./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.03-no-inv_assume-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.03-no-inv_assume-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b72fdbcf4106a2c9e0e7bb38e5b48a5a42fbfd030e4e4dc43ee6290ba06c6869 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:10:02,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:10:02,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:10:02,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:10:02,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:10:02,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:10:02,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:10:02,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:10:02,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:10:02,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:10:02,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:10:02,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:10:02,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:10:02,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:10:02,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:10:02,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:10:02,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:10:02,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:10:02,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:10:02,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:10:02,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:10:02,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:10:02,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:10:02,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:10:02,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:10:02,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:10:02,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:10:02,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:10:02,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:10:02,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:10:02,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:10:02,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:10:02,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:10:02,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:10:02,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:10:02,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:10:02,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:10:02,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:10:02,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:10:02,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:10:02,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:10:02,766 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 07:10:02,791 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:10:02,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:10:02,791 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:10:02,792 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:10:02,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:10:02,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:10:02,793 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:10:02,793 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 07:10:02,794 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 07:10:02,794 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 07:10:02,794 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 07:10:02,794 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 07:10:02,794 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 07:10:02,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:10:02,795 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:10:02,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:10:02,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:10:02,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 07:10:02,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 07:10:02,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 07:10:02,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:10:02,796 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 07:10:02,796 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:10:02,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 07:10:02,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:10:02,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:10:02,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:10:02,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:10:02,798 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:10:02,799 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 07:10:02,799 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_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b72fdbcf4106a2c9e0e7bb38e5b48a5a42fbfd030e4e4dc43ee6290ba06c6869 [2021-11-20 07:10:03,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:10:03,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:10:03,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:10:03,131 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:10:03,132 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:10:03,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-memory-alloca/b.03-no-inv_assume-alloca.i [2021-11-20 07:10:03,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/data/822fcc526/6d91ef3a30844f15b2896609157a88ad/FLAGb6625ce00 [2021-11-20 07:10:03,757 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:10:03,757 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/sv-benchmarks/c/termination-memory-alloca/b.03-no-inv_assume-alloca.i [2021-11-20 07:10:03,780 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/data/822fcc526/6d91ef3a30844f15b2896609157a88ad/FLAGb6625ce00 [2021-11-20 07:10:04,087 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/data/822fcc526/6d91ef3a30844f15b2896609157a88ad [2021-11-20 07:10:04,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:10:04,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:10:04,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:10:04,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:10:04,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:10:04,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:10:04" (1/1) ... [2021-11-20 07:10:04,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d5512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:04, skipping insertion in model container [2021-11-20 07:10:04,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:10:04" (1/1) ... [2021-11-20 07:10:04,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:10:04,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:10:04,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:10:04,452 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:10:04,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:10:04,538 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:10:04,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:04 WrapperNode [2021-11-20 07:10:04,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:10:04,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:10:04,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:10:04,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:10:04,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:04" (1/1) ... [2021-11-20 07:10:04,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:04" (1/1) ... [2021-11-20 07:10:04,583 INFO L137 Inliner]: procedures = 111, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2021-11-20 07:10:04,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:10:04,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:10:04,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:10:04,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:10:04,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:04" (1/1) ... [2021-11-20 07:10:04,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:04" (1/1) ... [2021-11-20 07:10:04,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:04" (1/1) ... [2021-11-20 07:10:04,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:04" (1/1) ... [2021-11-20 07:10:04,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:04" (1/1) ... [2021-11-20 07:10:04,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:04" (1/1) ... [2021-11-20 07:10:04,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:04" (1/1) ... [2021-11-20 07:10:04,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:10:04,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:10:04,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:10:04,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:10:04,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:04" (1/1) ... [2021-11-20 07:10:04,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:04,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:10:04,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:10:04,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 07:10:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:10:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:10:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:10:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:10:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:10:04,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:10:04,790 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:10:04,792 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:10:04,932 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:10:04,951 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:10:04,951 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 07:10:04,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:10:04 BoogieIcfgContainer [2021-11-20 07:10:04,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:10:04,954 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 07:10:04,955 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 07:10:04,958 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 07:10:04,959 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:10:04,959 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 07:10:04" (1/3) ... [2021-11-20 07:10:04,976 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23352961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:10:04, skipping insertion in model container [2021-11-20 07:10:04,976 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:10:04,977 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:10:04" (2/3) ... [2021-11-20 07:10:04,977 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23352961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:10:04, skipping insertion in model container [2021-11-20 07:10:04,977 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:10:04,977 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:10:04" (3/3) ... [2021-11-20 07:10:04,979 INFO L388 chiAutomizerObserver]: Analyzing ICFG b.03-no-inv_assume-alloca.i [2021-11-20 07:10:05,072 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 07:10:05,073 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 07:10:05,073 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 07:10:05,073 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 07:10:05,073 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 07:10:05,074 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 07:10:05,074 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 07:10:05,074 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 07:10:05,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:10:05,124 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 07:10:05,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:10:05,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:10:05,131 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 07:10:05,131 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 07:10:05,131 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 07:10:05,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:10:05,134 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 07:10:05,134 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:10:05,134 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:10:05,135 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 07:10:05,135 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 07:10:05,142 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem9#1, test_fun_#t~mem8#1, test_fun_#t~short10#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 5#L553true assume !(test_fun_#t~mem4#1 <= 0);havoc test_fun_#t~mem4#1; 3#L556-5true [2021-11-20 07:10:05,143 INFO L793 eck$LassoCheckResult]: Loop: 3#L556-5true call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 > test_fun_#t~mem7#1; 9#L556-1true assume !test_fun_#t~short10#1; 8#L556-3true assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~short10#1;call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem11#1 + test_fun_#t~mem12#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1; 3#L556-5true [2021-11-20 07:10:05,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:10:05,148 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-20 07:10:05,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:10:05,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263130806] [2021-11-20 07:10:05,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:10:05,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:10:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:10:05,351 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:10:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:10:05,438 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:10:05,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:10:05,441 INFO L85 PathProgramCache]: Analyzing trace with hash 41873, now seen corresponding path program 1 times [2021-11-20 07:10:05,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:10:05,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793331629] [2021-11-20 07:10:05,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:10:05,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:10:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:05,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:10:05,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:10:05,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793331629] [2021-11-20 07:10:05,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793331629] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:10:05,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:10:05,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:10:05,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198491918] [2021-11-20 07:10:05,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:10:05,529 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-20 07:10:05,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:10:05,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:10:05,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:10:05,565 INFO L87 Difference]: Start difference. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:10:05,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:10:05,589 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2021-11-20 07:10:05,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:10:05,596 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2021-11-20 07:10:05,598 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 07:10:05,601 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 6 states and 6 transitions. [2021-11-20 07:10:05,603 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-11-20 07:10:05,603 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-11-20 07:10:05,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2021-11-20 07:10:05,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:10:05,604 INFO L681 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-11-20 07:10:05,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2021-11-20 07:10:05,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2021-11-20 07:10:05,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.0) internal successors, (6), 5 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) [2021-11-20 07:10:05,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2021-11-20 07:10:05,632 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-11-20 07:10:05,632 INFO L587 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-11-20 07:10:05,633 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 07:10:05,633 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2021-11-20 07:10:05,633 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 07:10:05,634 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:10:05,634 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:10:05,634 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 07:10:05,634 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 07:10:05,635 INFO L791 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 36#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem9#1, test_fun_#t~mem8#1, test_fun_#t~short10#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 34#L553 assume !(test_fun_#t~mem4#1 <= 0);havoc test_fun_#t~mem4#1; 32#L556-5 [2021-11-20 07:10:05,635 INFO L793 eck$LassoCheckResult]: Loop: 32#L556-5 call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 > test_fun_#t~mem7#1; 33#L556-1 assume test_fun_#t~short10#1;call test_fun_#t~mem9#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem9#1 <= 2147483647 - test_fun_#t~mem8#1; 37#L556-3 assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~short10#1;call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem11#1 + test_fun_#t~mem12#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1; 32#L556-5 [2021-11-20 07:10:05,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:10:05,636 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2021-11-20 07:10:05,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:10:05,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876195451] [2021-11-20 07:10:05,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:10:05,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:10:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:10:05,656 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:10:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:10:05,688 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:10:05,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:10:05,689 INFO L85 PathProgramCache]: Analyzing trace with hash 41811, now seen corresponding path program 1 times [2021-11-20 07:10:05,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:10:05,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689225831] [2021-11-20 07:10:05,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:10:05,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:10:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:10:05,719 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:10:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:10:05,752 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:10:05,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:10:05,753 INFO L85 PathProgramCache]: Analyzing trace with hash 889571280, now seen corresponding path program 1 times [2021-11-20 07:10:05,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:10:05,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143941850] [2021-11-20 07:10:05,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:10:05,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:10:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:10:05,778 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:10:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:10:05,810 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:10:06,613 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:10:06,614 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:10:06,614 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:10:06,614 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:10:06,614 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:10:06,614 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:06,615 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:10:06,615 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:10:06,615 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.03-no-inv_assume-alloca.i_Iteration2_Lasso [2021-11-20 07:10:06,615 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:10:06,615 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:10:06,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:10:06,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:10:06,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:10:06,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:10:06,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:10:06,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:10:06,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:10:06,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:10:06,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:10:06,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:10:06,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:10:06,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:10:06,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:10:06,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:10:06,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:10:06,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:10:06,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:10:06,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:10:06,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:10:07,358 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:10:07,362 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:10:07,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:07,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:10:07,366 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:10:07,376 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 [2021-11-20 07:10:07,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:10:07,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:10:07,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:10:07,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:10:07,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:10:07,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:10:07,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:10:07,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 07:10:07,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:10:07,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:10:07,445 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:07,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:10:07,446 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:10:07,459 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 [2021-11-20 07:10:07,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:10:07,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:10:07,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:10:07,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:10:07,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:10:07,482 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:10:07,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:10:07,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 07:10:07,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:10:07,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:10:07,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:07,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:10:07,534 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:10:07,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 07:10:07,540 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 [2021-11-20 07:10:07,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:10:07,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:10:07,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:10:07,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:10:07,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:10:07,554 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:10:07,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:10:07,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:10:07,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:10:07,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:07,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:10:07,605 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:10:07,611 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 [2021-11-20 07:10:07,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:10:07,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:10:07,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:10:07,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:10:07,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:10:07,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:10:07,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:10:07,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 07:10:07,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:10:07,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:10:07,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:07,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:10:07,667 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:10:07,675 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 [2021-11-20 07:10:07,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:10:07,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:10:07,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:10:07,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:10:07,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:10:07,692 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:10:07,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 07:10:07,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:10:07,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:10:07,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:07,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:10:07,733 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:10:07,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 07:10:07,735 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 [2021-11-20 07:10:07,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:10:07,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:10:07,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:10:07,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:10:07,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:10:07,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:10:07,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:10:07,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:10:07,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:10:07,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:07,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:10:07,768 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:10:07,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 07:10:07,772 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 [2021-11-20 07:10:07,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:10:07,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:10:07,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:10:07,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:10:07,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:10:07,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:10:07,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:10:07,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:10:07,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 07:10:07,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:07,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:10:07,821 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:10:07,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 07:10:07,825 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 [2021-11-20 07:10:07,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:10:07,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:10:07,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:10:07,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:10:07,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:10:07,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:10:07,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:10:07,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:10:07,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-11-20 07:10:07,861 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:07,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:10:07,866 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:10:07,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 07:10:07,867 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 [2021-11-20 07:10:07,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:10:07,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:10:07,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:10:07,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:10:07,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:10:07,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:10:07,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:10:07,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 07:10:07,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:07,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:10:07,909 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:10:07,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 07:10:07,913 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 [2021-11-20 07:10:07,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:10:07,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:10:07,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:10:07,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:10:07,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:10:07,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:10:07,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:10:07,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 07:10:07,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:07,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:10:07,966 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:10:07,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 07:10:07,967 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 [2021-11-20 07:10:07,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:10:07,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:10:07,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:10:07,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:10:07,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:10:07,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:10:07,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:10:07,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:10:08,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 07:10:08,012 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:08,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:10:08,013 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:10:08,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 07:10:08,015 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 [2021-11-20 07:10:08,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:10:08,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:10:08,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:10:08,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:10:08,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:10:08,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:10:08,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:10:08,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:10:08,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 07:10:08,068 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:08,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:10:08,069 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:10:08,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 07:10:08,070 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 [2021-11-20 07:10:08,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:10:08,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:10:08,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:10:08,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:10:08,082 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:10:08,082 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:10:08,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:10:08,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 07:10:08,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:08,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:10:08,160 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:10:08,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 07:10:08,162 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 [2021-11-20 07:10:08,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:10:08,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:10:08,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:10:08,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:10:08,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:10:08,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:10:08,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:10:08,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:10:08,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 07:10:08,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:08,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:10:08,198 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:10:08,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 07:10:08,201 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 [2021-11-20 07:10:08,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:10:08,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:10:08,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:10:08,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:10:08,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:10:08,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:10:08,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:10:08,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:10:08,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-11-20 07:10:08,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:08,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:10:08,230 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:10:08,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 07:10:08,232 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 [2021-11-20 07:10:08,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:10:08,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:10:08,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:10:08,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:10:08,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:10:08,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:10:08,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:10:08,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 07:10:08,292 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:08,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:10:08,296 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:10:08,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 07:10:08,298 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 [2021-11-20 07:10:08,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:10:08,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:10:08,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:10:08,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:10:08,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:10:08,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:10:08,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:10:08,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 07:10:08,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:08,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:10:08,359 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:10:08,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 07:10:08,364 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 [2021-11-20 07:10:08,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:10:08,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:10:08,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:10:08,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:10:08,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:10:08,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:10:08,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:10:08,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 07:10:08,456 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:08,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:10:08,457 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:10:08,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 07:10:08,467 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 [2021-11-20 07:10:08,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:10:08,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:10:08,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:10:08,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:10:08,485 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:10:08,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:10:08,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:10:08,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 07:10:08,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:08,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:10:08,543 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:10:08,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 07:10:08,558 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 [2021-11-20 07:10:08,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:10:08,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:10:08,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:10:08,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:10:08,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:10:08,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:10:08,595 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 07:10:08,650 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-11-20 07:10:08,650 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-11-20 07:10:08,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:10:08,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:10:08,656 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:10:08,699 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 07:10:08,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 07:10:08,731 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-20 07:10:08,732 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 07:10:08,732 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1) = 2147483647*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 - 2147483648*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 - 1 >= 0] [2021-11-20 07:10:08,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 07:10:08,827 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2021-11-20 07:10:08,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:10:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:08,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:10:08,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:10:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:10:08,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-20 07:10:08,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:10:09,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:10:09,185 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-11-20 07:10:09,185 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1 Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2021-11-20 07:10:09,302 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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) Result 9 states and 10 transitions. Complement of second has 7 states. [2021-11-20 07:10:09,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 07:10:09,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 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) [2021-11-20 07:10:09,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2021-11-20 07:10:09,305 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 3 letters. [2021-11-20 07:10:09,305 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:10:09,306 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 6 letters. Loop has 3 letters. [2021-11-20 07:10:09,306 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:10:09,306 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 6 letters. [2021-11-20 07:10:09,306 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:10:09,307 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2021-11-20 07:10:09,308 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 07:10:09,312 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2021-11-20 07:10:09,312 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 07:10:09,312 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 07:10:09,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 07:10:09,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:10:09,312 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:10:09,313 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:10:09,313 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:10:09,313 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 07:10:09,313 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 07:10:09,313 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 07:10:09,313 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 07:10:09,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 07:10:09 BoogieIcfgContainer [2021-11-20 07:10:09,330 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 07:10:09,330 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:10:09,330 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:10:09,331 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:10:09,331 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:10:04" (3/4) ... [2021-11-20 07:10:09,337 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 07:10:09,337 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:10:09,342 INFO L158 Benchmark]: Toolchain (without parser) took 5243.42ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 73.9MB in the beginning and 104.7MB in the end (delta: -30.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:10:09,343 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory was 62.4MB in the beginning and 62.3MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:10:09,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 07:10:09,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.64ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 73.6MB in the beginning and 105.5MB in the end (delta: -32.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:10:09,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.19ms. Allocated memory is still 136.3MB. Free memory was 105.5MB in the beginning and 103.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:10:09,348 INFO L158 Benchmark]: Boogie Preprocessor took 24.73ms. Allocated memory is still 136.3MB. Free memory was 103.5MB in the beginning and 102.8MB in the end (delta: 731.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:10:09,348 INFO L158 Benchmark]: RCFGBuilder took 343.68ms. Allocated memory is still 136.3MB. Free memory was 102.8MB in the beginning and 91.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 07:10:09,353 INFO L158 Benchmark]: BuchiAutomizer took 4375.25ms. Allocated memory is still 136.3MB. Free memory was 91.7MB in the beginning and 105.8MB in the end (delta: -14.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:10:09,354 INFO L158 Benchmark]: Witness Printer took 6.64ms. Allocated memory is still 136.3MB. Free memory was 104.7MB in the beginning and 104.7MB in the end (delta: 53.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:10:09,358 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory was 62.4MB in the beginning and 62.3MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.64ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 73.6MB in the beginning and 105.5MB in the end (delta: -32.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.19ms. Allocated memory is still 136.3MB. Free memory was 105.5MB in the beginning and 103.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.73ms. Allocated memory is still 136.3MB. Free memory was 103.5MB in the beginning and 102.8MB in the end (delta: 731.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 343.68ms. Allocated memory is still 136.3MB. Free memory was 102.8MB in the beginning and 91.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4375.25ms. Allocated memory is still 136.3MB. Free memory was 91.7MB in the beginning and 105.8MB in the end (delta: -14.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.64ms. Allocated memory is still 136.3MB. Free memory was 104.7MB in the beginning and 104.7MB in the end (delta: 53.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2147483648 * unknown-#memory_int-unknown[y_ref][y_ref] + 2147483647 * unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 14 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital199 mio100 ax109 hnf100 lsp88 ukn73 mio100 lsp37 div100 bol100 ite100 ukn100 eq175 hnf89 smp96 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms 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! [2021-11-20 07:10:09,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_091916d3-99c8-4051-829e-48fb506d0302/bin/uautomizer-DQz5hQGWxF/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