./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrncat_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrncat_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt --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 57af49b15bb2f44ef5afe346e632fe87804775c2 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:22:55,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:22:55,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:22:55,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:22:55,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:22:55,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:22:55,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:22:55,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:22:55,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:22:55,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:22:55,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:22:55,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:22:55,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:22:55,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:22:55,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:22:55,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:22:55,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:22:55,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:22:55,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:22:55,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:22:55,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:22:55,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:22:55,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:22:55,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:22:55,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:22:55,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:22:55,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:22:55,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:22:55,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:22:55,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:22:55,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:22:55,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:22:55,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:22:55,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:22:55,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:22:55,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:22:55,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:22:55,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:22:55,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:22:55,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:22:55,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:22:55,710 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:22:55,758 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:22:55,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:22:55,759 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:22:55,760 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:22:55,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:22:55,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:22:55,762 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:22:55,762 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:22:55,763 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:22:55,763 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:22:55,763 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:22:55,764 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:22:55,764 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:22:55,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:22:55,765 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:22:55,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:22:55,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:22:55,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:22:55,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:22:55,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:22:55,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:22:55,767 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:22:55,768 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:22:55,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:22:55,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:22:55,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:22:55,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:22:55,770 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:22:55,770 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:22:55,771 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:22:55,772 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_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57af49b15bb2f44ef5afe346e632fe87804775c2 [2021-10-13 00:22:56,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:22:56,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:22:56,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:22:56,133 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:22:56,134 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:22:56,135 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-15/cstrncat_malloc.i [2021-10-13 00:22:56,204 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/data/a097f3229/9e66222e2e5c4e3da849c13ed7653e27/FLAGe4dfb7876 [2021-10-13 00:22:56,821 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:22:56,822 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/sv-benchmarks/c/termination-15/cstrncat_malloc.i [2021-10-13 00:22:56,833 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/data/a097f3229/9e66222e2e5c4e3da849c13ed7653e27/FLAGe4dfb7876 [2021-10-13 00:22:57,109 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/data/a097f3229/9e66222e2e5c4e3da849c13ed7653e27 [2021-10-13 00:22:57,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:22:57,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:22:57,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:22:57,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:22:57,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:22:57,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:22:57" (1/1) ... [2021-10-13 00:22:57,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d3da668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:57, skipping insertion in model container [2021-10-13 00:22:57,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:22:57" (1/1) ... [2021-10-13 00:22:57,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:22:57,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:22:57,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:22:57,641 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:22:57,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:22:57,780 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:22:57,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:57 WrapperNode [2021-10-13 00:22:57,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:22:57,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:22:57,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:22:57,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:22:57,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:57" (1/1) ... [2021-10-13 00:22:57,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:57" (1/1) ... [2021-10-13 00:22:57,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:22:57,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:22:57,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:22:57,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:22:57,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:57" (1/1) ... [2021-10-13 00:22:57,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:57" (1/1) ... [2021-10-13 00:22:57,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:57" (1/1) ... [2021-10-13 00:22:57,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:57" (1/1) ... [2021-10-13 00:22:57,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:57" (1/1) ... [2021-10-13 00:22:57,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:57" (1/1) ... [2021-10-13 00:22:57,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:57" (1/1) ... [2021-10-13 00:22:57,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:22:57,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:22:57,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:22:57,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:22:57,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:57" (1/1) ... [2021-10-13 00:22:57,937 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:22:57,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:22:57,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:22:57,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:22:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:22:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:22:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 00:22:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:22:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:22:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:22:58,298 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:22:58,298 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-13 00:22:58,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:22:58 BoogieIcfgContainer [2021-10-13 00:22:58,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:22:58,302 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:22:58,302 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:22:58,306 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:22:58,307 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:22:58,308 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:22:57" (1/3) ... [2021-10-13 00:22:58,309 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3176e9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:22:58, skipping insertion in model container [2021-10-13 00:22:58,310 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:22:58,310 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:57" (2/3) ... [2021-10-13 00:22:58,311 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3176e9bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:22:58, skipping insertion in model container [2021-10-13 00:22:58,311 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:22:58,311 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:22:58" (3/3) ... [2021-10-13 00:22:58,312 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrncat_malloc.i [2021-10-13 00:22:58,376 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:22:58,377 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:22:58,377 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:22:58,377 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:22:58,377 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:22:58,377 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:22:58,378 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:22:58,378 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:22:58,394 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:22:58,429 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-13 00:22:58,429 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:22:58,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:22:58,436 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:22:58,436 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:22:58,437 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:22:58,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:22:58,441 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-13 00:22:58,442 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:22:58,442 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:22:58,459 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:22:58,459 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:22:58,480 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~nondet215, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~malloc217.base, main_#t~malloc217.offset, main_#t~ret218.base, main_#t~ret218.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214;main_~n~0 := main_#t~nondet215;havoc main_#t~nondet215; 18#L381true assume !(main_~length1~0 < 1); 14#L381-2true assume !(main_~length2~0 < 1); 12#L384-1true assume !(main_~n~0 < 1); 17#L387-1true assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnHeap(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;havoc main_#t~malloc216.base, main_#t~malloc216.offset;call main_#t~malloc217.base, main_#t~malloc217.offset := #Ultimate.allocOnHeap(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc217.base, main_#t~malloc217.offset;havoc main_#t~malloc217.base, main_#t~malloc217.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post206.base, cstrncat_#t~post206.offset, cstrncat_#t~mem205, cstrncat_#t~post210, cstrncat_#t~post211.base, cstrncat_#t~post211.offset, cstrncat_#t~post207.base, cstrncat_#t~post207.offset, cstrncat_#t~mem208, cstrncat_#t~short209, cstrncat_#t~mem212, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; 3#L367-3true [2021-10-13 00:22:58,481 INFO L793 eck$LassoCheckResult]: Loop: 3#L367-3true call cstrncat_#t~mem205 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 16#L367-1true assume !!(0 != cstrncat_#t~mem205);havoc cstrncat_#t~mem205;cstrncat_#t~post206.base, cstrncat_#t~post206.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post206.base, 1 + cstrncat_#t~post206.offset;havoc cstrncat_#t~post206.base, cstrncat_#t~post206.offset; 3#L367-3true [2021-10-13 00:22:58,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:58,500 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2021-10-13 00:22:58,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:58,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223528348] [2021-10-13 00:22:58,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:58,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:22:58,645 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:22:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:22:58,756 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:22:58,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:58,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2021-10-13 00:22:58,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:58,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824061966] [2021-10-13 00:22:58,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:58,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:22:58,771 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:22:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:22:58,801 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:22:58,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:58,803 INFO L82 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2021-10-13 00:22:58,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:58,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081978344] [2021-10-13 00:22:58,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:58,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:22:58,838 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:22:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:22:58,907 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:22:59,849 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:22:59,850 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:22:59,850 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:22:59,850 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:22:59,851 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:22:59,851 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:22:59,851 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:22:59,851 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:22:59,851 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncat_malloc.i_Iteration1_Lasso [2021-10-13 00:22:59,852 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:22:59,852 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:22:59,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:22:59,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:22:59,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:22:59,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:22:59,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:22:59,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:22:59,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:22:59,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:22:59,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:22:59,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:23:00,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:23:00,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:23:00,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:23:00,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:23:00,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:23:00,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:23:00,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:23:00,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:23:00,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:23:00,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:23:00,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:23:00,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:23:00,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:23:00,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:23:00,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:23:00,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:23:01,057 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:23:01,062 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:23:01,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:23:01,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:23:01,068 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:23:01,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:23:01,080 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 [2021-10-13 00:23:01,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:23:01,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:23:01,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:23:01,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:23:01,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:23:01,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:23:01,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:23:01,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:23:01,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:23:01,147 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:23:01,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:23:01,149 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:23:01,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:23:01,151 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 [2021-10-13 00:23:01,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:23:01,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:23:01,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:23:01,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:23:01,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:23:01,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:23:01,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:23:01,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:23:01,239 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:23:01,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:23:01,241 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:23:01,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:23:01,248 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 [2021-10-13 00:23:01,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:23:01,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:23:01,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:23:01,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:23:01,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:23:01,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:23:01,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:23:01,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:23:01,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:23:01,314 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:23:01,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:23:01,320 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:23:01,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:23:01,325 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 [2021-10-13 00:23:01,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:23:01,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:23:01,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:23:01,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:23:01,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:23:01,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:23:01,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:23:01,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:23:01,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:23:01,399 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:23:01,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:23:01,401 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:23:01,413 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 [2021-10-13 00:23:01,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:23:01,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:23:01,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:23:01,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:23:01,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:23:01,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:23:01,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:23:01,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:23:01,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:23:01,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:23:01,465 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:23:01,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:23:01,466 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:23:01,478 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 [2021-10-13 00:23:01,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:23:01,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:23:01,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:23:01,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:23:01,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:23:01,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:23:01,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:23:01,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:23:01,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:23:01,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:23:01,549 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:23:01,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:23:01,551 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:23:01,560 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 [2021-10-13 00:23:01,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:23:01,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:23:01,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:23:01,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:23:01,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:23:01,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:23:01,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:23:01,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:23:01,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:23:01,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:23:01,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:23:01,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:23:01,632 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:23:01,640 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 [2021-10-13 00:23:01,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:23:01,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:23:01,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:23:01,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:23:01,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:23:01,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:23:01,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:23:01,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:23:01,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:23:01,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:23:01,678 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:23:01,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:23:01,679 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:23:01,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:23:01,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:23:01,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:23:01,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:23:01,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:23:01,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:23:01,706 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:23:01,706 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:23:01,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:23:01,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-10-13 00:23:01,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:23:01,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:23:01,748 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:23:01,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:23:01,751 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 [2021-10-13 00:23:01,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:23:01,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:23:01,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:23:01,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:23:01,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:23:01,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:23:01,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:23:01,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:23:01,823 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:23:01,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:23:01,824 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:23:01,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:23:01,829 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 [2021-10-13 00:23:01,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:23:01,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:23:01,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:23:01,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:23:01,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:23:01,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:23:01,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:23:01,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:23:01,881 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:23:01,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:23:01,882 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:23:01,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:23:01,883 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 [2021-10-13 00:23:01,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:23:01,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:23:01,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:23:01,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:23:01,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:23:01,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:23:01,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:23:01,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:23:01,961 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:23:01,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:23:01,962 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:23:01,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:23:01,965 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 [2021-10-13 00:23:01,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:23:01,977 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-10-13 00:23:01,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:23:01,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:23:02,005 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-13 00:23:02,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:23:02,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:23:02,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 00:23:02,060 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:23:02,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:23:02,061 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:23:02,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:23:02,064 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 [2021-10-13 00:23:02,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:23:02,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:23:02,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:23:02,073 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:23:02,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:23:02,074 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:23:02,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:23:02,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:23:02,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:23:02,119 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:23:02,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:23:02,120 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:23:02,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:23:02,121 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 [2021-10-13 00:23:02,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:23:02,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:23:02,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:23:02,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:23:02,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:23:02,133 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:23:02,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:23:02,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 00:23:02,198 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:23:02,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:23:02,200 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:23:02,211 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 [2021-10-13 00:23:02,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:23:02,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:23:02,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:23:02,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:23:02,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:23:02,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:23:02,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:23:02,263 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:23:02,342 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-10-13 00:23:02,342 INFO L444 ModelExtractionUtils]: 13 out of 49 variables were initially zero. Simplification set additionally 33 variables to zero. [2021-10-13 00:23:02,344 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:23:02,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:23:02,364 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:23:02,411 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:23:02,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 00:23:02,433 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:23:02,433 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:23:02,434 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrncat_~s~0.base)_1, ULTIMATE.start_cstrncat_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_cstrncat_~s~0.base)_1 - 1*ULTIMATE.start_cstrncat_~s~0.offset Supporting invariants [] [2021-10-13 00:23:02,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:23:02,538 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-10-13 00:23:02,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:02,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:23:02,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:23:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:02,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:23:02,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:23:02,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:23:02,673 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 [2021-10-13 00:23:02,675 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:23:02,736 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 53 states and 76 transitions. Complement of second has 7 states. [2021-10-13 00:23:02,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 00:23:02,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:23:02,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2021-10-13 00:23:02,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-13 00:23:02,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:23:02,742 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 8 letters. Loop has 2 letters. [2021-10-13 00:23:02,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:23:02,743 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-13 00:23:02,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:23:02,775 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 76 transitions. [2021-10-13 00:23:02,779 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:23:02,783 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 20 states and 27 transitions. [2021-10-13 00:23:02,785 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-13 00:23:02,785 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-13 00:23:02,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2021-10-13 00:23:02,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:23:02,799 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-10-13 00:23:02,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 00:23:02,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2021-10-13 00:23:02,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2021-10-13 00:23:02,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 states have internal predecessors, (26), 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) [2021-10-13 00:23:02,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2021-10-13 00:23:02,833 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-10-13 00:23:02,833 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-10-13 00:23:02,833 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:23:02,833 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2021-10-13 00:23:02,834 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 00:23:02,835 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:23:02,835 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:23:02,835 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:23:02,837 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:23:02,837 INFO L791 eck$LassoCheckResult]: Stem: 156#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 157#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~nondet215, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~malloc217.base, main_#t~malloc217.offset, main_#t~ret218.base, main_#t~ret218.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214;main_~n~0 := main_#t~nondet215;havoc main_#t~nondet215; 162#L381 assume !(main_~length1~0 < 1); 161#L381-2 assume !(main_~length2~0 < 1); 159#L384-1 assume !(main_~n~0 < 1); 160#L387-1 assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnHeap(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;havoc main_#t~malloc216.base, main_#t~malloc216.offset;call main_#t~malloc217.base, main_#t~malloc217.offset := #Ultimate.allocOnHeap(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc217.base, main_#t~malloc217.offset;havoc main_#t~malloc217.base, main_#t~malloc217.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post206.base, cstrncat_#t~post206.offset, cstrncat_#t~mem205, cstrncat_#t~post210, cstrncat_#t~post211.base, cstrncat_#t~post211.offset, cstrncat_#t~post207.base, cstrncat_#t~post207.offset, cstrncat_#t~mem208, cstrncat_#t~short209, cstrncat_#t~mem212, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; 150#L367-3 call cstrncat_#t~mem205 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 151#L367-1 assume !(0 != cstrncat_#t~mem205);havoc cstrncat_#t~mem205; 148#L369-4 cstrncat_#t~short209 := 0 != cstrncat_~n; 149#L369 assume !cstrncat_#t~short209; 158#L369-2 assume !!cstrncat_#t~short209;havoc cstrncat_#t~post207.base, cstrncat_#t~post207.offset;havoc cstrncat_#t~mem208;havoc cstrncat_#t~short209;cstrncat_#t~post210 := cstrncat_~n;cstrncat_~n := cstrncat_#t~post210 - 1;havoc cstrncat_#t~post210;cstrncat_#t~post211.base, cstrncat_#t~post211.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post211.base, 1 + cstrncat_#t~post211.offset;havoc cstrncat_#t~post211.base, cstrncat_#t~post211.offset; 163#L369-4 cstrncat_#t~short209 := 0 != cstrncat_~n; 147#L369 [2021-10-13 00:23:02,837 INFO L793 eck$LassoCheckResult]: Loop: 147#L369 assume !cstrncat_#t~short209; 153#L369-2 assume !!cstrncat_#t~short209;havoc cstrncat_#t~post207.base, cstrncat_#t~post207.offset;havoc cstrncat_#t~mem208;havoc cstrncat_#t~short209;cstrncat_#t~post210 := cstrncat_~n;cstrncat_~n := cstrncat_#t~post210 - 1;havoc cstrncat_#t~post210;cstrncat_#t~post211.base, cstrncat_#t~post211.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post211.base, 1 + cstrncat_#t~post211.offset;havoc cstrncat_#t~post211.base, cstrncat_#t~post211.offset; 146#L369-4 cstrncat_#t~short209 := 0 != cstrncat_~n; 147#L369 [2021-10-13 00:23:02,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:02,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1662025132, now seen corresponding path program 1 times [2021-10-13 00:23:02,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:02,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799987535] [2021-10-13 00:23:02,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:02,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:02,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:23:02,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:02,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799987535] [2021-10-13 00:23:02,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799987535] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:02,908 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:23:02,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:23:02,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195654207] [2021-10-13 00:23:02,911 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:23:02,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:02,912 INFO L82 PathProgramCache]: Analyzing trace with hash 76643, now seen corresponding path program 1 times [2021-10-13 00:23:02,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:02,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876948091] [2021-10-13 00:23:02,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:02,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:02,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:23:02,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:02,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876948091] [2021-10-13 00:23:02,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876948091] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:02,927 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:23:02,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:23:02,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078055447] [2021-10-13 00:23:02,928 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:23:02,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:02,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:23:02,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:23:02,933 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-13 00:23:02,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:02,948 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2021-10-13 00:23:02,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:23:02,950 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2021-10-13 00:23:02,951 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:23:02,951 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2021-10-13 00:23:02,951 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:23:02,951 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:23:02,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:23:02,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:23:02,952 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:23:02,952 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:23:02,952 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:23:02,952 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 00:23:02,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:23:02,953 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:23:02,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:23:02,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:23:02 BoogieIcfgContainer [2021-10-13 00:23:02,960 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:23:02,960 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:23:02,961 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:23:02,961 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:23:02,961 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:22:58" (3/4) ... [2021-10-13 00:23:02,965 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:23:02,965 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:23:02,967 INFO L168 Benchmark]: Toolchain (without parser) took 5845.14 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 71.5 MB in the beginning and 73.7 MB in the end (delta: -2.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:23:02,968 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory was 68.2 MB in the beginning and 68.2 MB in the end (delta: 44.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:23:02,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.06 ms. Allocated memory is still 92.3 MB. Free memory was 71.3 MB in the beginning and 60.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:23:02,969 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.59 ms. Allocated memory is still 92.3 MB. Free memory was 60.6 MB in the beginning and 58.7 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:23:02,970 INFO L168 Benchmark]: Boogie Preprocessor took 53.07 ms. Allocated memory is still 92.3 MB. Free memory was 58.5 MB in the beginning and 57.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:23:02,970 INFO L168 Benchmark]: RCFGBuilder took 378.52 ms. Allocated memory is still 92.3 MB. Free memory was 57.3 MB in the beginning and 46.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:23:02,971 INFO L168 Benchmark]: BuchiAutomizer took 4657.78 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 46.2 MB in the beginning and 73.7 MB in the end (delta: -27.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:23:02,972 INFO L168 Benchmark]: Witness Printer took 4.55 ms. Allocated memory is still 111.1 MB. Free memory is still 73.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:23:02,976 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory was 68.2 MB in the beginning and 68.2 MB in the end (delta: 44.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 658.06 ms. Allocated memory is still 92.3 MB. Free memory was 71.3 MB in the beginning and 60.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.59 ms. Allocated memory is still 92.3 MB. Free memory was 60.6 MB in the beginning and 58.7 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.07 ms. Allocated memory is still 92.3 MB. Free memory was 58.5 MB in the beginning and 57.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 378.52 ms. Allocated memory is still 92.3 MB. Free memory was 57.3 MB in the beginning and 46.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4657.78 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 46.2 MB in the beginning and 73.7 MB in the end (delta: -27.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.55 ms. Allocated memory is still 111.1 MB. Free memory is still 73.7 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[s] + -1 * s and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.6s and 3 iterations. TraceHistogramMax:2. Analysis of lassos took 4.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 13.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 19 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 37 SDtfs, 26 SDslu, 23 SDs, 0 SdLazy, 16 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.7ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI1 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital193 mio100 ax100 hnf100 lsp96 ukn74 mio100 lsp50 div100 bol100 ite100 ukn100 eq188 hnf88 smp100 dnf176 smp89 tf100 neg95 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 69ms VariablesStem: 8 VariablesLoop: 3 DisjunctsStem: 4 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 12 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! [2021-10-13 00:23:03,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810756fa-2d5a-476c-958e-271da4fc8ac3/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...