./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/ll_append-alloca-1.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_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/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_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/ll_append-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/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_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/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 d6b98f45248441181ae0f7e25e1c649442617e1c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: line 102811 column 1041: unknown constant v_DerPreprocessor_1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:00:34,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:00:34,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:00:34,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:00:34,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:00:34,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:00:34,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:00:34,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:00:34,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:00:34,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:00:34,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:00:34,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:00:34,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:00:34,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:00:34,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:00:34,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:00:34,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:00:34,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:00:34,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:00:34,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:00:34,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:00:34,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:00:34,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:00:34,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:00:34,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:00:34,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:00:34,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:00:34,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:00:34,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:00:34,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:00:34,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:00:34,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:00:34,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:00:34,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:00:34,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:00:34,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:00:34,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:00:34,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:00:34,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:00:34,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:00:34,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:00:34,716 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:00:34,759 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:00:34,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:00:34,767 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:00:34,767 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:00:34,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:00:34,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:00:34,769 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:00:34,769 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:00:34,769 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:00:34,770 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:00:34,771 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:00:34,771 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:00:34,771 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:00:34,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:00:34,772 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:00:34,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:00:34,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:00:34,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:00:34,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:00:34,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:00:34,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:00:34,773 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:00:34,774 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:00:34,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:00:34,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:00:34,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:00:34,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:00:34,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:00:34,777 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:00:34,778 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:00:34,778 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_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6b98f45248441181ae0f7e25e1c649442617e1c [2021-10-13 00:00:35,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:00:35,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:00:35,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:00:35,105 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:00:35,106 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:00:35,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-memory-linkedlists/ll_append-alloca-1.i [2021-10-13 00:00:35,181 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/data/a521da0f5/7d1b37f3c616455bb3cf6086be7b60d8/FLAGc6323a2cd [2021-10-13 00:00:35,721 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:00:35,722 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/sv-benchmarks/c/termination-memory-linkedlists/ll_append-alloca-1.i [2021-10-13 00:00:35,734 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/data/a521da0f5/7d1b37f3c616455bb3cf6086be7b60d8/FLAGc6323a2cd [2021-10-13 00:00:36,043 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/data/a521da0f5/7d1b37f3c616455bb3cf6086be7b60d8 [2021-10-13 00:00:36,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:00:36,050 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:00:36,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:00:36,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:00:36,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:00:36,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:00:36" (1/1) ... [2021-10-13 00:00:36,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:36, skipping insertion in model container [2021-10-13 00:00:36,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:00:36" (1/1) ... [2021-10-13 00:00:36,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:00:36,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:00:36,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:00:36,456 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:00:36,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:00:36,572 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:00:36,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:36 WrapperNode [2021-10-13 00:00:36,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:00:36,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:00:36,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:00:36,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:00:36,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:36" (1/1) ... [2021-10-13 00:00:36,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:36" (1/1) ... [2021-10-13 00:00:36,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:00:36,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:00:36,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:00:36,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:00:36,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:36" (1/1) ... [2021-10-13 00:00:36,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:36" (1/1) ... [2021-10-13 00:00:36,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:36" (1/1) ... [2021-10-13 00:00:36,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:36" (1/1) ... [2021-10-13 00:00:36,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:36" (1/1) ... [2021-10-13 00:00:36,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:36" (1/1) ... [2021-10-13 00:00:36,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:36" (1/1) ... [2021-10-13 00:00:36,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:00:36,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:00:36,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:00:36,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:00:36,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:36" (1/1) ... [2021-10-13 00:00:36,734 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:36,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:36,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:36,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:00:36,818 INFO L130 BoogieDeclarations]: Found specification of procedure new_ll [2021-10-13 00:00:36,819 INFO L138 BoogieDeclarations]: Found implementation of procedure new_ll [2021-10-13 00:00:36,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:00:36,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 00:00:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 00:00:36,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 00:00:36,821 INFO L130 BoogieDeclarations]: Found specification of procedure length [2021-10-13 00:00:36,821 INFO L138 BoogieDeclarations]: Found implementation of procedure length [2021-10-13 00:00:36,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:00:36,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:00:37,171 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:00:37,171 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 00:00:37,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:00:37 BoogieIcfgContainer [2021-10-13 00:00:37,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:00:37,174 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:00:37,175 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:00:37,178 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:00:37,179 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:00:37,179 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:00:36" (1/3) ... [2021-10-13 00:00:37,186 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b7df403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:00:37, skipping insertion in model container [2021-10-13 00:00:37,186 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:00:37,186 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:36" (2/3) ... [2021-10-13 00:00:37,187 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b7df403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:00:37, skipping insertion in model container [2021-10-13 00:00:37,187 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:00:37,187 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:00:37" (3/3) ... [2021-10-13 00:00:37,188 INFO L389 chiAutomizerObserver]: Analyzing ICFG ll_append-alloca-1.i [2021-10-13 00:00:37,245 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:00:37,253 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:00:37,254 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:00:37,254 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:00:37,254 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:00:37,254 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:00:37,254 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:00:37,254 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:00:37,274 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 29 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-10-13 00:00:37,315 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-13 00:00:37,315 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:00:37,316 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:00:37,323 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 00:00:37,324 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:00:37,324 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:00:37,324 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 29 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-10-13 00:00:37,327 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-13 00:00:37,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:00:37,327 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:00:37,328 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 00:00:37,328 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:00:37,333 INFO L791 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~ret9.base, main_#t~ret9.offset, main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12, main_~n~0, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~z_length~0;main_~n~0 := main_#t~nondet8;havoc main_#t~nondet8; 15#L574true assume !(main_~n~0 < 1); 29#L577true call main_#t~ret9.base, main_#t~ret9.offset := new_ll(main_~n~0 - 1);< 13#new_llENTRYtrue [2021-10-13 00:00:37,333 INFO L793 eck$LassoCheckResult]: Loop: 13#new_llENTRYtrue ~n := #in~n; 21#L548true assume !(0 == ~n);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12);~head~0.base, ~head~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(~n, ~head~0.base, ~head~0.offset, 4); 16#L552true call #t~ret3.base, #t~ret3.offset := new_ll(~n - 1);< 13#new_llENTRYtrue [2021-10-13 00:00:37,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:37,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1418246, now seen corresponding path program 1 times [2021-10-13 00:00:37,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:37,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003430908] [2021-10-13 00:00:37,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:37,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:37,471 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:37,505 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:37,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:37,508 INFO L82 PathProgramCache]: Analyzing trace with hash 29969, now seen corresponding path program 1 times [2021-10-13 00:00:37,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:37,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168772178] [2021-10-13 00:00:37,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:37,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:37,532 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:37,552 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:37,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:37,554 INFO L82 PathProgramCache]: Analyzing trace with hash -698706196, now seen corresponding path program 1 times [2021-10-13 00:00:37,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:37,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864330581] [2021-10-13 00:00:37,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:37,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:37,577 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:37,605 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:38,633 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:00:38,633 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:00:38,633 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:00:38,634 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:00:38,634 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:00:38,634 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:38,634 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:00:38,635 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:00:38,635 INFO L133 ssoRankerPreferences]: Filename of dumped script: ll_append-alloca-1.i_Iteration1_Lasso [2021-10-13 00:00:38,636 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:00:38,636 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:00:38,666 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 00:00:38,671 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 00:00:38,674 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 00:00:38,681 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 00:00:38,685 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 00:00:38,723 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 00:00:38,727 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 00:00:38,729 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 00:00:38,731 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 00:00:38,733 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 00:00:38,736 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 00:00:38,738 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 00:00:38,740 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 00:00:38,742 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 00:00:38,744 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 00:00:38,746 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 00:00:38,749 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 00:00:38,751 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 00:00:38,754 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 00:00:38,756 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 00:00:38,758 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 00:00:38,761 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 00:00:38,763 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 00:00:38,765 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 00:00:38,766 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 00:00:38,768 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 00:00:38,771 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 00:00:38,773 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 00:00:38,775 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 00:00:38,777 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 00:00:38,779 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 00:00:38,782 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 00:00:38,785 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 00:00:38,789 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 00:00:38,793 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 00:00:38,795 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 00:00:38,797 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 00:00:38,799 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 00:00:38,803 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 00:00:38,805 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 00:00:38,807 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 00:00:38,809 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 00:00:38,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:38,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:38,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:38,828 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 00:00:38,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:38,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:39,091 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:00:39,095 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:00:39,097 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:39,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:39,101 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:39,107 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 00:00:39,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:00:39,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:39,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:39,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:39,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:39,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:39,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:39,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:39,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:39,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:39,168 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:39,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:39,170 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:39,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:00:39,175 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 00:00:39,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:39,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:39,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:39,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:39,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:39,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:39,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:39,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:39,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-13 00:00:39,214 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:39,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:39,215 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:39,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:00:39,249 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 00:00:39,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:39,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:39,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:39,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:39,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:39,258 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:39,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:39,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:39,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:39,307 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:39,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:39,312 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:39,319 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 00:00:39,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:39,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:39,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:39,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:39,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:39,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:39,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:39,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:00:39,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:39,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:39,363 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:39,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:39,364 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:39,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:00:39,371 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 00:00:39,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:39,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:39,378 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:00:39,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:39,394 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-13 00:00:39,394 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-13 00:00:39,416 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:00:39,452 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-13 00:00:39,452 INFO L444 ModelExtractionUtils]: 1 out of 11 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-10-13 00:00:39,454 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:39,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:39,470 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:39,508 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:00:39,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:00:39,547 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-10-13 00:00:39,547 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:00:39,548 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(new_ll_#in~n) = 1*new_ll_#in~n Supporting invariants [1*new_ll_#in~n >= 0] [2021-10-13 00:00:39,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:39,590 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2021-10-13 00:00:39,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:39,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:00:39,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:39,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:00:39,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:39,729 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 00:00:39,795 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-10-13 00:00:39,797 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 29 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:39,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:39,961 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 29 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 21 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5). Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 62 transitions. Complement of second has 13 states. [2021-10-13 00:00:39,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 00:00:39,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:39,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2021-10-13 00:00:39,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2021-10-13 00:00:39,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:39,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2021-10-13 00:00:39,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:39,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2021-10-13 00:00:39,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:39,968 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 62 transitions. [2021-10-13 00:00:39,980 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-13 00:00:39,989 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 34 states and 45 transitions. [2021-10-13 00:00:39,990 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-10-13 00:00:39,991 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-10-13 00:00:39,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 45 transitions. [2021-10-13 00:00:39,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:00:39,993 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2021-10-13 00:00:40,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 45 transitions. [2021-10-13 00:00:40,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2021-10-13 00:00:40,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2021-10-13 00:00:40,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions. [2021-10-13 00:00:40,033 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 41 transitions. [2021-10-13 00:00:40,033 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 41 transitions. [2021-10-13 00:00:40,033 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:00:40,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 41 transitions. [2021-10-13 00:00:40,037 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-13 00:00:40,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:00:40,039 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:00:40,040 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:40,040 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:00:40,040 INFO L791 eck$LassoCheckResult]: Stem: 156#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 157#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~ret9.base, main_#t~ret9.offset, main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12, main_~n~0, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~z_length~0;main_~n~0 := main_#t~nondet8;havoc main_#t~nondet8; 164#L574 assume !(main_~n~0 < 1); 153#L577 call main_#t~ret9.base, main_#t~ret9.offset := new_ll(main_~n~0 - 1);< 172#new_llENTRY ~n := #in~n; 173#L548 assume 0 == ~n;#res.base, #res.offset := 0, 0; 178#new_llFINAL assume true; 177#new_llEXIT >#59#return; 166#L577-1 main_~x~0.base, main_~x~0.offset := main_#t~ret9.base, main_#t~ret9.offset;havoc main_#t~ret9.base, main_#t~ret9.offset; 152#L578 call main_#t~ret10.base, main_#t~ret10.offset := new_ll(main_~n~0);< 167#new_llENTRY [2021-10-13 00:00:40,040 INFO L793 eck$LassoCheckResult]: Loop: 167#new_llENTRY ~n := #in~n; 175#L548 assume !(0 == ~n);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12);~head~0.base, ~head~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(~n, ~head~0.base, ~head~0.offset, 4); 151#L552 call #t~ret3.base, #t~ret3.offset := new_ll(~n - 1);< 167#new_llENTRY [2021-10-13 00:00:40,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:40,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1747034784, now seen corresponding path program 1 times [2021-10-13 00:00:40,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:40,043 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194594927] [2021-10-13 00:00:40,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:40,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:40,075 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:40,100 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:40,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:40,101 INFO L82 PathProgramCache]: Analyzing trace with hash 29969, now seen corresponding path program 2 times [2021-10-13 00:00:40,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:40,101 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16867959] [2021-10-13 00:00:40,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:40,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:40,117 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:40,148 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:40,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:40,149 INFO L82 PathProgramCache]: Analyzing trace with hash 500442962, now seen corresponding path program 1 times [2021-10-13 00:00:40,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:40,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014055634] [2021-10-13 00:00:40,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:40,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:40,166 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:40,187 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:41,162 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:00:41,162 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:00:41,162 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:00:41,162 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:00:41,162 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:00:41,162 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:41,162 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:00:41,162 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:00:41,163 INFO L133 ssoRankerPreferences]: Filename of dumped script: ll_append-alloca-1.i_Iteration2_Lasso [2021-10-13 00:00:41,163 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:00:41,163 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:00:41,167 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 00:00:41,169 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 00:00:41,171 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 00:00:41,173 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 00:00:41,175 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 00:00:41,177 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 00:00:41,179 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 00:00:41,182 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 00:00:41,184 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 00:00:41,186 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 00:00:41,188 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 00:00:41,190 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 00:00:41,193 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 00:00:41,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:41,223 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 00:00:41,225 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 00:00:41,231 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 00:00:41,233 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 00:00:41,235 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 00:00:41,237 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 00:00:41,239 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 00:00:41,240 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 00:00:41,242 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 00:00:41,244 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 00:00:41,246 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 00:00:41,249 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 00:00:41,251 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 00:00:41,253 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 00:00:41,255 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 00:00:41,257 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 00:00:41,259 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 00:00:41,261 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 00:00:41,263 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 00:00:41,265 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 00:00:41,267 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 00:00:41,269 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 00:00:41,271 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 00:00:41,273 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 00:00:41,278 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 00:00:41,280 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 00:00:41,282 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 00:00:41,284 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 00:00:41,286 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 00:00:41,288 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 00:00:41,290 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 00:00:41,292 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 00:00:41,294 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 00:00:41,296 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 00:00:41,508 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:00:41,508 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:00:41,509 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:41,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:41,512 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:41,518 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 00:00:41,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:41,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:41,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:41,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:41,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:41,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:41,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:41,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:00:41,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:41,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:41,567 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:41,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:41,568 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:41,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:00:41,570 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 00:00:41,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:41,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:41,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:41,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:41,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:41,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:41,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:41,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:41,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:41,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:41,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:41,601 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:41,602 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 00:00:41,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:00:41,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:41,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:41,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:41,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:41,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:41,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:41,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:41,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:41,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-10-13 00:00:41,639 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:41,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:41,640 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:41,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:00:41,644 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 00:00:41,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:41,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:41,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:41,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:41,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:41,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:41,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:41,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:41,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:41,695 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:41,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:41,696 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:41,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:00:41,697 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 00:00:41,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:41,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:41,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:41,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:41,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:41,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:41,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:41,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:41,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:41,780 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:41,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:41,781 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:41,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:00:41,785 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 00:00:41,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:41,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:41,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:41,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:41,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:41,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:41,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:41,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:41,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:41,844 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:41,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:41,845 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:41,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:00:41,847 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 00:00:41,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:41,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:41,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:41,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:41,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:00:41,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:00:41,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:41,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:41,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:41,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:41,879 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:41,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:00:41,883 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 00:00:41,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:41,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:41,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:41,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:41,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:41,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:41,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:41,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:41,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:41,911 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:41,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:41,912 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:41,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:00:41,915 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 00:00:41,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:41,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:41,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:41,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:41,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:41,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:41,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:41,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:41,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:41,951 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:41,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:41,952 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:41,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:00:41,954 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 00:00:41,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:41,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:41,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:41,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:41,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:41,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:41,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:41,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:41,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:41,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:41,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:41,988 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:41,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 00:00:41,990 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 00:00:41,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:41,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:41,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:41,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:41,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:41,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:41,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:42,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:42,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:42,052 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:42,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:42,053 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:42,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 00:00:42,054 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 00:00:42,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:42,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:42,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:42,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:42,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:42,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:42,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:42,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:42,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:42,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:42,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:42,110 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:42,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 00:00:42,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:00:42,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:42,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:42,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:42,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:42,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:42,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:42,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:42,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:42,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:42,156 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:42,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:42,157 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:42,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 00:00:42,161 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 00:00:42,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:42,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:42,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:42,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:42,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:00:42,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:00:42,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:42,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:42,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:42,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:42,225 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:42,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 00:00:42,226 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 00:00:42,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:42,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:42,233 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:00:42,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:42,252 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-13 00:00:42,253 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-13 00:00:42,272 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:00:42,318 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-13 00:00:42,318 INFO L444 ModelExtractionUtils]: 1 out of 11 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-10-13 00:00:42,319 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:42,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:42,320 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:42,339 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:00:42,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 00:00:42,374 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-10-13 00:00:42,374 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:00:42,374 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(new_ll_#in~n) = 1*new_ll_#in~n Supporting invariants [1*new_ll_#in~n >= 0] [2021-10-13 00:00:42,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:42,416 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2021-10-13 00:00:42,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:42,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:00:42,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:42,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:00:42,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:42,639 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 00:00:42,640 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2021-10-13 00:00:42,640 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 41 transitions. cyclomatic complexity: 13 Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 00:00:42,784 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 41 transitions. cyclomatic complexity: 13. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 55 states and 67 transitions. Complement of second has 15 states. [2021-10-13 00:00:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 00:00:42,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 00:00:42,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2021-10-13 00:00:42,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 10 letters. Loop has 3 letters. [2021-10-13 00:00:42,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:42,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 13 letters. Loop has 3 letters. [2021-10-13 00:00:42,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:42,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 10 letters. Loop has 6 letters. [2021-10-13 00:00:42,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:42,792 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 67 transitions. [2021-10-13 00:00:42,800 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-13 00:00:42,805 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 49 states and 61 transitions. [2021-10-13 00:00:42,806 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2021-10-13 00:00:42,806 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2021-10-13 00:00:42,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 61 transitions. [2021-10-13 00:00:42,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:00:42,806 INFO L681 BuchiCegarLoop]: Abstraction has 49 states and 61 transitions. [2021-10-13 00:00:42,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 61 transitions. [2021-10-13 00:00:42,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2021-10-13 00:00:42,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 32 states have internal predecessors, (38), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-10-13 00:00:42,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 52 transitions. [2021-10-13 00:00:42,819 INFO L704 BuchiCegarLoop]: Abstraction has 43 states and 52 transitions. [2021-10-13 00:00:42,819 INFO L587 BuchiCegarLoop]: Abstraction has 43 states and 52 transitions. [2021-10-13 00:00:42,819 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 00:00:42,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 52 transitions. [2021-10-13 00:00:42,822 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-13 00:00:42,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:00:42,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:00:42,824 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:42,824 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:00:42,824 INFO L791 eck$LassoCheckResult]: Stem: 329#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 330#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~ret9.base, main_#t~ret9.offset, main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12, main_~n~0, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~z_length~0;main_~n~0 := main_#t~nondet8;havoc main_#t~nondet8; 338#L574 assume !(main_~n~0 < 1); 352#L577 call main_#t~ret9.base, main_#t~ret9.offset := new_ll(main_~n~0 - 1);< 353#new_llENTRY ~n := #in~n; 359#L548 assume 0 == ~n;#res.base, #res.offset := 0, 0; 356#new_llFINAL assume true; 355#new_llEXIT >#59#return; 340#L577-1 main_~x~0.base, main_~x~0.offset := main_#t~ret9.base, main_#t~ret9.offset;havoc main_#t~ret9.base, main_#t~ret9.offset; 336#L578 call main_#t~ret10.base, main_#t~ret10.offset := new_ll(main_~n~0);< 341#new_llENTRY ~n := #in~n; 347#L548 assume 0 == ~n;#res.base, #res.offset := 0, 0; 364#new_llFINAL assume true; 354#new_llEXIT >#61#return; 350#L578-1 main_~y~0.base, main_~y~0.offset := main_#t~ret10.base, main_#t~ret10.offset;havoc main_#t~ret10.base, main_#t~ret10.offset;append_#in~x.base, append_#in~x.offset, append_#in~y.base, append_#in~y.offset := main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;havoc append_#res.base, append_#res.offset;havoc append_#t~mem7.base, append_#t~mem7.offset, append_#t~mem6.base, append_#t~mem6.offset, append_~x.base, append_~x.offset, append_~y.base, append_~y.offset, append_~s~0.base, append_~s~0.offset;append_~x.base, append_~x.offset := append_#in~x.base, append_#in~x.offset;append_~y.base, append_~y.offset := append_#in~y.base, append_#in~y.offset; 344#L563 assume !(append_~x.base == 0 && append_~x.offset == 0);append_~s~0.base, append_~s~0.offset := append_~x.base, append_~x.offset; 345#L566-3 [2021-10-13 00:00:42,825 INFO L793 eck$LassoCheckResult]: Loop: 345#L566-3 call append_#t~mem6.base, append_#t~mem6.offset := read~$Pointer$(append_~x.base, 4 + append_~x.offset, 8); 346#L566-1 assume !!(append_#t~mem6.base != 0 || append_#t~mem6.offset != 0);havoc append_#t~mem6.base, append_#t~mem6.offset;call append_#t~mem7.base, append_#t~mem7.offset := read~$Pointer$(append_~x.base, 4 + append_~x.offset, 8);append_~x.base, append_~x.offset := append_#t~mem7.base, append_#t~mem7.offset;havoc append_#t~mem7.base, append_#t~mem7.offset; 345#L566-3 [2021-10-13 00:00:42,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:42,829 INFO L82 PathProgramCache]: Analyzing trace with hash 862532318, now seen corresponding path program 1 times [2021-10-13 00:00:42,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:42,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974397318] [2021-10-13 00:00:42,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:42,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:42,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:00:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:42,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-10-13 00:00:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:43,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 00:00:43,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:00:43,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974397318] [2021-10-13 00:00:43,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974397318] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:00:43,004 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:00:43,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 00:00:43,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569704751] [2021-10-13 00:00:43,007 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:00:43,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:43,008 INFO L82 PathProgramCache]: Analyzing trace with hash 2150, now seen corresponding path program 1 times [2021-10-13 00:00:43,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:43,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482496298] [2021-10-13 00:00:43,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:43,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:43,013 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:43,019 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:43,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:00:43,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:00:43,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:00:43,070 INFO L87 Difference]: Start difference. First operand 43 states and 52 transitions. cyclomatic complexity: 13 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-13 00:00:43,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:00:43,168 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions. [2021-10-13 00:00:43,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:00:43,168 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 55 transitions. [2021-10-13 00:00:43,173 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-13 00:00:43,177 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 44 states and 52 transitions. [2021-10-13 00:00:43,177 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2021-10-13 00:00:43,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2021-10-13 00:00:43,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 52 transitions. [2021-10-13 00:00:43,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:00:43,178 INFO L681 BuchiCegarLoop]: Abstraction has 44 states and 52 transitions. [2021-10-13 00:00:43,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 52 transitions. [2021-10-13 00:00:43,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 40. [2021-10-13 00:00:43,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2021-10-13 00:00:43,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2021-10-13 00:00:43,191 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 47 transitions. [2021-10-13 00:00:43,191 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 47 transitions. [2021-10-13 00:00:43,191 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 00:00:43,191 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 47 transitions. [2021-10-13 00:00:43,193 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-13 00:00:43,194 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:00:43,194 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:00:43,195 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:43,195 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:00:43,195 INFO L791 eck$LassoCheckResult]: Stem: 440#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 441#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~ret9.base, main_#t~ret9.offset, main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12, main_~n~0, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~z_length~0;main_~n~0 := main_#t~nondet8;havoc main_#t~nondet8; 447#L574 assume !(main_~n~0 < 1); 457#L577 call main_#t~ret9.base, main_#t~ret9.offset := new_ll(main_~n~0 - 1);< 456#new_llENTRY ~n := #in~n; 458#L548 assume 0 == ~n;#res.base, #res.offset := 0, 0; 472#new_llFINAL assume true; 471#new_llEXIT >#59#return; 449#L577-1 main_~x~0.base, main_~x~0.offset := main_#t~ret9.base, main_#t~ret9.offset;havoc main_#t~ret9.base, main_#t~ret9.offset; 450#L578 call main_#t~ret10.base, main_#t~ret10.offset := new_ll(main_~n~0);< 451#new_llENTRY ~n := #in~n; 467#L548 assume !(0 == ~n);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12);~head~0.base, ~head~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(~n, ~head~0.base, ~head~0.offset, 4); 463#L552 call #t~ret3.base, #t~ret3.offset := new_ll(~n - 1);< 466#new_llENTRY ~n := #in~n; 468#L548 assume 0 == ~n;#res.base, #res.offset := 0, 0; 470#new_llFINAL assume true; 469#new_llEXIT >#55#return; 464#L552-1 call write~$Pointer$(#t~ret3.base, #t~ret3.offset, ~head~0.base, 4 + ~head~0.offset, 8);havoc #t~ret3.base, #t~ret3.offset;#res.base, #res.offset := ~head~0.base, ~head~0.offset; 465#new_llFINAL assume true; 462#new_llEXIT >#61#return; 461#L578-1 main_~y~0.base, main_~y~0.offset := main_#t~ret10.base, main_#t~ret10.offset;havoc main_#t~ret10.base, main_#t~ret10.offset;append_#in~x.base, append_#in~x.offset, append_#in~y.base, append_#in~y.offset := main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;havoc append_#res.base, append_#res.offset;havoc append_#t~mem7.base, append_#t~mem7.offset, append_#t~mem6.base, append_#t~mem6.offset, append_~x.base, append_~x.offset, append_~y.base, append_~y.offset, append_~s~0.base, append_~s~0.offset;append_~x.base, append_~x.offset := append_#in~x.base, append_#in~x.offset;append_~y.base, append_~y.offset := append_#in~y.base, append_#in~y.offset; 453#L563 assume !(append_~x.base == 0 && append_~x.offset == 0);append_~s~0.base, append_~s~0.offset := append_~x.base, append_~x.offset; 454#L566-3 [2021-10-13 00:00:43,195 INFO L793 eck$LassoCheckResult]: Loop: 454#L566-3 call append_#t~mem6.base, append_#t~mem6.offset := read~$Pointer$(append_~x.base, 4 + append_~x.offset, 8); 455#L566-1 assume !!(append_#t~mem6.base != 0 || append_#t~mem6.offset != 0);havoc append_#t~mem6.base, append_#t~mem6.offset;call append_#t~mem7.base, append_#t~mem7.offset := read~$Pointer$(append_~x.base, 4 + append_~x.offset, 8);append_~x.base, append_~x.offset := append_#t~mem7.base, append_#t~mem7.offset;havoc append_#t~mem7.base, append_#t~mem7.offset; 454#L566-3 [2021-10-13 00:00:43,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:43,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1466939268, now seen corresponding path program 1 times [2021-10-13 00:00:43,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:43,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664334933] [2021-10-13 00:00:43,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:43,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:43,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 00:00:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:43,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-10-13 00:00:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:43,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-13 00:00:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:43,359 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-13 00:00:43,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:00:43,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664334933] [2021-10-13 00:00:43,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664334933] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:00:43,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822199828] [2021-10-13 00:00:43,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:43,360 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:00:43,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:43,369 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:00:43,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-10-13 00:00:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:43,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-13 00:00:43,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:43,568 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-13 00:00:43,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822199828] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:00:43,568 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:00:43,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-10-13 00:00:43,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584608574] [2021-10-13 00:00:43,570 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:00:43,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:43,571 INFO L82 PathProgramCache]: Analyzing trace with hash 2150, now seen corresponding path program 2 times [2021-10-13 00:00:43,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:43,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239636458] [2021-10-13 00:00:43,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:43,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:43,578 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:43,586 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:43,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:00:43,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 00:00:43,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:00:43,630 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. cyclomatic complexity: 11 Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-10-13 00:00:43,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:00:43,715 INFO L93 Difference]: Finished difference Result 52 states and 61 transitions. [2021-10-13 00:00:43,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 00:00:43,716 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 61 transitions. [2021-10-13 00:00:43,718 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-13 00:00:43,721 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 52 states and 61 transitions. [2021-10-13 00:00:43,721 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2021-10-13 00:00:43,722 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2021-10-13 00:00:43,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 61 transitions. [2021-10-13 00:00:43,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:00:43,722 INFO L681 BuchiCegarLoop]: Abstraction has 52 states and 61 transitions. [2021-10-13 00:00:43,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 61 transitions. [2021-10-13 00:00:43,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 46. [2021-10-13 00:00:43,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 33 states have internal predecessors, (38), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-10-13 00:00:43,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2021-10-13 00:00:43,738 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 54 transitions. [2021-10-13 00:00:43,738 INFO L587 BuchiCegarLoop]: Abstraction has 46 states and 54 transitions. [2021-10-13 00:00:43,738 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 00:00:43,738 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 54 transitions. [2021-10-13 00:00:43,740 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-13 00:00:43,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:00:43,741 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:00:43,742 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:43,742 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 00:00:43,742 INFO L791 eck$LassoCheckResult]: Stem: 627#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 628#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~ret9.base, main_#t~ret9.offset, main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12, main_~n~0, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset, main_~z_length~0;main_~n~0 := main_#t~nondet8;havoc main_#t~nondet8; 634#L574 assume !(main_~n~0 < 1); 640#L577 call main_#t~ret9.base, main_#t~ret9.offset := new_ll(main_~n~0 - 1);< 644#new_llENTRY ~n := #in~n; 645#L548 assume 0 == ~n;#res.base, #res.offset := 0, 0; 665#new_llFINAL assume true; 639#new_llEXIT >#59#return; 636#L577-1 main_~x~0.base, main_~x~0.offset := main_#t~ret9.base, main_#t~ret9.offset;havoc main_#t~ret9.base, main_#t~ret9.offset; 637#L578 call main_#t~ret10.base, main_#t~ret10.offset := new_ll(main_~n~0);< 638#new_llENTRY ~n := #in~n; 658#L548 assume !(0 == ~n);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12);~head~0.base, ~head~0.offset := #t~malloc2.base, #t~malloc2.offset;havoc #t~malloc2.base, #t~malloc2.offset;call write~int(~n, ~head~0.base, ~head~0.offset, 4); 653#L552 call #t~ret3.base, #t~ret3.offset := new_ll(~n - 1);< 656#new_llENTRY ~n := #in~n; 661#L548 assume 0 == ~n;#res.base, #res.offset := 0, 0; 664#new_llFINAL assume true; 660#new_llEXIT >#55#return; 654#L552-1 call write~$Pointer$(#t~ret3.base, #t~ret3.offset, ~head~0.base, 4 + ~head~0.offset, 8);havoc #t~ret3.base, #t~ret3.offset;#res.base, #res.offset := ~head~0.base, ~head~0.offset; 655#new_llFINAL assume true; 651#new_llEXIT >#61#return; 648#L578-1 main_~y~0.base, main_~y~0.offset := main_#t~ret10.base, main_#t~ret10.offset;havoc main_#t~ret10.base, main_#t~ret10.offset;append_#in~x.base, append_#in~x.offset, append_#in~y.base, append_#in~y.offset := main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset;havoc append_#res.base, append_#res.offset;havoc append_#t~mem7.base, append_#t~mem7.offset, append_#t~mem6.base, append_#t~mem6.offset, append_~x.base, append_~x.offset, append_~y.base, append_~y.offset, append_~s~0.base, append_~s~0.offset;append_~x.base, append_~x.offset := append_#in~x.base, append_#in~x.offset;append_~y.base, append_~y.offset := append_#in~y.base, append_#in~y.offset; 641#L563 assume append_~x.base == 0 && append_~x.offset == 0;append_#res.base, append_#res.offset := append_~y.base, append_~y.offset; 624#L569 main_#t~ret11.base, main_#t~ret11.offset := append_#res.base, append_#res.offset;main_~z~0.base, main_~z~0.offset := main_#t~ret11.base, main_#t~ret11.offset;havoc main_#t~ret11.base, main_#t~ret11.offset; 625#L580 call main_#t~ret12 := length(main_~z~0.base, main_~z~0.offset);< 626#lengthENTRY [2021-10-13 00:00:43,742 INFO L793 eck$LassoCheckResult]: Loop: 626#lengthENTRY ~xs.base, ~xs.offset := #in~xs.base, #in~xs.offset; 630#L557 assume !(~xs.base == 0 && ~xs.offset == 0);call #t~mem4.base, #t~mem4.offset := read~$Pointer$(~xs.base, 4 + ~xs.offset, 8); 631#L559 call #t~ret5 := length(#t~mem4.base, #t~mem4.offset);< 626#lengthENTRY [2021-10-13 00:00:43,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:43,743 INFO L82 PathProgramCache]: Analyzing trace with hash -979363832, now seen corresponding path program 1 times [2021-10-13 00:00:43,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:43,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989635445] [2021-10-13 00:00:43,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:43,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:43,771 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:43,810 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:43,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:43,813 INFO L82 PathProgramCache]: Analyzing trace with hash 37907, now seen corresponding path program 1 times [2021-10-13 00:00:43,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:43,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363968386] [2021-10-13 00:00:43,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:43,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:43,819 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:43,829 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:43,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:43,832 INFO L82 PathProgramCache]: Analyzing trace with hash -515069268, now seen corresponding path program 1 times [2021-10-13 00:00:43,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:43,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952304902] [2021-10-13 00:00:43,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:43,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:43,912 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:43,946 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:43,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:45,902 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 102811 column 1041: unknown constant v_DerPreprocessor_1 at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:237) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:256) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.assertTerm(ManagedScript.java:133) at de.uni_freiburg.informatik.ultimate.lassoranker.nontermination.FixpointCheck.checkForFixpoint(FixpointCheck.java:100) at de.uni_freiburg.informatik.ultimate.lassoranker.nontermination.FixpointCheck.(FixpointCheck.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:953) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:862) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-13 00:00:45,905 INFO L168 Benchmark]: Toolchain (without parser) took 9854.63 ms. Allocated memory was 92.3 MB in the beginning and 157.3 MB in the end (delta: 65.0 MB). Free memory was 51.6 MB in the beginning and 82.5 MB in the end (delta: -30.9 MB). Peak memory consumption was 80.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:45,906 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory was 68.9 MB in the beginning and 68.9 MB in the end (delta: 44.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:00:45,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.89 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 51.4 MB in the beginning and 89.7 MB in the end (delta: -38.4 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:45,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.73 ms. Allocated memory is still 121.6 MB. Free memory was 89.7 MB in the beginning and 88.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:45,908 INFO L168 Benchmark]: Boogie Preprocessor took 67.53 ms. Allocated memory is still 121.6 MB. Free memory was 88.1 MB in the beginning and 86.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:00:45,908 INFO L168 Benchmark]: RCFGBuilder took 453.21 ms. Allocated memory is still 121.6 MB. Free memory was 86.7 MB in the beginning and 75.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:45,909 INFO L168 Benchmark]: BuchiAutomizer took 8729.61 ms. Allocated memory was 121.6 MB in the beginning and 157.3 MB in the end (delta: 35.7 MB). Free memory was 75.1 MB in the beginning and 82.5 MB in the end (delta: -7.5 MB). Peak memory consumption was 74.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:45,912 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory was 68.9 MB in the beginning and 68.9 MB in the end (delta: 44.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 519.89 ms. Allocated memory was 92.3 MB in the beginning and 121.6 MB in the end (delta: 29.4 MB). Free memory was 51.4 MB in the beginning and 89.7 MB in the end (delta: -38.4 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.73 ms. Allocated memory is still 121.6 MB. Free memory was 89.7 MB in the beginning and 88.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.53 ms. Allocated memory is still 121.6 MB. Free memory was 88.1 MB in the beginning and 86.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 453.21 ms. Allocated memory is still 121.6 MB. Free memory was 86.7 MB in the beginning and 75.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 8729.61 ms. Allocated memory was 121.6 MB in the beginning and 157.3 MB in the end (delta: 35.7 MB). Free memory was 75.1 MB in the beginning and 82.5 MB in the end (delta: -7.5 MB). Peak memory consumption was 74.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: SMTLIBException: line 102811 column 1041: unknown constant v_DerPreprocessor_1 de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: SMTLIBException: line 102811 column 1041: unknown constant v_DerPreprocessor_1: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-13 00:00:45,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:46,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e391b0d-2147-4261-b8a4-9b06cc1d9a9e/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 1 Received shutdown request...