./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/count_up_and_down_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/count_up_and_down_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be --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 00bfc508b8ea24f88f85b042e795fbae14e8287990a04ebdf542583ad129e19a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:19:58,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:19:58,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:19:58,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:19:58,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:19:58,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:19:58,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:19:58,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:19:58,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:19:58,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:19:58,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:19:58,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:19:58,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:19:58,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:19:58,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:19:58,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:19:58,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:19:58,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:19:58,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:19:58,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:19:58,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:19:58,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:19:58,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:19:58,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:19:58,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:19:58,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:19:58,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:19:58,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:19:58,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:19:58,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:19:58,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:19:58,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:19:58,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:19:58,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:19:58,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:19:58,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:19:58,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:19:58,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:19:58,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:19:58,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:19:58,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:19:58,826 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 20:19:58,876 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:19:58,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:19:58,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:19:58,877 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:19:58,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:19:58,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:19:58,879 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:19:58,879 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:19:58,880 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:19:58,880 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:19:58,881 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:19:58,881 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:19:58,881 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:19:58,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:19:58,882 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:19:58,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:19:58,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:19:58,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:19:58,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:19:58,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:19:58,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:19:58,883 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:19:58,884 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:19:58,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:19:58,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:19:58,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:19:58,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:19:58,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:19:58,887 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:19:58,888 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:19:58,888 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_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00bfc508b8ea24f88f85b042e795fbae14e8287990a04ebdf542583ad129e19a [2021-10-21 20:19:59,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:19:59,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:19:59,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:19:59,168 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:19:59,168 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:19:59,169 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-15/count_up_and_down_alloca.i [2021-10-21 20:19:59,242 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/data/f0df7e53f/83f02fd241e043ab89cd97db6d211c47/FLAGe6bab5c3f [2021-10-21 20:19:59,780 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:19:59,781 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/sv-benchmarks/c/termination-15/count_up_and_down_alloca.i [2021-10-21 20:19:59,790 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/data/f0df7e53f/83f02fd241e043ab89cd97db6d211c47/FLAGe6bab5c3f [2021-10-21 20:20:00,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/data/f0df7e53f/83f02fd241e043ab89cd97db6d211c47 [2021-10-21 20:20:00,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:20:00,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:20:00,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:20:00,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:20:00,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:20:00,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:20:00" (1/1) ... [2021-10-21 20:20:00,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b8f47d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:00, skipping insertion in model container [2021-10-21 20:20:00,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:20:00" (1/1) ... [2021-10-21 20:20:00,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:20:00,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:20:00,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:20:00,463 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:20:00,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:20:00,529 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:20:00,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:00 WrapperNode [2021-10-21 20:20:00,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:20:00,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:20:00,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:20:00,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:20:00,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:00" (1/1) ... [2021-10-21 20:20:00,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:00" (1/1) ... [2021-10-21 20:20:00,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:20:00,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:20:00,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:20:00,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:20:00,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:00" (1/1) ... [2021-10-21 20:20:00,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:00" (1/1) ... [2021-10-21 20:20:00,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:00" (1/1) ... [2021-10-21 20:20:00,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:00" (1/1) ... [2021-10-21 20:20:00,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:00" (1/1) ... [2021-10-21 20:20:00,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:00" (1/1) ... [2021-10-21 20:20:00,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:00" (1/1) ... [2021-10-21 20:20:00,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:20:00,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:20:00,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:20:00,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:20:00,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:00" (1/1) ... [2021-10-21 20:20:00,603 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:00,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:00,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:00,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:20:00,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 20:20:00,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 20:20:00,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:20:00,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:20:00,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:20:00,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:20:00,915 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:20:00,915 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 20:20:00,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:20:00 BoogieIcfgContainer [2021-10-21 20:20:00,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:20:00,918 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:20:00,918 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:20:00,921 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:20:00,922 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:20:00,922 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:20:00" (1/3) ... [2021-10-21 20:20:00,923 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e172862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:20:00, skipping insertion in model container [2021-10-21 20:20:00,923 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:20:00,923 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:20:00" (2/3) ... [2021-10-21 20:20:00,924 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e172862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:20:00, skipping insertion in model container [2021-10-21 20:20:00,924 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:20:00,924 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:20:00" (3/3) ... [2021-10-21 20:20:00,925 INFO L389 chiAutomizerObserver]: Analyzing ICFG count_up_and_down_alloca.i [2021-10-21 20:20:01,009 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:20:01,009 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:20:01,009 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:20:01,009 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:20:01,009 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:20:01,009 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:20:01,010 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:20:01,010 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:20:01,029 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 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) [2021-10-21 20:20:01,049 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-21 20:20:01,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:20:01,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:20:01,056 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-21 20:20:01,056 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:20:01,056 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:20:01,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 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) [2021-10-21 20:20:01,060 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-21 20:20:01,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:20:01,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:20:01,070 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-21 20:20:01,070 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:20:01,077 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~mem208, main_#t~post207, main_#t~mem211, main_#t~post212, main_#t~mem210, main_#t~post209, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 15#L367true assume !(main_~length~0 < 1); 12#L367-2true call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 8#L369true assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);call write~int(0, main_~arr~0.base, main_~arr~0.offset, 4);main_~i~0 := 1; 3#L371-3true [2021-10-21 20:20:01,078 INFO L793 eck$LassoCheckResult]: Loop: 3#L371-3true assume !!(main_~i~0 < main_~length~0);call main_#t~mem208 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * (main_~i~0 - 1), 4);call write~int(1 + main_#t~mem208, main_~arr~0.base, main_~arr~0.offset + 4 * main_~i~0, 4);havoc main_#t~mem208; 14#L371-2true main_#t~post207 := main_~i~0;main_~i~0 := 1 + main_#t~post207;havoc main_#t~post207; 3#L371-3true [2021-10-21 20:20:01,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:20:01,084 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2021-10-21 20:20:01,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:20:01,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874777784] [2021-10-21 20:20:01,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:20:01,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:20:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:01,231 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:20:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:01,287 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:20:01,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:20:01,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1667, now seen corresponding path program 1 times [2021-10-21 20:20:01,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:20:01,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194812160] [2021-10-21 20:20:01,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:20:01,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:20:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:01,320 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:20:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:01,343 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:20:01,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:20:01,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815563, now seen corresponding path program 1 times [2021-10-21 20:20:01,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:20:01,347 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588259497] [2021-10-21 20:20:01,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:20:01,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:20:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:01,381 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:20:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:01,418 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:20:01,898 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:20:01,898 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:20:01,899 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:20:01,899 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:20:01,899 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:20:01,899 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:01,899 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:20:01,900 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:20:01,900 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_up_and_down_alloca.i_Iteration1_Lasso [2021-10-21 20:20:01,900 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:20:01,900 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:20:01,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:01,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:01,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:01,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:01,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:02,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:02,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:02,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:02,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:02,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:02,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:02,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:02,386 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:20:02,390 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:20:02,393 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:02,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:02,402 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:02,415 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 [2021-10-21 20:20:02,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:02,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:20:02,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:02,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:02,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:02,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:20:02,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:20:02,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:20:02,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:02,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:02,488 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:02,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:02,490 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:02,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:20:02,495 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 [2021-10-21 20:20:02,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:02,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:20:02,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:02,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:02,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:02,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:20:02,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:20:02,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:02,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:02,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:02,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:02,549 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:02,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:20:02,556 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 [2021-10-21 20:20:02,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:02,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:20:02,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:02,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:02,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:02,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:20:02,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:20:02,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:02,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-21 20:20:02,609 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:02,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:02,610 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:02,640 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 [2021-10-21 20:20:02,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:02,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:20:02,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:02,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:02,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:02,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:20:02,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:20:02,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:20:02,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:02,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:02,701 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:02,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:02,702 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:02,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:20:02,704 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 [2021-10-21 20:20:02,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:02,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:02,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:02,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:02,730 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:20:02,730 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:20:02,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:02,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:02,772 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:02,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:02,773 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:02,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:20:02,778 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 [2021-10-21 20:20:02,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:02,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:02,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:02,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:02,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:20:02,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:20:02,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:02,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:02,843 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:02,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:02,850 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:02,858 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 [2021-10-21 20:20:02,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:02,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:02,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:02,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:02,877 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:20:02,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:20:02,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:20:02,898 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:20:02,959 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-21 20:20:02,959 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-10-21 20:20:02,961 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:02,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:02,963 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:02,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 20:20:02,989 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:20:03,014 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 20:20:03,014 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:20:03,015 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_#t~malloc206.base)_1) = -2*ULTIMATE.start_main_~i~0 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc206.base)_1 Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_#t~malloc206.base)_1 - 2*ULTIMATE.start_main_~length~0 >= 0] [2021-10-21 20:20:03,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:03,065 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-21 20:20:03,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:20:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:20:03,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:20:03,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:20:03,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-10-21 20:20:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:20:03,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:20:03,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:20:03,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:20:03,294 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-21 20:20:03,295 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 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 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:20:03,398 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 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 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 51 transitions. Complement of second has 10 states. [2021-10-21 20:20:03,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 20:20:03,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:20:03,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 34 transitions. [2021-10-21 20:20:03,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 34 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-21 20:20:03,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:20:03,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 34 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-21 20:20:03,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:20:03,405 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 34 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-21 20:20:03,405 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:20:03,406 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 51 transitions. [2021-10-21 20:20:03,411 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 20:20:03,415 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 13 states and 17 transitions. [2021-10-21 20:20:03,416 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-21 20:20:03,417 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-21 20:20:03,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2021-10-21 20:20:03,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:20:03,419 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-10-21 20:20:03,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2021-10-21 20:20:03,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-10-21 20:20:03,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:20:03,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2021-10-21 20:20:03,445 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-10-21 20:20:03,445 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-10-21 20:20:03,445 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:20:03,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2021-10-21 20:20:03,448 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 20:20:03,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:20:03,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:20:03,448 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:20:03,449 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 20:20:03,449 INFO L791 eck$LassoCheckResult]: Stem: 138#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 139#L-1 havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~mem208, main_#t~post207, main_#t~mem211, main_#t~post212, main_#t~mem210, main_#t~post209, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 144#L367 assume !(main_~length~0 < 1); 140#L367-2 call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 141#L369 assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);call write~int(0, main_~arr~0.base, main_~arr~0.offset, 4);main_~i~0 := 1; 134#L371-3 assume !(main_~i~0 < main_~length~0); 135#L371-4 main_~j~0 := 0; 133#L374-3 [2021-10-21 20:20:03,449 INFO L793 eck$LassoCheckResult]: Loop: 133#L374-3 assume !!(main_~j~0 < main_~length~0); 142#L375-3 call main_#t~mem210 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~j~0, 4); 143#L375-1 assume !(main_#t~mem210 > 0);havoc main_#t~mem210; 132#L374-2 main_#t~post209 := main_~j~0;main_~j~0 := 1 + main_#t~post209;havoc main_#t~post209; 133#L374-3 [2021-10-21 20:20:03,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:20:03,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815505, now seen corresponding path program 1 times [2021-10-21 20:20:03,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:20:03,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101704582] [2021-10-21 20:20:03,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:20:03,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:20:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:03,474 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:20:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:03,487 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:20:03,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:20:03,488 INFO L82 PathProgramCache]: Analyzing trace with hash 2036812, now seen corresponding path program 1 times [2021-10-21 20:20:03,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:20:03,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159362608] [2021-10-21 20:20:03,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:20:03,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:20:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:03,494 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:20:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:03,499 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:20:03,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:20:03,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1386095268, now seen corresponding path program 1 times [2021-10-21 20:20:03,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:20:03,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351199918] [2021-10-21 20:20:03,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:20:03,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:20:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:03,512 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:20:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:03,528 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:20:03,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:03,814 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:20:03,814 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:20:03,815 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:20:03,815 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:20:03,815 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:20:03,815 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:03,815 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:20:03,816 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:20:03,816 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_up_and_down_alloca.i_Iteration2_Lasso [2021-10-21 20:20:03,816 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:20:03,816 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:20:03,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:03,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:03,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:03,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:03,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:03,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:03,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:03,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:03,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:03,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:03,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:04,155 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:20:04,155 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:20:04,156 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:04,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:04,159 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:04,167 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 [2021-10-21 20:20:04,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:04,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:20:04,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:04,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:04,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:04,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:20:04,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:20:04,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 20:20:04,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:04,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:04,234 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:04,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:04,235 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:04,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 20:20:04,241 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 [2021-10-21 20:20:04,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:04,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:20:04,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:04,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:04,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:04,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:20:04,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:20:04,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:04,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:04,306 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:04,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:04,307 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:04,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 20:20:04,311 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 [2021-10-21 20:20:04,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:04,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:20:04,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:04,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:04,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:04,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:20:04,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:20:04,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:04,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-10-21 20:20:04,350 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:04,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:04,351 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:04,352 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 [2021-10-21 20:20:04,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 20:20:04,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:04,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:04,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:04,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:04,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:20:04,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:20:04,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:04,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:04,421 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:04,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:04,422 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:04,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 20:20:04,423 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 [2021-10-21 20:20:04,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:04,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:20:04,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:04,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:04,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:04,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:20:04,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:20:04,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:04,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:04,467 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:04,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:04,468 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:04,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 20:20:04,472 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 [2021-10-21 20:20:04,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:04,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:20:04,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:04,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:04,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:04,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:20:04,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:20:04,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:04,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:04,515 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:04,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:04,516 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:04,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 20:20:04,519 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 [2021-10-21 20:20:04,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:04,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:20:04,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:04,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:04,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:04,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:20:04,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:20:04,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:04,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:04,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:04,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:04,592 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:04,597 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 [2021-10-21 20:20:04,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:04,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:20:04,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:04,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:04,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:04,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:20:04,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:20:04,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 20:20:04,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:04,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:04,646 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:04,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:04,647 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:04,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 20:20:04,648 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 [2021-10-21 20:20:04,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:04,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:20:04,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:04,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:04,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:04,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:20:04,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:20:04,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:04,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-10-21 20:20:04,685 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:04,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:04,686 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:04,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 20:20:04,690 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 [2021-10-21 20:20:04,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:04,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:04,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:04,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:04,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:20:04,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:20:04,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:04,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-10-21 20:20:04,741 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:04,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:04,741 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:04,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 20:20:04,744 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 [2021-10-21 20:20:04,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:04,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:04,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:04,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:04,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:20:04,762 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:20:04,786 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:20:04,829 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-21 20:20:04,829 INFO L444 ModelExtractionUtils]: 2 out of 25 variables were initially zero. Simplification set additionally 20 variables to zero. [2021-10-21 20:20:04,829 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:04,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:04,834 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:04,837 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:20:04,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 20:20:04,862 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:20:04,863 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:20:04,863 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~length~0) = -1*ULTIMATE.start_main_~j~0 + 1*ULTIMATE.start_main_~length~0 Supporting invariants [] [2021-10-21 20:20:04,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:04,905 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-10-21 20:20:04,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:20:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:20:04,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:20:04,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:20:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:20:04,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:20:04,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:20:04,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:20:05,000 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 [2021-10-21 20:20:05,000 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:20:05,016 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 24 transitions. Complement of second has 4 states. [2021-10-21 20:20:05,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:20:05,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:20:05,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2021-10-21 20:20:05,017 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 7 letters. Loop has 4 letters. [2021-10-21 20:20:05,017 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:20:05,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 4 letters. [2021-10-21 20:20:05,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:20:05,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 7 letters. Loop has 8 letters. [2021-10-21 20:20:05,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:20:05,018 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 24 transitions. [2021-10-21 20:20:05,019 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:20:05,020 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 17 states and 23 transitions. [2021-10-21 20:20:05,020 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-21 20:20:05,020 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-21 20:20:05,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2021-10-21 20:20:05,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:20:05,020 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-10-21 20:20:05,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2021-10-21 20:20:05,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2021-10-21 20:20:05,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 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) [2021-10-21 20:20:05,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2021-10-21 20:20:05,023 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-10-21 20:20:05,023 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-10-21 20:20:05,023 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 20:20:05,023 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2021-10-21 20:20:05,023 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:20:05,024 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:20:05,024 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:20:05,024 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:20:05,024 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:20:05,024 INFO L791 eck$LassoCheckResult]: Stem: 238#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 239#L-1 havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~mem208, main_#t~post207, main_#t~mem211, main_#t~post212, main_#t~mem210, main_#t~post209, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 242#L367 assume !(main_~length~0 < 1); 240#L367-2 call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 241#L369 assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);call write~int(0, main_~arr~0.base, main_~arr~0.offset, 4);main_~i~0 := 1; 230#L371-3 assume !(main_~i~0 < main_~length~0); 231#L371-4 main_~j~0 := 0; 243#L374-3 assume !!(main_~j~0 < main_~length~0); 234#L375-3 [2021-10-21 20:20:05,024 INFO L793 eck$LassoCheckResult]: Loop: 234#L375-3 call main_#t~mem210 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~j~0, 4); 235#L375-1 assume !!(main_#t~mem210 > 0);havoc main_#t~mem210;call main_#t~mem211 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~j~0, 4);main_#t~post212 := main_#t~mem211;call write~int(main_#t~post212 - 1, main_~arr~0.base, main_~arr~0.offset + 4 * main_~j~0, 4);havoc main_#t~mem211;havoc main_#t~post212; 234#L375-3 [2021-10-21 20:20:05,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:20:05,025 INFO L82 PathProgramCache]: Analyzing trace with hash 176705843, now seen corresponding path program 1 times [2021-10-21 20:20:05,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:20:05,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605768190] [2021-10-21 20:20:05,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:20:05,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:20:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:05,036 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:20:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:05,059 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:20:05,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:20:05,059 INFO L82 PathProgramCache]: Analyzing trace with hash 2278, now seen corresponding path program 1 times [2021-10-21 20:20:05,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:20:05,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439640137] [2021-10-21 20:20:05,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:20:05,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:20:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:05,064 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:20:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:05,070 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:20:05,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:20:05,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1984375400, now seen corresponding path program 1 times [2021-10-21 20:20:05,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:20:05,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478337271] [2021-10-21 20:20:05,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:20:05,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:20:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:20:05,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-10-21 20:20:05,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:20:05,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:20:05,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478337271] [2021-10-21 20:20:05,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478337271] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:20:05,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:20:05,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:20:05,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534963703] [2021-10-21 20:20:05,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:20:05,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:20:05,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:20:05,272 INFO L87 Difference]: Start difference. First operand 16 states and 22 transitions. cyclomatic complexity: 9 Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 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) [2021-10-21 20:20:05,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:20:05,342 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2021-10-21 20:20:05,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:20:05,343 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2021-10-21 20:20:05,353 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:20:05,354 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 25 states and 32 transitions. [2021-10-21 20:20:05,354 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-21 20:20:05,354 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-10-21 20:20:05,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 32 transitions. [2021-10-21 20:20:05,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:20:05,354 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-10-21 20:20:05,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 32 transitions. [2021-10-21 20:20:05,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 18. [2021-10-21 20:20:05,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 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) [2021-10-21 20:20:05,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2021-10-21 20:20:05,357 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-10-21 20:20:05,357 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-10-21 20:20:05,357 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 20:20:05,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2021-10-21 20:20:05,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:20:05,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:20:05,358 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:20:05,358 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:20:05,358 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:20:05,358 INFO L791 eck$LassoCheckResult]: Stem: 296#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 297#L-1 havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~mem208, main_#t~post207, main_#t~mem211, main_#t~post212, main_#t~mem210, main_#t~post209, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 298#L367 assume !(main_~length~0 < 1); 290#L367-2 call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 291#L369 assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);call write~int(0, main_~arr~0.base, main_~arr~0.offset, 4);main_~i~0 := 1; 284#L371-3 assume !(main_~i~0 < main_~length~0); 285#L371-4 main_~j~0 := 0; 299#L374-3 assume !!(main_~j~0 < main_~length~0); 294#L375-3 call main_#t~mem210 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~j~0, 4); 295#L375-1 assume !(main_#t~mem210 > 0);havoc main_#t~mem210; 288#L374-2 main_#t~post209 := main_~j~0;main_~j~0 := 1 + main_#t~post209;havoc main_#t~post209; 289#L374-3 assume !!(main_~j~0 < main_~length~0); 292#L375-3 [2021-10-21 20:20:05,358 INFO L793 eck$LassoCheckResult]: Loop: 292#L375-3 call main_#t~mem210 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~j~0, 4); 293#L375-1 assume !!(main_#t~mem210 > 0);havoc main_#t~mem210;call main_#t~mem211 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~j~0, 4);main_#t~post212 := main_#t~mem211;call write~int(main_#t~post212 - 1, main_~arr~0.base, main_~arr~0.offset + 4 * main_~j~0, 4);havoc main_#t~mem211;havoc main_#t~post212; 292#L375-3 [2021-10-21 20:20:05,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:20:05,359 INFO L82 PathProgramCache]: Analyzing trace with hash -19280312, now seen corresponding path program 2 times [2021-10-21 20:20:05,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:20:05,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235861736] [2021-10-21 20:20:05,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:20:05,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:20:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:20:05,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:20:05,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:20:05,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235861736] [2021-10-21 20:20:05,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235861736] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:20:05,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210760082] [2021-10-21 20:20:05,428 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 20:20:05,428 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:20:05,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:05,431 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:20:05,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-10-21 20:20:05,488 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 20:20:05,488 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 20:20:05,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:20:05,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:20:05,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:20:05,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210760082] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:20:05,578 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:20:05,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2021-10-21 20:20:05,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222694781] [2021-10-21 20:20:05,578 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:20:05,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:20:05,579 INFO L82 PathProgramCache]: Analyzing trace with hash 2278, now seen corresponding path program 2 times [2021-10-21 20:20:05,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:20:05,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229183732] [2021-10-21 20:20:05,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:20:05,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:20:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:05,591 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:20:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:05,605 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:20:05,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:20:05,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:20:05,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:20:05,645 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 8 Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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) [2021-10-21 20:20:05,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:20:05,719 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2021-10-21 20:20:05,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:20:05,719 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 41 transitions. [2021-10-21 20:20:05,722 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:20:05,722 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 19 states and 22 transitions. [2021-10-21 20:20:05,722 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-21 20:20:05,723 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-21 20:20:05,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 22 transitions. [2021-10-21 20:20:05,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:20:05,723 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2021-10-21 20:20:05,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 22 transitions. [2021-10-21 20:20:05,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2021-10-21 20:20:05,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 17 states have internal predecessors, (21), 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) [2021-10-21 20:20:05,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2021-10-21 20:20:05,730 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-21 20:20:05,730 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-21 20:20:05,730 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-21 20:20:05,730 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2021-10-21 20:20:05,732 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:20:05,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:20:05,732 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:20:05,733 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:20:05,733 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:20:05,733 INFO L791 eck$LassoCheckResult]: Stem: 399#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 400#L-1 havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~mem208, main_#t~post207, main_#t~mem211, main_#t~post212, main_#t~mem210, main_#t~post209, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 403#L367 assume !(main_~length~0 < 1); 401#L367-2 call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 402#L369 assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);call write~int(0, main_~arr~0.base, main_~arr~0.offset, 4);main_~i~0 := 1; 389#L371-3 assume !!(main_~i~0 < main_~length~0);call main_#t~mem208 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * (main_~i~0 - 1), 4);call write~int(1 + main_#t~mem208, main_~arr~0.base, main_~arr~0.offset + 4 * main_~i~0, 4);havoc main_#t~mem208; 390#L371-2 main_#t~post207 := main_~i~0;main_~i~0 := 1 + main_#t~post207;havoc main_#t~post207; 391#L371-3 assume !(main_~i~0 < main_~length~0); 392#L371-4 main_~j~0 := 0; 404#L374-3 assume !!(main_~j~0 < main_~length~0); 397#L375-3 call main_#t~mem210 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~j~0, 4); 398#L375-1 assume !(main_#t~mem210 > 0);havoc main_#t~mem210; 393#L374-2 main_#t~post209 := main_~j~0;main_~j~0 := 1 + main_#t~post209;havoc main_#t~post209; 394#L374-3 assume !!(main_~j~0 < main_~length~0); 395#L375-3 [2021-10-21 20:20:05,733 INFO L793 eck$LassoCheckResult]: Loop: 395#L375-3 call main_#t~mem210 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~j~0, 4); 396#L375-1 assume !!(main_#t~mem210 > 0);havoc main_#t~mem210;call main_#t~mem211 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~j~0, 4);main_#t~post212 := main_#t~mem211;call write~int(main_#t~post212 - 1, main_~arr~0.base, main_~arr~0.offset + 4 * main_~j~0, 4);havoc main_#t~mem211;havoc main_#t~post212; 395#L375-3 [2021-10-21 20:20:05,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:20:05,734 INFO L82 PathProgramCache]: Analyzing trace with hash -744742010, now seen corresponding path program 1 times [2021-10-21 20:20:05,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:20:05,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109614593] [2021-10-21 20:20:05,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:20:05,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:20:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:05,774 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:20:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:05,802 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:20:05,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:20:05,802 INFO L82 PathProgramCache]: Analyzing trace with hash 2278, now seen corresponding path program 3 times [2021-10-21 20:20:05,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:20:05,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441418920] [2021-10-21 20:20:05,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:20:05,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:20:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:05,807 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:20:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:05,811 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:20:05,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:20:05,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1562468139, now seen corresponding path program 1 times [2021-10-21 20:20:05,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:20:05,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548165624] [2021-10-21 20:20:05,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:20:05,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:20:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:05,835 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:20:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:20:05,866 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:20:06,192 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:20:06,193 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:20:06,193 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:20:06,193 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:20:06,193 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:20:06,193 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:06,193 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:20:06,193 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:20:06,193 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_up_and_down_alloca.i_Iteration5_Lasso [2021-10-21 20:20:06,193 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:20:06,193 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:20:06,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:06,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:06,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:06,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:06,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:06,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:06,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:06,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:06,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:06,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:06,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:20:06,506 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:20:06,506 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:20:06,506 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:06,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:06,507 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:06,509 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 [2021-10-21 20:20:06,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:06,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:20:06,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:06,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:06,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:06,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:20:06,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:20:06,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 20:20:06,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:06,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:06,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:06,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:06,571 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:06,573 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 [2021-10-21 20:20:06,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:06,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:20:06,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:06,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:06,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:06,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:20:06,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:20:06,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 20:20:06,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:06,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:06,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:06,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:06,605 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:06,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 20:20:06,606 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 [2021-10-21 20:20:06,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:06,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:06,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:06,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:06,615 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:20:06,615 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:20:06,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:06,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-21 20:20:06,649 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:06,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:06,650 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:06,652 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 [2021-10-21 20:20:06,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 20:20:06,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:06,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:20:06,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:06,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:06,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:06,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:20:06,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:20:06,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:06,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-21 20:20:06,686 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:06,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:06,687 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:06,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-21 20:20:06,689 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 [2021-10-21 20:20:06,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:06,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:20:06,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:06,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:06,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:06,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:20:06,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:20:06,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:06,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:06,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:06,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:06,722 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:06,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-21 20:20:06,724 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 [2021-10-21 20:20:06,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:06,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:20:06,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:06,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:06,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:06,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:20:06,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:20:06,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:06,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:06,761 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:06,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:06,762 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:06,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-21 20:20:06,770 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 [2021-10-21 20:20:06,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:06,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:06,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:06,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:06,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:20:06,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:20:06,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:06,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:06,821 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:06,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:06,822 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:06,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-21 20:20:06,823 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 [2021-10-21 20:20:06,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:06,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:06,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:06,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:06,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:20:06,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:20:06,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:06,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:06,879 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:06,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:06,880 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:06,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-21 20:20:06,886 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 [2021-10-21 20:20:06,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:06,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:06,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:06,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:06,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:20:06,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:20:06,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:06,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:06,955 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:06,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:06,956 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:06,963 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 [2021-10-21 20:20:06,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:06,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:06,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:06,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:06,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:20:06,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:20:06,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-21 20:20:06,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:07,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:07,020 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:07,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:07,021 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:07,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-21 20:20:07,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:20:07,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:07,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:07,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:07,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:07,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:20:07,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:20:07,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:20:07,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:07,084 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:07,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:07,087 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:07,089 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 [2021-10-21 20:20:07,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:20:07,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:20:07,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:20:07,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:20:07,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:20:07,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:20:07,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:20:07,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-21 20:20:07,105 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:20:07,120 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:20:07,120 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-21 20:20:07,120 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:20:07,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:20:07,122 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:20:07,123 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:20:07,123 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:20:07,123 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:20:07,123 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0.base) (+ ULTIMATE.start_main_~arr~0.offset (* ULTIMATE.start_main_~j~0 4)))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0.base) (+ ULTIMATE.start_main_~arr~0.offset (* ULTIMATE.start_main_~j~0 4)))_1 Supporting invariants [] [2021-10-21 20:20:07,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-21 20:20:07,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-21 20:20:07,162 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2021-10-21 20:20:07,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:20:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:20:07,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:20:07,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:20:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:20:07,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:20:07,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:20:07,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:20:07,261 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 [2021-10-21 20:20:07,261 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-10-21 20:20:07,274 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 21 states and 24 transitions. Complement of second has 7 states. [2021-10-21 20:20:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 20:20:07,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-10-21 20:20:07,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-10-21 20:20:07,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 2 letters. [2021-10-21 20:20:07,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:20:07,276 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:20:07,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:20:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:20:07,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:20:07,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:20:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:20:07,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:20:07,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:20:07,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:20:07,362 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 20:20:07,363 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-10-21 20:20:07,375 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 21 states and 24 transitions. Complement of second has 7 states. [2021-10-21 20:20:07,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 20:20:07,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-10-21 20:20:07,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-10-21 20:20:07,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 2 letters. [2021-10-21 20:20:07,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:20:07,376 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:20:07,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:20:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:20:07,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:20:07,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:20:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:20:07,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:20:07,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:20:07,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:20:07,470 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 20:20:07,470 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-10-21 20:20:07,488 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 23 states and 28 transitions. Complement of second has 6 states. [2021-10-21 20:20:07,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 20:20:07,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-10-21 20:20:07,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-10-21 20:20:07,490 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 14 letters. Loop has 2 letters. [2021-10-21 20:20:07,491 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:20:07,491 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 16 letters. Loop has 2 letters. [2021-10-21 20:20:07,492 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:20:07,492 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 14 letters. Loop has 4 letters. [2021-10-21 20:20:07,492 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:20:07,492 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2021-10-21 20:20:07,495 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:20:07,495 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2021-10-21 20:20:07,495 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:20:07,495 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:20:07,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:20:07,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:20:07,496 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:20:07,496 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:20:07,496 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:20:07,496 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-21 20:20:07,496 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:20:07,496 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:20:07,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 20:20:07,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:20:07 BoogieIcfgContainer [2021-10-21 20:20:07,502 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:20:07,502 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:20:07,502 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:20:07,504 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:20:07,504 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:20:00" (3/4) ... [2021-10-21 20:20:07,507 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:20:07,507 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:20:07,509 INFO L168 Benchmark]: Toolchain (without parser) took 7424.08 ms. Allocated memory was 98.6 MB in the beginning and 146.8 MB in the end (delta: 48.2 MB). Free memory was 64.3 MB in the beginning and 46.2 MB in the end (delta: 18.1 MB). Peak memory consumption was 67.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:20:07,509 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 98.6 MB. Free memory is still 52.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:20:07,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.01 ms. Allocated memory is still 98.6 MB. Free memory was 64.1 MB in the beginning and 66.1 MB in the end (delta: -2.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:20:07,511 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.85 ms. Allocated memory is still 98.6 MB. Free memory was 66.1 MB in the beginning and 64.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:20:07,511 INFO L168 Benchmark]: Boogie Preprocessor took 22.33 ms. Allocated memory is still 98.6 MB. Free memory was 64.1 MB in the beginning and 63.1 MB in the end (delta: 999.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:20:07,511 INFO L168 Benchmark]: RCFGBuilder took 322.27 ms. Allocated memory is still 98.6 MB. Free memory was 63.1 MB in the beginning and 53.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:20:07,512 INFO L168 Benchmark]: BuchiAutomizer took 6584.27 ms. Allocated memory was 98.6 MB in the beginning and 146.8 MB in the end (delta: 48.2 MB). Free memory was 53.4 MB in the beginning and 46.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 57.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:20:07,512 INFO L168 Benchmark]: Witness Printer took 4.71 ms. Allocated memory is still 146.8 MB. Free memory is still 46.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:20:07,514 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 98.6 MB. Free memory is still 52.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 431.01 ms. Allocated memory is still 98.6 MB. Free memory was 64.1 MB in the beginning and 66.1 MB in the end (delta: -2.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.85 ms. Allocated memory is still 98.6 MB. Free memory was 66.1 MB in the beginning and 64.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.33 ms. Allocated memory is still 98.6 MB. Free memory was 64.1 MB in the beginning and 63.1 MB in the end (delta: 999.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 322.27 ms. Allocated memory is still 98.6 MB. Free memory was 63.1 MB in the beginning and 53.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6584.27 ms. Allocated memory was 98.6 MB in the beginning and 146.8 MB in the end (delta: 48.2 MB). Free memory was 53.4 MB in the beginning and 46.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 57.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.71 ms. Allocated memory is still 146.8 MB. Free memory is still 46.2 MB. There was no memory consumed. 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -2 * i + unknown-#length-unknown[__builtin_alloca(length*sizeof(int))] and consists of 7 locations. One deterministic module has affine ranking function -1 * j + length and consists of 3 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[arr][arr + j * 4] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.5s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 5.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 23.5ms AutomataMinimizationTime, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 18 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 70 SDtfs, 107 SDslu, 44 SDs, 0 SdLazy, 133 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 124.7ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital134 mio100 ax100 hnf99 lsp95 ukn77 mio100 lsp59 div100 bol100 ite100 ukn100 eq163 hnf90 smp95 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 20:20:07,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-21 20:20:07,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2021-10-21 20:20:07,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2e0526d-25c3-434a-9957-1ca3b963cccb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...