L168 Benchmark]: Witness Printer took 43.62 ms. Allocated memory is still 136.3 MB. Free memory was 60.9 MB in the beginning and 58.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:24:33,287 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 104.9 MB. Free memory is still 60.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 516.22 ms. Allocated memory was 104.9 MB in the beginning and 136.3 MB in the end (delta: 31.5 MB). Free memory was 69.5 MB in the beginning and 104.7 MB in the end (delta: -35.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.02 ms. Allocated memory is still 136.3 MB. Free memory was 104.7 MB in the beginning and 103.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.56 ms. Allocated memory is still 136.3 MB. Free memory was 103.0 MB in the beginning and 101.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 369.61 ms. Allocated memory is still 136.3 MB. Free memory was 101.7 MB in the beginning and 91.3 MB in the end (delta: 10.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5116.68 ms. Allocated memory is still 136.3 MB. Free memory was 90.9 MB in the beginning and 60.9 MB in the end (delta: 30.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. * Witness Printer took 43.62 ms. Allocated memory is still 136.3 MB. Free memory was 60.9 MB in the beginning and 58.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * i + n and consists of 5 locations. The remainder module has 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 10 SDslu, 14 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital251 mio100 ax100 hnf100 lsp97 ukn38 mio100 lsp26 div100 bol100 ite100 ukn100 eq163 hnf95 smp100 dnf164 smp90 tf100 neg93 sie129 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 564]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {i=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@551f2652=0, \result=0, NULL=1, next_node=0, \result=-1, next_node=0, head=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@233755a4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@551f2652=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5cbd2f5b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@54b9ac3b=0, head=0, head=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@502e7d77=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@502e7d77=0, curr=0, \old(n)=0, n=0, head=-1, n=0, head=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7efca999=0, head=0, head=-1, curr=-1, NULL=0, curr=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7efca999=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5cbd2f5b=0, curr=-1, head=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 564]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L570] int n = __VERIFIER_nondet_int(); [L548] node_t* head; [L549] node_t* curr = malloc(sizeof(node_t)); [L550] curr->val = 0 [L551] head = curr [L552] int i = 1; [L552] COND FALSE !(i < n) [L558] curr->next = head [L559] return head; [L571] node_t* head = init_cll(n); [L563] node_t* curr = head; Loop: [L564] COND TRUE curr != ((void *)0) [L565] EXPR curr->next [L565] curr = curr->next End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-02 22:24:33,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545f0fd2-9fbb-422e-b266-2b053ecc1d1d/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)