./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/add_last-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/add_last-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX --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 32bit --witnessprinter.graph.data.programhash 870a7e5617be5a547f8d530603b5c27ad6cbb74bb05a83654285fee7bbb92753 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:57:15,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:57:15,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:57:15,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:57:15,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:57:15,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:57:15,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:57:15,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:57:15,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:57:15,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:57:15,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:57:15,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:57:15,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:57:15,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:57:15,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:57:15,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:57:15,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:57:15,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:57:15,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:57:15,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:57:15,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:57:15,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:57:15,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:57:15,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:57:15,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:57:15,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:57:15,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:57:15,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:57:15,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:57:15,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:57:15,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:57:15,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:57:15,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:57:15,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:57:15,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:57:15,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:57:15,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:57:15,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:57:15,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:57:15,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:57:15,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:57:15,783 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-09 08:57:15,809 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:57:15,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:57:15,810 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:57:15,810 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:57:15,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:57:15,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:57:15,814 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:57:15,814 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-09 08:57:15,815 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-09 08:57:15,815 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-09 08:57:15,816 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-09 08:57:15,816 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-09 08:57:15,817 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-09 08:57:15,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:57:15,817 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 08:57:15,817 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 08:57:15,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:57:15,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 08:57:15,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:57:15,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-09 08:57:15,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-09 08:57:15,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-09 08:57:15,819 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 08:57:15,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:57:15,819 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-09 08:57:15,820 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:57:15,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-09 08:57:15,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:57:15,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:57:15,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:57:15,822 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:57:15,822 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:57:15,824 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-09 08:57:15,824 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_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 870a7e5617be5a547f8d530603b5c27ad6cbb74bb05a83654285fee7bbb92753 [2021-11-09 08:57:16,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:57:16,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:57:16,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:57:16,146 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:57:16,147 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:57:16,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/array-memsafety/add_last-alloca-1.i [2021-11-09 08:57:16,250 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/data/e37dcda5a/0b6f4324e2354329af7ab41f979a5678/FLAG00b1be8bc [2021-11-09 08:57:16,888 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:57:16,888 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/sv-benchmarks/c/array-memsafety/add_last-alloca-1.i [2021-11-09 08:57:16,900 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/data/e37dcda5a/0b6f4324e2354329af7ab41f979a5678/FLAG00b1be8bc [2021-11-09 08:57:17,171 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/data/e37dcda5a/0b6f4324e2354329af7ab41f979a5678 [2021-11-09 08:57:17,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:57:17,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:57:17,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:57:17,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:57:17,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:57:17,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:57:17" (1/1) ... [2021-11-09 08:57:17,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d634809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:17, skipping insertion in model container [2021-11-09 08:57:17,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:57:17" (1/1) ... [2021-11-09 08:57:17,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:57:17,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:57:17,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:57:17,602 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:57:17,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:57:17,718 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:57:17,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:17 WrapperNode [2021-11-09 08:57:17,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:57:17,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:57:17,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:57:17,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:57:17,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:17" (1/1) ... [2021-11-09 08:57:17,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:17" (1/1) ... [2021-11-09 08:57:17,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:57:17,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:57:17,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:57:17,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:57:17,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:17" (1/1) ... [2021-11-09 08:57:17,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:17" (1/1) ... [2021-11-09 08:57:17,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:17" (1/1) ... [2021-11-09 08:57:17,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:17" (1/1) ... [2021-11-09 08:57:17,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:17" (1/1) ... [2021-11-09 08:57:17,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:17" (1/1) ... [2021-11-09 08:57:17,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:17" (1/1) ... [2021-11-09 08:57:17,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:57:17,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:57:17,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:57:17,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:57:17,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:17" (1/1) ... [2021-11-09 08:57:17,850 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:17,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:17,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:17,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-09 08:57:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 08:57:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 08:57:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:57:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 08:57:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:57:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:57:18,128 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:57:18,129 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-09 08:57:18,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:57:18 BoogieIcfgContainer [2021-11-09 08:57:18,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:57:18,132 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-09 08:57:18,132 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-09 08:57:18,139 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-09 08:57:18,140 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:57:18,140 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 08:57:17" (1/3) ... [2021-11-09 08:57:18,142 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6909ba86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 08:57:18, skipping insertion in model container [2021-11-09 08:57:18,142 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:57:18,142 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:17" (2/3) ... [2021-11-09 08:57:18,143 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6909ba86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 08:57:18, skipping insertion in model container [2021-11-09 08:57:18,143 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:57:18,143 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:57:18" (3/3) ... [2021-11-09 08:57:18,145 INFO L389 chiAutomizerObserver]: Analyzing ICFG add_last-alloca-1.i [2021-11-09 08:57:18,197 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-09 08:57:18,197 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-09 08:57:18,197 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-09 08:57:18,198 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-09 08:57:18,198 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-09 08:57:18,198 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-09 08:57:18,198 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-09 08:57:18,198 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-09 08:57:18,216 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:18,239 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-09 08:57:18,239 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:57:18,239 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:57:18,246 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-09 08:57:18,247 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-09 08:57:18,247 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-09 08:57:18,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:18,250 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-09 08:57:18,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:57:18,251 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:57:18,251 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-09 08:57:18,251 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-09 08:57:18,259 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet2, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~nondet5, main_#t~post4, main_~k~0, main_#t~mem8, main_#t~mem9, main_#t~post10.base, main_#t~post10.offset, main_#t~mem6, main_#t~mem7, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset, main_~a~0.base, main_~a~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 11#L515true assume !(main_~length~0 < 1 || main_~length~0 % 4294967296 >= 536870911); 8#L515-2true call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 14#L517true assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~a~0.base, main_~a~0.offset := main_~arr~0.base, main_~arr~0.offset;main_~k~0 := 0; 6#L520-3true [2021-11-09 08:57:18,260 INFO L793 eck$LassoCheckResult]: Loop: 6#L520-3true assume !!(main_~k~0 < main_~length~0);call write~int(main_#t~nondet5, main_~arr~0.base, main_~arr~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet5; 12#L520-2true main_#t~post4 := main_~k~0;main_~k~0 := 1 + main_#t~post4;havoc main_#t~post4; 6#L520-3true [2021-11-09 08:57:18,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:18,280 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2021-11-09 08:57:18,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:18,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103799505] [2021-11-09 08:57:18,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:18,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:57:18,485 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:57:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:57:18,564 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:57:18,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:18,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1667, now seen corresponding path program 1 times [2021-11-09 08:57:18,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:18,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730889152] [2021-11-09 08:57:18,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:18,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:57:18,608 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:57:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:57:18,632 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:57:18,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:18,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815563, now seen corresponding path program 1 times [2021-11-09 08:57:18,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:18,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296244104] [2021-11-09 08:57:18,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:18,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:57:18,668 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:57:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:57:18,710 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:57:19,198 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:57:19,199 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:57:19,200 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:57:19,200 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:57:19,200 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 08:57:19,200 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:19,200 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:57:19,201 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:57:19,201 INFO L133 ssoRankerPreferences]: Filename of dumped script: add_last-alloca-1.i_Iteration1_Lasso [2021-11-09 08:57:19,201 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:57:19,202 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:57:19,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:19,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:19,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:19,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:19,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:19,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:19,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:19,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:19,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:19,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:19,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:19,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:19,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:19,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:19,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:19,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:19,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:19,758 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:57:19,763 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 08:57:19,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:19,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:19,768 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:19,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:19,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:19,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:57:19,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:19,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:19,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:19,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:57:19,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:57:19,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-09 08:57:19,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:57:19,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:19,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:19,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:19,840 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:19,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-09 08:57:19,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:19,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:19,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:57:19,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:19,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:19,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:19,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:57:19,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:57:19,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:57:19,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:19,915 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:19,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:19,920 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:19,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:19,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:19,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:57:19,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:19,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:19,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:19,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:57:19,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:57:19,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-09 08:57:19,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:57:19,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:19,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:19,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:19,995 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:20,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:20,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:20,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:57:20,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:20,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:20,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:20,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:57:20,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:57:20,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-09 08:57:20,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:57:20,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:20,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:20,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:20,060 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:20,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-09 08:57:20,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:20,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:20,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:20,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:20,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:20,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:57:20,082 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:57:20,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:57:20,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:20,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:20,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:20,140 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:20,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:20,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-09 08:57:20,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:20,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:20,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:20,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:20,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:57:20,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:57:20,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:57:20,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:20,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:20,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:20,204 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:20,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-09 08:57:20,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:20,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:20,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:57:20,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:20,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:20,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:20,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:57:20,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:57:20,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:57:20,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:20,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:20,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:20,280 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:20,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:20,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:20,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:20,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:20,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:20,295 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:57:20,295 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:57:20,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-09 08:57:20,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:57:20,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:20,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:20,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:20,344 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:20,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:20,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-09 08:57:20,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:20,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:57:20,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:20,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:20,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:20,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:57:20,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:57:20,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:57:20,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:20,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:20,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:20,413 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:20,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-09 08:57:20,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:20,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:20,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:57:20,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:20,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:20,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:20,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:57:20,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:57:20,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:57:20,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:20,496 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:20,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:20,500 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:20,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:20,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-09 08:57:20,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:20,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:20,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:20,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:20,545 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:57:20,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:57:20,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:57:20,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:20,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:20,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:20,607 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:20,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:20,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-09 08:57:20,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:20,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:20,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:20,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:20,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:57:20,643 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:57:20,664 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 08:57:20,744 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-11-09 08:57:20,745 INFO L444 ModelExtractionUtils]: 7 out of 25 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-11-09 08:57:20,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:20,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:20,750 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:20,768 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 08:57:20,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-09 08:57:20,794 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-09 08:57:20,794 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 08:57:20,795 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0, ULTIMATE.start_main_~length~0) = -1*ULTIMATE.start_main_~k~0 + 1*ULTIMATE.start_main_~length~0 Supporting invariants [] [2021-11-09 08:57:20,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:20,892 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-11-09 08:57:20,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:20,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 08:57:20,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:57:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:20,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 08:57:20,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:57:21,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:21,031 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-09 08:57:21,032 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:21,098 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 41 transitions. Complement of second has 7 states. [2021-11-09 08:57:21,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-09 08:57:21,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:21,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2021-11-09 08:57:21,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 5 letters. Loop has 2 letters. [2021-11-09 08:57:21,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:57:21,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 7 letters. Loop has 2 letters. [2021-11-09 08:57:21,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:57:21,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 5 letters. Loop has 4 letters. [2021-11-09 08:57:21,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:57:21,108 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 41 transitions. [2021-11-09 08:57:21,115 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-09 08:57:21,119 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 11 states and 14 transitions. [2021-11-09 08:57:21,120 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-11-09 08:57:21,121 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-11-09 08:57:21,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2021-11-09 08:57:21,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:21,122 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-11-09 08:57:21,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2021-11-09 08:57:21,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-11-09 08:57:21,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:21,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2021-11-09 08:57:21,141 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-11-09 08:57:21,141 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-11-09 08:57:21,141 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-09 08:57:21,141 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2021-11-09 08:57:21,142 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-09 08:57:21,142 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:57:21,142 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:57:21,143 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-09 08:57:21,143 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-09 08:57:21,143 INFO L791 eck$LassoCheckResult]: Stem: 106#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 107#L-1 havoc main_#res;havoc main_#t~nondet2, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~nondet5, main_#t~post4, main_~k~0, main_#t~mem8, main_#t~mem9, main_#t~post10.base, main_#t~post10.offset, main_#t~mem6, main_#t~mem7, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset, main_~a~0.base, main_~a~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 113#L515 assume !(main_~length~0 < 1 || main_~length~0 % 4294967296 >= 536870911); 111#L515-2 call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 112#L517 assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~a~0.base, main_~a~0.offset := main_~arr~0.base, main_~arr~0.offset;main_~k~0 := 0; 108#L520-3 assume !(main_~k~0 < main_~length~0); 105#L525-2 [2021-11-09 08:57:21,144 INFO L793 eck$LassoCheckResult]: Loop: 105#L525-2 call main_#t~mem6 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem7 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~length~0 - 4, 4); 104#L525 assume !!(main_#t~mem6 != main_#t~mem7);havoc main_#t~mem6;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem9 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~length~0 - 4, 4);call write~int(main_#t~mem8 + main_#t~mem9, main_~a~0.base, main_~a~0.offset, 4);havoc main_#t~mem8;havoc main_#t~mem9;main_#t~post10.base, main_#t~post10.offset := main_~a~0.base, main_~a~0.offset;main_~a~0.base, main_~a~0.offset := main_#t~post10.base, 4 + main_#t~post10.offset;havoc main_#t~post10.base, main_#t~post10.offset; 105#L525-2 [2021-11-09 08:57:21,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:21,145 INFO L85 PathProgramCache]: Analyzing trace with hash 889568363, now seen corresponding path program 1 times [2021-11-09 08:57:21,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:21,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429261987] [2021-11-09 08:57:21,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:21,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:21,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:21,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:21,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429261987] [2021-11-09 08:57:21,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429261987] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:21,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:21,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:57:21,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403442679] [2021-11-09 08:57:21,262 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-09 08:57:21,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:21,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1958, now seen corresponding path program 1 times [2021-11-09 08:57:21,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:21,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179687469] [2021-11-09 08:57:21,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:21,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:57:21,276 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:57:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:57:21,286 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:57:21,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:21,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 08:57:21,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 08:57:21,381 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:21,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:57:21,413 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2021-11-09 08:57:21,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 08:57:21,415 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2021-11-09 08:57:21,417 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-09 08:57:21,418 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 13 transitions. [2021-11-09 08:57:21,418 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-11-09 08:57:21,418 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-11-09 08:57:21,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2021-11-09 08:57:21,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:21,419 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-11-09 08:57:21,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2021-11-09 08:57:21,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-11-09 08:57:21,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:21,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2021-11-09 08:57:21,421 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-11-09 08:57:21,422 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-11-09 08:57:21,422 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-09 08:57:21,422 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2021-11-09 08:57:21,425 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-09 08:57:21,425 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:57:21,425 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:57:21,426 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:57:21,427 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-09 08:57:21,427 INFO L791 eck$LassoCheckResult]: Stem: 134#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 135#L-1 havoc main_#res;havoc main_#t~nondet2, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~nondet5, main_#t~post4, main_~k~0, main_#t~mem8, main_#t~mem9, main_#t~post10.base, main_#t~post10.offset, main_#t~mem6, main_#t~mem7, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset, main_~a~0.base, main_~a~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 141#L515 assume !(main_~length~0 < 1 || main_~length~0 % 4294967296 >= 536870911); 139#L515-2 call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 140#L517 assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~a~0.base, main_~a~0.offset := main_~arr~0.base, main_~arr~0.offset;main_~k~0 := 0; 136#L520-3 assume !!(main_~k~0 < main_~length~0);call write~int(main_#t~nondet5, main_~arr~0.base, main_~arr~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet5; 137#L520-2 main_#t~post4 := main_~k~0;main_~k~0 := 1 + main_#t~post4;havoc main_#t~post4; 138#L520-3 assume !(main_~k~0 < main_~length~0); 133#L525-2 [2021-11-09 08:57:21,429 INFO L793 eck$LassoCheckResult]: Loop: 133#L525-2 call main_#t~mem6 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem7 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~length~0 - 4, 4); 132#L525 assume !!(main_#t~mem6 != main_#t~mem7);havoc main_#t~mem6;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem9 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~length~0 - 4, 4);call write~int(main_#t~mem8 + main_#t~mem9, main_~a~0.base, main_~a~0.offset, 4);havoc main_#t~mem8;havoc main_#t~mem9;main_#t~post10.base, main_#t~post10.offset := main_~a~0.base, main_~a~0.offset;main_~a~0.base, main_~a~0.offset := main_#t~post10.base, 4 + main_#t~post10.offset;havoc main_#t~post10.base, main_#t~post10.offset; 133#L525-2 [2021-11-09 08:57:21,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:21,430 INFO L85 PathProgramCache]: Analyzing trace with hash 176707625, now seen corresponding path program 1 times [2021-11-09 08:57:21,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:21,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861015925] [2021-11-09 08:57:21,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:21,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:57:21,474 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:57:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:57:21,504 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:57:21,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:21,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1958, now seen corresponding path program 2 times [2021-11-09 08:57:21,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:21,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035342948] [2021-11-09 08:57:21,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:21,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:57:21,521 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:57:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:57:21,535 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:57:21,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:21,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1982663218, now seen corresponding path program 1 times [2021-11-09 08:57:21,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:21,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272879784] [2021-11-09 08:57:21,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:21,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:21,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:22,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:22,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:22,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272879784] [2021-11-09 08:57:22,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272879784] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 08:57:22,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118847871] [2021-11-09 08:57:22,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:22,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 08:57:22,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:22,094 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 08:57:22,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-09 08:57:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:22,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-09 08:57:22,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:57:22,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-09 08:57:22,422 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-09 08:57:22,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 18 [2021-11-09 08:57:22,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:22,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118847871] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 08:57:22,434 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 08:57:22,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 12 [2021-11-09 08:57:22,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458057457] [2021-11-09 08:57:22,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:22,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-09 08:57:22,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2021-11-09 08:57:22,519 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:22,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:57:22,658 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2021-11-09 08:57:22,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-09 08:57:22,658 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2021-11-09 08:57:22,659 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-09 08:57:22,660 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 15 transitions. [2021-11-09 08:57:22,660 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-11-09 08:57:22,660 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-11-09 08:57:22,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 15 transitions. [2021-11-09 08:57:22,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:22,660 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2021-11-09 08:57:22,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 15 transitions. [2021-11-09 08:57:22,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2021-11-09 08:57:22,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:22,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2021-11-09 08:57:22,662 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2021-11-09 08:57:22,662 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 14 transitions. [2021-11-09 08:57:22,662 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-09 08:57:22,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 14 transitions. [2021-11-09 08:57:22,663 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-09 08:57:22,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:57:22,663 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:57:22,663 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-11-09 08:57:22,663 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-09 08:57:22,664 INFO L791 eck$LassoCheckResult]: Stem: 208#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 209#L-1 havoc main_#res;havoc main_#t~nondet2, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~nondet5, main_#t~post4, main_~k~0, main_#t~mem8, main_#t~mem9, main_#t~post10.base, main_#t~post10.offset, main_#t~mem6, main_#t~mem7, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset, main_~a~0.base, main_~a~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 216#L515 assume !(main_~length~0 < 1 || main_~length~0 % 4294967296 >= 536870911); 214#L515-2 call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; 215#L517 assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~a~0.base, main_~a~0.offset := main_~arr~0.base, main_~arr~0.offset;main_~k~0 := 0; 210#L520-3 assume !!(main_~k~0 < main_~length~0);call write~int(main_#t~nondet5, main_~arr~0.base, main_~arr~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet5; 211#L520-2 main_#t~post4 := main_~k~0;main_~k~0 := 1 + main_#t~post4;havoc main_#t~post4; 212#L520-3 assume !!(main_~k~0 < main_~length~0);call write~int(main_#t~nondet5, main_~arr~0.base, main_~arr~0.offset + 4 * main_~k~0, 4);havoc main_#t~nondet5; 213#L520-2 main_#t~post4 := main_~k~0;main_~k~0 := 1 + main_#t~post4;havoc main_#t~post4; 217#L520-3 assume !(main_~k~0 < main_~length~0); 207#L525-2 [2021-11-09 08:57:22,664 INFO L793 eck$LassoCheckResult]: Loop: 207#L525-2 call main_#t~mem6 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem7 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~length~0 - 4, 4); 206#L525 assume !!(main_#t~mem6 != main_#t~mem7);havoc main_#t~mem6;havoc main_#t~mem7;call main_#t~mem8 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem9 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * main_~length~0 - 4, 4);call write~int(main_#t~mem8 + main_#t~mem9, main_~a~0.base, main_~a~0.offset, 4);havoc main_#t~mem8;havoc main_#t~mem9;main_#t~post10.base, main_#t~post10.offset := main_~a~0.base, main_~a~0.offset;main_~a~0.base, main_~a~0.offset := main_#t~post10.base, 4 + main_#t~post10.offset;havoc main_#t~post10.base, main_#t~post10.offset; 207#L525-2 [2021-11-09 08:57:22,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:22,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1982661529, now seen corresponding path program 2 times [2021-11-09 08:57:22,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:22,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059815330] [2021-11-09 08:57:22,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:22,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:57:22,676 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:57:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:57:22,689 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:57:22,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:22,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1958, now seen corresponding path program 3 times [2021-11-09 08:57:22,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:22,690 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128892223] [2021-11-09 08:57:22,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:22,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:57:22,696 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:57:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:57:22,701 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:57:22,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:22,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1627751052, now seen corresponding path program 2 times [2021-11-09 08:57:22,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:22,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413849177] [2021-11-09 08:57:22,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:22,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:57:22,722 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:57:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:57:22,754 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:57:23,190 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:57:23,190 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:57:23,190 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:57:23,190 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:57:23,190 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 08:57:23,190 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:23,190 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:57:23,190 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:57:23,191 INFO L133 ssoRankerPreferences]: Filename of dumped script: add_last-alloca-1.i_Iteration4_Lasso [2021-11-09 08:57:23,191 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:57:23,191 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:57:23,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:23,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:23,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:23,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:23,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:23,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:23,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:23,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:23,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:23,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:23,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:23,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:23,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:23,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:23,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:23,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:23,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:23,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:57:23,763 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:57:23,768 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 08:57:23,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:23,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:23,772 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:23,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:23,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:23,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:57:23,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:23,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:23,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:23,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:57:23,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:57:23,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-09 08:57:23,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:57:23,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:23,864 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:23,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:23,865 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:23,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:23,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:23,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:57:23,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:23,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:23,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:23,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:57:23,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:57:23,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-09 08:57:23,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:57:23,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:23,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:23,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:23,932 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:23,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:23,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:23,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:23,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:23,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:23,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:57:23,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:57:23,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-09 08:57:23,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:57:24,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:24,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:24,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:24,010 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:24,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:24,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:24,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:57:24,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:24,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:24,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:24,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:57:24,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:57:24,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-09 08:57:24,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:57:24,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:24,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:24,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:24,072 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:24,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-09 08:57:24,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:24,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:24,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:24,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:24,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:24,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:57:24,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:57:24,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:57:24,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:24,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:24,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:24,135 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:24,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:24,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:24,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:57:24,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:24,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:24,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:24,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:57:24,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:57:24,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-09 08:57:24,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:57:24,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:24,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:24,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:24,205 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:24,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:24,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:24,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:57:24,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:24,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:24,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:24,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:57:24,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:57:24,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-09 08:57:24,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:57:24,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:24,268 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:24,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:24,269 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:24,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:24,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-09 08:57:24,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:24,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:24,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:24,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:24,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:57:24,281 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:57:24,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:57:24,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-11-09 08:57:24,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:24,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:24,323 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:24,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:24,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-09 08:57:24,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:24,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:57:24,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:24,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:24,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:24,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:57:24,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:57:24,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:57:24,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:24,378 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:24,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:24,378 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:24,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-09 08:57:24,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:24,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:24,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 08:57:24,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:24,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:24,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:24,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 08:57:24,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 08:57:24,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:57:24,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-11-09 08:57:24,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:24,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:24,409 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:24,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-09 08:57:24,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:24,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:24,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:24,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:24,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:24,425 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:57:24,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:57:24,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-09 08:57:24,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:24,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:24,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:24,485 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:24,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-09 08:57:24,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 08:57:24,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 08:57:24,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 08:57:24,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 08:57:24,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-09 08:57:24,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-09 08:57:24,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-09 08:57:24,521 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 08:57:24,551 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-11-09 08:57:24,551 INFO L444 ModelExtractionUtils]: 4 out of 28 variables were initially zero. Simplification set additionally 21 variables to zero. [2021-11-09 08:57:24,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:57:24,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:24,553 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:24,560 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 08:57:24,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-09 08:57:24,592 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-09 08:57:24,592 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 08:57:24,592 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0.offset, v_rep(select #length ULTIMATE.start_main_~arr~0.base)_2) = -1*ULTIMATE.start_main_~a~0.offset + 1*v_rep(select #length ULTIMATE.start_main_~arr~0.base)_2 Supporting invariants [] [2021-11-09 08:57:24,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-09 08:57:24,634 INFO L297 tatePredicateManager]: 4 out of 6 supporting invariants were superfluous and have been removed [2021-11-09 08:57:24,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:24,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-09 08:57:24,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:57:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:24,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-09 08:57:24,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:57:24,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:24,801 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-11-09 08:57:24,802 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:24,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-11-09 08:57:24,875 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 14 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 17 transitions. Complement of second has 6 states. [2021-11-09 08:57:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-09 08:57:24,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:24,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2021-11-09 08:57:24,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2021-11-09 08:57:24,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:57:24,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 12 letters. Loop has 2 letters. [2021-11-09 08:57:24,877 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:57:24,877 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2021-11-09 08:57:24,877 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 08:57:24,877 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2021-11-09 08:57:24,880 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 08:57:24,880 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2021-11-09 08:57:24,880 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-09 08:57:24,880 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-09 08:57:24,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-09 08:57:24,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:24,881 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 08:57:24,881 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 08:57:24,881 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 08:57:24,881 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-09 08:57:24,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-09 08:57:24,881 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 08:57:24,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-09 08:57:24,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 08:57:24 BoogieIcfgContainer [2021-11-09 08:57:24,888 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-09 08:57:24,888 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 08:57:24,889 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 08:57:24,889 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 08:57:24,889 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:57:18" (3/4) ... [2021-11-09 08:57:24,893 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 08:57:24,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 08:57:24,899 INFO L168 Benchmark]: Toolchain (without parser) took 7714.00 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 66.8 MB in the beginning and 97.7 MB in the end (delta: -30.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:57:24,900 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 107.0 MB. Free memory was 84.8 MB in the beginning and 84.7 MB in the end (delta: 62.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:57:24,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 525.74 ms. Allocated memory is still 107.0 MB. Free memory was 66.6 MB in the beginning and 77.2 MB in the end (delta: -10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-09 08:57:24,901 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.18 ms. Allocated memory is still 107.0 MB. Free memory was 77.2 MB in the beginning and 75.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 08:57:24,901 INFO L168 Benchmark]: Boogie Preprocessor took 48.65 ms. Allocated memory is still 107.0 MB. Free memory was 75.3 MB in the beginning and 74.3 MB in the end (delta: 994.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:57:24,901 INFO L168 Benchmark]: RCFGBuilder took 291.05 ms. Allocated memory is still 107.0 MB. Free memory was 74.3 MB in the beginning and 64.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-09 08:57:24,902 INFO L168 Benchmark]: BuchiAutomizer took 6755.75 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 64.0 MB in the beginning and 98.7 MB in the end (delta: -34.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:57:24,902 INFO L168 Benchmark]: Witness Printer took 4.57 ms. Allocated memory is still 130.0 MB. Free memory was 98.7 MB in the beginning and 97.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:57:24,904 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 107.0 MB. Free memory was 84.8 MB in the beginning and 84.7 MB in the end (delta: 62.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 525.74 ms. Allocated memory is still 107.0 MB. Free memory was 66.6 MB in the beginning and 77.2 MB in the end (delta: -10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.18 ms. Allocated memory is still 107.0 MB. Free memory was 77.2 MB in the beginning and 75.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.65 ms. Allocated memory is still 107.0 MB. Free memory was 75.3 MB in the beginning and 74.3 MB in the end (delta: 994.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 291.05 ms. Allocated memory is still 107.0 MB. Free memory was 74.3 MB in the beginning and 64.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6755.75 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 64.0 MB in the beginning and 98.7 MB in the end (delta: -34.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.57 ms. Allocated memory is still 130.0 MB. Free memory was 98.7 MB in the beginning and 97.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length + -1 * k and consists of 5 locations. One deterministic module has affine ranking function -1 * a + unknown-#length-unknown[arr] and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 13 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.7s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 5.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 29 SDtfs, 61 SDslu, 19 SDs, 0 SdLazy, 105 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital144 mio100 ax113 hnf99 lsp84 ukn78 mio100 lsp61 div133 bol100 ite100 ukn100 eq163 hnf80 smp98 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-09 08:57:24,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-09 08:57:25,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69785786-998e-4116-8c97-613061aa7b35/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE