./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/lis-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/lis-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN --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 4073cc5fe0afdc3910807054eaaf7f0047f472ba2d7a571a291a999e2fa35b78 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:26:17,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:26:17,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:26:17,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:26:17,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:26:17,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:26:17,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:26:17,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:26:17,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:26:17,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:26:17,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:26:17,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:26:17,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:26:17,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:26:17,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:26:17,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:26:17,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:26:17,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:26:17,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:26:17,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:26:17,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:26:17,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:26:17,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:26:17,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:26:17,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:26:17,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:26:17,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:26:17,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:26:17,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:26:17,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:26:17,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:26:17,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:26:17,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:26:17,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:26:17,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:26:17,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:26:17,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:26:17,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:26:17,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:26:17,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:26:17,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:26:17,637 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 12:26:17,689 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:26:17,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:26:17,691 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:26:17,692 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:26:17,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:26:17,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:26:17,694 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:26:17,694 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 12:26:17,695 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 12:26:17,695 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 12:26:17,696 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 12:26:17,696 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 12:26:17,697 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 12:26:17,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:26:17,697 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:26:17,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:26:17,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:26:17,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 12:26:17,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 12:26:17,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 12:26:17,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:26:17,699 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 12:26:17,699 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:26:17,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 12:26:17,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:26:17,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:26:17,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:26:17,701 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:26:17,702 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 12:26:17,702 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_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4073cc5fe0afdc3910807054eaaf7f0047f472ba2d7a571a291a999e2fa35b78 [2022-11-20 12:26:18,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:26:18,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:26:18,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:26:18,102 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:26:18,102 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:26:18,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-memory-alloca/lis-alloca-2.i [2022-11-20 12:26:21,714 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:26:22,069 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:26:22,070 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/sv-benchmarks/c/termination-memory-alloca/lis-alloca-2.i [2022-11-20 12:26:22,088 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/data/dd1c023ab/521896ff77b7483a940473d76a1d07df/FLAGfc920714b [2022-11-20 12:26:22,110 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/data/dd1c023ab/521896ff77b7483a940473d76a1d07df [2022-11-20 12:26:22,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:26:22,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:26:22,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:26:22,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:26:22,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:26:22,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:26:22" (1/1) ... [2022-11-20 12:26:22,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@678bf7ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:22, skipping insertion in model container [2022-11-20 12:26:22,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:26:22" (1/1) ... [2022-11-20 12:26:22,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:26:22,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:26:22,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:26:22,512 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:26:22,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:26:22,600 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:26:22,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:22 WrapperNode [2022-11-20 12:26:22,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:26:22,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:26:22,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:26:22,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:26:22,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:22" (1/1) ... [2022-11-20 12:26:22,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:22" (1/1) ... [2022-11-20 12:26:22,652 INFO L138 Inliner]: procedures = 111, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2022-11-20 12:26:22,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:26:22,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:26:22,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:26:22,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:26:22,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:22" (1/1) ... [2022-11-20 12:26:22,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:22" (1/1) ... [2022-11-20 12:26:22,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:22" (1/1) ... [2022-11-20 12:26:22,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:22" (1/1) ... [2022-11-20 12:26:22,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:22" (1/1) ... [2022-11-20 12:26:22,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:22" (1/1) ... [2022-11-20 12:26:22,681 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:22" (1/1) ... [2022-11-20 12:26:22,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:22" (1/1) ... [2022-11-20 12:26:22,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:26:22,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:26:22,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:26:22,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:26:22,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:22" (1/1) ... [2022-11-20 12:26:22,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:22,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:22,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:22,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 12:26:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:26:22,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:26:22,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:26:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:26:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:26:22,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:26:22,983 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:26:22,986 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:26:23,258 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:26:23,265 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:26:23,265 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 12:26:23,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:26:23 BoogieIcfgContainer [2022-11-20 12:26:23,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:26:23,269 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 12:26:23,269 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 12:26:23,273 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 12:26:23,274 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:26:23,275 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:26:22" (1/3) ... [2022-11-20 12:26:23,276 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c4f933a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:26:23, skipping insertion in model container [2022-11-20 12:26:23,276 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:26:23,276 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:26:22" (2/3) ... [2022-11-20 12:26:23,277 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c4f933a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:26:23, skipping insertion in model container [2022-11-20 12:26:23,277 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:26:23,277 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:26:23" (3/3) ... [2022-11-20 12:26:23,279 INFO L332 chiAutomizerObserver]: Analyzing ICFG lis-alloca-2.i [2022-11-20 12:26:23,344 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 12:26:23,344 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 12:26:23,344 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 12:26:23,344 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 12:26:23,344 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 12:26:23,345 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 12:26:23,345 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 12:26:23,345 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 12:26:23,350 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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) [2022-11-20 12:26:23,372 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2022-11-20 12:26:23,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:26:23,372 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:26:23,379 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 12:26:23,379 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:26:23,379 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 12:26:23,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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) [2022-11-20 12:26:23,382 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2022-11-20 12:26:23,382 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:26:23,382 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:26:23,383 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 12:26:23,383 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:26:23,392 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 15#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 4#L565true assume !(main_~array_size~0#1 < 1); 19#L565-2true call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 6#L552-3true [2022-11-20 12:26:23,392 INFO L750 eck$LassoCheckResult]: Loop: 6#L552-3true assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 17#L552-2true lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 6#L552-3true [2022-11-20 12:26:23,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:23,400 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-11-20 12:26:23,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:23,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705233082] [2022-11-20 12:26:23,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:23,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:23,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:23,604 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:23,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:23,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2022-11-20 12:26:23,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:23,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985139190] [2022-11-20 12:26:23,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:23,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:23,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:23,639 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:23,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:23,642 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2022-11-20 12:26:23,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:23,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041285491] [2022-11-20 12:26:23,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:23,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:23,684 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:23,714 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:24,874 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:26:24,875 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:26:24,875 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:26:24,875 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:26:24,875 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:26:24,875 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:24,876 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:26:24,876 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:26:24,876 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration1_Lasso [2022-11-20 12:26:24,876 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:26:24,876 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:26:24,910 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:24,922 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:24,926 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:24,929 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:24,935 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:24,940 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:24,948 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:24,952 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:24,955 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:24,960 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:24,964 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:24,967 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:24,970 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:24,973 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:24,976 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:24,981 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:24,985 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:24,996 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:24,999 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:25,003 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:25,006 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:25,009 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:25,012 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:25,631 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:25,641 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:26,433 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:26:26,438 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:26:26,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:26,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:26,445 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:26,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 12:26:26,468 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 [2022-11-20 12:26:26,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:26,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:26,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:26,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:26,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:26,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:26,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:26,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:26,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:26,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:26,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:26,519 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:26,540 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 [2022-11-20 12:26:26,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 12:26:26,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:26,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:26,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:26,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:26,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:26,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:26,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:26,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:26,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:26,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:26,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:26,579 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:26,589 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 [2022-11-20 12:26:26,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 12:26:26,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:26,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:26,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:26,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:26,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:26,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:26,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:26,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:26,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:26,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:26,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:26,631 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:26,641 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 [2022-11-20 12:26:26,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 12:26:26,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:26,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:26,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:26,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:26,663 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:26,663 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:26,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:26,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:26,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:26,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:26,682 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:26,688 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 [2022-11-20 12:26:26,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 12:26:26,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:26,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:26,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:26,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:26,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:26,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:26,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:26,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:26,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:26,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:26,733 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:26,743 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 [2022-11-20 12:26:26,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 12:26:26,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:26,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:26,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:26,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:26,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:26,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:26,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:26,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:26,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:26,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:26,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:26,788 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:26,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 12:26:26,795 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 [2022-11-20 12:26:26,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:26,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:26,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:26,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:26,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:26,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:26,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:26,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:26,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:26,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:26,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:26,835 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:26,845 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 [2022-11-20 12:26:26,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 12:26:26,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:26,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:26,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:26,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:26,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:26,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:26,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:26,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:26,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:26,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:26,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:26,886 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:26,897 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 [2022-11-20 12:26:26,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 12:26:26,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:26,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:26,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:26,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:26,918 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:26,918 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:26,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:26,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:26,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:26,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:26,947 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:26,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:26:26,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 12:26:26,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:26,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:26,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:26,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:26,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:26,988 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:27,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:27,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:27,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:27,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:27,021 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:27,031 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 [2022-11-20 12:26:27,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 12:26:27,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:27,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:27,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:27,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:27,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:27,053 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:27,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:27,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:27,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:27,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:27,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:27,079 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:27,088 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 [2022-11-20 12:26:27,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 12:26:27,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:27,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:27,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:27,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:27,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:27,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:27,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:27,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:27,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:27,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:27,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:27,138 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:27,149 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 [2022-11-20 12:26:27,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:27,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:27,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 12:26:27,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:27,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:27,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:27,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:27,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:27,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:27,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:27,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:27,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:27,194 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:27,205 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 [2022-11-20 12:26:27,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 12:26:27,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:27,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:27,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:27,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:27,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:27,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:27,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:27,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:27,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:27,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:27,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:27,245 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:27,252 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 [2022-11-20 12:26:27,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:27,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:27,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:27,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:27,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:27,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 12:26:27,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:27,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:27,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:27,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:27,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:27,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:27,283 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:27,293 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 [2022-11-20 12:26:27,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 12:26:27,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:27,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:27,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:27,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:27,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:27,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:27,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:27,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:27,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:27,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:27,343 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:27,353 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 [2022-11-20 12:26:27,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 12:26:27,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:27,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:27,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:27,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:27,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:27,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:27,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:27,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:27,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:27,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:27,417 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:27,424 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 [2022-11-20 12:26:27,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 12:26:27,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:27,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:27,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:27,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:27,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:27,442 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:27,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:27,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:27,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:27,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:27,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:27,465 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:27,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-20 12:26:27,481 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 [2022-11-20 12:26:27,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:27,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:27,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:27,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:27,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:27,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:27,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:27,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:27,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:27,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:27,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:27,526 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:27,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 12:26:27,540 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 [2022-11-20 12:26:27,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:27,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:27,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:27,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:27,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:27,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:27,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:27,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:27,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:27,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:27,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:27,580 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:27,585 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 [2022-11-20 12:26:27,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 12:26:27,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:27,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:27,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:27,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:27,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:27,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:27,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:27,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:27,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:27,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:27,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:27,631 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:27,636 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 [2022-11-20 12:26:27,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:27,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:27,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:27,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:27,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:27,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:27,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:27,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-20 12:26:27,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:27,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:27,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:27,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:27,674 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:27,679 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 [2022-11-20 12:26:27,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-20 12:26:27,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:27,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:27,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:27,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:27,699 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:27,699 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:27,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:27,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:27,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:27,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:27,731 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:27,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-20 12:26:27,757 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 [2022-11-20 12:26:27,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:27,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:27,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:27,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:27,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:27,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:27,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:27,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:27,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:27,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:27,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:27,791 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:27,800 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 [2022-11-20 12:26:27,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-20 12:26:27,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:27,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:27,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:27,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:27,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:27,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:27,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:27,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:27,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:27,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:27,853 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:27,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:26:27,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-20 12:26:27,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:27,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:27,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:27,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:27,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:27,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:27,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:27,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:27,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:27,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:27,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:27,908 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:27,920 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 [2022-11-20 12:26:27,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-20 12:26:27,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:27,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:27,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:27,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:27,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:27,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:27,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:27,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:27,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:27,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:27,955 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:27,959 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 [2022-11-20 12:26:27,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-20 12:26:27,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:27,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:27,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:27,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:27,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:27,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:27,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:27,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:27,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:27,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:27,997 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:28,003 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 [2022-11-20 12:26:28,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-20 12:26:28,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:28,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:28,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:28,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:28,019 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:28,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:28,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:28,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-20 12:26:28,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:28,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:28,036 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:28,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-20 12:26:28,042 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 [2022-11-20 12:26:28,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:28,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:28,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:28,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:28,087 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:28,087 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:28,123 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:26:28,223 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2022-11-20 12:26:28,224 INFO L444 ModelExtractionUtils]: 17 out of 43 variables were initially zero. Simplification set additionally 23 variables to zero. [2022-11-20 12:26:28,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:28,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:28,263 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:28,267 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:26:28,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-20 12:26:28,305 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:26:28,305 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:26:28,306 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~N#1, ULTIMATE.start_lis_~i~0#1) = 1*ULTIMATE.start_lis_~N#1 - 1*ULTIMATE.start_lis_~i~0#1 Supporting invariants [] [2022-11-20 12:26:28,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:28,405 INFO L156 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2022-11-20 12:26:28,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:28,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:26:28,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:28,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:26:28,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:28,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:28,612 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-20 12:26:28,615 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2022-11-20 12:26:28,673 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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 41 states and 64 transitions. Complement of second has 8 states. [2022-11-20 12:26:28,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 12:26:28,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2022-11-20 12:26:28,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2022-11-20 12:26:28,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-20 12:26:28,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:26:28,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-20 12:26:28,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:26:28,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-20 12:26:28,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:26:28,692 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 64 transitions. [2022-11-20 12:26:28,704 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-11-20 12:26:28,710 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 18 states and 28 transitions. [2022-11-20 12:26:28,711 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-20 12:26:28,711 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-11-20 12:26:28,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 28 transitions. [2022-11-20 12:26:28,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:26:28,713 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 28 transitions. [2022-11-20 12:26:28,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 28 transitions. [2022-11-20 12:26:28,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-20 12:26:28,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 17 states have internal predecessors, (28), 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) [2022-11-20 12:26:28,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 28 transitions. [2022-11-20 12:26:28,745 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 28 transitions. [2022-11-20 12:26:28,745 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 28 transitions. [2022-11-20 12:26:28,745 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 12:26:28,746 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 28 transitions. [2022-11-20 12:26:28,748 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-11-20 12:26:28,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:26:28,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:26:28,749 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-20 12:26:28,749 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 12:26:28,749 INFO L748 eck$LassoCheckResult]: Stem: 178#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 179#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 172#L565 assume !(main_~array_size~0#1 < 1); 173#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 174#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 176#L552-4 lis_~i~0#1 := 1; 180#L554-3 [2022-11-20 12:26:28,750 INFO L750 eck$LassoCheckResult]: Loop: 180#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 181#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 182#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 180#L554-3 [2022-11-20 12:26:28,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:28,759 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2022-11-20 12:26:28,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:28,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333452556] [2022-11-20 12:26:28,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:28,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:28,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:28,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:26:28,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333452556] [2022-11-20 12:26:28,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333452556] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:26:28,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:26:28,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:26:28,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119919998] [2022-11-20 12:26:28,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:26:28,936 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:26:28,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:28,936 INFO L85 PathProgramCache]: Analyzing trace with hash 60785, now seen corresponding path program 1 times [2022-11-20 12:26:28,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:28,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300654885] [2022-11-20 12:26:28,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:28,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:28,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:28,948 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:28,973 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:26:28,973 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:26:28,973 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:26:28,973 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:26:28,973 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 12:26:28,973 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:28,974 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:26:28,974 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:26:28,974 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration2_Loop [2022-11-20 12:26:28,974 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:26:28,974 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:26:28,975 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:28,978 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:28,981 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:28,984 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:28,987 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:29,051 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:26:29,051 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 12:26:29,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:29,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:29,055 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:29,064 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:26:29,064 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:26:29,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-20 12:26:29,090 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 12:26:29,090 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_lis_#t~post5#1=0} Honda state: {ULTIMATE.start_lis_#t~post5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 12:26:29,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:29,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:29,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:29,102 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:29,113 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:26:29,113 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:26:29,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-20 12:26:29,143 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 12:26:29,143 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PGID_2=2} Honda state: {v_rep~unnamed0~0~P_PGID_2=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 12:26:29,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:29,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:29,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:29,155 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:29,160 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:26:29,160 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:26:29,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-20 12:26:29,199 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 12:26:29,199 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PID_2=1} Honda state: {v_rep~unnamed0~0~P_PID_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 12:26:29,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:29,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:29,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:29,210 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:29,215 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:26:29,216 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:26:29,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-20 12:26:29,251 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 12:26:29,251 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_ALL_2=0} Honda state: {v_rep~unnamed0~0~P_ALL_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 12:26:29,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:29,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:29,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:29,262 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:29,266 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:26:29,267 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:26:29,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-20 12:26:29,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:29,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:29,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:29,295 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:29,299 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 12:26:29,299 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:26:29,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-20 12:26:29,471 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 12:26:29,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:29,477 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:26:29,477 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:26:29,477 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:26:29,477 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:26:29,477 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:26:29,477 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:29,478 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:26:29,478 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:26:29,478 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration2_Loop [2022-11-20 12:26:29,478 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:26:29,478 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:26:29,479 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:29,485 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:29,489 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:29,493 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:29,497 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:29,573 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:26:29,573 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:26:29,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:29,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:29,574 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:29,581 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 [2022-11-20 12:26:29,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:29,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:29,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:29,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:29,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-20 12:26:29,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:29,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:29,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:29,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:29,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:29,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:29,625 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:29,629 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 [2022-11-20 12:26:29,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-20 12:26:29,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:29,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:29,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:29,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:29,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:29,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:29,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:29,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:29,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:29,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:29,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:29,665 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:29,672 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 [2022-11-20 12:26:29,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-20 12:26:29,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:29,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:29,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:29,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:29,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:29,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:29,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:29,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:29,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:29,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:29,730 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:29,737 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 [2022-11-20 12:26:29,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-20 12:26:29,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:29,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:29,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:29,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:29,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:29,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:29,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:29,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:29,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:29,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:29,791 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:29,800 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 [2022-11-20 12:26:29,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-20 12:26:29,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:29,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:29,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:29,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:29,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:29,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:29,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:29,829 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:26:29,838 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-20 12:26:29,838 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-20 12:26:29,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:29,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:29,842 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:29,846 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:26:29,847 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 12:26:29,847 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:26:29,847 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~N#1, ULTIMATE.start_lis_~i~0#1) = 1*ULTIMATE.start_lis_~N#1 - 1*ULTIMATE.start_lis_~i~0#1 Supporting invariants [] [2022-11-20 12:26:29,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-20 12:26:29,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:29,852 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 12:26:29,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:29,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:26:29,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:29,916 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:26:29,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:29,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:29,943 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-20 12:26:29,944 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 28 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-20 12:26:30,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-20 12:26:30,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:30,015 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 28 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 61 transitions. Complement of second has 8 states. [2022-11-20 12:26:30,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 12:26:30,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-20 12:26:30,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2022-11-20 12:26:30,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 6 letters. Loop has 3 letters. [2022-11-20 12:26:30,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:26:30,019 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 9 letters. Loop has 3 letters. [2022-11-20 12:26:30,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:26:30,019 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 6 letters. Loop has 6 letters. [2022-11-20 12:26:30,020 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:26:30,020 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 61 transitions. [2022-11-20 12:26:30,021 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-20 12:26:30,022 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 24 states and 37 transitions. [2022-11-20 12:26:30,022 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-20 12:26:30,022 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-11-20 12:26:30,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 37 transitions. [2022-11-20 12:26:30,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:26:30,023 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 37 transitions. [2022-11-20 12:26:30,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 37 transitions. [2022-11-20 12:26:30,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-11-20 12:26:30,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.565217391304348) internal successors, (36), 22 states have internal predecessors, (36), 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) [2022-11-20 12:26:30,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 36 transitions. [2022-11-20 12:26:30,026 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 36 transitions. [2022-11-20 12:26:30,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:26:30,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:26:30,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:26:30,030 INFO L87 Difference]: Start difference. First operand 23 states and 36 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:26:30,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:26:30,095 INFO L93 Difference]: Finished difference Result 24 states and 36 transitions. [2022-11-20 12:26:30,095 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 36 transitions. [2022-11-20 12:26:30,096 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-20 12:26:30,097 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 36 transitions. [2022-11-20 12:26:30,097 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-20 12:26:30,098 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-20 12:26:30,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 36 transitions. [2022-11-20 12:26:30,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:26:30,098 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 36 transitions. [2022-11-20 12:26:30,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 36 transitions. [2022-11-20 12:26:30,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-11-20 12:26:30,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 22 states have internal predecessors, (35), 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) [2022-11-20 12:26:30,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 35 transitions. [2022-11-20 12:26:30,101 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 35 transitions. [2022-11-20 12:26:30,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:26:30,106 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 35 transitions. [2022-11-20 12:26:30,106 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 12:26:30,107 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 35 transitions. [2022-11-20 12:26:30,107 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-20 12:26:30,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:26:30,108 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:26:30,108 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:26:30,108 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:26:30,109 INFO L748 eck$LassoCheckResult]: Stem: 328#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 329#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 326#L565 assume !(main_~array_size~0#1 < 1); 327#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 330#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 331#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 332#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 333#L552-4 lis_~i~0#1 := 1; 334#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 335#L555-3 [2022-11-20 12:26:30,109 INFO L750 eck$LassoCheckResult]: Loop: 335#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 336#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 342#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 344#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 335#L555-3 [2022-11-20 12:26:30,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:30,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1185641744, now seen corresponding path program 1 times [2022-11-20 12:26:30,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:30,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671642799] [2022-11-20 12:26:30,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:30,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:30,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:30,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:26:30,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671642799] [2022-11-20 12:26:30,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671642799] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:26:30,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255349977] [2022-11-20 12:26:30,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:30,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:26:30,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:30,252 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:26:30,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2022-11-20 12:26:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:30,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 12:26:30,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:30,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:30,396 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:26:30,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:30,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255349977] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:26:30,448 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:26:30,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2022-11-20 12:26:30,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728750628] [2022-11-20 12:26:30,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:26:30,450 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:26:30,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:30,451 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 1 times [2022-11-20 12:26:30,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:30,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186287575] [2022-11-20 12:26:30,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:30,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:30,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:30,502 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:30,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:26:30,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 12:26:30,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-20 12:26:30,888 INFO L87 Difference]: Start difference. First operand 23 states and 35 transitions. cyclomatic complexity: 16 Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:26:31,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:26:31,035 INFO L93 Difference]: Finished difference Result 49 states and 69 transitions. [2022-11-20 12:26:31,036 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 69 transitions. [2022-11-20 12:26:31,037 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2022-11-20 12:26:31,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 41 states and 59 transitions. [2022-11-20 12:26:31,037 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2022-11-20 12:26:31,038 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2022-11-20 12:26:31,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 59 transitions. [2022-11-20 12:26:31,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:26:31,038 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 59 transitions. [2022-11-20 12:26:31,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 59 transitions. [2022-11-20 12:26:31,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 25. [2022-11-20 12:26:31,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.44) internal successors, (36), 24 states have internal predecessors, (36), 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) [2022-11-20 12:26:31,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 36 transitions. [2022-11-20 12:26:31,040 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 36 transitions. [2022-11-20 12:26:31,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 12:26:31,042 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 36 transitions. [2022-11-20 12:26:31,043 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 12:26:31,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 36 transitions. [2022-11-20 12:26:31,046 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-20 12:26:31,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:26:31,046 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:26:31,047 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:26:31,047 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:26:31,047 INFO L748 eck$LassoCheckResult]: Stem: 464#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 465#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 462#L565 assume !(main_~array_size~0#1 < 1); 463#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 466#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 467#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 468#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 469#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 485#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 470#L552-4 lis_~i~0#1 := 1; 471#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 472#L555-3 [2022-11-20 12:26:31,047 INFO L750 eck$LassoCheckResult]: Loop: 472#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 473#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 477#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 481#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 472#L555-3 [2022-11-20 12:26:31,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:31,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 2 times [2022-11-20 12:26:31,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:31,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883197716] [2022-11-20 12:26:31,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:31,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:31,098 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:31,128 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:31,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:31,129 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 2 times [2022-11-20 12:26:31,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:31,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380017386] [2022-11-20 12:26:31,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:31,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:31,150 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:31,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:31,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:31,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1166707861, now seen corresponding path program 1 times [2022-11-20 12:26:31,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:31,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767753600] [2022-11-20 12:26:31,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:31,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:31,197 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:31,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:33,383 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:26:33,384 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:26:33,384 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:26:33,384 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:26:33,384 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:26:33,384 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:33,384 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:26:33,384 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:26:33,384 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration4_Lasso [2022-11-20 12:26:33,385 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:26:33,385 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:26:33,390 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:33,392 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:33,395 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:33,398 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:33,400 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:33,403 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:33,405 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:34,808 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:34,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:34,815 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:34,818 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:34,821 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:34,824 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:34,826 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:34,829 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:34,831 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:34,834 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:34,838 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:34,840 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:34,843 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:34,846 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:34,848 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:34,852 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:35,928 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:26:35,928 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:26:35,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:35,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:35,930 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:35,940 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 [2022-11-20 12:26:35,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:35,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:35,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-20 12:26:35,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:35,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:35,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:35,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:35,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:35,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:35,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-20 12:26:35,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:35,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:35,974 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:35,984 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 [2022-11-20 12:26:35,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-20 12:26:35,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:35,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:35,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:35,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:35,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:35,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:35,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:36,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:36,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:36,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:36,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:36,024 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:36,029 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 [2022-11-20 12:26:36,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-20 12:26:36,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:36,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:36,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:36,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:36,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:36,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:36,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:36,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-11-20 12:26:36,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:36,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:36,062 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:36,071 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 [2022-11-20 12:26:36,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-20 12:26:36,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:36,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:36,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:36,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:36,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:36,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:36,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:36,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:36,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:36,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:36,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:36,112 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:36,119 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 [2022-11-20 12:26:36,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:36,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:36,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:36,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:36,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:36,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-20 12:26:36,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:36,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:36,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:36,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:36,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:36,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:36,151 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:36,155 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 [2022-11-20 12:26:36,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-20 12:26:36,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:36,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:36,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:36,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:36,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:36,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:36,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:36,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:36,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:36,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:36,210 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:36,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-20 12:26:36,213 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 [2022-11-20 12:26:36,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:36,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:36,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:36,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:36,253 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:36,253 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:36,309 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:26:36,377 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-20 12:26:36,377 INFO L444 ModelExtractionUtils]: 18 out of 58 variables were initially zero. Simplification set additionally 37 variables to zero. [2022-11-20 12:26:36,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:36,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:36,379 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:36,382 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:26:36,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-20 12:26:36,395 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:26:36,396 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:26:36,396 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~j~0#1, ULTIMATE.start_lis_~i~0#1) = -2*ULTIMATE.start_lis_~j~0#1 + 1*ULTIMATE.start_lis_~i~0#1 Supporting invariants [] [2022-11-20 12:26:36,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-11-20 12:26:36,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:36,711 INFO L156 tatePredicateManager]: 35 out of 37 supporting invariants were superfluous and have been removed [2022-11-20 12:26:36,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:36,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 12:26:36,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:36,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 12:26:36,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:36,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:37,001 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-20 12:26:37,001 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 36 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:26:37,085 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 36 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 63 transitions. Complement of second has 9 states. [2022-11-20 12:26:37,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 12:26:37,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:26:37,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 17 transitions. [2022-11-20 12:26:37,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 11 letters. Loop has 4 letters. [2022-11-20 12:26:37,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:26:37,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 15 letters. Loop has 4 letters. [2022-11-20 12:26:37,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:26:37,094 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 11 letters. Loop has 8 letters. [2022-11-20 12:26:37,094 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:26:37,094 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 63 transitions. [2022-11-20 12:26:37,095 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-20 12:26:37,096 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 30 states and 43 transitions. [2022-11-20 12:26:37,096 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-20 12:26:37,096 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-20 12:26:37,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 43 transitions. [2022-11-20 12:26:37,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:26:37,097 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 43 transitions. [2022-11-20 12:26:37,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 43 transitions. [2022-11-20 12:26:37,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 25. [2022-11-20 12:26:37,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.4) internal successors, (35), 24 states have internal predecessors, (35), 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) [2022-11-20 12:26:37,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 35 transitions. [2022-11-20 12:26:37,104 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 35 transitions. [2022-11-20 12:26:37,104 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 35 transitions. [2022-11-20 12:26:37,105 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-20 12:26:37,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 35 transitions. [2022-11-20 12:26:37,106 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-20 12:26:37,107 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:26:37,107 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:26:37,108 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:26:37,108 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:26:37,108 INFO L748 eck$LassoCheckResult]: Stem: 762#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 763#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 756#L565 assume !(main_~array_size~0#1 < 1); 757#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 758#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 759#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 760#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 761#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 780#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 764#L552-4 lis_~i~0#1 := 1; 765#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 768#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 769#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 779#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 766#L555-3 [2022-11-20 12:26:37,110 INFO L750 eck$LassoCheckResult]: Loop: 766#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 767#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 771#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 775#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 766#L555-3 [2022-11-20 12:26:37,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:37,111 INFO L85 PathProgramCache]: Analyzing trace with hash -793649762, now seen corresponding path program 1 times [2022-11-20 12:26:37,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:37,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863421797] [2022-11-20 12:26:37,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:37,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:37,262 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 12:26:37,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:26:37,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863421797] [2022-11-20 12:26:37,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863421797] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:26:37,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:26:37,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:26:37,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775478772] [2022-11-20 12:26:37,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:26:37,264 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:26:37,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:37,264 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 3 times [2022-11-20 12:26:37,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:37,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879167512] [2022-11-20 12:26:37,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:37,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:37,277 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:37,287 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:37,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:26:37,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:26:37,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:26:37,629 INFO L87 Difference]: Start difference. First operand 25 states and 35 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:26:37,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:26:37,693 INFO L93 Difference]: Finished difference Result 34 states and 49 transitions. [2022-11-20 12:26:37,693 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 49 transitions. [2022-11-20 12:26:37,693 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-20 12:26:37,694 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 49 transitions. [2022-11-20 12:26:37,694 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-20 12:26:37,694 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-20 12:26:37,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 49 transitions. [2022-11-20 12:26:37,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:26:37,695 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 49 transitions. [2022-11-20 12:26:37,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 49 transitions. [2022-11-20 12:26:37,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 26. [2022-11-20 12:26:37,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 25 states have internal predecessors, (36), 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) [2022-11-20 12:26:37,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2022-11-20 12:26:37,698 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 36 transitions. [2022-11-20 12:26:37,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:26:37,699 INFO L428 stractBuchiCegarLoop]: Abstraction has 26 states and 36 transitions. [2022-11-20 12:26:37,700 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-20 12:26:37,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 36 transitions. [2022-11-20 12:26:37,700 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-20 12:26:37,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:26:37,701 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:26:37,701 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:26:37,701 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:26:37,702 INFO L748 eck$LassoCheckResult]: Stem: 824#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 825#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 822#L565 assume !(main_~array_size~0#1 < 1); 823#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 826#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 827#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 828#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 829#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 847#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 830#L552-4 lis_~i~0#1 := 1; 831#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 834#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 835#L556 assume !lis_#t~short11#1; 837#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 841#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 842#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 845#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 846#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 832#L555-3 [2022-11-20 12:26:37,702 INFO L750 eck$LassoCheckResult]: Loop: 832#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 833#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 836#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 840#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 832#L555-3 [2022-11-20 12:26:37,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:37,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1717296809, now seen corresponding path program 1 times [2022-11-20 12:26:37,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:37,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048660491] [2022-11-20 12:26:37,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:37,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:37,929 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 12:26:37,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:26:37,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048660491] [2022-11-20 12:26:37,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048660491] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:26:37,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809417890] [2022-11-20 12:26:37,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:37,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:26:37,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:37,935 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:26:37,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2022-11-20 12:26:38,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:38,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 12:26:38,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:38,125 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 12:26:38,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:26:38,208 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 12:26:38,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809417890] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:26:38,210 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:26:38,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2022-11-20 12:26:38,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332541617] [2022-11-20 12:26:38,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:26:38,213 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:26:38,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:38,214 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 4 times [2022-11-20 12:26:38,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:38,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120010614] [2022-11-20 12:26:38,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:38,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:38,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:38,254 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:38,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:26:38,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 12:26:38,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:26:38,541 INFO L87 Difference]: Start difference. First operand 26 states and 36 transitions. cyclomatic complexity: 14 Second operand has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 12 states have internal predecessors, (38), 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) [2022-11-20 12:26:38,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:26:38,777 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2022-11-20 12:26:38,777 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 99 transitions. [2022-11-20 12:26:38,779 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2022-11-20 12:26:38,782 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 53 states and 75 transitions. [2022-11-20 12:26:38,782 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2022-11-20 12:26:38,782 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2022-11-20 12:26:38,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 75 transitions. [2022-11-20 12:26:38,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:26:38,783 INFO L218 hiAutomatonCegarLoop]: Abstraction has 53 states and 75 transitions. [2022-11-20 12:26:38,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 75 transitions. [2022-11-20 12:26:38,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 34. [2022-11-20 12:26:38,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.411764705882353) internal successors, (48), 33 states have internal predecessors, (48), 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) [2022-11-20 12:26:38,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2022-11-20 12:26:38,786 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 48 transitions. [2022-11-20 12:26:38,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 12:26:38,788 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 48 transitions. [2022-11-20 12:26:38,788 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-20 12:26:38,788 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 48 transitions. [2022-11-20 12:26:38,789 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-20 12:26:38,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:26:38,789 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:26:38,790 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:26:38,790 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:26:38,790 INFO L748 eck$LassoCheckResult]: Stem: 1044#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1045#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 1042#L565 assume !(main_~array_size~0#1 < 1); 1043#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 1046#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1047#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1048#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1049#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1071#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1070#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1069#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 1050#L552-4 lis_~i~0#1 := 1; 1051#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1067#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1073#L556 assume !lis_#t~short11#1; 1075#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 1074#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1072#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1065#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 1066#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1052#L555-3 [2022-11-20 12:26:38,790 INFO L750 eck$LassoCheckResult]: Loop: 1052#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1053#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 1057#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1061#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1052#L555-3 [2022-11-20 12:26:38,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:38,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1523485369, now seen corresponding path program 2 times [2022-11-20 12:26:38,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:38,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174633306] [2022-11-20 12:26:38,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:38,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:38,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:38,837 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:38,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:38,837 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 5 times [2022-11-20 12:26:38,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:38,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660291412] [2022-11-20 12:26:38,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:38,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:38,847 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:38,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:38,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:38,856 INFO L85 PathProgramCache]: Analyzing trace with hash -423959456, now seen corresponding path program 1 times [2022-11-20 12:26:38,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:38,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048104331] [2022-11-20 12:26:38,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:38,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:38,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:38,941 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:42,179 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:26:42,179 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:26:42,179 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:26:42,179 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:26:42,179 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:26:42,180 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:42,180 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:26:42,180 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:26:42,180 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration7_Lasso [2022-11-20 12:26:42,180 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:26:42,180 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:26:42,185 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:42,187 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:42,190 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:42,193 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:42,195 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:42,198 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:42,204 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:42,207 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:42,209 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:42,212 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:42,215 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:42,218 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:42,257 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:42,259 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:42,261 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:42,263 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:42,266 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:42,269 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:42,272 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:44,484 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:44,496 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:44,498 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:44,501 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:45,621 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:26:45,622 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:26:45,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:45,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:45,627 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:45,636 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 [2022-11-20 12:26:45,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-20 12:26:45,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:45,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:45,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:45,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:45,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:45,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:45,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:45,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:45,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:45,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:45,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:45,667 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:45,675 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 [2022-11-20 12:26:45,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-20 12:26:45,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:45,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:45,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:45,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:45,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:45,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:45,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:45,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:45,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:45,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:45,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:45,712 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:45,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-20 12:26:45,717 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 [2022-11-20 12:26:45,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:45,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:45,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:45,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:45,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:45,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:45,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:45,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:45,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:45,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:45,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:45,761 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:45,765 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 [2022-11-20 12:26:45,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-20 12:26:45,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:45,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:45,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:45,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:45,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:45,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:45,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:45,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:45,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:45,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:45,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:45,800 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:45,804 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 [2022-11-20 12:26:45,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-20 12:26:45,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:45,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:45,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:45,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:45,821 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:45,821 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:45,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:45,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:45,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:45,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:45,848 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:45,853 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 [2022-11-20 12:26:45,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-20 12:26:45,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:45,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:45,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:45,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:45,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:45,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:45,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:45,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:45,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:45,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:45,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:45,896 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:45,900 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 [2022-11-20 12:26:45,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-20 12:26:45,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:45,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:45,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:45,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:45,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:45,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:45,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:45,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:45,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:45,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:45,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:45,949 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:45,952 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 [2022-11-20 12:26:45,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:45,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:45,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:45,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:46,001 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:46,001 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:46,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-20 12:26:46,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:46,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:46,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:46,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:46,017 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:46,021 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 [2022-11-20 12:26:46,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-20 12:26:46,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:46,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:46,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:46,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:46,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:46,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:46,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:46,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:46,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:46,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:46,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:46,068 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:46,072 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 [2022-11-20 12:26:46,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:46,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:46,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:46,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:46,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-20 12:26:46,087 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:46,087 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:46,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:46,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:46,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:46,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:46,112 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:46,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-20 12:26:46,116 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 [2022-11-20 12:26:46,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:46,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:46,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:46,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:46,127 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:46,127 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:46,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:46,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:46,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:46,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:46,135 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:46,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-20 12:26:46,140 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 [2022-11-20 12:26:46,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:46,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:46,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:46,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:46,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:46,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:46,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:46,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:46,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-11-20 12:26:46,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:46,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:46,166 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:46,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-20 12:26:46,174 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 [2022-11-20 12:26:46,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:46,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:46,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:46,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:46,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:46,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:46,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:46,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:46,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:46,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:46,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:46,191 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:46,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-20 12:26:46,193 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 [2022-11-20 12:26:46,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:46,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:46,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:46,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:46,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:46,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:46,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:46,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:46,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:46,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:46,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:46,209 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:46,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-20 12:26:46,212 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 [2022-11-20 12:26:46,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:46,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:46,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:46,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:46,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:46,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:46,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:46,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:46,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2022-11-20 12:26:46,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:46,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:46,228 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:46,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-20 12:26:46,230 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 [2022-11-20 12:26:46,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:46,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:46,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:46,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:46,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:46,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:46,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:46,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2022-11-20 12:26:46,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:46,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:46,257 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:46,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-11-20 12:26:46,260 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 [2022-11-20 12:26:46,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:46,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:46,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:46,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:46,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:46,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:46,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:46,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:46,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:46,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:46,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:46,300 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:46,309 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 [2022-11-20 12:26:46,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-11-20 12:26:46,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:46,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:26:46,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:46,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:46,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:46,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:26:46,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:26:46,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:46,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:46,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:46,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:46,344 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:46,348 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 [2022-11-20 12:26:46,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-20 12:26:46,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:46,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:46,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:46,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:46,365 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:46,365 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:46,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:46,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:46,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:46,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:46,388 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:46,392 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 [2022-11-20 12:26:46,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-20 12:26:46,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:46,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:46,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:46,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:46,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:46,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:46,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:46,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2022-11-20 12:26:46,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:46,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:46,416 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:46,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:26:46,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-11-20 12:26:46,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:46,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:46,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:46,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:46,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:46,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:46,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:46,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:46,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:46,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:46,457 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:46,467 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 [2022-11-20 12:26:46,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-11-20 12:26:46,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:46,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:46,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:46,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:46,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:46,485 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:46,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:46,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:46,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:46,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:46,512 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:46,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-11-20 12:26:46,514 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 [2022-11-20 12:26:46,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:46,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:46,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:46,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:46,531 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:46,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:46,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:46,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:46,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:46,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:46,560 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:46,567 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 [2022-11-20 12:26:46,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-11-20 12:26:46,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:46,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:46,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:46,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:46,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:46,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:46,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:26:46,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2022-11-20 12:26:46,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:46,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:46,591 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:46,594 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 [2022-11-20 12:26:46,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-11-20 12:26:46,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:26:46,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:26:46,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:26:46,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:26:46,622 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:26:46,622 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:26:46,654 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:26:46,705 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-20 12:26:46,705 INFO L444 ModelExtractionUtils]: 22 out of 61 variables were initially zero. Simplification set additionally 36 variables to zero. [2022-11-20 12:26:46,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:46,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:46,707 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:26:46,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-11-20 12:26:46,709 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:26:46,721 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:26:46,721 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:26:46,721 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~j~0#1) = -2*ULTIMATE.start_lis_~j~0#1 + 3 Supporting invariants [] [2022-11-20 12:26:46,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2022-11-20 12:26:47,079 INFO L156 tatePredicateManager]: 50 out of 52 supporting invariants were superfluous and have been removed [2022-11-20 12:26:47,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:47,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 12:26:47,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:47,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 12:26:47,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:47,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2022-11-20 12:26:47,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:47,449 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-20 12:26:47,449 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 48 transitions. cyclomatic complexity: 19 Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2022-11-20 12:26:47,493 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 48 transitions. cyclomatic complexity: 19. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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 34 states and 48 transitions. Complement of second has 5 states. [2022-11-20 12:26:47,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:26:47,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2022-11-20 12:26:47,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2022-11-20 12:26:47,495 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 20 letters. Loop has 4 letters. [2022-11-20 12:26:47,495 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:26:47,495 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:26:47,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:47,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 12:26:47,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:47,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 12:26:47,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:47,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:47,818 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-20 12:26:47,818 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 48 transitions. cyclomatic complexity: 19 Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2022-11-20 12:26:47,867 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 48 transitions. cyclomatic complexity: 19. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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 34 states and 48 transitions. Complement of second has 5 states. [2022-11-20 12:26:47,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:26:47,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2022-11-20 12:26:47,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2022-11-20 12:26:47,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 20 letters. Loop has 4 letters. [2022-11-20 12:26:47,871 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:26:47,871 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:26:47,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:47,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 12:26:47,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:48,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 12:26:48,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:48,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:26:48,213 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-20 12:26:48,214 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 48 transitions. cyclomatic complexity: 19 Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2022-11-20 12:26:48,370 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 48 transitions. cyclomatic complexity: 19. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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 54 states and 80 transitions. Complement of second has 11 states. [2022-11-20 12:26:48,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:26:48,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2022-11-20 12:26:48,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 52 transitions. [2022-11-20 12:26:48,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 20 letters. Loop has 4 letters. [2022-11-20 12:26:48,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:26:48,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 24 letters. Loop has 4 letters. [2022-11-20 12:26:48,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:26:48,373 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 20 letters. Loop has 8 letters. [2022-11-20 12:26:48,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:26:48,373 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 80 transitions. [2022-11-20 12:26:48,374 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-20 12:26:48,376 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 42 states and 60 transitions. [2022-11-20 12:26:48,376 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 12:26:48,376 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-20 12:26:48,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 60 transitions. [2022-11-20 12:26:48,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:26:48,377 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 60 transitions. [2022-11-20 12:26:48,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 60 transitions. [2022-11-20 12:26:48,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 34. [2022-11-20 12:26:48,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 33 states have internal predecessors, (47), 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) [2022-11-20 12:26:48,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 47 transitions. [2022-11-20 12:26:48,381 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 47 transitions. [2022-11-20 12:26:48,381 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 47 transitions. [2022-11-20 12:26:48,381 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-20 12:26:48,381 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 47 transitions. [2022-11-20 12:26:48,382 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-20 12:26:48,382 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:26:48,382 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:26:48,383 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:26:48,383 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:26:48,383 INFO L748 eck$LassoCheckResult]: Stem: 1687#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1688#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 1685#L565 assume !(main_~array_size~0#1 < 1); 1686#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 1689#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1690#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1691#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1692#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1717#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1715#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1714#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 1698#L552-4 lis_~i~0#1 := 1; 1699#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1710#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1713#L556 assume !lis_#t~short11#1; 1718#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 1716#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1712#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1708#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 1709#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1695#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1696#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 1711#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1693#L555-3 [2022-11-20 12:26:48,383 INFO L750 eck$LassoCheckResult]: Loop: 1693#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1694#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 1702#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1704#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1693#L555-3 [2022-11-20 12:26:48,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:48,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1233248371, now seen corresponding path program 3 times [2022-11-20 12:26:48,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:48,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278569451] [2022-11-20 12:26:48,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:48,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:48,472 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 12:26:48,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:26:48,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278569451] [2022-11-20 12:26:48,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278569451] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:26:48,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505650333] [2022-11-20 12:26:48,474 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 12:26:48,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:26:48,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:48,475 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:26:48,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Waiting until timeout for monitored process [2022-11-20 12:26:48,595 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-20 12:26:48,595 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:26:48,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:26:48,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:48,637 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 12:26:48,637 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:26:48,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505650333] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:26:48,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:26:48,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-20 12:26:48,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051374769] [2022-11-20 12:26:48,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:26:48,638 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:26:48,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:48,642 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 6 times [2022-11-20 12:26:48,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:48,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097093921] [2022-11-20 12:26:48,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:48,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:48,651 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:48,659 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:48,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:26:48,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:26:48,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:26:48,969 INFO L87 Difference]: Start difference. First operand 34 states and 47 transitions. cyclomatic complexity: 18 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2022-11-20 12:26:49,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:26:49,051 INFO L93 Difference]: Finished difference Result 42 states and 59 transitions. [2022-11-20 12:26:49,052 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 59 transitions. [2022-11-20 12:26:49,052 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-20 12:26:49,053 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 42 states and 59 transitions. [2022-11-20 12:26:49,053 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-11-20 12:26:49,053 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2022-11-20 12:26:49,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 59 transitions. [2022-11-20 12:26:49,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:26:49,054 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 59 transitions. [2022-11-20 12:26:49,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 59 transitions. [2022-11-20 12:26:49,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 35. [2022-11-20 12:26:49,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 34 states have internal predecessors, (48), 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) [2022-11-20 12:26:49,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2022-11-20 12:26:49,057 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 48 transitions. [2022-11-20 12:26:49,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:26:49,060 INFO L428 stractBuchiCegarLoop]: Abstraction has 35 states and 48 transitions. [2022-11-20 12:26:49,060 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-20 12:26:49,060 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 48 transitions. [2022-11-20 12:26:49,060 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-20 12:26:49,061 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:26:49,061 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:26:49,062 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 12:26:49,062 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:26:49,062 INFO L748 eck$LassoCheckResult]: Stem: 1839#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1840#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 1837#L565 assume !(main_~array_size~0#1 < 1); 1838#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 1841#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1842#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1843#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1844#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1870#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1866#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 1865#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 1845#L552-4 lis_~i~0#1 := 1; 1846#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1862#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1868#L556 assume !lis_#t~short11#1; 1871#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 1869#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1867#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1860#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 1861#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1849#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1850#L556 assume !lis_#t~short11#1; 1852#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 1856#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1857#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 1864#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 1863#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 1847#L555-3 [2022-11-20 12:26:49,062 INFO L750 eck$LassoCheckResult]: Loop: 1847#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 1848#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 1851#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 1855#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 1847#L555-3 [2022-11-20 12:26:49,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:49,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1381806508, now seen corresponding path program 4 times [2022-11-20 12:26:49,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:49,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142667965] [2022-11-20 12:26:49,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:49,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:49,179 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 12:26:49,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:26:49,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142667965] [2022-11-20 12:26:49,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142667965] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:26:49,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41207091] [2022-11-20 12:26:49,180 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 12:26:49,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:26:49,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:49,182 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:26:49,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Waiting until timeout for monitored process [2022-11-20 12:26:49,297 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 12:26:49,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:26:49,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 12:26:49,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 12:26:49,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:26:49,423 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 12:26:49,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41207091] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:26:49,424 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:26:49,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2022-11-20 12:26:49,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961945842] [2022-11-20 12:26:49,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:26:49,425 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:26:49,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:49,426 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 7 times [2022-11-20 12:26:49,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:49,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029969042] [2022-11-20 12:26:49,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:49,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:49,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:49,449 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:49,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:26:49,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 12:26:49,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:26:49,777 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. cyclomatic complexity: 18 Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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) [2022-11-20 12:26:49,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:26:49,904 INFO L93 Difference]: Finished difference Result 50 states and 71 transitions. [2022-11-20 12:26:49,904 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 71 transitions. [2022-11-20 12:26:49,904 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-20 12:26:49,905 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 50 states and 71 transitions. [2022-11-20 12:26:49,905 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-11-20 12:26:49,905 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2022-11-20 12:26:49,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 71 transitions. [2022-11-20 12:26:49,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:26:49,906 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 71 transitions. [2022-11-20 12:26:49,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 71 transitions. [2022-11-20 12:26:49,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 39. [2022-11-20 12:26:49,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 38 states have internal predecessors, (54), 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) [2022-11-20 12:26:49,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2022-11-20 12:26:49,909 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 54 transitions. [2022-11-20 12:26:49,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 12:26:49,912 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 54 transitions. [2022-11-20 12:26:49,912 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-20 12:26:49,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 54 transitions. [2022-11-20 12:26:49,912 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-20 12:26:49,912 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:26:49,913 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:26:49,913 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 12:26:49,913 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:26:49,914 INFO L748 eck$LassoCheckResult]: Stem: 2101#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2102#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 2095#L565 assume !(main_~array_size~0#1 < 1); 2096#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 2097#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2098#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 2099#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2100#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 2133#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2128#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 2127#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 2103#L552-4 lis_~i~0#1 := 1; 2104#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 2120#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 2126#L556 assume !lis_#t~short11#1; 2131#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 2129#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 2125#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 2118#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 2119#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 2121#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 2132#L556 assume !lis_#t~short11#1; 2130#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 2115#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 2107#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 2108#L556 assume !lis_#t~short11#1; 2110#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 2114#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 2124#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 2123#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 2122#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 2105#L555-3 [2022-11-20 12:26:49,914 INFO L750 eck$LassoCheckResult]: Loop: 2105#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 2106#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 2109#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2113#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 2105#L555-3 [2022-11-20 12:26:49,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:49,914 INFO L85 PathProgramCache]: Analyzing trace with hash -494256539, now seen corresponding path program 5 times [2022-11-20 12:26:49,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:49,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936371286] [2022-11-20 12:26:49,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:49,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:26:50,131 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 12:26:50,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:26:50,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936371286] [2022-11-20 12:26:50,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936371286] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:26:50,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989326358] [2022-11-20 12:26:50,132 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-20 12:26:50,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:26:50,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:26:50,138 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:26:50,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Waiting until timeout for monitored process [2022-11-20 12:26:50,282 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-11-20 12:26:50,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:26:50,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:26:50,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:26:50,457 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 12:26:50,458 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:26:50,602 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 12:26:50,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989326358] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:26:50,603 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:26:50,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2022-11-20 12:26:50,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609847122] [2022-11-20 12:26:50,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:26:50,605 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:26:50,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:50,606 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 8 times [2022-11-20 12:26:50,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:50,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111987695] [2022-11-20 12:26:50,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:50,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:50,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:50,625 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:50,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:26:50,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-20 12:26:50,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2022-11-20 12:26:50,952 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. cyclomatic complexity: 20 Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 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) [2022-11-20 12:26:51,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:26:51,261 INFO L93 Difference]: Finished difference Result 111 states and 155 transitions. [2022-11-20 12:26:51,261 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 111 states and 155 transitions. [2022-11-20 12:26:51,262 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2022-11-20 12:26:51,262 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 111 states to 79 states and 111 transitions. [2022-11-20 12:26:51,262 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2022-11-20 12:26:51,262 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2022-11-20 12:26:51,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 111 transitions. [2022-11-20 12:26:51,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:26:51,263 INFO L218 hiAutomatonCegarLoop]: Abstraction has 79 states and 111 transitions. [2022-11-20 12:26:51,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 111 transitions. [2022-11-20 12:26:51,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 52. [2022-11-20 12:26:51,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 51 states have internal predecessors, (73), 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) [2022-11-20 12:26:51,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 73 transitions. [2022-11-20 12:26:51,266 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 73 transitions. [2022-11-20 12:26:51,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 12:26:51,288 INFO L428 stractBuchiCegarLoop]: Abstraction has 52 states and 73 transitions. [2022-11-20 12:26:51,288 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-20 12:26:51,288 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 73 transitions. [2022-11-20 12:26:51,288 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-20 12:26:51,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:26:51,288 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:26:51,289 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 12:26:51,289 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:26:51,289 INFO L748 eck$LassoCheckResult]: Stem: 2453#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2454#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 2451#L565 assume !(main_~array_size~0#1 < 1); 2452#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 2455#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2456#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 2457#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2458#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 2486#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2485#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 2484#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2483#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 2482#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 2463#L552-4 lis_~i~0#1 := 1; 2464#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 2478#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 2490#L556 assume !lis_#t~short11#1; 2494#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 2491#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 2489#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 2476#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 2477#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 2479#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 2500#L556 assume !lis_#t~short11#1; 2499#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 2498#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 2497#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 2493#L556 assume !lis_#t~short11#1; 2496#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 2495#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 2492#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 2488#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 2487#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 2459#L555-3 [2022-11-20 12:26:51,289 INFO L750 eck$LassoCheckResult]: Loop: 2459#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 2460#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 2467#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 2470#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 2459#L555-3 [2022-11-20 12:26:51,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:51,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1144628291, now seen corresponding path program 6 times [2022-11-20 12:26:51,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:51,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517708222] [2022-11-20 12:26:51,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:51,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:51,335 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:51,361 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:51,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:51,361 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272, now seen corresponding path program 9 times [2022-11-20 12:26:51,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:51,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811285210] [2022-11-20 12:26:51,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:51,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:51,369 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:51,375 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:51,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:26:51,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1970657046, now seen corresponding path program 2 times [2022-11-20 12:26:51,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:26:51,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31711088] [2022-11-20 12:26:51,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:26:51,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:26:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:51,434 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:26:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:26:51,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:26:57,190 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:26:57,190 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:26:57,191 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:26:57,191 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:26:57,191 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:26:57,191 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:26:57,191 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:26:57,191 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:26:57,191 INFO L133 ssoRankerPreferences]: Filename of dumped script: lis-alloca-2.i_Iteration11_Lasso [2022-11-20 12:26:57,191 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:26:57,191 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:26:57,195 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:57,205 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:57,208 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:57,210 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:57,213 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:57,217 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:57,219 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:57,221 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:57,224 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:57,226 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:57,232 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:26:57,235 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:27:00,249 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:27:00,251 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:27:00,253 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:27:00,255 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:27:00,257 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:27:00,258 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:27:00,260 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:27:00,263 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:27:00,265 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:27:00,266 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:27:00,268 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:27:01,370 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:27:01,370 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:27:01,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:27:01,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:27:01,374 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:27:01,380 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 [2022-11-20 12:27:01,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:27:01,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:27:01,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:27:01,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:27:01,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:27:01,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:27:01,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:27:01,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-11-20 12:27:01,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:27:01,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2022-11-20 12:27:01,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:27:01,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:27:01,404 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:27:01,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:27:01,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:27:01,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:27:01,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:27:01,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:27:01,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:27:01,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:27:01,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:27:01,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-11-20 12:27:01,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:27:01,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2022-11-20 12:27:01,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:27:01,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:27:01,444 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:27:01,450 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 [2022-11-20 12:27:01,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-11-20 12:27:01,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:27:01,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:27:01,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:27:01,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:27:01,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:27:01,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:27:01,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:27:01,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:27:01,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2022-11-20 12:27:01,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:27:01,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:27:01,492 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:27:01,496 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 [2022-11-20 12:27:01,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:27:01,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:27:01,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:27:01,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:27:01,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-11-20 12:27:01,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:27:01,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:27:01,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:27:01,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2022-11-20 12:27:01,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:27:01,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:27:01,526 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:27:01,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-11-20 12:27:01,529 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 [2022-11-20 12:27:01,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:27:01,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:27:01,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:27:01,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:27:01,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:27:01,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:27:01,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:27:01,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:27:01,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2022-11-20 12:27:01,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:27:01,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:27:01,545 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:27:01,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2022-11-20 12:27:01,548 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 [2022-11-20 12:27:01,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:27:01,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:27:01,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:27:01,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:27:01,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:27:01,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:27:01,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:27:01,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:27:01,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2022-11-20 12:27:01,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:27:01,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:27:01,563 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:27:01,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2022-11-20 12:27:01,566 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 [2022-11-20 12:27:01,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:27:01,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:27:01,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:27:01,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:27:01,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:27:01,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:27:01,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:27:01,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:27:01,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2022-11-20 12:27:01,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:27:01,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:27:01,597 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:27:01,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2022-11-20 12:27:01,599 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 [2022-11-20 12:27:01,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:27:01,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:27:01,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:27:01,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:27:01,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:27:01,611 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:27:01,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:27:01,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2022-11-20 12:27:01,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:27:01,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:27:01,618 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:27:01,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2022-11-20 12:27:01,621 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 [2022-11-20 12:27:01,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:27:01,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:27:01,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:27:01,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:27:01,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:27:01,631 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:27:01,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:27:01,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:27:01,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2022-11-20 12:27:01,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:27:01,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:27:01,638 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:27:01,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2022-11-20 12:27:01,642 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 [2022-11-20 12:27:01,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:27:01,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:27:01,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:27:01,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:27:01,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:27:01,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:27:01,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:27:01,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:27:01,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2022-11-20 12:27:01,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:27:01,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:27:01,660 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:27:01,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2022-11-20 12:27:01,663 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 [2022-11-20 12:27:01,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:27:01,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:27:01,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:27:01,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:27:01,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:27:01,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:27:01,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:27:01,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2022-11-20 12:27:01,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:27:01,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:27:01,681 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:27:01,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2022-11-20 12:27:01,684 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 [2022-11-20 12:27:01,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:27:01,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:27:01,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:27:01,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:27:01,696 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:27:01,696 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:27:01,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:27:01,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2022-11-20 12:27:01,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:27:01,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:27:01,707 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:27:01,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2022-11-20 12:27:01,709 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 [2022-11-20 12:27:01,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:27:01,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:27:01,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:27:01,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:27:01,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:27:01,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:27:01,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:27:01,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2022-11-20 12:27:01,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:27:01,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:27:01,730 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:27:01,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2022-11-20 12:27:01,736 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 [2022-11-20 12:27:01,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:27:01,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:27:01,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:27:01,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:27:01,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:27:01,747 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:27:01,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:27:01,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2022-11-20 12:27:01,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:27:01,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:27:01,755 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:27:01,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2022-11-20 12:27:01,758 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 [2022-11-20 12:27:01,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:27:01,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:27:01,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:27:01,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:27:01,769 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:27:01,769 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:27:01,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:27:01,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2022-11-20 12:27:01,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:27:01,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:27:01,777 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:27:01,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2022-11-20 12:27:01,779 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 [2022-11-20 12:27:01,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:27:01,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:27:01,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:27:01,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:27:01,791 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:27:01,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:27:01,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:27:01,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2022-11-20 12:27:01,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:27:01,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:27:01,799 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:27:01,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2022-11-20 12:27:01,801 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 [2022-11-20 12:27:01,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:27:01,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:27:01,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:27:01,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:27:01,828 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:27:01,828 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:27:01,860 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:27:01,993 INFO L443 ModelExtractionUtils]: Simplification made 25 calls to the SMT solver. [2022-11-20 12:27:01,993 INFO L444 ModelExtractionUtils]: 21 out of 61 variables were initially zero. Simplification set additionally 37 variables to zero. [2022-11-20 12:27:01,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:27:01,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:27:01,997 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:27:01,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2022-11-20 12:27:01,998 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:27:02,008 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:27:02,009 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:27:02,009 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_lis_~j~0#1, v_rep(select #length ULTIMATE.start_lis_#t~malloc3#1.base)_4) = -16*ULTIMATE.start_lis_~j~0#1 + 5*v_rep(select #length ULTIMATE.start_lis_#t~malloc3#1.base)_4 Supporting invariants [] [2022-11-20 12:27:02,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2022-11-20 12:27:02,453 INFO L156 tatePredicateManager]: 62 out of 65 supporting invariants were superfluous and have been removed [2022-11-20 12:27:02,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2022-11-20 12:27:02,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:27:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:27:02,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-20 12:27:02,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:27:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:27:02,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 12:27:02,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:27:03,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:27:03,038 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 4 loop predicates [2022-11-20 12:27:03,038 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 73 transitions. cyclomatic complexity: 27 Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:27:03,082 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 73 transitions. cyclomatic complexity: 27. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 52 states and 73 transitions. Complement of second has 5 states. [2022-11-20 12:27:03,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:27:03,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:27:03,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2022-11-20 12:27:03,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 33 letters. Loop has 4 letters. [2022-11-20 12:27:03,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:27:03,093 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:27:03,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:27:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:27:03,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-20 12:27:03,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:27:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:27:03,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 12:27:03,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:27:03,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:27:03,685 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 4 loop predicates [2022-11-20 12:27:03,685 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 73 transitions. cyclomatic complexity: 27 Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:27:03,735 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 73 transitions. cyclomatic complexity: 27. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 52 states and 73 transitions. Complement of second has 5 states. [2022-11-20 12:27:03,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 12:27:03,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:27:03,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2022-11-20 12:27:03,736 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 33 letters. Loop has 4 letters. [2022-11-20 12:27:03,737 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:27:03,737 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 12:27:03,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:27:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:27:03,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-20 12:27:03,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:27:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:27:04,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 12:27:04,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:27:04,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:27:04,342 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 4 loop predicates [2022-11-20 12:27:04,342 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 73 transitions. cyclomatic complexity: 27 Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:27:04,532 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 73 transitions. cyclomatic complexity: 27. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 104 states and 150 transitions. Complement of second has 17 states. [2022-11-20 12:27:04,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 5 stem states 4 non-accepting loop states 2 accepting loop states [2022-11-20 12:27:04,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:27:04,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 68 transitions. [2022-11-20 12:27:04,534 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 68 transitions. Stem has 33 letters. Loop has 4 letters. [2022-11-20 12:27:04,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:27:04,534 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 68 transitions. Stem has 37 letters. Loop has 4 letters. [2022-11-20 12:27:04,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:27:04,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 68 transitions. Stem has 33 letters. Loop has 8 letters. [2022-11-20 12:27:04,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:27:04,535 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 104 states and 150 transitions. [2022-11-20 12:27:04,539 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2022-11-20 12:27:04,540 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 104 states to 100 states and 142 transitions. [2022-11-20 12:27:04,540 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-11-20 12:27:04,540 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2022-11-20 12:27:04,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 100 states and 142 transitions. [2022-11-20 12:27:04,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:27:04,541 INFO L218 hiAutomatonCegarLoop]: Abstraction has 100 states and 142 transitions. [2022-11-20 12:27:04,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states and 142 transitions. [2022-11-20 12:27:04,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 82. [2022-11-20 12:27:04,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 82 states have (on average 1.451219512195122) internal successors, (119), 81 states have internal predecessors, (119), 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) [2022-11-20 12:27:04,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 119 transitions. [2022-11-20 12:27:04,546 INFO L240 hiAutomatonCegarLoop]: Abstraction has 82 states and 119 transitions. [2022-11-20 12:27:04,546 INFO L428 stractBuchiCegarLoop]: Abstraction has 82 states and 119 transitions. [2022-11-20 12:27:04,546 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-11-20 12:27:04,546 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 119 transitions. [2022-11-20 12:27:04,547 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2022-11-20 12:27:04,547 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:27:04,547 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:27:04,548 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 12:27:04,548 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:27:04,548 INFO L748 eck$LassoCheckResult]: Stem: 3387#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3388#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 3385#L565 assume !(main_~array_size~0#1 < 1); 3386#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 3389#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 3390#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 3391#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 3392#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 3410#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 3423#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 3422#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 3421#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 3420#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 3398#L552-4 lis_~i~0#1 := 1; 3399#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 3413#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 3433#L556 assume !lis_#t~short11#1; 3434#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 3429#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 3430#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 3411#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 3412#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 3439#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 3438#L556 assume !lis_#t~short11#1; 3437#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 3436#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 3435#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 3428#L556 assume !lis_#t~short11#1; 3431#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 3432#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 3426#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 3427#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 3414#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 3415#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 3394#L556 [2022-11-20 12:27:04,548 INFO L750 eck$LassoCheckResult]: Loop: 3394#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 3400#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 3404#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 3393#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 3394#L556 [2022-11-20 12:27:04,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:27:04,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1123738692, now seen corresponding path program 7 times [2022-11-20 12:27:04,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:27:04,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351115384] [2022-11-20 12:27:04,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:27:04,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:27:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:27:04,584 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:27:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:27:04,610 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:27:04,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:27:04,611 INFO L85 PathProgramCache]: Analyzing trace with hash 2224444, now seen corresponding path program 1 times [2022-11-20 12:27:04,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:27:04,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291884048] [2022-11-20 12:27:04,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:27:04,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:27:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:27:04,616 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:27:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:27:04,621 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:27:04,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:27:04,622 INFO L85 PathProgramCache]: Analyzing trace with hash -960824321, now seen corresponding path program 1 times [2022-11-20 12:27:04,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:27:04,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512609685] [2022-11-20 12:27:04,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:27:04,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:27:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:27:06,271 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 9 proven. 43 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 12:27:06,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:27:06,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512609685] [2022-11-20 12:27:06,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512609685] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:27:06,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856263911] [2022-11-20 12:27:06,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:27:06,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:27:06,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:27:06,275 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:27:06,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (102)] Waiting until timeout for monitored process [2022-11-20 12:27:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:27:06,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 61 conjunts are in the unsatisfiable core [2022-11-20 12:27:06,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:27:06,506 INFO L321 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2022-11-20 12:27:06,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 27 [2022-11-20 12:27:06,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 18 [2022-11-20 12:27:06,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-11-20 12:27:06,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 12:27:06,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-11-20 12:27:06,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2022-11-20 12:27:06,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:06,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:06,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:06,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-20 12:27:06,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2022-11-20 12:27:06,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:06,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:06,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:06,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 50 [2022-11-20 12:27:06,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2022-11-20 12:27:07,650 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 12:27:07,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 19 [2022-11-20 12:27:07,692 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 9 proven. 43 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 12:27:07,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:27:07,945 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_914 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|) (+ (* 4 |c_ULTIMATE.start_lis_~i~0#1|) |c_ULTIMATE.start_lis_~best~0#1.offset|) 1)) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_914) |c_ULTIMATE.start_lis_~best~0#1.base|))) (< (select .cse0 (+ 12 |c_ULTIMATE.start_lis_~best~0#1.offset|)) (+ (select .cse0 |c_ULTIMATE.start_lis_~best~0#1.offset|) 1)))) is different from false [2022-11-20 12:27:07,955 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_914 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_lis_~best~0#1.base|) (+ (* 4 |c_ULTIMATE.start_lis_~i~0#1|) 4 |c_ULTIMATE.start_lis_~best~0#1.offset|) 1)) |c_ULTIMATE.start_lis_~prev~0#1.base| v_ArrVal_914) |c_ULTIMATE.start_lis_~best~0#1.base|))) (< (select .cse0 (+ 12 |c_ULTIMATE.start_lis_~best~0#1.offset|)) (+ (select .cse0 |c_ULTIMATE.start_lis_~best~0#1.offset|) 1)))) is different from false [2022-11-20 12:27:08,591 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 12:27:08,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 479 treesize of output 300 [2022-11-20 12:27:08,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 566 treesize of output 560 [2022-11-20 12:27:08,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 714 treesize of output 666 [2022-11-20 12:27:08,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 614 treesize of output 566 [2022-11-20 12:27:08,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 922 treesize of output 874 [2022-11-20 12:27:08,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 902 treesize of output 854 [2022-11-20 12:27:08,868 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 12:27:08,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 914 treesize of output 880 [2022-11-20 12:27:09,524 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 7 trivial. 7 not checked. [2022-11-20 12:27:09,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856263911] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:27:09,524 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:27:09,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 15] total 39 [2022-11-20 12:27:09,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142527424] [2022-11-20 12:27:09,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:27:09,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:27:09,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-11-20 12:27:09,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1166, Unknown=22, NotChecked=142, Total=1482 [2022-11-20 12:27:09,738 INFO L87 Difference]: Start difference. First operand 82 states and 119 transitions. cyclomatic complexity: 47 Second operand has 39 states, 39 states have (on average 2.3333333333333335) internal successors, (91), 39 states have internal predecessors, (91), 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) [2022-11-20 12:27:13,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:27:13,001 INFO L93 Difference]: Finished difference Result 290 states and 411 transitions. [2022-11-20 12:27:13,002 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 290 states and 411 transitions. [2022-11-20 12:27:13,008 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 33 [2022-11-20 12:27:13,010 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 290 states to 284 states and 405 transitions. [2022-11-20 12:27:13,013 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 75 [2022-11-20 12:27:13,015 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 75 [2022-11-20 12:27:13,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 284 states and 405 transitions. [2022-11-20 12:27:13,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:27:13,015 INFO L218 hiAutomatonCegarLoop]: Abstraction has 284 states and 405 transitions. [2022-11-20 12:27:13,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states and 405 transitions. [2022-11-20 12:27:13,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 168. [2022-11-20 12:27:13,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 168 states have (on average 1.4464285714285714) internal successors, (243), 167 states have internal predecessors, (243), 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) [2022-11-20 12:27:13,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 243 transitions. [2022-11-20 12:27:13,026 INFO L240 hiAutomatonCegarLoop]: Abstraction has 168 states and 243 transitions. [2022-11-20 12:27:13,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-20 12:27:13,027 INFO L428 stractBuchiCegarLoop]: Abstraction has 168 states and 243 transitions. [2022-11-20 12:27:13,027 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-11-20 12:27:13,027 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 168 states and 243 transitions. [2022-11-20 12:27:13,029 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2022-11-20 12:27:13,029 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:27:13,029 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:27:13,030 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:27:13,030 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:27:13,030 INFO L748 eck$LassoCheckResult]: Stem: 4095#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4096#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~ret18#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; 4093#L565 assume !(main_~array_size~0#1 < 1); 4094#L565-2 call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;assume { :begin_inline_lis } true;lis_#in~a#1.base, lis_#in~a#1.offset, lis_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc lis_#res#1;havoc lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset, lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset, lis_#t~post4#1, lis_#t~mem7#1, lis_#t~mem8#1, lis_#t~mem10#1, lis_#t~mem9#1, lis_#t~short11#1, lis_#t~mem12#1, lis_#t~post6#1, lis_#t~post5#1, lis_#t~mem14#1, lis_#t~mem15#1, lis_#t~post13#1, lis_~a#1.base, lis_~a#1.offset, lis_~N#1, lis_~best~0#1.base, lis_~best~0#1.offset, lis_~prev~0#1.base, lis_~prev~0#1.offset, lis_~i~0#1, lis_~j~0#1, lis_~max~0#1;lis_~a#1.base, lis_~a#1.offset := lis_#in~a#1.base, lis_#in~a#1.offset;lis_~N#1 := lis_#in~N#1;havoc lis_~best~0#1.base, lis_~best~0#1.offset;havoc lis_~prev~0#1.base, lis_~prev~0#1.offset;havoc lis_~i~0#1;havoc lis_~j~0#1;lis_~max~0#1 := 0;call lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~best~0#1.base, lis_~best~0#1.offset := lis_#t~malloc2#1.base, lis_#t~malloc2#1.offset;call lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * lis_~N#1 % 18446744073709551616);lis_~prev~0#1.base, lis_~prev~0#1.offset := lis_#t~malloc3#1.base, lis_#t~malloc3#1.offset;lis_~i~0#1 := 0; 4097#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 4098#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 4099#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 4100#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 4119#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 4137#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 4135#L552-3 assume !!(lis_~i~0#1 < lis_~N#1);call write~int(1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call write~int(lis_~i~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 4136#L552-2 lis_#t~post4#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post4#1;havoc lis_#t~post4#1; 4195#L552-3 assume !(lis_~i~0#1 < lis_~N#1); 4194#L552-4 lis_~i~0#1 := 1; 4193#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 4192#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 4191#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 4188#L556-2 assume lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1;call lis_#t~mem12#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);call write~int(1 + lis_#t~mem12#1, lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);havoc lis_#t~mem12#1;call write~int(lis_~j~0#1, lis_~prev~0#1.base, lis_~prev~0#1.offset + 4 * lis_~i~0#1, 4); 4141#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 4142#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 4228#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 4227#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 4226#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 4224#L556 assume !lis_#t~short11#1; 4222#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 4174#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 4219#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 4213#L556 assume !lis_#t~short11#1; 4217#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 4168#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 4212#L555-3 assume !(lis_~j~0#1 < lis_~i~0#1); 4210#L554-2 lis_#t~post5#1 := lis_~i~0#1;lis_~i~0#1 := 1 + lis_#t~post5#1;havoc lis_#t~post5#1; 4206#L554-3 assume !!(lis_~i~0#1 < lis_~N#1);lis_~j~0#1 := 0; 4207#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 4104#L556 [2022-11-20 12:27:13,031 INFO L750 eck$LassoCheckResult]: Loop: 4104#L556 assume lis_#t~short11#1;call lis_#t~mem10#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem9#1 := read~int(lis_~best~0#1.base, lis_~best~0#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem10#1 < 1 + lis_#t~mem9#1; 4108#L556-2 assume !lis_#t~short11#1;havoc lis_#t~mem7#1;havoc lis_#t~mem8#1;havoc lis_#t~mem10#1;havoc lis_#t~mem9#1;havoc lis_#t~short11#1; 4114#L555-2 lis_#t~post6#1 := lis_~j~0#1;lis_~j~0#1 := 1 + lis_#t~post6#1;havoc lis_#t~post6#1; 4103#L555-3 assume !!(lis_~j~0#1 < lis_~i~0#1);call lis_#t~mem7#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~i~0#1, 4);call lis_#t~mem8#1 := read~int(lis_~a#1.base, lis_~a#1.offset + 4 * lis_~j~0#1, 4);lis_#t~short11#1 := lis_#t~mem7#1 > lis_#t~mem8#1; 4104#L556 [2022-11-20 12:27:13,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:27:13,031 INFO L85 PathProgramCache]: Analyzing trace with hash 411264004, now seen corresponding path program 3 times [2022-11-20 12:27:13,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:27:13,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105134220] [2022-11-20 12:27:13,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:27:13,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:27:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:27:13,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:27:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:27:13,136 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:27:13,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:27:13,137 INFO L85 PathProgramCache]: Analyzing trace with hash 2224444, now seen corresponding path program 2 times [2022-11-20 12:27:13,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:27:13,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957439509] [2022-11-20 12:27:13,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:27:13,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:27:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:27:13,143 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:27:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:27:13,148 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:27:13,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:27:13,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1602380865, now seen corresponding path program 4 times [2022-11-20 12:27:13,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:27:13,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332058257] [2022-11-20 12:27:13,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:27:13,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:27:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:27:14,834 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 9 proven. 44 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 12:27:14,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:27:14,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332058257] [2022-11-20 12:27:14,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332058257] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:27:14,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929329905] [2022-11-20 12:27:14,835 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 12:27:14,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:27:14,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:27:14,839 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:27:14,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f8331bf-6313-49c0-8a83-ec1298fc6b56/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (103)] Waiting until timeout for monitored process [2022-11-20 12:27:15,129 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 12:27:15,130 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:27:15,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 74 conjunts are in the unsatisfiable core [2022-11-20 12:27:15,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:27:15,197 INFO L321 Elim1Store]: treesize reduction 17, result has 51.4 percent of original size [2022-11-20 12:27:15,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 66 [2022-11-20 12:27:15,228 INFO L321 Elim1Store]: treesize reduction 43, result has 29.5 percent of original size [2022-11-20 12:27:15,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 83 [2022-11-20 12:27:15,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-20 12:27:15,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-11-20 12:27:15,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-20 12:27:15,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 41 [2022-11-20 12:27:15,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-11-20 12:27:15,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:15,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:15,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 12:27:15,504 INFO L321 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2022-11-20 12:27:15,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 56 [2022-11-20 12:27:15,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:15,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:15,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:15,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:15,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:15,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:15,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 12:27:15,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:15,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:15,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 12:27:15,721 INFO L321 Elim1Store]: treesize reduction 33, result has 31.3 percent of original size [2022-11-20 12:27:15,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 89 treesize of output 84 [2022-11-20 12:27:15,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:15,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:15,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:15,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:15,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:15,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:15,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:15,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 12:27:15,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:15,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:15,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:15,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:15,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 12:27:15,993 INFO L321 Elim1Store]: treesize reduction 33, result has 31.3 percent of original size [2022-11-20 12:27:15,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 101 treesize of output 99 [2022-11-20 12:27:16,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:16,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:16,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 12:27:16,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 12:27:16,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:16,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:16,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:27:16,905 INFO L321 Elim1Store]: treesize reduction 36, result has 29.4 percent of original size [2022-11-20 12:27:16,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 107 treesize of output 115 [2022-11-20 12:27:16,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 69 [2022-11-20 12:27:16,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2022-11-20 12:27:17,421 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 12:27:17,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 16 [2022-11-20 12:27:17,468 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 9 proven. 44 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 12:27:17,468 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:28:00,669 INFO L321 Elim1Store]: treesize reduction 17, result has 66.0 percent of original size [2022-11-20 12:28:00,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 27619 treesize of output 17667 [2022-11-20 12:28:00,876 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 12:28:00,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 8817 treesize of output 6139 [2022-11-20 12:28:06,317 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 12:28:06,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52599 treesize of output 51915 [2022-11-20 12:28:06,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 12:28:06,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 12:28:06,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 12:28:06,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 12:28:06,591 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 12:28:07,439 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 12:28:07,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1561243 treesize of output 1525397 [2022-11-20 12:30:02,893 WARN L233 SmtUtils]: Spent 1.92m on a formula simplification. DAG size of input: 6421 DAG size of output: 6206 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 12:30:03,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1099317 treesize of output 1097781 [2022-11-20 12:30:15,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 12:30:15,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 12:30:15,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 12:30:15,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 12:30:15,734 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 12:30:18,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 177302007 treesize of output 175596835