./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/count_up_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a 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_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/count_up_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R --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 f12e3955ea6fcca41dc2c68fc8e1d5a42d0369455d727c76f4dfb832d3060ba5 --- 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-38b53e6 [2022-11-25 18:23:18,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:23:18,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:23:18,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:23:18,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:23:18,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:23:18,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:23:18,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:23:18,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:23:18,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:23:18,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:23:18,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:23:18,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:23:18,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:23:18,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:23:18,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:23:18,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:23:18,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:23:18,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:23:18,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:23:18,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:23:18,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:23:18,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:23:18,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:23:18,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:23:18,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:23:18,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:23:18,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:23:18,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:23:18,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:23:18,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:23:18,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:23:18,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:23:18,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:23:18,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:23:18,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:23:18,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:23:18,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:23:18,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:23:18,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:23:18,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:23:18,727 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-25 18:23:18,768 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:23:18,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:23:18,773 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:23:18,773 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:23:18,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:23:18,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:23:18,775 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:23:18,775 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 18:23:18,776 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 18:23:18,776 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 18:23:18,777 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 18:23:18,777 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 18:23:18,778 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 18:23:18,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:23:18,778 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:23:18,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:23:18,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:23:18,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 18:23:18,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 18:23:18,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 18:23:18,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:23:18,780 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 18:23:18,780 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:23:18,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 18:23:18,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:23:18,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:23:18,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:23:18,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:23:18,784 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 18:23:18,784 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_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f12e3955ea6fcca41dc2c68fc8e1d5a42d0369455d727c76f4dfb832d3060ba5 [2022-11-25 18:23:19,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:23:19,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:23:19,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:23:19,206 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:23:19,207 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:23:19,208 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-15/count_up_alloca.i [2022-11-25 18:23:22,743 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:23:23,077 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:23:23,078 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/sv-benchmarks/c/termination-15/count_up_alloca.i [2022-11-25 18:23:23,087 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/data/da83a9991/ecc046a8901c4b29ae7c4a4110db149d/FLAG3cad82bdf [2022-11-25 18:23:23,102 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/data/da83a9991/ecc046a8901c4b29ae7c4a4110db149d [2022-11-25 18:23:23,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:23:23,106 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:23:23,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:23:23,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:23:23,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:23:23,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:23:23" (1/1) ... [2022-11-25 18:23:23,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75afe121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:23, skipping insertion in model container [2022-11-25 18:23:23,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:23:23" (1/1) ... [2022-11-25 18:23:23,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:23:23,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:23:23,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:23:23,525 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:23:23,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:23:23,657 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:23:23,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:23 WrapperNode [2022-11-25 18:23:23,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:23:23,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:23:23,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:23:23,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:23:23,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:23" (1/1) ... [2022-11-25 18:23:23,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:23" (1/1) ... [2022-11-25 18:23:23,739 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2022-11-25 18:23:23,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:23:23,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:23:23,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:23:23,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:23:23,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:23" (1/1) ... [2022-11-25 18:23:23,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:23" (1/1) ... [2022-11-25 18:23:23,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:23" (1/1) ... [2022-11-25 18:23:23,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:23" (1/1) ... [2022-11-25 18:23:23,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:23" (1/1) ... [2022-11-25 18:23:23,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:23" (1/1) ... [2022-11-25 18:23:23,792 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:23" (1/1) ... [2022-11-25 18:23:23,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:23" (1/1) ... [2022-11-25 18:23:23,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:23:23,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:23:23,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:23:23,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:23:23,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:23" (1/1) ... [2022-11-25 18:23:23,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:23,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:23,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:23,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 18:23:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:23:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:23:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:23:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:23:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:23:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:23:24,002 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:23:24,005 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:23:24,198 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:23:24,206 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:23:24,206 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-25 18:23:24,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:23:24 BoogieIcfgContainer [2022-11-25 18:23:24,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:23:24,210 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 18:23:24,210 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 18:23:24,215 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 18:23:24,216 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:23:24,217 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 06:23:23" (1/3) ... [2022-11-25 18:23:24,218 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78c08b19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 06:23:24, skipping insertion in model container [2022-11-25 18:23:24,218 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:23:24,219 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:23" (2/3) ... [2022-11-25 18:23:24,219 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78c08b19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 06:23:24, skipping insertion in model container [2022-11-25 18:23:24,219 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:23:24,219 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:23:24" (3/3) ... [2022-11-25 18:23:24,221 INFO L332 chiAutomizerObserver]: Analyzing ICFG count_up_alloca.i [2022-11-25 18:23:24,291 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 18:23:24,292 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 18:23:24,292 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 18:23:24,292 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 18:23:24,292 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 18:23:24,292 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 18:23:24,293 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 18:23:24,293 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 18:23:24,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:24,324 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-25 18:23:24,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:23:24,325 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:23:24,331 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-25 18:23:24,332 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-25 18:23:24,332 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 18:23:24,332 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:24,334 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-25 18:23:24,334 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:23:24,335 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:23:24,335 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-25 18:23:24,335 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-25 18:23:24,359 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 6#L369true assume !(main_~length~0#1 < 1); 11#L369-2true call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 14#L371true assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 17#L372-3true [2022-11-25 18:23:24,369 INFO L750 eck$LassoCheckResult]: Loop: 17#L372-3true assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 19#L374true assume main_~val~0#1 > main_~limit~0#1;main_~val~0#1 := main_~limit~0#1; 3#L374-2true call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 16#L372-2true main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 17#L372-3true [2022-11-25 18:23:24,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:24,376 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2022-11-25 18:23:24,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:24,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177917702] [2022-11-25 18:23:24,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:24,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:24,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:24,603 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:24,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:24,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1603878, now seen corresponding path program 1 times [2022-11-25 18:23:24,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:24,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026383573] [2022-11-25 18:23:24,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:24,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:24,640 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:24,673 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:24,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:24,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1182970350, now seen corresponding path program 1 times [2022-11-25 18:23:24,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:24,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752370219] [2022-11-25 18:23:24,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:24,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:24,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:24,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:25,225 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 18:23:25,227 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 18:23:25,227 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 18:23:25,228 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 18:23:25,228 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 18:23:25,228 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:25,229 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 18:23:25,229 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 18:23:25,230 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_up_alloca.i_Iteration1_Lasso [2022-11-25 18:23:25,230 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 18:23:25,230 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 18:23:25,267 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:25,331 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:25,335 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:25,342 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:25,345 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:25,350 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:25,354 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:25,357 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:25,638 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:25,641 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:25,645 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:25,649 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:26,024 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 18:23:26,029 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 18:23:26,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:26,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:26,038 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:26,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 18:23:26,051 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 [2022-11-25 18:23:26,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:26,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:26,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:26,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:26,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:26,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:26,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:26,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-25 18:23:26,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:26,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:26,099 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:26,113 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 [2022-11-25 18:23:26,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 18:23:26,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:26,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:26,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:26,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:26,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:26,131 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:26,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:26,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:26,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-11-25 18:23:26,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:26,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:26,152 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:26,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 18:23:26,156 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 [2022-11-25 18:23:26,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:26,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:26,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:26,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:26,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:26,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:26,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:26,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:26,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:26,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:26,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:26,202 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:26,207 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 [2022-11-25 18:23:26,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 18:23:26,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:26,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:26,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:26,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:26,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:26,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:26,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:26,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:26,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:26,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:26,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:26,253 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:26,263 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 [2022-11-25 18:23:26,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 18:23:26,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:26,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:26,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:26,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:26,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:26,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:26,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:26,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:26,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:26,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:26,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:26,302 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:26,316 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 [2022-11-25 18:23:26,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 18:23:26,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:26,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:26,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:26,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:26,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:26,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:26,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:26,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:26,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:26,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:26,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:26,362 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:26,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 18:23:26,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 18:23:26,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:26,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:26,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:26,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:26,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:26,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:26,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:26,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:26,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:26,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:26,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:26,415 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:26,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 18:23:26,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-25 18:23:26,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:26,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:26,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:26,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:26,453 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:26,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:26,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:26,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:26,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:26,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:26,481 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:26,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-25 18:23:26,489 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 [2022-11-25 18:23:26,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:26,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:26,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:26,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:26,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:26,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:26,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:26,522 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:26,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:26,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:26,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:26,533 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:26,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-25 18:23:26,545 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 [2022-11-25 18:23:26,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:26,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:26,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:26,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:26,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:26,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:26,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:26,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:26,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:26,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:26,601 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:26,610 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 [2022-11-25 18:23:26,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:26,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:26,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:26,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:26,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:26,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-25 18:23:26,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:26,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:26,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:26,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:26,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:26,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:26,649 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:26,664 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 [2022-11-25 18:23:26,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-25 18:23:26,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:26,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:26,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:26,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:26,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:26,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:26,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:26,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:26,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:26,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:26,707 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:26,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-25 18:23:26,711 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 [2022-11-25 18:23:26,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:26,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:26,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:26,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:26,740 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:26,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:26,770 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 18:23:26,841 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-25 18:23:26,841 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-11-25 18:23:26,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:26,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:26,882 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:26,888 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 18:23:26,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-25 18:23:26,906 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 18:23:26,906 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 18:23:26,907 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~arr~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc207#1.base)_1) = -4*ULTIMATE.start_main_~i~0#1 - 1*ULTIMATE.start_main_~arr~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc207#1.base)_1 Supporting invariants [] [2022-11-25 18:23:26,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:26,939 INFO L156 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2022-11-25 18:23:26,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:27,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 18:23:27,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:27,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 18:23:27,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:27,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:27,146 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-25 18:23:27,149 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 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) [2022-11-25 18:23:27,275 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 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 40 states and 57 transitions. Complement of second has 9 states. [2022-11-25 18:23:27,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-25 18:23:27,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 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) [2022-11-25 18:23:27,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 37 transitions. [2022-11-25 18:23:27,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-25 18:23:27,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:27,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 9 letters. Loop has 4 letters. [2022-11-25 18:23:27,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:27,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 5 letters. Loop has 8 letters. [2022-11-25 18:23:27,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:27,295 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 57 transitions. [2022-11-25 18:23:27,298 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-25 18:23:27,302 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 15 states and 20 transitions. [2022-11-25 18:23:27,303 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-25 18:23:27,304 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-25 18:23:27,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2022-11-25 18:23:27,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:23:27,305 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-25 18:23:27,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2022-11-25 18:23:27,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-25 18:23:27,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 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) [2022-11-25 18:23:27,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2022-11-25 18:23:27,334 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-25 18:23:27,334 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-25 18:23:27,335 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 18:23:27,335 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2022-11-25 18:23:27,335 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-25 18:23:27,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:23:27,336 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:23:27,336 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:23:27,336 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-25 18:23:27,337 INFO L748 eck$LassoCheckResult]: Stem: 135#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 136#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 137#L369 assume !(main_~length~0#1 < 1); 138#L369-2 call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 142#L371 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 143#L372-3 assume !(main_~i~0#1 < main_~length~0#1); 141#L372-4 main_~j~0#1 := 0; 134#L379-3 [2022-11-25 18:23:27,337 INFO L750 eck$LassoCheckResult]: Loop: 134#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 139#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 140#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 133#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 134#L379-3 [2022-11-25 18:23:27,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:27,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815512, now seen corresponding path program 1 times [2022-11-25 18:23:27,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:27,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548777816] [2022-11-25 18:23:27,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:27,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:27,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:27,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:27,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:23:27,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548777816] [2022-11-25 18:23:27,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548777816] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:23:27,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:23:27,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:23:27,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951485992] [2022-11-25 18:23:27,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:23:27,513 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 18:23:27,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:27,513 INFO L85 PathProgramCache]: Analyzing trace with hash 2252300, now seen corresponding path program 1 times [2022-11-25 18:23:27,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:27,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505195693] [2022-11-25 18:23:27,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:27,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:27,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:27,527 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:27,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:23:27,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:23:27,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:23:27,616 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:27,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:23:27,673 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2022-11-25 18:23:27,673 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2022-11-25 18:23:27,674 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-25 18:23:27,677 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 23 transitions. [2022-11-25 18:23:27,678 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-25 18:23:27,678 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-25 18:23:27,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2022-11-25 18:23:27,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:23:27,679 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-11-25 18:23:27,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2022-11-25 18:23:27,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2022-11-25 18:23:27,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 14 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) [2022-11-25 18:23:27,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2022-11-25 18:23:27,686 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-25 18:23:27,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:23:27,688 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-25 18:23:27,689 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-25 18:23:27,689 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2022-11-25 18:23:27,690 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-25 18:23:27,692 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:23:27,692 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:23:27,696 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:23:27,696 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-25 18:23:27,696 INFO L748 eck$LassoCheckResult]: Stem: 175#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 176#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 177#L369 assume !(main_~length~0#1 < 1); 178#L369-2 call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 182#L371 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 183#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 185#L374 assume !(main_~val~0#1 > main_~limit~0#1); 171#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 172#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 184#L372-3 assume !(main_~i~0#1 < main_~length~0#1); 181#L372-4 main_~j~0#1 := 0; 174#L379-3 [2022-11-25 18:23:27,697 INFO L750 eck$LassoCheckResult]: Loop: 174#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 179#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 180#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 173#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 174#L379-3 [2022-11-25 18:23:27,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:27,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1329979393, now seen corresponding path program 1 times [2022-11-25 18:23:27,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:27,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863361980] [2022-11-25 18:23:27,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:27,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:27,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:27,745 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:27,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:27,746 INFO L85 PathProgramCache]: Analyzing trace with hash 2252300, now seen corresponding path program 2 times [2022-11-25 18:23:27,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:27,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400600069] [2022-11-25 18:23:27,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:27,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:27,762 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:27,775 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:27,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:27,775 INFO L85 PathProgramCache]: Analyzing trace with hash -2035265782, now seen corresponding path program 1 times [2022-11-25 18:23:27,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:27,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208031252] [2022-11-25 18:23:27,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:27,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:27,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:27,813 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:28,202 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 18:23:28,202 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 18:23:28,202 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 18:23:28,202 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 18:23:28,202 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 18:23:28,202 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:28,203 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 18:23:28,203 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 18:23:28,203 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_up_alloca.i_Iteration3_Lasso [2022-11-25 18:23:28,203 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 18:23:28,203 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 18:23:28,206 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:28,211 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:28,214 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:28,217 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:28,221 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:28,224 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:28,228 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:28,231 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:28,234 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:28,237 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:28,507 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:28,511 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:28,874 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 18:23:28,874 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 18:23:28,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:28,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:28,882 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:28,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-25 18:23:28,895 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 [2022-11-25 18:23:28,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:28,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:28,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:28,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:28,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:28,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:28,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:28,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:28,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:28,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:28,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:28,941 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:28,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-25 18:23:28,948 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 [2022-11-25 18:23:28,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:28,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:28,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:28,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:28,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:28,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:28,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:28,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:28,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:28,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:28,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:28,990 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:29,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 18:23:29,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-25 18:23:29,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:29,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:29,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:29,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:29,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:29,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:29,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:29,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:29,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:29,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:29,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:29,048 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:29,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-25 18:23:29,057 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 [2022-11-25 18:23:29,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:29,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:29,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:29,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:29,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:29,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:29,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:29,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:29,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:29,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:29,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:29,086 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:29,091 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 [2022-11-25 18:23:29,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-25 18:23:29,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:29,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:29,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:29,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:29,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:29,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:29,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:29,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:29,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:29,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:29,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:29,130 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:29,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-25 18:23:29,135 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 [2022-11-25 18:23:29,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:29,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:29,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:29,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:29,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:29,153 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:29,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:29,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:29,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:29,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:29,210 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:29,215 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 [2022-11-25 18:23:29,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-25 18:23:29,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:29,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:29,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:29,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:29,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:29,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:29,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:29,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:29,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:29,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:29,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:29,266 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:29,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 18:23:29,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-25 18:23:29,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:29,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:29,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:29,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:29,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:29,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:29,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:29,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:29,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:29,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:29,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:29,319 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:29,327 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 [2022-11-25 18:23:29,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-25 18:23:29,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:29,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:29,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:29,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:29,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:29,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:29,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:29,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:29,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:29,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:29,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:29,373 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:29,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 18:23:29,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-25 18:23:29,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:29,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:29,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:29,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:29,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:29,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:29,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:29,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:29,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:29,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:29,435 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:29,443 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 [2022-11-25 18:23:29,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-25 18:23:29,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:29,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:29,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:29,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:29,470 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:29,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:29,506 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 18:23:29,538 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-25 18:23:29,539 INFO L444 ModelExtractionUtils]: 6 out of 25 variables were initially zero. Simplification set additionally 16 variables to zero. [2022-11-25 18:23:29,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:29,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:29,541 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:29,545 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 18:23:29,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-25 18:23:29,587 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 18:23:29,587 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 18:23:29,588 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length~0#1, ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~length~0#1 - 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2022-11-25 18:23:29,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:29,614 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-11-25 18:23:29,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:29,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:23:29,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:29,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 18:23:29,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:29,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:29,730 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 [2022-11-25 18:23:29,731 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-25 18:23:29,757 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 20 states and 26 transitions. Complement of second has 4 states. [2022-11-25 18:23:29,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-25 18:23:29,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-25 18:23:29,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2022-11-25 18:23:29,762 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 11 letters. Loop has 4 letters. [2022-11-25 18:23:29,762 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:29,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 4 letters. [2022-11-25 18:23:29,763 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:29,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 11 letters. Loop has 8 letters. [2022-11-25 18:23:29,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:29,764 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 26 transitions. [2022-11-25 18:23:29,774 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 18:23:29,775 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 19 states and 25 transitions. [2022-11-25 18:23:29,775 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-25 18:23:29,775 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-25 18:23:29,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2022-11-25 18:23:29,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 18:23:29,776 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-11-25 18:23:29,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2022-11-25 18:23:29,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2022-11-25 18:23:29,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 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) [2022-11-25 18:23:29,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2022-11-25 18:23:29,779 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-25 18:23:29,780 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-25 18:23:29,780 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-25 18:23:29,780 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2022-11-25 18:23:29,782 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 18:23:29,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:23:29,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:23:29,784 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:23:29,784 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 18:23:29,784 INFO L748 eck$LassoCheckResult]: Stem: 284#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 285#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 288#L369 assume !(main_~length~0#1 < 1); 289#L369-2 call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 295#L371 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 297#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 299#L374 assume !(main_~val~0#1 > main_~limit~0#1); 282#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 283#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 298#L372-3 assume !(main_~i~0#1 < main_~length~0#1); 296#L372-4 main_~j~0#1 := 0; 290#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 292#L380-3 [2022-11-25 18:23:29,784 INFO L750 eck$LassoCheckResult]: Loop: 292#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 293#L380-1 assume !!(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1;call main_#t~mem212#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post213#1 := main_#t~mem212#1;call write~int(1 + main_#t~post213#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem212#1;havoc main_#t~post213#1; 292#L380-3 [2022-11-25 18:23:29,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:29,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1720311820, now seen corresponding path program 1 times [2022-11-25 18:23:29,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:29,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140833677] [2022-11-25 18:23:29,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:29,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:29,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:29,835 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:29,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:29,835 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 1 times [2022-11-25 18:23:29,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:29,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811817337] [2022-11-25 18:23:29,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:29,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:29,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:29,867 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:29,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:29,868 INFO L85 PathProgramCache]: Analyzing trace with hash -342748399, now seen corresponding path program 1 times [2022-11-25 18:23:29,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:29,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698348181] [2022-11-25 18:23:29,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:29,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:29,909 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:29,936 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:30,297 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 18:23:30,298 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 18:23:30,298 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 18:23:30,298 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 18:23:30,298 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 18:23:30,298 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:30,298 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 18:23:30,298 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 18:23:30,298 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_up_alloca.i_Iteration4_Lasso [2022-11-25 18:23:30,298 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 18:23:30,299 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 18:23:30,302 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:30,307 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:30,310 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:30,312 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:30,315 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:30,318 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:30,322 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:30,324 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:30,584 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:30,587 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:30,590 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:30,595 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:30,943 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 18:23:30,943 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 18:23:30,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:30,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:30,945 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:30,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 18:23:30,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-25 18:23:30,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:30,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:30,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:30,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:30,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:30,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:30,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:30,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:30,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:30,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:30,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:30,974 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:30,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-25 18:23:30,977 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 [2022-11-25 18:23:30,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:30,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:30,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:30,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:30,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:30,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:30,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:31,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:31,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:31,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:31,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:31,018 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:31,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-25 18:23:31,022 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 [2022-11-25 18:23:31,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:31,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:31,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:31,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:31,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:31,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:31,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:31,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:31,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-25 18:23:31,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:31,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:31,041 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:31,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-25 18:23:31,045 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 [2022-11-25 18:23:31,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:31,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:31,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:31,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:31,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:31,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:31,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:31,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-25 18:23:31,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:31,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:31,067 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:31,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-25 18:23:31,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 18:23:31,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:31,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:31,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:31,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:31,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:31,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:31,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:31,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:31,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-11-25 18:23:31,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:31,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:31,106 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:31,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-25 18:23:31,112 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 [2022-11-25 18:23:31,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:31,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:31,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:31,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:31,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:31,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:31,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:31,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:31,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-25 18:23:31,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:31,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:31,130 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:31,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-25 18:23:31,134 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 [2022-11-25 18:23:31,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:31,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:31,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:31,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:31,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:31,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:31,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:31,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:31,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:31,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:31,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:31,153 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:31,160 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 [2022-11-25 18:23:31,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-25 18:23:31,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:31,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:31,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:31,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:31,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:31,187 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:31,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:31,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:31,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:31,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:31,221 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:31,231 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 [2022-11-25 18:23:31,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-25 18:23:31,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:31,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:31,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:31,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:31,251 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:31,251 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:31,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:31,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:31,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:31,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:31,290 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:31,295 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 [2022-11-25 18:23:31,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-25 18:23:31,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:31,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:31,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:31,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:31,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:31,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:31,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:31,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:31,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:31,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:31,342 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:31,346 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 [2022-11-25 18:23:31,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-25 18:23:31,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:31,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:31,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:31,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:31,366 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:31,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:31,386 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 18:23:31,415 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-25 18:23:31,416 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-11-25 18:23:31,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:31,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:31,417 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:31,423 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 18:23:31,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-25 18:23:31,450 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 18:23:31,450 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 18:23:31,450 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) ULTIMATE.start_main_~arr~0#1.offset)_1, ULTIMATE.start_main_~limit~0#1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) ULTIMATE.start_main_~arr~0#1.offset)_1 + 1*ULTIMATE.start_main_~limit~0#1 Supporting invariants [] [2022-11-25 18:23:31,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:31,472 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2022-11-25 18:23:31,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:31,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 18:23:31,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:31,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:23:31,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:31,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:31,610 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-25 18:23:31,611 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:31,663 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 35 transitions. Complement of second has 8 states. [2022-11-25 18:23:31,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-25 18:23:31,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:31,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2022-11-25 18:23:31,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 12 letters. Loop has 2 letters. [2022-11-25 18:23:31,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:31,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 14 letters. Loop has 2 letters. [2022-11-25 18:23:31,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:31,667 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 12 letters. Loop has 4 letters. [2022-11-25 18:23:31,667 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:31,667 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 35 transitions. [2022-11-25 18:23:31,668 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 18:23:31,669 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 22 states and 28 transitions. [2022-11-25 18:23:31,669 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-25 18:23:31,669 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-25 18:23:31,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2022-11-25 18:23:31,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 18:23:31,670 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2022-11-25 18:23:31,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2022-11-25 18:23:31,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2022-11-25 18:23:31,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 20 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) [2022-11-25 18:23:31,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2022-11-25 18:23:31,673 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-11-25 18:23:31,673 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-11-25 18:23:31,673 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-25 18:23:31,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 27 transitions. [2022-11-25 18:23:31,674 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 18:23:31,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:23:31,674 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:23:31,675 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:23:31,675 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 18:23:31,675 INFO L748 eck$LassoCheckResult]: Stem: 419#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 420#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 421#L369 assume !(main_~length~0#1 < 1); 422#L369-2 call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 431#L371 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 432#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 434#L374 assume !(main_~val~0#1 > main_~limit~0#1); 415#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 416#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 433#L372-3 assume !(main_~i~0#1 < main_~length~0#1); 430#L372-4 main_~j~0#1 := 0; 423#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 424#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 428#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 417#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 418#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 426#L380-3 [2022-11-25 18:23:31,676 INFO L750 eck$LassoCheckResult]: Loop: 426#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 427#L380-1 assume !!(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1;call main_#t~mem212#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post213#1 := main_#t~mem212#1;call write~int(1 + main_#t~post213#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem212#1;havoc main_#t~post213#1; 426#L380-3 [2022-11-25 18:23:31,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:31,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1331270241, now seen corresponding path program 2 times [2022-11-25 18:23:31,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:31,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689324349] [2022-11-25 18:23:31,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:31,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:31,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:31,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:31,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:31,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:23:31,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689324349] [2022-11-25 18:23:31,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689324349] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:23:31,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178525617] [2022-11-25 18:23:31,839 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:23:31,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:23:31,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:31,840 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:23:31,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2022-11-25 18:23:31,916 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 18:23:31,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:23:31,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 18:23:31,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:32,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:32,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:23:32,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:32,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178525617] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:23:32,086 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:23:32,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2022-11-25 18:23:32,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423073292] [2022-11-25 18:23:32,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:23:32,088 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 18:23:32,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:32,089 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 2 times [2022-11-25 18:23:32,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:32,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371989535] [2022-11-25 18:23:32,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:32,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:32,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:32,124 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:32,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:23:32,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 18:23:32,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:23:32,178 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. cyclomatic complexity: 10 Second operand has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 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) [2022-11-25 18:23:32,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:23:32,372 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions. [2022-11-25 18:23:32,372 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 57 transitions. [2022-11-25 18:23:32,373 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 18:23:32,374 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 28 states and 35 transitions. [2022-11-25 18:23:32,374 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-25 18:23:32,374 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-25 18:23:32,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 35 transitions. [2022-11-25 18:23:32,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 18:23:32,374 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 35 transitions. [2022-11-25 18:23:32,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 35 transitions. [2022-11-25 18:23:32,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2022-11-25 18:23:32,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 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) [2022-11-25 18:23:32,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2022-11-25 18:23:32,377 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-11-25 18:23:32,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 18:23:32,382 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-11-25 18:23:32,383 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-25 18:23:32,383 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 31 transitions. [2022-11-25 18:23:32,384 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 18:23:32,387 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:23:32,387 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:23:32,388 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:23:32,389 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 18:23:32,389 INFO L748 eck$LassoCheckResult]: Stem: 599#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 600#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 601#L369 assume !(main_~length~0#1 < 1); 602#L369-2 call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 611#L371 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 612#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 614#L374 assume !(main_~val~0#1 > main_~limit~0#1); 619#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 618#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 615#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 616#L374 assume !(main_~val~0#1 > main_~limit~0#1); 595#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 596#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 613#L372-3 assume !(main_~i~0#1 < main_~length~0#1); 610#L372-4 main_~j~0#1 := 0; 603#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 604#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 617#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 597#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 598#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 606#L380-3 [2022-11-25 18:23:32,389 INFO L750 eck$LassoCheckResult]: Loop: 606#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 607#L380-1 assume !!(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1;call main_#t~mem212#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post213#1 := main_#t~mem212#1;call write~int(1 + main_#t~post213#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem212#1;havoc main_#t~post213#1; 606#L380-3 [2022-11-25 18:23:32,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:32,390 INFO L85 PathProgramCache]: Analyzing trace with hash 34477914, now seen corresponding path program 3 times [2022-11-25 18:23:32,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:32,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739119042] [2022-11-25 18:23:32,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:32,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:32,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:32,426 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:32,465 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:32,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:32,466 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 3 times [2022-11-25 18:23:32,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:32,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489010857] [2022-11-25 18:23:32,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:32,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:32,480 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:32,485 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:32,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:32,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1226461473, now seen corresponding path program 1 times [2022-11-25 18:23:32,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:32,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336127819] [2022-11-25 18:23:32,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:32,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:32,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:32,553 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:33,157 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 18:23:33,157 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 18:23:33,158 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 18:23:33,158 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 18:23:33,158 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 18:23:33,158 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:33,158 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 18:23:33,158 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 18:23:33,159 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_up_alloca.i_Iteration6_Lasso [2022-11-25 18:23:33,159 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 18:23:33,159 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 18:23:33,162 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:33,536 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:33,539 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:33,543 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:33,545 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:33,549 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:33,552 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:33,555 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:33,558 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:33,562 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:33,565 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:33,568 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:33,983 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 18:23:33,983 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 18:23:33,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:33,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:33,985 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:33,995 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 [2022-11-25 18:23:34,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-25 18:23:34,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:34,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:34,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:34,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:34,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:34,017 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:34,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:34,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:34,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:34,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:34,041 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:34,051 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 [2022-11-25 18:23:34,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:34,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:34,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:34,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:34,071 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:34,071 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:34,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-25 18:23:34,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:34,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:34,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:34,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:34,101 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:34,111 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 [2022-11-25 18:23:34,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-25 18:23:34,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:34,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:34,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:34,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:34,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:34,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:34,162 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 18:23:34,224 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2022-11-25 18:23:34,224 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 15 variables to zero. [2022-11-25 18:23:34,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:34,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:34,226 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:34,231 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 18:23:34,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-25 18:23:34,275 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 18:23:34,275 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 18:23:34,275 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 4))_1, ULTIMATE.start_main_~limit~0#1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 4))_1 + 1*ULTIMATE.start_main_~limit~0#1 Supporting invariants [] [2022-11-25 18:23:34,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:34,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:34,346 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2022-11-25 18:23:34,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:34,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 18:23:34,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:34,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:23:34,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:34,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:34,516 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 [2022-11-25 18:23:34,517 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:34,544 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 33 transitions. Complement of second has 4 states. [2022-11-25 18:23:34,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-25 18:23:34,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:34,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-25 18:23:34,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 20 letters. Loop has 2 letters. [2022-11-25 18:23:34,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:34,547 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-25 18:23:34,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:34,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 18:23:34,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:34,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:23:34,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:34,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:34,707 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-25 18:23:34,707 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:34,735 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 33 transitions. Complement of second has 4 states. [2022-11-25 18:23:34,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-25 18:23:34,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:34,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-25 18:23:34,737 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 20 letters. Loop has 2 letters. [2022-11-25 18:23:34,737 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:34,737 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-25 18:23:34,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:34,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 18:23:34,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:34,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:23:34,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:34,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:34,911 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-25 18:23:34,911 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:35,003 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 50 transitions. Complement of second has 10 states. [2022-11-25 18:23:35,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-25 18:23:35,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:35,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 33 transitions. [2022-11-25 18:23:35,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 33 transitions. Stem has 20 letters. Loop has 2 letters. [2022-11-25 18:23:35,006 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:35,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 33 transitions. Stem has 22 letters. Loop has 2 letters. [2022-11-25 18:23:35,006 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:35,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 33 transitions. Stem has 20 letters. Loop has 4 letters. [2022-11-25 18:23:35,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:35,007 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 50 transitions. [2022-11-25 18:23:35,008 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 18:23:35,008 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 35 states and 43 transitions. [2022-11-25 18:23:35,009 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-25 18:23:35,009 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-25 18:23:35,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 43 transitions. [2022-11-25 18:23:35,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 18:23:35,009 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 43 transitions. [2022-11-25 18:23:35,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 43 transitions. [2022-11-25 18:23:35,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 30. [2022-11-25 18:23:35,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 29 states have internal predecessors, (37), 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) [2022-11-25 18:23:35,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2022-11-25 18:23:35,013 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 37 transitions. [2022-11-25 18:23:35,013 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2022-11-25 18:23:35,013 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-25 18:23:35,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 37 transitions. [2022-11-25 18:23:35,014 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 18:23:35,014 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:23:35,015 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:23:35,015 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:23:35,015 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 18:23:35,016 INFO L748 eck$LassoCheckResult]: Stem: 993#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 994#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 995#L369 assume !(main_~length~0#1 < 1); 996#L369-2 call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 1005#L371 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1007#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 1010#L374 assume !(main_~val~0#1 > main_~limit~0#1); 1013#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1008#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 1009#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 1011#L374 assume !(main_~val~0#1 > main_~limit~0#1); 989#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 990#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 1012#L372-3 assume !(main_~i~0#1 < main_~length~0#1); 1006#L372-4 main_~j~0#1 := 0; 997#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 998#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1016#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 991#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 992#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 999#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1018#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 1015#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 1014#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 1001#L380-3 [2022-11-25 18:23:35,016 INFO L750 eck$LassoCheckResult]: Loop: 1001#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1000#L380-1 assume !!(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1;call main_#t~mem212#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post213#1 := main_#t~mem212#1;call write~int(1 + main_#t~post213#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem212#1;havoc main_#t~post213#1; 1001#L380-3 [2022-11-25 18:23:35,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:35,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1808436561, now seen corresponding path program 4 times [2022-11-25 18:23:35,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:35,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884380245] [2022-11-25 18:23:35,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:35,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:35,165 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:35,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:23:35,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884380245] [2022-11-25 18:23:35,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884380245] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:23:35,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105939518] [2022-11-25 18:23:35,166 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 18:23:35,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:23:35,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:35,168 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:23:35,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2022-11-25 18:23:35,246 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 18:23:35,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:23:35,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 18:23:35,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:35,375 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:35,375 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:23:35,482 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:35,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105939518] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:23:35,483 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:23:35,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2022-11-25 18:23:35,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100175915] [2022-11-25 18:23:35,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:23:35,484 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 18:23:35,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:35,485 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 4 times [2022-11-25 18:23:35,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:35,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314791131] [2022-11-25 18:23:35,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:35,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:35,490 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:35,495 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:35,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:23:35,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-25 18:23:35,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2022-11-25 18:23:35,547 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. cyclomatic complexity: 12 Second operand has 14 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 14 states have internal predecessors, (44), 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) [2022-11-25 18:23:35,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:23:35,697 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2022-11-25 18:23:35,697 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 60 transitions. [2022-11-25 18:23:35,698 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 18:23:35,699 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 37 states and 46 transitions. [2022-11-25 18:23:35,699 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-25 18:23:35,699 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-25 18:23:35,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 46 transitions. [2022-11-25 18:23:35,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 18:23:35,699 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 46 transitions. [2022-11-25 18:23:35,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 46 transitions. [2022-11-25 18:23:35,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2022-11-25 18:23:35,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 33 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) [2022-11-25 18:23:35,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2022-11-25 18:23:35,702 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-11-25 18:23:35,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:23:35,704 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-11-25 18:23:35,704 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-25 18:23:35,704 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 42 transitions. [2022-11-25 18:23:35,705 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 18:23:35,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:23:35,705 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:23:35,706 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:23:35,706 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 18:23:35,706 INFO L748 eck$LassoCheckResult]: Stem: 1235#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1236#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 1237#L369 assume !(main_~length~0#1 < 1); 1238#L369-2 call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 1247#L371 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1249#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 1251#L374 assume !(main_~val~0#1 > main_~limit~0#1); 1264#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1263#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 1252#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 1253#L374 assume !(main_~val~0#1 > main_~limit~0#1); 1231#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1232#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 1250#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 1256#L374 assume !(main_~val~0#1 > main_~limit~0#1); 1262#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1258#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 1255#L372-3 assume !(main_~i~0#1 < main_~length~0#1); 1248#L372-4 main_~j~0#1 := 0; 1239#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 1240#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1260#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 1233#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 1234#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 1241#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1259#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 1257#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 1254#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 1243#L380-3 [2022-11-25 18:23:35,706 INFO L750 eck$LassoCheckResult]: Loop: 1243#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1242#L380-1 assume !!(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1;call main_#t~mem212#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post213#1 := main_#t~mem212#1;call write~int(1 + main_#t~post213#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem212#1;havoc main_#t~post213#1; 1243#L380-3 [2022-11-25 18:23:35,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:35,707 INFO L85 PathProgramCache]: Analyzing trace with hash -759828824, now seen corresponding path program 5 times [2022-11-25 18:23:35,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:35,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585593668] [2022-11-25 18:23:35,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:35,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:35,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:35,743 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:35,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:35,744 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 5 times [2022-11-25 18:23:35,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:35,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078031880] [2022-11-25 18:23:35,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:35,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:35,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:35,755 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:35,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:35,756 INFO L85 PathProgramCache]: Analyzing trace with hash -51058003, now seen corresponding path program 2 times [2022-11-25 18:23:35,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:35,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15327854] [2022-11-25 18:23:35,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:35,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:35,778 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:35,797 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:36,706 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 18:23:36,706 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 18:23:36,707 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 18:23:36,707 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 18:23:36,707 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 18:23:36,710 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:36,710 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 18:23:36,711 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 18:23:36,711 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_up_alloca.i_Iteration8_Lasso [2022-11-25 18:23:36,711 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 18:23:36,711 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 18:23:36,714 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:36,721 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:36,725 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:36,728 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:36,734 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:36,737 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:37,254 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:37,257 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:37,261 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:37,264 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:37,267 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:37,270 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:37,903 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 18:23:37,903 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 18:23:37,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:37,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:37,905 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:37,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-25 18:23:37,919 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 [2022-11-25 18:23:37,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:37,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:37,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:37,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:37,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:37,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:37,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:37,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:37,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:37,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:37,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:37,957 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:37,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-25 18:23:37,964 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 [2022-11-25 18:23:37,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:37,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:37,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:37,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:37,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:37,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:37,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:37,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:37,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-25 18:23:37,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:37,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:37,982 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:37,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-25 18:23:37,985 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 [2022-11-25 18:23:37,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:37,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:37,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:37,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:37,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:37,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:37,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:37,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:38,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-11-25 18:23:38,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:38,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:38,004 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:38,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-25 18:23:38,007 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 [2022-11-25 18:23:38,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:38,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:38,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:38,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:38,020 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:38,020 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:38,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:38,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:38,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:38,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:38,028 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:38,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-25 18:23:38,031 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 [2022-11-25 18:23:38,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:38,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:38,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:38,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:38,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:38,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:38,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:38,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:38,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:38,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:38,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:38,051 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:38,059 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 [2022-11-25 18:23:38,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-25 18:23:38,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:38,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:38,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:38,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:38,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:38,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:38,114 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 18:23:38,180 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2022-11-25 18:23:38,180 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 17 variables to zero. [2022-11-25 18:23:38,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:38,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:38,190 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:38,192 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 18:23:38,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-25 18:23:38,224 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 18:23:38,224 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 18:23:38,224 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~limit~0#1, v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_2) = 1*ULTIMATE.start_main_~limit~0#1 - 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_2 Supporting invariants [] [2022-11-25 18:23:38,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:38,286 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2022-11-25 18:23:38,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:38,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-25 18:23:38,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:38,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:23:38,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:38,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:38,674 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-25 18:23:38,674 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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) [2022-11-25 18:23:38,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:38,867 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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 44 states and 56 transitions. Complement of second has 8 states. [2022-11-25 18:23:38,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 6 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-25 18:23:38,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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) [2022-11-25 18:23:38,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 36 transitions. [2022-11-25 18:23:38,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 36 transitions. Stem has 28 letters. Loop has 2 letters. [2022-11-25 18:23:38,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:38,870 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-25 18:23:38,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:38,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-25 18:23:38,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:39,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:23:39,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:39,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:39,311 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-25 18:23:39,312 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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) [2022-11-25 18:23:39,432 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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 44 states and 56 transitions. Complement of second has 8 states. [2022-11-25 18:23:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 6 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-25 18:23:39,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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) [2022-11-25 18:23:39,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 36 transitions. [2022-11-25 18:23:39,436 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 36 transitions. Stem has 28 letters. Loop has 2 letters. [2022-11-25 18:23:39,436 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:39,436 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-25 18:23:39,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:39,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-25 18:23:39,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:39,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:23:39,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:39,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:39,841 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-25 18:23:39,842 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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) [2022-11-25 18:23:40,105 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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 78 states and 100 transitions. Complement of second has 17 states. [2022-11-25 18:23:40,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 8 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-25 18:23:40,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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) [2022-11-25 18:23:40,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 67 transitions. [2022-11-25 18:23:40,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 67 transitions. Stem has 28 letters. Loop has 2 letters. [2022-11-25 18:23:40,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:40,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 67 transitions. Stem has 30 letters. Loop has 2 letters. [2022-11-25 18:23:40,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:40,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 67 transitions. Stem has 28 letters. Loop has 4 letters. [2022-11-25 18:23:40,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:40,109 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 100 transitions. [2022-11-25 18:23:40,111 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-25 18:23:40,115 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 73 states and 93 transitions. [2022-11-25 18:23:40,115 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-25 18:23:40,115 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-25 18:23:40,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 73 states and 93 transitions. [2022-11-25 18:23:40,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 18:23:40,115 INFO L218 hiAutomatonCegarLoop]: Abstraction has 73 states and 93 transitions. [2022-11-25 18:23:40,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states and 93 transitions. [2022-11-25 18:23:40,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 45. [2022-11-25 18:23:40,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 44 states have internal predecessors, (56), 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) [2022-11-25 18:23:40,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2022-11-25 18:23:40,119 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 56 transitions. [2022-11-25 18:23:40,119 INFO L428 stractBuchiCegarLoop]: Abstraction has 45 states and 56 transitions. [2022-11-25 18:23:40,119 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-25 18:23:40,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 56 transitions. [2022-11-25 18:23:40,120 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 18:23:40,120 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:23:40,120 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:23:40,122 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:23:40,123 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 18:23:40,123 INFO L748 eck$LassoCheckResult]: Stem: 1854#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1855#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 1856#L369 assume !(main_~length~0#1 < 1); 1857#L369-2 call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 1866#L371 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1869#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 1872#L374 assume !(main_~val~0#1 > main_~limit~0#1); 1882#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1878#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 1879#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 1883#L374 assume !(main_~val~0#1 > main_~limit~0#1); 1880#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1881#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 1873#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 1874#L374 assume !(main_~val~0#1 > main_~limit~0#1); 1894#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1870#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 1871#L372-3 assume !(main_~i~0#1 < main_~length~0#1); 1867#L372-4 main_~j~0#1 := 0; 1868#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 1892#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1891#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 1890#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 1860#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 1859#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1886#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 1852#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 1853#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 1888#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1887#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 1885#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 1884#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 1862#L380-3 [2022-11-25 18:23:40,123 INFO L750 eck$LassoCheckResult]: Loop: 1862#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1861#L380-1 assume !!(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1;call main_#t~mem212#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post213#1 := main_#t~mem212#1;call write~int(1 + main_#t~post213#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem212#1;havoc main_#t~post213#1; 1862#L380-3 [2022-11-25 18:23:40,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:40,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1822100739, now seen corresponding path program 6 times [2022-11-25 18:23:40,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:40,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675304254] [2022-11-25 18:23:40,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:40,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:40,271 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:40,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:23:40,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675304254] [2022-11-25 18:23:40,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675304254] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:23:40,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257713781] [2022-11-25 18:23:40,272 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-25 18:23:40,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:23:40,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:40,273 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:23:40,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2022-11-25 18:23:40,359 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-11-25 18:23:40,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:23:40,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-25 18:23:40,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:40,529 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:40,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:23:40,651 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:40,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257713781] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:23:40,652 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:23:40,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 16 [2022-11-25 18:23:40,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694617411] [2022-11-25 18:23:40,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:23:40,655 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 18:23:40,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:40,656 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 6 times [2022-11-25 18:23:40,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:40,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904615076] [2022-11-25 18:23:40,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:40,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:40,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:40,676 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:40,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:23:40,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-25 18:23:40,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2022-11-25 18:23:40,725 INFO L87 Difference]: Start difference. First operand 45 states and 56 transitions. cyclomatic complexity: 17 Second operand has 17 states, 16 states have (on average 3.5) internal successors, (56), 17 states have internal predecessors, (56), 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) [2022-11-25 18:23:40,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:23:40,914 INFO L93 Difference]: Finished difference Result 58 states and 71 transitions. [2022-11-25 18:23:40,914 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 71 transitions. [2022-11-25 18:23:40,915 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 18:23:40,917 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 41 states and 51 transitions. [2022-11-25 18:23:40,917 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-25 18:23:40,918 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-25 18:23:40,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 51 transitions. [2022-11-25 18:23:40,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 18:23:40,918 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 51 transitions. [2022-11-25 18:23:40,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 51 transitions. [2022-11-25 18:23:40,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2022-11-25 18:23:40,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.236842105263158) internal successors, (47), 37 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) [2022-11-25 18:23:40,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2022-11-25 18:23:40,936 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 47 transitions. [2022-11-25 18:23:40,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 18:23:40,937 INFO L428 stractBuchiCegarLoop]: Abstraction has 38 states and 47 transitions. [2022-11-25 18:23:40,937 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-25 18:23:40,938 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 47 transitions. [2022-11-25 18:23:40,938 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 18:23:40,938 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:23:40,938 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:23:40,942 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:23:40,943 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 18:23:40,943 INFO L748 eck$LassoCheckResult]: Stem: 2173#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2174#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 2175#L369 assume !(main_~length~0#1 < 1); 2176#L369-2 call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 2186#L371 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 2187#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 2189#L374 assume !(main_~val~0#1 > main_~limit~0#1); 2206#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2205#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 2190#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 2191#L374 assume !(main_~val~0#1 > main_~limit~0#1); 2169#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2170#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 2188#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 2204#L374 assume !(main_~val~0#1 > main_~limit~0#1); 2203#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2202#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 2201#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 2198#L374 assume !(main_~val~0#1 > main_~limit~0#1); 2200#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2199#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 2197#L372-3 assume !(main_~i~0#1 < main_~length~0#1); 2185#L372-4 main_~j~0#1 := 0; 2177#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 2178#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2195#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 2171#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 2172#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 2179#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2194#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 2193#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 2192#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 2181#L380-3 [2022-11-25 18:23:40,943 INFO L750 eck$LassoCheckResult]: Loop: 2181#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2180#L380-1 assume !!(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1;call main_#t~mem212#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post213#1 := main_#t~mem212#1;call write~int(1 + main_#t~post213#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem212#1;havoc main_#t~post213#1; 2181#L380-3 [2022-11-25 18:23:40,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:40,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1539979743, now seen corresponding path program 7 times [2022-11-25 18:23:40,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:40,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297657934] [2022-11-25 18:23:40,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:40,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:40,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:41,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:41,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:41,015 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 7 times [2022-11-25 18:23:41,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:41,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310557125] [2022-11-25 18:23:41,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:41,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:41,022 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:41,027 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:41,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:41,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1843185638, now seen corresponding path program 3 times [2022-11-25 18:23:41,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:41,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168611280] [2022-11-25 18:23:41,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:41,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:41,078 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:41,107 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:42,263 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 18:23:42,264 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 18:23:42,264 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 18:23:42,264 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 18:23:42,264 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 18:23:42,264 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:42,264 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 18:23:42,264 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 18:23:42,264 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_up_alloca.i_Iteration10_Lasso [2022-11-25 18:23:42,264 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 18:23:42,265 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 18:23:42,267 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:42,276 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:42,279 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:42,281 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:42,724 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:42,727 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:42,730 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:42,733 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:42,735 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:42,738 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:42,740 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:42,742 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:43,226 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 18:23:43,226 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 18:23:43,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:43,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:43,229 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:43,238 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 [2022-11-25 18:23:43,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-25 18:23:43,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:43,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:43,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:43,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:43,256 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:43,256 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:43,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:43,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:43,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:43,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:43,272 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:43,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-25 18:23:43,276 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 [2022-11-25 18:23:43,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:43,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:43,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:43,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:43,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:43,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:43,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:43,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:43,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-11-25 18:23:43,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:43,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:43,296 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:43,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-25 18:23:43,300 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 [2022-11-25 18:23:43,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:43,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:43,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:43,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:43,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:43,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:43,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:43,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:43,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:43,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:43,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:43,344 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:43,351 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 [2022-11-25 18:23:43,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-25 18:23:43,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:43,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:43,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:43,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:43,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:43,370 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:43,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:43,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:43,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:43,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:43,408 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:43,415 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 [2022-11-25 18:23:43,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-25 18:23:43,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:43,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:43,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:43,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:43,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:43,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:43,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:43,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:43,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:43,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:43,461 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:43,466 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 [2022-11-25 18:23:43,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-25 18:23:43,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:43,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:43,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:43,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:43,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:43,485 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:43,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:43,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2022-11-25 18:23:43,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:43,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:43,497 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:43,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-25 18:23:43,500 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 [2022-11-25 18:23:43,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:43,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:43,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:43,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:43,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:43,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:43,537 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 18:23:43,558 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-25 18:23:43,558 INFO L444 ModelExtractionUtils]: 17 out of 25 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-25 18:23:43,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:43,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:43,562 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:43,564 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 18:23:43,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-25 18:23:43,589 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 18:23:43,589 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 18:23:43,589 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 8))_1, ULTIMATE.start_main_~limit~0#1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 8))_1 + 1*ULTIMATE.start_main_~limit~0#1 Supporting invariants [] [2022-11-25 18:23:43,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:43,620 INFO L156 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2022-11-25 18:23:43,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:43,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 18:23:43,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:43,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:23:43,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:43,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:43,833 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 [2022-11-25 18:23:43,834 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14 Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2022-11-25 18:23:43,863 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 39 states and 49 transitions. Complement of second has 4 states. [2022-11-25 18:23:43,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-25 18:23:43,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2022-11-25 18:23:43,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-25 18:23:43,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 32 letters. Loop has 2 letters. [2022-11-25 18:23:43,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:43,866 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-25 18:23:43,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:43,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 18:23:43,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:44,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:23:44,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:44,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:44,082 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 [2022-11-25 18:23:44,082 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14 Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2022-11-25 18:23:44,109 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 39 states and 49 transitions. Complement of second has 4 states. [2022-11-25 18:23:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-25 18:23:44,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2022-11-25 18:23:44,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-25 18:23:44,110 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 32 letters. Loop has 2 letters. [2022-11-25 18:23:44,110 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:44,110 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-25 18:23:44,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:44,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:44,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 18:23:44,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:44,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:23:44,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:44,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:44,360 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 [2022-11-25 18:23:44,360 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14 Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2022-11-25 18:23:44,472 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 68 transitions. Complement of second has 12 states. [2022-11-25 18:23:44,473 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 [2022-11-25 18:23:44,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2022-11-25 18:23:44,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 39 transitions. [2022-11-25 18:23:44,474 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 39 transitions. Stem has 32 letters. Loop has 2 letters. [2022-11-25 18:23:44,474 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:44,474 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 39 transitions. Stem has 34 letters. Loop has 2 letters. [2022-11-25 18:23:44,474 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:44,474 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 39 transitions. Stem has 32 letters. Loop has 4 letters. [2022-11-25 18:23:44,475 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:44,475 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 68 transitions. [2022-11-25 18:23:44,475 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 18:23:44,476 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 49 states and 61 transitions. [2022-11-25 18:23:44,476 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-25 18:23:44,476 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-25 18:23:44,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 61 transitions. [2022-11-25 18:23:44,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 18:23:44,477 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 61 transitions. [2022-11-25 18:23:44,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 61 transitions. [2022-11-25 18:23:44,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2022-11-25 18:23:44,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 42 states have internal predecessors, (53), 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) [2022-11-25 18:23:44,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2022-11-25 18:23:44,479 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 53 transitions. [2022-11-25 18:23:44,479 INFO L428 stractBuchiCegarLoop]: Abstraction has 43 states and 53 transitions. [2022-11-25 18:23:44,479 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-25 18:23:44,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 53 transitions. [2022-11-25 18:23:44,480 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 18:23:44,480 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:23:44,480 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:23:44,481 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:23:44,481 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 18:23:44,481 INFO L748 eck$LassoCheckResult]: Stem: 2738#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2739#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 2740#L369 assume !(main_~length~0#1 < 1); 2741#L369-2 call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 2749#L371 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 2751#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 2754#L374 assume !(main_~val~0#1 > main_~limit~0#1); 2734#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2735#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 2755#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 2756#L374 assume !(main_~val~0#1 > main_~limit~0#1); 2765#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2752#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 2753#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 2764#L374 assume !(main_~val~0#1 > main_~limit~0#1); 2763#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2762#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 2761#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 2758#L374 assume !(main_~val~0#1 > main_~limit~0#1); 2760#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2759#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 2757#L372-3 assume !(main_~i~0#1 < main_~length~0#1); 2750#L372-4 main_~j~0#1 := 0; 2742#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 2743#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2748#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 2736#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 2737#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 2744#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2775#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 2774#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 2773#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 2772#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2769#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 2768#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 2766#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 2746#L380-3 [2022-11-25 18:23:44,481 INFO L750 eck$LassoCheckResult]: Loop: 2746#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2745#L380-1 assume !!(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1;call main_#t~mem212#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post213#1 := main_#t~mem212#1;call write~int(1 + main_#t~post213#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem212#1;havoc main_#t~post213#1; 2746#L380-3 [2022-11-25 18:23:44,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:44,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1774872054, now seen corresponding path program 8 times [2022-11-25 18:23:44,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:44,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296811264] [2022-11-25 18:23:44,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:44,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:44,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:44,522 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:44,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:44,523 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 8 times [2022-11-25 18:23:44,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:44,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035870267] [2022-11-25 18:23:44,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:44,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:44,528 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:44,532 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:44,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:44,533 INFO L85 PathProgramCache]: Analyzing trace with hash 550028923, now seen corresponding path program 4 times [2022-11-25 18:23:44,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:44,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084029065] [2022-11-25 18:23:44,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:44,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:44,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:44,575 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:45,943 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 18:23:45,944 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 18:23:45,944 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 18:23:45,944 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 18:23:45,944 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 18:23:45,944 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:45,944 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 18:23:45,944 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 18:23:45,944 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_up_alloca.i_Iteration11_Lasso [2022-11-25 18:23:45,944 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 18:23:45,944 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 18:23:45,947 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:45,950 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:45,952 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:45,955 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:45,957 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:46,581 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:46,583 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:46,585 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:46,588 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:46,590 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:46,593 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:46,595 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:47,235 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 18:23:47,236 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 18:23:47,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:47,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:47,237 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:47,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-25 18:23:47,241 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 [2022-11-25 18:23:47,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:47,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:47,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:47,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:47,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:47,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:47,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:47,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:47,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-11-25 18:23:47,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:47,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:47,260 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:47,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-25 18:23:47,272 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 [2022-11-25 18:23:47,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:47,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:47,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:47,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:47,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:47,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:47,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:47,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:47,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:47,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:47,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:47,298 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:47,302 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 [2022-11-25 18:23:47,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-25 18:23:47,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:47,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:47,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:47,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:47,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:47,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:47,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:47,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:47,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:47,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:47,348 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:47,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-25 18:23:47,351 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 [2022-11-25 18:23:47,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:47,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:47,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:47,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:47,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:47,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:47,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:47,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:47,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:47,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:47,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:47,389 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:47,399 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 [2022-11-25 18:23:47,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-25 18:23:47,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:47,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:47,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:47,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:47,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:47,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:47,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:47,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-11-25 18:23:47,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:47,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:47,446 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:47,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-25 18:23:47,449 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 [2022-11-25 18:23:47,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:47,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:47,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:47,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:47,465 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:47,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:47,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:47,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2022-11-25 18:23:47,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:47,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:47,475 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:47,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-25 18:23:47,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 18:23:47,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:47,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:47,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:47,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:47,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:47,494 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:47,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:47,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2022-11-25 18:23:47,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:47,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:47,506 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:47,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-25 18:23:47,508 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 [2022-11-25 18:23:47,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:47,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:47,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:47,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:47,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:47,523 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:47,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:47,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2022-11-25 18:23:47,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:47,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:47,531 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:47,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-25 18:23:47,534 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 [2022-11-25 18:23:47,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:47,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:47,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:47,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:47,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:47,563 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:47,587 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 18:23:47,653 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2022-11-25 18:23:47,654 INFO L444 ModelExtractionUtils]: 7 out of 34 variables were initially zero. Simplification set additionally 24 variables to zero. [2022-11-25 18:23:47,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:47,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:47,659 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:47,663 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 18:23:47,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-11-25 18:23:47,691 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 18:23:47,691 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 18:23:47,692 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 12))_2, ULTIMATE.start_main_~limit~0#1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 12))_2 + 1*ULTIMATE.start_main_~limit~0#1 Supporting invariants [] [2022-11-25 18:23:47,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:47,739 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2022-11-25 18:23:47,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:47,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-25 18:23:47,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:47,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:23:47,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:47,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:47,983 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2022-11-25 18:23:47,983 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:48,014 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 55 transitions. Complement of second has 4 states. [2022-11-25 18:23:48,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-25 18:23:48,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:48,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-25 18:23:48,015 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 36 letters. Loop has 2 letters. [2022-11-25 18:23:48,015 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:48,015 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-25 18:23:48,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:48,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-25 18:23:48,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:48,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:23:48,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:48,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:48,266 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 2 loop predicates [2022-11-25 18:23:48,267 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:48,298 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 55 transitions. Complement of second has 4 states. [2022-11-25 18:23:48,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-25 18:23:48,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:48,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-25 18:23:48,302 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 36 letters. Loop has 2 letters. [2022-11-25 18:23:48,302 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:48,302 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-25 18:23:48,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:48,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-25 18:23:48,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:48,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:23:48,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:48,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:48,528 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 2 loop predicates [2022-11-25 18:23:48,529 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:48,664 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 76 transitions. Complement of second has 14 states. [2022-11-25 18:23:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-25 18:23:48,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:48,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 45 transitions. [2022-11-25 18:23:48,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 45 transitions. Stem has 36 letters. Loop has 2 letters. [2022-11-25 18:23:48,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:48,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 45 transitions. Stem has 38 letters. Loop has 2 letters. [2022-11-25 18:23:48,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:48,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 45 transitions. Stem has 36 letters. Loop has 4 letters. [2022-11-25 18:23:48,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:48,673 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 76 transitions. [2022-11-25 18:23:48,674 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 18:23:48,681 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 55 states and 69 transitions. [2022-11-25 18:23:48,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-25 18:23:48,683 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-25 18:23:48,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 69 transitions. [2022-11-25 18:23:48,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 18:23:48,683 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 69 transitions. [2022-11-25 18:23:48,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 69 transitions. [2022-11-25 18:23:48,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2022-11-25 18:23:48,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 47 states have internal predecessors, (59), 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) [2022-11-25 18:23:48,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2022-11-25 18:23:48,694 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 59 transitions. [2022-11-25 18:23:48,694 INFO L428 stractBuchiCegarLoop]: Abstraction has 48 states and 59 transitions. [2022-11-25 18:23:48,694 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-11-25 18:23:48,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 59 transitions. [2022-11-25 18:23:48,696 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 18:23:48,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:23:48,697 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:23:48,697 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:23:48,698 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 18:23:48,698 INFO L748 eck$LassoCheckResult]: Stem: 3378#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3379#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 3380#L369 assume !(main_~length~0#1 < 1); 3381#L369-2 call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 3389#L371 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 3391#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 3394#L374 assume !(main_~val~0#1 > main_~limit~0#1); 3374#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3375#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 3395#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 3396#L374 assume !(main_~val~0#1 > main_~limit~0#1); 3405#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3392#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 3393#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 3404#L374 assume !(main_~val~0#1 > main_~limit~0#1); 3403#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3402#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 3401#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 3398#L374 assume !(main_~val~0#1 > main_~limit~0#1); 3400#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3399#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 3397#L372-3 assume !(main_~i~0#1 < main_~length~0#1); 3390#L372-4 main_~j~0#1 := 0; 3382#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 3383#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3388#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 3376#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 3377#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 3384#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3411#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 3412#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 3420#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 3418#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3417#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 3416#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 3415#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 3414#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3409#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 3408#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 3406#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 3386#L380-3 [2022-11-25 18:23:48,698 INFO L750 eck$LassoCheckResult]: Loop: 3386#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3385#L380-1 assume !!(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1;call main_#t~mem212#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post213#1 := main_#t~mem212#1;call write~int(1 + main_#t~post213#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem212#1;havoc main_#t~post213#1; 3386#L380-3 [2022-11-25 18:23:48,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:48,699 INFO L85 PathProgramCache]: Analyzing trace with hash 296817483, now seen corresponding path program 9 times [2022-11-25 18:23:48,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:48,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302481010] [2022-11-25 18:23:48,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:48,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:48,932 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 15 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:48,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:23:48,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302481010] [2022-11-25 18:23:48,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302481010] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:23:48,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627172369] [2022-11-25 18:23:48,933 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 18:23:48,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:23:48,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:48,935 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:23:48,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2022-11-25 18:23:49,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:49,089 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-25 18:23:49,089 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:23:49,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 18:23:49,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:49,298 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 28 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:49,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:23:49,434 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 28 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:49,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [627172369] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:23:49,435 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:23:49,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 19 [2022-11-25 18:23:49,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099173545] [2022-11-25 18:23:49,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:23:49,437 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 18:23:49,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:49,438 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 9 times [2022-11-25 18:23:49,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:49,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585197514] [2022-11-25 18:23:49,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:49,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:49,444 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:49,448 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:49,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:23:49,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-25 18:23:49,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2022-11-25 18:23:49,485 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. cyclomatic complexity: 18 Second operand has 20 states, 19 states have (on average 3.5789473684210527) internal successors, (68), 20 states have internal predecessors, (68), 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) [2022-11-25 18:23:49,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:23:49,687 INFO L93 Difference]: Finished difference Result 77 states and 94 transitions. [2022-11-25 18:23:49,687 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 94 transitions. [2022-11-25 18:23:49,688 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 18:23:49,689 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 55 states and 68 transitions. [2022-11-25 18:23:49,689 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-25 18:23:49,689 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-25 18:23:49,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 68 transitions. [2022-11-25 18:23:49,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 18:23:49,690 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 68 transitions. [2022-11-25 18:23:49,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 68 transitions. [2022-11-25 18:23:49,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2022-11-25 18:23:49,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 51 states have internal predecessors, (64), 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) [2022-11-25 18:23:49,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 64 transitions. [2022-11-25 18:23:49,702 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 64 transitions. [2022-11-25 18:23:49,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 18:23:49,702 INFO L428 stractBuchiCegarLoop]: Abstraction has 52 states and 64 transitions. [2022-11-25 18:23:49,702 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-11-25 18:23:49,703 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 64 transitions. [2022-11-25 18:23:49,703 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-25 18:23:49,703 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:23:49,703 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:23:49,704 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:23:49,705 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 18:23:49,706 INFO L748 eck$LassoCheckResult]: Stem: 3772#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3773#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 3774#L369 assume !(main_~length~0#1 < 1); 3775#L369-2 call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 3785#L371 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 3786#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 3788#L374 assume !(main_~val~0#1 > main_~limit~0#1); 3768#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3769#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 3787#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 3789#L374 assume !(main_~val~0#1 > main_~limit~0#1); 3819#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3818#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 3817#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 3816#L374 assume !(main_~val~0#1 > main_~limit~0#1); 3815#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3814#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 3813#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 3812#L374 assume !(main_~val~0#1 > main_~limit~0#1); 3811#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3810#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 3809#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 3794#L374 assume !(main_~val~0#1 > main_~limit~0#1); 3798#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3796#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 3793#L372-3 assume !(main_~i~0#1 < main_~length~0#1); 3784#L372-4 main_~j~0#1 := 0; 3776#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 3777#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3807#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 3806#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 3778#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 3779#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3783#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 3770#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 3771#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 3804#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3803#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 3802#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 3801#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 3800#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3795#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 3792#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 3790#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 3781#L380-3 [2022-11-25 18:23:49,706 INFO L750 eck$LassoCheckResult]: Loop: 3781#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3780#L380-1 assume !!(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1;call main_#t~mem212#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post213#1 := main_#t~mem212#1;call write~int(1 + main_#t~post213#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem212#1;havoc main_#t~post213#1; 3781#L380-3 [2022-11-25 18:23:49,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:49,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1662287172, now seen corresponding path program 10 times [2022-11-25 18:23:49,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:49,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264466352] [2022-11-25 18:23:49,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:49,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:49,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:49,786 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:49,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:49,787 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 10 times [2022-11-25 18:23:49,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:49,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438903108] [2022-11-25 18:23:49,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:49,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:49,802 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:49,806 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:49,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:49,806 INFO L85 PathProgramCache]: Analyzing trace with hash -269860279, now seen corresponding path program 5 times [2022-11-25 18:23:49,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:23:49,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601190906] [2022-11-25 18:23:49,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:23:49,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:23:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:49,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:23:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:23:49,864 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:23:51,490 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 18:23:51,490 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 18:23:51,490 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 18:23:51,490 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 18:23:51,490 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 18:23:51,490 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:51,490 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 18:23:51,490 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 18:23:51,490 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_up_alloca.i_Iteration13_Lasso [2022-11-25 18:23:51,490 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 18:23:51,490 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 18:23:51,493 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:51,495 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:51,499 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:52,260 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:52,263 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:52,265 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:52,267 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:52,269 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:52,271 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:52,273 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:52,275 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:52,277 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:23:52,909 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 18:23:52,909 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 18:23:52,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:52,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:52,912 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:52,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-25 18:23:52,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 18:23:52,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:52,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:52,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:52,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:52,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:52,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:52,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:52,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:52,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:52,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:52,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:52,930 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:52,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-25 18:23:52,933 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 [2022-11-25 18:23:52,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:52,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:23:52,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:52,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:52,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:52,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:23:52,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:23:52,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:52,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:52,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:52,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:52,948 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:52,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-11-25 18:23:52,951 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 [2022-11-25 18:23:52,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:52,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:52,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:52,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:52,963 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:52,963 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:52,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:52,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:52,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:52,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:52,973 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:52,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-11-25 18:23:52,976 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 [2022-11-25 18:23:52,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:52,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:52,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:52,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:52,987 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:52,988 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:52,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:52,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:52,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:52,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:52,995 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:52,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-11-25 18:23:52,997 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 [2022-11-25 18:23:53,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:53,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:53,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:53,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:53,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:53,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:53,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:23:53,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2022-11-25 18:23:53,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:53,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:53,028 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:53,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-11-25 18:23:53,030 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 [2022-11-25 18:23:53,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:23:53,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:23:53,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:23:53,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:23:53,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:23:53,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:23:53,079 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 18:23:53,159 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2022-11-25 18:23:53,159 INFO L444 ModelExtractionUtils]: 8 out of 40 variables were initially zero. Simplification set additionally 29 variables to zero. [2022-11-25 18:23:53,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:23:53,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:23:53,162 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:23:53,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-11-25 18:23:53,163 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 18:23:53,174 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 18:23:53,175 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 18:23:53,175 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~limit~0#1, v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~j~0#1 4)))_7) = 1*ULTIMATE.start_main_~limit~0#1 - 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~j~0#1 4)))_7 Supporting invariants [] [2022-11-25 18:23:53,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:53,228 INFO L156 tatePredicateManager]: 13 out of 13 supporting invariants were superfluous and have been removed [2022-11-25 18:23:53,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:53,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:23:53,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:53,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 18:23:53,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:53,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:53,375 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 [2022-11-25 18:23:53,375 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:53,388 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 55 states and 67 transitions. Complement of second has 7 states. [2022-11-25 18:23:53,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-25 18:23:53,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:53,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-11-25 18:23:53,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 44 letters. Loop has 2 letters. [2022-11-25 18:23:53,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:53,390 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-25 18:23:53,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:53,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:23:53,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:53,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 18:23:53,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:53,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:53,513 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-25 18:23:53,513 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:53,524 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 55 states and 67 transitions. Complement of second has 7 states. [2022-11-25 18:23:53,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-25 18:23:53,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:53,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-11-25 18:23:53,525 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 44 letters. Loop has 2 letters. [2022-11-25 18:23:53,525 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:53,526 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-25 18:23:53,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:23:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:53,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:23:53,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:23:53,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 18:23:53,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:23:53,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:23:53,639 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-25 18:23:53,639 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:53,652 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 67 states and 81 transitions. Complement of second has 6 states. [2022-11-25 18:23:53,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-25 18:23:53,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:23:53,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2022-11-25 18:23:53,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 44 letters. Loop has 2 letters. [2022-11-25 18:23:53,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:53,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 46 letters. Loop has 2 letters. [2022-11-25 18:23:53,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:53,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 44 letters. Loop has 4 letters. [2022-11-25 18:23:53,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:23:53,656 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 81 transitions. [2022-11-25 18:23:53,657 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 18:23:53,657 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 0 states and 0 transitions. [2022-11-25 18:23:53,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 18:23:53,657 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 18:23:53,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 18:23:53,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:23:53,658 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:23:53,658 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:23:53,658 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:23:53,658 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-11-25 18:23:53,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-25 18:23:53,658 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 18:23:53,658 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 18:23:53,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 06:23:53 BoogieIcfgContainer [2022-11-25 18:23:53,667 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 18:23:53,668 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:23:53,668 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:23:53,668 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:23:53,669 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:23:24" (3/4) ... [2022-11-25 18:23:53,672 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 18:23:53,672 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:23:53,673 INFO L158 Benchmark]: Toolchain (without parser) took 30566.49ms. Allocated memory was 159.4MB in the beginning and 339.7MB in the end (delta: 180.4MB). Free memory was 127.8MB in the beginning and 166.4MB in the end (delta: -38.6MB). Peak memory consumption was 143.4MB. Max. memory is 16.1GB. [2022-11-25 18:23:53,673 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:23:53,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 552.38ms. Allocated memory is still 159.4MB. Free memory was 127.4MB in the beginning and 110.1MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 18:23:53,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.75ms. Allocated memory is still 159.4MB. Free memory was 110.1MB in the beginning and 108.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:23:53,674 INFO L158 Benchmark]: Boogie Preprocessor took 62.33ms. Allocated memory is still 159.4MB. Free memory was 108.5MB in the beginning and 107.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:23:53,674 INFO L158 Benchmark]: RCFGBuilder took 404.90ms. Allocated memory is still 159.4MB. Free memory was 107.2MB in the beginning and 95.4MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 18:23:53,675 INFO L158 Benchmark]: BuchiAutomizer took 29457.12ms. Allocated memory was 159.4MB in the beginning and 339.7MB in the end (delta: 180.4MB). Free memory was 95.4MB in the beginning and 166.4MB in the end (delta: -70.9MB). Peak memory consumption was 109.9MB. Max. memory is 16.1GB. [2022-11-25 18:23:53,675 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 339.7MB. Free memory is still 166.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:23:53,676 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 552.38ms. Allocated memory is still 159.4MB. Free memory was 127.4MB in the beginning and 110.1MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.75ms. Allocated memory is still 159.4MB. Free memory was 110.1MB in the beginning and 108.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.33ms. Allocated memory is still 159.4MB. Free memory was 108.5MB in the beginning and 107.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 404.90ms. Allocated memory is still 159.4MB. Free memory was 107.2MB in the beginning and 95.4MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 29457.12ms. Allocated memory was 159.4MB in the beginning and 339.7MB in the end (delta: 180.4MB). Free memory was 95.4MB in the beginning and 166.4MB in the end (delta: -70.9MB). Peak memory consumption was 109.9MB. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 339.7MB. Free memory is still 166.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 13 terminating modules (5 trivial, 3 deterministic, 5 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length*sizeof(int))] + -4 * i + -1 * arr and consists of 6 locations. One deterministic module has affine ranking function -1 * j + length and consists of 3 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[arr][arr] + limit and consists of 5 locations. One nondeterministic module has affine ranking function -1 * unknown-#memory_int-unknown[arr][arr + 4] + limit and consists of 7 locations. One nondeterministic module has affine ranking function -1 * unknown-#memory_int-unknown[arr][arr + -4 + i * 4] + limit and consists of 12 locations. One nondeterministic module has affine ranking function limit + -1 * unknown-#memory_int-unknown[arr][arr + 8] and consists of 8 locations. One nondeterministic module has affine ranking function -1 * unknown-#memory_int-unknown[arr][arr + 12] + limit and consists of 9 locations. One nondeterministic module has affine ranking function limit + -1 * unknown-#memory_int-unknown[arr][arr + j * 4] and consists of 4 locations. 5 modules have a trivial ranking function, the largest among these consists of 20 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 29.3s and 14 iterations. TraceHistogramMax:5. Analysis of lassos took 22.9s. Construction of modules took 1.0s. Büchi inclusion checks took 5.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 10. Automata minimization 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 63 StatesRemovedByMinimization, 11 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 5, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 652 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 648 mSDsluCounter, 1081 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 781 mSDsCounter, 72 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1212 IncrementalHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 72 mSolverCounterUnsat, 300 mSDtfsCounter, 1212 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU5 SILI0 SILT0 lasso8 LassoPreprocessingBenchmarks: Lassos: inital170 mio100 ax100 hnf100 lsp96 ukn88 mio100 lsp51 div142 bol100 ite100 ukn100 eq162 hnf92 smp76 dnf100 smp100 tf100 neg97 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 61ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-25 18:23:53,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2022-11-25 18:23:53,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Ended with exit code 0 [2022-11-25 18:23:54,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2022-11-25 18:23:54,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2022-11-25 18:23:54,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2022-11-25 18:23:54,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20868498-c33c-4098-8a23-6b403d161256/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE