./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/diff-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/diff-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5cc33a4b6801f9f06dbbb17ff694aba4439c76c6a2b62ec290c2132cc01ea0fe .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:49:30,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:49:30,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:49:30,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:49:30,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:49:30,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:49:30,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:49:30,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:49:30,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:49:30,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:49:30,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:49:30,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:49:30,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:49:30,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:49:30,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:49:30,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:49:30,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:49:30,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:49:30,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:49:30,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:49:30,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:49:30,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:49:30,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:49:30,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:49:30,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:49:30,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:49:30,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:49:30,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:49:30,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:49:30,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:49:30,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:49:30,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:49:30,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:49:30,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:49:30,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:49:30,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:49:30,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:49:30,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:49:30,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:49:30,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:49:30,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:49:30,772 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 22:49:30,820 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:49:30,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:49:30,826 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:49:30,826 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:49:30,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:49:30,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:49:30,828 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:49:30,828 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 22:49:30,828 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 22:49:30,828 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 22:49:30,828 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 22:49:30,829 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 22:49:30,829 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 22:49:30,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:49:30,829 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:49:30,830 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 22:49:30,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:49:30,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:49:30,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:49:30,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 22:49:30,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 22:49:30,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 22:49:30,831 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:49:30,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:49:30,831 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 22:49:30,832 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:49:30,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 22:49:30,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:49:30,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:49:30,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:49:30,833 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:49:30,833 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:49:30,834 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 22:49:30,834 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_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cc33a4b6801f9f06dbbb17ff694aba4439c76c6a2b62ec290c2132cc01ea0fe [2021-10-28 22:49:31,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:49:31,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:49:31,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:49:31,162 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:49:31,164 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:49:31,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/array-memsafety/diff-alloca-2.i [2021-10-28 22:49:31,245 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/data/e593dbe77/9d0a088e45dd4a47a5f89b64f39ca0b4/FLAGb71f61938 [2021-10-28 22:49:31,755 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:49:31,756 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/sv-benchmarks/c/array-memsafety/diff-alloca-2.i [2021-10-28 22:49:31,768 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/data/e593dbe77/9d0a088e45dd4a47a5f89b64f39ca0b4/FLAGb71f61938 [2021-10-28 22:49:32,244 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/data/e593dbe77/9d0a088e45dd4a47a5f89b64f39ca0b4 [2021-10-28 22:49:32,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:49:32,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:49:32,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:49:32,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:49:32,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:49:32,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:32,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@229a9eea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32, skipping insertion in model container [2021-10-28 22:49:32,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:32,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:49:32,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:49:32,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:49:32,611 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:49:32,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:49:32,680 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:49:32,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32 WrapperNode [2021-10-28 22:49:32,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:49:32,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:49:32,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:49:32,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:49:32,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:32,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:32,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:49:32,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:49:32,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:49:32,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:49:32,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:32,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:32,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:32,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:32,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:32,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:32,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:32,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:49:32,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:49:32,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:49:32,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:49:32,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32" (1/1) ... [2021-10-28 22:49:32,765 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:32,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:32,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:32,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 22:49:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 22:49:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 22:49:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:49:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 22:49:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:49:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:49:33,207 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:49:33,207 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-28 22:49:33,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:49:33 BoogieIcfgContainer [2021-10-28 22:49:33,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:49:33,210 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 22:49:33,210 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 22:49:33,219 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 22:49:33,220 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:49:33,220 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 10:49:32" (1/3) ... [2021-10-28 22:49:33,221 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b8320d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:49:33, skipping insertion in model container [2021-10-28 22:49:33,222 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:49:33,222 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:32" (2/3) ... [2021-10-28 22:49:33,222 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b8320d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:49:33, skipping insertion in model container [2021-10-28 22:49:33,222 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:49:33,222 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:49:33" (3/3) ... [2021-10-28 22:49:33,224 INFO L389 chiAutomizerObserver]: Analyzing ICFG diff-alloca-2.i [2021-10-28 22:49:33,273 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 22:49:33,273 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 22:49:33,273 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 22:49:33,273 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 22:49:33,273 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 22:49:33,273 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 22:49:33,273 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 22:49:33,273 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 22:49:33,285 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.631578947368421) internal successors, (31), 19 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) [2021-10-28 22:49:33,305 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-10-28 22:49:33,305 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:33,305 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:33,311 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 22:49:33,311 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:49:33,311 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 22:49:33,311 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.631578947368421) internal successors, (31), 19 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) [2021-10-28 22:49:33,313 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2021-10-28 22:49:33,313 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:33,313 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:33,314 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 22:49:33,314 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:49:33,318 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~i~1, main_#t~nondet16, main_#t~post15, main_~i~2, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 4#L539true assume !(main_~Alen~0 < 1 || main_~Alen~0 >= 536870911); 20#L539-2true assume !(main_~Blen~0 < 1 || main_~Blen~0 >= 536870911); 7#L542-1true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~i~1 := 0; 8#L549-3true [2021-10-28 22:49:33,319 INFO L793 eck$LassoCheckResult]: Loop: 8#L549-3true assume !!(main_~i~1 < main_~Alen~0);call write~int(main_#t~nondet14, main_~A~0.base, main_~A~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet14; 18#L549-2true main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 8#L549-3true [2021-10-28 22:49:33,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:33,324 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-10-28 22:49:33,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:33,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352430725] [2021-10-28 22:49:33,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:33,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:33,440 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:33,477 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:33,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:33,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-10-28 22:49:33,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:33,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883994762] [2021-10-28 22:49:33,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:33,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:33,491 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:33,504 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:33,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:33,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-10-28 22:49:33,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:33,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949726416] [2021-10-28 22:49:33,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:33,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:33,559 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:33,609 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:34,323 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:49:34,324 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:49:34,324 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:49:34,324 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:49:34,324 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:49:34,325 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:34,325 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:49:34,325 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:49:34,325 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-2.i_Iteration1_Lasso [2021-10-28 22:49:34,326 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:49:34,326 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:49:34,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:34,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:34,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:34,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:34,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:34,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:34,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:34,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:34,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:34,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:34,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:34,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:34,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:34,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:34,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:34,950 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:49:34,955 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:49:34,956 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:34,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:34,964 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:34,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:34,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:34,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:34,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:34,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:34,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:34,982 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:34,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:34,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 22:49:34,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,020 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,031 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 [2021-10-28 22:49:35,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:35,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:35,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:35,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 22:49:35,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,090 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:35,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,110 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:35,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:35,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 22:49:35,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,167 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 22:49:35,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:35,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:35,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:35,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,243 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:35,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:35,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:35,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:35,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 22:49:35,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,314 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,316 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:35,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,336 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:35,336 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:35,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 22:49:35,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,379 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:35,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:35,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:35,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:35,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 22:49:35,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,447 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,448 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 22:49:35,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:35,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:35,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:35,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:35,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,508 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:35,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:35,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:35,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:35,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 22:49:35,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,568 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,569 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 22:49:35,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:35,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:35,583 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:35,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:35,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,651 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,652 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:35,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:35,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 22:49:35,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:35,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:35,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:35,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:35,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:35,702 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:49:35,758 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-10-28 22:49:35,758 INFO L444 ModelExtractionUtils]: 3 out of 25 variables were initially zero. Simplification set additionally 19 variables to zero. [2021-10-28 22:49:35,759 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:35,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:35,768 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:35,835 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:49:35,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 22:49:35,856 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:49:35,856 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:49:35,857 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, ULTIMATE.start_main_~Alen~0) = -1*ULTIMATE.start_main_~i~1 + 1*ULTIMATE.start_main_~Alen~0 Supporting invariants [] [2021-10-28 22:49:35,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:35,919 INFO L297 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2021-10-28 22:49:35,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:35,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:49:35,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:35,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 22:49:35,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:36,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:36,034 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 22:49:36,035 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.631578947368421) internal successors, (31), 19 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) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:36,076 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 20 states, 19 states have (on average 1.631578947368421) internal successors, (31), 19 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). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 75 transitions. Complement of second has 7 states. [2021-10-28 22:49:36,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 22:49:36,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:36,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2021-10-28 22:49:36,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-28 22:49:36,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:36,081 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-28 22:49:36,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:36,081 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-28 22:49:36,082 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:36,082 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 75 transitions. [2021-10-28 22:49:36,086 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-10-28 22:49:36,090 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 17 states and 25 transitions. [2021-10-28 22:49:36,091 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-28 22:49:36,091 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-10-28 22:49:36,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 25 transitions. [2021-10-28 22:49:36,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:36,092 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 25 transitions. [2021-10-28 22:49:36,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 25 transitions. [2021-10-28 22:49:36,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-10-28 22:49:36,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:36,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 25 transitions. [2021-10-28 22:49:36,115 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 25 transitions. [2021-10-28 22:49:36,115 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 25 transitions. [2021-10-28 22:49:36,115 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 22:49:36,115 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 25 transitions. [2021-10-28 22:49:36,116 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-10-28 22:49:36,116 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:36,116 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:36,116 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:36,116 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:49:36,116 INFO L791 eck$LassoCheckResult]: Stem: 158#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 159#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~i~1, main_#t~nondet16, main_#t~post15, main_~i~2, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 156#L539 assume !(main_~Alen~0 < 1 || main_~Alen~0 >= 536870911); 157#L539-2 assume !(main_~Blen~0 < 1 || main_~Blen~0 >= 536870911); 160#L542-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~i~1 := 0; 161#L549-3 assume !(main_~i~1 < main_~Alen~0); 162#L549-4 main_~i~2 := 0; 165#L554-3 [2021-10-28 22:49:36,117 INFO L793 eck$LassoCheckResult]: Loop: 165#L554-3 assume !!(main_~i~2 < main_~Blen~0);call write~int(main_#t~nondet16, main_~B~0.base, main_~B~0.offset + 4 * main_~i~2, 4);havoc main_#t~nondet16; 172#L554-2 main_#t~post15 := main_~i~2;main_~i~2 := 1 + main_#t~post15;havoc main_#t~post15; 165#L554-3 [2021-10-28 22:49:36,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:36,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2021-10-28 22:49:36,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:36,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693916784] [2021-10-28 22:49:36,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:36,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:36,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:36,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:36,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693916784] [2021-10-28 22:49:36,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693916784] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:49:36,189 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:49:36,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:49:36,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227525833] [2021-10-28 22:49:36,192 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:49:36,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:36,193 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2021-10-28 22:49:36,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:36,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894356452] [2021-10-28 22:49:36,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:36,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:36,199 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:36,214 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:36,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:36,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:49:36,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:49:36,273 INFO L87 Difference]: Start difference. First operand 17 states and 25 transitions. cyclomatic complexity: 11 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) [2021-10-28 22:49:36,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:49:36,305 INFO L93 Difference]: Finished difference Result 18 states and 25 transitions. [2021-10-28 22:49:36,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 22:49:36,306 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 25 transitions. [2021-10-28 22:49:36,309 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-10-28 22:49:36,310 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 25 transitions. [2021-10-28 22:49:36,311 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-10-28 22:49:36,312 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-10-28 22:49:36,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2021-10-28 22:49:36,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:36,312 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-28 22:49:36,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2021-10-28 22:49:36,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2021-10-28 22:49:36,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 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) [2021-10-28 22:49:36,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2021-10-28 22:49:36,315 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2021-10-28 22:49:36,316 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2021-10-28 22:49:36,316 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 22:49:36,316 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2021-10-28 22:49:36,320 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-10-28 22:49:36,320 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:36,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:36,321 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:36,321 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:49:36,322 INFO L791 eck$LassoCheckResult]: Stem: 200#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 201#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~i~1, main_#t~nondet16, main_#t~post15, main_~i~2, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 198#L539 assume !(main_~Alen~0 < 1 || main_~Alen~0 >= 536870911); 199#L539-2 assume !(main_~Blen~0 < 1 || main_~Blen~0 >= 536870911); 202#L542-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~i~1 := 0; 203#L549-3 assume !!(main_~i~1 < main_~Alen~0);call write~int(main_#t~nondet14, main_~A~0.base, main_~A~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet14; 204#L549-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 205#L549-3 assume !(main_~i~1 < main_~Alen~0); 206#L549-4 main_~i~2 := 0; 207#L554-3 [2021-10-28 22:49:36,322 INFO L793 eck$LassoCheckResult]: Loop: 207#L554-3 assume !!(main_~i~2 < main_~Blen~0);call write~int(main_#t~nondet16, main_~B~0.base, main_~B~0.offset + 4 * main_~i~2, 4);havoc main_#t~nondet16; 214#L554-2 main_#t~post15 := main_~i~2;main_~i~2 := 1 + main_#t~post15;havoc main_#t~post15; 207#L554-3 [2021-10-28 22:49:36,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:36,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1298440016, now seen corresponding path program 1 times [2021-10-28 22:49:36,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:36,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495920314] [2021-10-28 22:49:36,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:36,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:36,340 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:36,391 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:36,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:36,392 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 2 times [2021-10-28 22:49:36,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:36,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540212938] [2021-10-28 22:49:36,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:36,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:36,414 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:36,420 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:36,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:36,420 INFO L85 PathProgramCache]: Analyzing trace with hash -2034626574, now seen corresponding path program 1 times [2021-10-28 22:49:36,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:36,421 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983443922] [2021-10-28 22:49:36,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:36,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:36,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:36,445 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:36,484 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:37,088 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:49:37,088 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:49:37,088 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:49:37,088 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:49:37,089 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:49:37,089 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:37,089 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:49:37,089 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:49:37,089 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-2.i_Iteration3_Lasso [2021-10-28 22:49:37,089 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:49:37,089 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:49:37,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:37,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:37,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:37,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:37,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:37,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:37,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:37,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:37,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:37,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:37,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:37,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:37,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:37,764 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:49:37,764 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:49:37,764 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:37,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:37,770 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:37,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:37,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:37,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:37,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:37,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:37,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:37,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:37,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 22:49:37,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:37,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:37,846 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:37,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:37,849 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:37,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:37,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:37,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:37,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:37,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:37,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:37,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:37,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 22:49:37,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:37,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:37,927 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:37,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:37,928 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:37,933 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 [2021-10-28 22:49:37,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:37,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:37,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:37,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:37,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:37,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:37,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:37,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 22:49:37,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:37,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:37,991 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:37,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:37,995 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:38,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:38,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:38,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:38,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:38,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:38,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 22:49:38,026 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:38,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:38,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:38,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:38,077 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:38,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:38,078 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:38,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:38,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:38,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:38,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:38,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:38,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:38,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:38,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 22:49:38,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:38,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:38,139 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:38,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:38,140 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:38,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:38,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:38,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:38,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:38,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:38,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:38,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:38,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 22:49:38,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:38,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:38,206 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:38,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:38,211 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:38,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:38,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:38,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:38,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:38,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:38,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:38,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:38,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:38,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 22:49:38,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:38,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:38,274 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:38,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:38,281 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:38,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 22:49:38,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:38,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:38,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:38,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:38,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:38,316 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:38,316 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:38,335 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:49:38,384 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-28 22:49:38,384 INFO L444 ModelExtractionUtils]: 19 out of 43 variables were initially zero. Simplification set additionally 21 variables to zero. [2021-10-28 22:49:38,384 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:38,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:38,385 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:38,395 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:49:38,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 22:49:38,427 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:49:38,427 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:49:38,427 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~2, ULTIMATE.start_main_~Blen~0) = -1*ULTIMATE.start_main_~i~2 + 1*ULTIMATE.start_main_~Blen~0 Supporting invariants [] [2021-10-28 22:49:38,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:38,497 INFO L297 tatePredicateManager]: 14 out of 14 supporting invariants were superfluous and have been removed [2021-10-28 22:49:38,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:38,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:49:38,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:38,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 22:49:38,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:38,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:38,629 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 22:49:38,629 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 24 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:38,653 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 24 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 25 states and 39 transitions. Complement of second has 6 states. [2021-10-28 22:49:38,654 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 [2021-10-28 22:49:38,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:38,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-10-28 22:49:38,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 9 letters. Loop has 2 letters. [2021-10-28 22:49:38,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:38,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 11 letters. Loop has 2 letters. [2021-10-28 22:49:38,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:38,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 9 letters. Loop has 4 letters. [2021-10-28 22:49:38,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:38,656 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 39 transitions. [2021-10-28 22:49:38,657 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 22:49:38,657 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 18 states and 26 transitions. [2021-10-28 22:49:38,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-28 22:49:38,658 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-28 22:49:38,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 26 transitions. [2021-10-28 22:49:38,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:38,658 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 26 transitions. [2021-10-28 22:49:38,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 26 transitions. [2021-10-28 22:49:38,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-10-28 22:49:38,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.4444444444444444) 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) [2021-10-28 22:49:38,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 26 transitions. [2021-10-28 22:49:38,660 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 26 transitions. [2021-10-28 22:49:38,660 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 26 transitions. [2021-10-28 22:49:38,660 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 22:49:38,660 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 26 transitions. [2021-10-28 22:49:38,661 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 22:49:38,661 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:38,661 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:38,661 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:38,661 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 22:49:38,662 INFO L791 eck$LassoCheckResult]: Stem: 354#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 355#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~i~1, main_#t~nondet16, main_#t~post15, main_~i~2, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 352#L539 assume !(main_~Alen~0 < 1 || main_~Alen~0 >= 536870911); 353#L539-2 assume !(main_~Blen~0 < 1 || main_~Blen~0 >= 536870911); 356#L542-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~i~1 := 0; 357#L549-3 assume !!(main_~i~1 < main_~Alen~0);call write~int(main_#t~nondet14, main_~A~0.base, main_~A~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet14; 358#L549-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 359#L549-3 assume !(main_~i~1 < main_~Alen~0); 360#L549-4 main_~i~2 := 0; 361#L554-3 assume !(main_~i~2 < main_~Blen~0); 364#L554-4 diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 362#L519-2 [2021-10-28 22:49:38,662 INFO L793 eck$LassoCheckResult]: Loop: 362#L519-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 363#L523-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 365#L522-2 assume 0 == diff_~found~0;call diff_#t~mem5 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call write~int(diff_#t~mem5, diff_~D.base, diff_~D.offset + 4 * diff_~k~0, 4);havoc diff_#t~mem5;diff_#t~post6 := diff_~k~0;diff_~k~0 := 1 + diff_#t~post6;havoc diff_#t~post6; 366#L529-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 362#L519-2 [2021-10-28 22:49:38,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:38,662 INFO L85 PathProgramCache]: Analyzing trace with hash -2034626632, now seen corresponding path program 1 times [2021-10-28 22:49:38,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:38,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440588129] [2021-10-28 22:49:38,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:38,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:38,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:38,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:49:38,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:38,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440588129] [2021-10-28 22:49:38,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440588129] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:49:38,705 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:49:38,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:49:38,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885103072] [2021-10-28 22:49:38,705 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:49:38,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:38,706 INFO L85 PathProgramCache]: Analyzing trace with hash 2531692, now seen corresponding path program 1 times [2021-10-28 22:49:38,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:38,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117940423] [2021-10-28 22:49:38,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:38,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:38,713 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:38,719 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:38,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:38,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:49:38,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:49:38,871 INFO L87 Difference]: Start difference. First operand 18 states and 26 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:38,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:49:38,897 INFO L93 Difference]: Finished difference Result 19 states and 26 transitions. [2021-10-28 22:49:38,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 22:49:38,898 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 26 transitions. [2021-10-28 22:49:38,899 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 22:49:38,899 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 26 transitions. [2021-10-28 22:49:38,899 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-28 22:49:38,899 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-28 22:49:38,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 26 transitions. [2021-10-28 22:49:38,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:38,900 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-10-28 22:49:38,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 26 transitions. [2021-10-28 22:49:38,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2021-10-28 22:49:38,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:38,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2021-10-28 22:49:38,902 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-28 22:49:38,902 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-28 22:49:38,902 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 22:49:38,902 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2021-10-28 22:49:38,902 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 22:49:38,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:38,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:38,903 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:38,903 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 22:49:38,903 INFO L791 eck$LassoCheckResult]: Stem: 398#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 399#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~i~1, main_#t~nondet16, main_#t~post15, main_~i~2, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 396#L539 assume !(main_~Alen~0 < 1 || main_~Alen~0 >= 536870911); 397#L539-2 assume !(main_~Blen~0 < 1 || main_~Blen~0 >= 536870911); 404#L542-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~i~1 := 0; 400#L549-3 assume !!(main_~i~1 < main_~Alen~0);call write~int(main_#t~nondet14, main_~A~0.base, main_~A~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet14; 401#L549-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 402#L549-3 assume !(main_~i~1 < main_~Alen~0); 403#L549-4 main_~i~2 := 0; 405#L554-3 assume !!(main_~i~2 < main_~Blen~0);call write~int(main_#t~nondet16, main_~B~0.base, main_~B~0.offset + 4 * main_~i~2, 4);havoc main_#t~nondet16; 412#L554-2 main_#t~post15 := main_~i~2;main_~i~2 := 1 + main_#t~post15;havoc main_#t~post15; 413#L554-3 assume !(main_~i~2 < main_~Blen~0); 408#L554-4 diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 406#L519-2 [2021-10-28 22:49:38,903 INFO L793 eck$LassoCheckResult]: Loop: 406#L519-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 407#L523-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 409#L522-2 assume 0 == diff_~found~0;call diff_#t~mem5 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call write~int(diff_#t~mem5, diff_~D.base, diff_~D.offset + 4 * diff_~k~0, 4);havoc diff_#t~mem5;diff_#t~post6 := diff_~k~0;diff_~k~0 := 1 + diff_#t~post6;havoc diff_#t~post6; 410#L529-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 406#L519-2 [2021-10-28 22:49:38,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:38,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1066016806, now seen corresponding path program 1 times [2021-10-28 22:49:38,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:38,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916873250] [2021-10-28 22:49:38,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:38,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:38,920 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:38,944 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:38,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:38,945 INFO L85 PathProgramCache]: Analyzing trace with hash 2531692, now seen corresponding path program 2 times [2021-10-28 22:49:38,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:38,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091780784] [2021-10-28 22:49:38,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:38,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:38,951 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:38,957 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:38,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:38,958 INFO L85 PathProgramCache]: Analyzing trace with hash -796463931, now seen corresponding path program 1 times [2021-10-28 22:49:38,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:38,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24366999] [2021-10-28 22:49:38,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:38,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:39,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 22:49:39,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:39,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24366999] [2021-10-28 22:49:39,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24366999] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:49:39,014 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:49:39,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 22:49:39,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884211640] [2021-10-28 22:49:39,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:39,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:49:39,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:49:39,147 INFO L87 Difference]: Start difference. First operand 18 states and 25 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:39,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:49:39,189 INFO L93 Difference]: Finished difference Result 20 states and 28 transitions. [2021-10-28 22:49:39,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 22:49:39,190 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 28 transitions. [2021-10-28 22:49:39,190 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-28 22:49:39,192 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 28 transitions. [2021-10-28 22:49:39,192 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-28 22:49:39,192 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-10-28 22:49:39,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 28 transitions. [2021-10-28 22:49:39,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:39,192 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 28 transitions. [2021-10-28 22:49:39,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 28 transitions. [2021-10-28 22:49:39,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2021-10-28 22:49:39,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 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) [2021-10-28 22:49:39,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2021-10-28 22:49:39,195 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-10-28 22:49:39,195 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-10-28 22:49:39,195 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 22:49:39,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2021-10-28 22:49:39,196 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 22:49:39,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:39,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:39,196 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:39,196 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 22:49:39,197 INFO L791 eck$LassoCheckResult]: Stem: 450#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 451#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~i~1, main_#t~nondet16, main_#t~post15, main_~i~2, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 448#L539 assume !(main_~Alen~0 < 1 || main_~Alen~0 >= 536870911); 449#L539-2 assume !(main_~Blen~0 < 1 || main_~Blen~0 >= 536870911); 452#L542-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~i~1 := 0; 453#L549-3 assume !!(main_~i~1 < main_~Alen~0);call write~int(main_#t~nondet14, main_~A~0.base, main_~A~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet14; 454#L549-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 455#L549-3 assume !(main_~i~1 < main_~Alen~0); 456#L549-4 main_~i~2 := 0; 457#L554-3 assume !!(main_~i~2 < main_~Blen~0);call write~int(main_#t~nondet16, main_~B~0.base, main_~B~0.offset + 4 * main_~i~2, 4);havoc main_#t~nondet16; 465#L554-2 main_#t~post15 := main_~i~2;main_~i~2 := 1 + main_#t~post15;havoc main_#t~post15; 466#L554-3 assume !(main_~i~2 < main_~Blen~0); 460#L554-4 diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 458#L519-2 [2021-10-28 22:49:39,197 INFO L793 eck$LassoCheckResult]: Loop: 458#L519-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 459#L523-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 463#L523 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 464#L523-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 461#L522-2 assume 0 == diff_~found~0;call diff_#t~mem5 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call write~int(diff_#t~mem5, diff_~D.base, diff_~D.offset + 4 * diff_~k~0, 4);havoc diff_#t~mem5;diff_#t~post6 := diff_~k~0;diff_~k~0 := 1 + diff_#t~post6;havoc diff_#t~post6; 462#L529-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 458#L519-2 [2021-10-28 22:49:39,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:39,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1066016806, now seen corresponding path program 2 times [2021-10-28 22:49:39,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:39,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075583758] [2021-10-28 22:49:39,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:39,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:39,210 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:39,230 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:39,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:39,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1860447319, now seen corresponding path program 1 times [2021-10-28 22:49:39,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:39,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782175461] [2021-10-28 22:49:39,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:39,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:39,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:39,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:39,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782175461] [2021-10-28 22:49:39,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782175461] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:49:39,251 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:49:39,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:49:39,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043773659] [2021-10-28 22:49:39,252 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 22:49:39,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:39,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:49:39,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:49:39,253 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:39,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:49:39,276 INFO L93 Difference]: Finished difference Result 25 states and 32 transitions. [2021-10-28 22:49:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 22:49:39,276 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 32 transitions. [2021-10-28 22:49:39,277 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2021-10-28 22:49:39,277 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 32 transitions. [2021-10-28 22:49:39,278 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-10-28 22:49:39,278 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2021-10-28 22:49:39,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 32 transitions. [2021-10-28 22:49:39,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:39,278 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-10-28 22:49:39,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 32 transitions. [2021-10-28 22:49:39,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 21. [2021-10-28 22:49:39,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:39,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 28 transitions. [2021-10-28 22:49:39,280 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2021-10-28 22:49:39,280 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2021-10-28 22:49:39,280 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 22:49:39,280 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 28 transitions. [2021-10-28 22:49:39,281 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-10-28 22:49:39,281 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:39,281 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:39,281 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:39,281 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 22:49:39,282 INFO L791 eck$LassoCheckResult]: Stem: 503#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 504#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~i~1, main_#t~nondet16, main_#t~post15, main_~i~2, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 501#L539 assume !(main_~Alen~0 < 1 || main_~Alen~0 >= 536870911); 502#L539-2 assume !(main_~Blen~0 < 1 || main_~Blen~0 >= 536870911); 505#L542-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~i~1 := 0; 506#L549-3 assume !!(main_~i~1 < main_~Alen~0);call write~int(main_#t~nondet14, main_~A~0.base, main_~A~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet14; 507#L549-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 508#L549-3 assume !(main_~i~1 < main_~Alen~0); 509#L549-4 main_~i~2 := 0; 510#L554-3 assume !!(main_~i~2 < main_~Blen~0);call write~int(main_#t~nondet16, main_~B~0.base, main_~B~0.offset + 4 * main_~i~2, 4);havoc main_#t~nondet16; 519#L554-2 main_#t~post15 := main_~i~2;main_~i~2 := 1 + main_#t~post15;havoc main_#t~post15; 520#L554-3 assume !(main_~i~2 < main_~Blen~0); 513#L554-4 diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 511#L519-2 [2021-10-28 22:49:39,282 INFO L793 eck$LassoCheckResult]: Loop: 511#L519-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 512#L523-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 516#L523 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 517#L523-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 514#L522-2 assume !(0 == diff_~found~0); 515#L529-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 511#L519-2 [2021-10-28 22:49:39,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:39,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1066016806, now seen corresponding path program 3 times [2021-10-28 22:49:39,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:39,291 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632399713] [2021-10-28 22:49:39,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:39,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:39,310 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:39,349 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:39,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:39,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1860447257, now seen corresponding path program 1 times [2021-10-28 22:49:39,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:39,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844187839] [2021-10-28 22:49:39,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:39,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:39,363 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:39,375 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:39,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:39,377 INFO L85 PathProgramCache]: Analyzing trace with hash -896094976, now seen corresponding path program 1 times [2021-10-28 22:49:39,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:39,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347032141] [2021-10-28 22:49:39,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:39,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:39,404 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:39,437 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:40,803 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:49:40,804 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:49:40,804 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:49:40,804 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:49:40,804 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:49:40,804 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:40,804 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:49:40,804 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:49:40,804 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-2.i_Iteration7_Lasso [2021-10-28 22:49:40,804 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:49:40,804 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:49:40,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:40,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:41,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:41,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:41,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:41,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:42,173 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:49:42,174 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:49:42,174 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,176 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 22:49:42,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:42,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:42,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:42,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:42,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:42,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,208 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 22:49:42,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:42,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:42,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:42,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:42,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,243 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 22:49:42,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:42,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:42,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:42,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:42,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:42,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,311 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:42,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,334 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:42,334 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:42,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 22:49:42,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:42,393 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,399 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:42,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:42,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:42,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:42,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 22:49:42,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:42,455 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,456 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 22:49:42,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:42,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:42,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:42,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:42,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:42,487 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,488 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 22:49:42,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:42,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,503 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:42,503 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:42,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:42,524 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,525 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 22:49:42,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:42,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,538 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:42,538 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:42,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-28 22:49:42,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,584 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:42,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:42,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:42,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:42,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 22:49:42,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:42,644 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,645 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 22:49:42,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:42,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:42,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:42,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:42,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:42,703 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,704 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,711 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 [2021-10-28 22:49:42,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:42,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:42,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:42,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 22:49:42,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:42,766 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,767 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:42,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:42,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:42,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:42,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 22:49:42,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:42,815 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,817 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:42,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:42,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:42,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:42,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 22:49:42,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:42,857 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,858 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 22:49:42,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:42,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:42,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:42,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:42,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:42,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,918 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:42,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 22:49:42,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:42,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:42,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:42,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:42,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:42,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:42,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:42,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:42,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:42,993 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:42,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:42,994 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:42,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:43,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:43,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:43,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:43,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:43,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:43,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:43,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:43,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 22:49:43,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:43,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:43,059 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:43,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:43,060 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:43,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:43,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:43,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:43,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:43,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:43,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:43,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:43,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:43,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 22:49:43,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:43,112 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:43,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:43,113 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:43,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 22:49:43,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:43,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:43,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:43,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:43,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:43,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:43,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:43,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:43,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:43,194 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:43,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:43,195 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:43,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:43,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 22:49:43,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:43,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:43,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:43,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:43,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:43,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:43,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:43,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:43,282 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:43,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:43,287 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:43,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:43,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:43,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:43,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:43,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:43,300 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:43,300 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:43,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 22:49:43,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:43,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:43,347 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:43,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:43,351 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:43,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:43,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:43,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:43,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:43,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:43,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:43,364 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:43,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 22:49:43,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:43,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:43,412 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:43,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:43,413 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:43,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:43,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:43,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:43,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:43,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:43,425 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:43,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:43,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 22:49:43,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:43,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:43,473 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:43,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:43,475 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:43,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:43,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:43,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:43,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:43,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:43,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:43,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:43,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 22:49:43,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:43,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-28 22:49:43,538 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:43,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:43,539 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:43,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 22:49:43,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:43,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:43,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:43,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:43,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:43,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:43,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:43,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:43,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:43,613 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:43,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:43,614 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:43,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 22:49:43,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:43,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:43,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:43,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:43,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:43,647 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:43,647 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:43,676 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:49:43,700 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-28 22:49:43,700 INFO L444 ModelExtractionUtils]: 75 out of 79 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 22:49:43,700 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:43,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:43,701 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:43,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 22:49:43,702 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:49:43,712 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:49:43,712 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:49:43,712 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_diff_~i~0, ULTIMATE.start_diff_~l1~0) = -1*ULTIMATE.start_diff_~i~0 + 1*ULTIMATE.start_diff_~l1~0 Supporting invariants [] [2021-10-28 22:49:43,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:43,807 INFO L297 tatePredicateManager]: 24 out of 24 supporting invariants were superfluous and have been removed [2021-10-28 22:49:43,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:43,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:49:43,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:43,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 22:49:43,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:43,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:49:43,957 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 22:49:43,957 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 28 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2021-10-28 22:49:43,973 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 28 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) Result 29 states and 40 transitions. Complement of second has 4 states. [2021-10-28 22:49:43,974 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 [2021-10-28 22:49:43,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2021-10-28 22:49:43,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 23 transitions. [2021-10-28 22:49:43,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 13 letters. Loop has 6 letters. [2021-10-28 22:49:43,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:43,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 19 letters. Loop has 6 letters. [2021-10-28 22:49:43,977 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:43,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 13 letters. Loop has 12 letters. [2021-10-28 22:49:43,978 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:43,978 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 40 transitions. [2021-10-28 22:49:43,978 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:49:43,979 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 25 states and 34 transitions. [2021-10-28 22:49:43,979 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-28 22:49:43,979 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-28 22:49:43,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 34 transitions. [2021-10-28 22:49:43,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:49:43,980 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2021-10-28 22:49:43,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 34 transitions. [2021-10-28 22:49:43,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2021-10-28 22:49:43,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:43,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2021-10-28 22:49:43,986 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-10-28 22:49:43,986 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-10-28 22:49:43,986 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 22:49:43,986 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2021-10-28 22:49:43,988 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:49:43,988 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:43,988 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:43,989 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:43,989 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:49:43,989 INFO L791 eck$LassoCheckResult]: Stem: 726#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 727#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~i~1, main_#t~nondet16, main_#t~post15, main_~i~2, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 724#L539 assume !(main_~Alen~0 < 1 || main_~Alen~0 >= 536870911); 725#L539-2 assume !(main_~Blen~0 < 1 || main_~Blen~0 >= 536870911); 728#L542-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~i~1 := 0; 729#L549-3 assume !!(main_~i~1 < main_~Alen~0);call write~int(main_#t~nondet14, main_~A~0.base, main_~A~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet14; 730#L549-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 731#L549-3 assume !(main_~i~1 < main_~Alen~0); 732#L549-4 main_~i~2 := 0; 733#L554-3 assume !!(main_~i~2 < main_~Blen~0);call write~int(main_#t~nondet16, main_~B~0.base, main_~B~0.offset + 4 * main_~i~2, 4);havoc main_#t~nondet16; 745#L554-2 main_#t~post15 := main_~i~2;main_~i~2 := 1 + main_#t~post15;havoc main_#t~post15; 746#L554-3 assume !(main_~i~2 < main_~Blen~0); 738#L554-4 diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 734#L519-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 736#L523-2 [2021-10-28 22:49:43,989 INFO L793 eck$LassoCheckResult]: Loop: 736#L523-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 741#L523 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem2;havoc diff_#t~mem3;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 736#L523-2 [2021-10-28 22:49:43,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:43,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1313217434, now seen corresponding path program 1 times [2021-10-28 22:49:43,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:43,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657477870] [2021-10-28 22:49:43,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:43,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:44,001 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:44,020 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:44,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:44,021 INFO L85 PathProgramCache]: Analyzing trace with hash 2918, now seen corresponding path program 1 times [2021-10-28 22:49:44,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:44,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424130286] [2021-10-28 22:49:44,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:44,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:44,025 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:44,029 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:44,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:44,030 INFO L85 PathProgramCache]: Analyzing trace with hash -718428993, now seen corresponding path program 1 times [2021-10-28 22:49:44,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:44,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318345029] [2021-10-28 22:49:44,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:44,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:44,042 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:44,063 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:44,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:45,354 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:49:45,354 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:49:45,355 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:49:45,355 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:49:45,355 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:49:45,355 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:45,355 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:49:45,355 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:49:45,355 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-2.i_Iteration8_Lasso [2021-10-28 22:49:45,355 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:49:45,355 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:49:45,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:45,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:46,661 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:49:46,661 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:49:46,661 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:46,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:46,675 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:46,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 22:49:46,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:46,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:46,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:46,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:46,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:46,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:46,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:46,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:46,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-28 22:49:46,712 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:46,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:46,713 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:46,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 22:49:46,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:46,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:46,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:46,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:46,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:46,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:46,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:46,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:46,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:46,782 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:46,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:46,782 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:46,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 22:49:46,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:46,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:46,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:46,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:46,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:46,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:46,792 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:46,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:46,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:46,813 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:46,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:46,814 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:46,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 22:49:46,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:46,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:46,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:46,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:46,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:46,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:46,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:46,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:46,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:46,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-10-28 22:49:46,843 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:46,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:46,843 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:46,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 22:49:46,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:46,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:46,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:46,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:46,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:46,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:46,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:46,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:46,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:46,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:46,883 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:46,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:46,884 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:46,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 22:49:46,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:46,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:46,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:46,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:46,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:46,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:46,894 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:46,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:46,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-10-28 22:49:46,922 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:46,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:46,923 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:46,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 22:49:46,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:46,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:46,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:46,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:46,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:46,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:46,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:46,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:46,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:46,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:46,954 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:46,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:46,954 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:46,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 22:49:46,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:46,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:46,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:46,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:46,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:46,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:46,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:46,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:46,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:46,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-10-28 22:49:46,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:46,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:46,983 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:46,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 22:49:46,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:46,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:46,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:46,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:46,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:46,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:47,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:47,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-28 22:49:47,029 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,030 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 22:49:47,031 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 [2021-10-28 22:49:47,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:47,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:47,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-28 22:49:47,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,065 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 22:49:47,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:47,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:47,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:47,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:47,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:47,093 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,094 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-28 22:49:47,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:47,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:47,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:47,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:47,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-10-28 22:49:47,125 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,126 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-28 22:49:47,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:47,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:47,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:47,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:47,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-28 22:49:47,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,170 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-28 22:49:47,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:47,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:47,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:47,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:47,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:47,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:47,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:47,220 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:49:47,305 INFO L443 ModelExtractionUtils]: Simplification made 34 calls to the SMT solver. [2021-10-28 22:49:47,305 INFO L444 ModelExtractionUtils]: 24 out of 76 variables were initially zero. Simplification set additionally 49 variables to zero. [2021-10-28 22:49:47,305 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:47,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,307 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-28 22:49:47,307 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:49:47,315 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:49:47,315 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:49:47,315 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_diff_~j~0, ULTIMATE.start_diff_~l2~0) = -1*ULTIMATE.start_diff_~j~0 + 1*ULTIMATE.start_diff_~l2~0 Supporting invariants [] [2021-10-28 22:49:47,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:47,395 INFO L297 tatePredicateManager]: 26 out of 26 supporting invariants were superfluous and have been removed [2021-10-28 22:49:47,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:47,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:49:47,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:47,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 22:49:47,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:47,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:47,505 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 22:49:47,507 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 33 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:47,524 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 33 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 63 transitions. Complement of second has 7 states. [2021-10-28 22:49:47,524 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 [2021-10-28 22:49:47,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:47,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2021-10-28 22:49:47,525 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 14 letters. Loop has 2 letters. [2021-10-28 22:49:47,525 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:47,525 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 16 letters. Loop has 2 letters. [2021-10-28 22:49:47,526 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:47,526 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 14 letters. Loop has 4 letters. [2021-10-28 22:49:47,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:47,528 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 63 transitions. [2021-10-28 22:49:47,530 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:49:47,532 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 35 states and 49 transitions. [2021-10-28 22:49:47,532 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-28 22:49:47,533 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-10-28 22:49:47,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 49 transitions. [2021-10-28 22:49:47,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:49:47,533 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-28 22:49:47,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 49 transitions. [2021-10-28 22:49:47,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 28. [2021-10-28 22:49:47,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 27 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:47,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 39 transitions. [2021-10-28 22:49:47,543 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2021-10-28 22:49:47,543 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2021-10-28 22:49:47,543 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 22:49:47,543 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 39 transitions. [2021-10-28 22:49:47,544 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:49:47,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:47,544 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:47,545 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:47,545 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:49:47,545 INFO L791 eck$LassoCheckResult]: Stem: 972#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 973#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~i~1, main_#t~nondet16, main_#t~post15, main_~i~2, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 970#L539 assume !(main_~Alen~0 < 1 || main_~Alen~0 >= 536870911); 971#L539-2 assume !(main_~Blen~0 < 1 || main_~Blen~0 >= 536870911); 974#L542-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~i~1 := 0; 975#L549-3 assume !!(main_~i~1 < main_~Alen~0);call write~int(main_#t~nondet14, main_~A~0.base, main_~A~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet14; 976#L549-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 977#L549-3 assume !(main_~i~1 < main_~Alen~0); 978#L549-4 main_~i~2 := 0; 979#L554-3 assume !!(main_~i~2 < main_~Blen~0);call write~int(main_#t~nondet16, main_~B~0.base, main_~B~0.offset + 4 * main_~i~2, 4);havoc main_#t~nondet16; 992#L554-2 main_#t~post15 := main_~i~2;main_~i~2 := 1 + main_#t~post15;havoc main_#t~post15; 993#L554-3 assume !(main_~i~2 < main_~Blen~0); 985#L554-4 diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 980#L519-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 981#L523-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 996#L523 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 991#L523-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 986#L522-2 assume !(0 == diff_~found~0); 987#L529-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 982#L519-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 983#L523-2 [2021-10-28 22:49:47,546 INFO L793 eck$LassoCheckResult]: Loop: 983#L523-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 988#L523 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem2;havoc diff_#t~mem3;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 983#L523-2 [2021-10-28 22:49:47,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:47,546 INFO L85 PathProgramCache]: Analyzing trace with hash -2009140428, now seen corresponding path program 2 times [2021-10-28 22:49:47,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:47,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558510589] [2021-10-28 22:49:47,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:47,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:47,609 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 22:49:47,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:47,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558510589] [2021-10-28 22:49:47,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558510589] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:49:47,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755951567] [2021-10-28 22:49:47,610 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 22:49:47,610 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:49:47,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:47,611 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:49:47,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2021-10-28 22:49:47,723 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 22:49:47,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 22:49:47,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 22:49:47,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:47,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 22:49:47,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755951567] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:49:47,830 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:49:47,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-10-28 22:49:47,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899619163] [2021-10-28 22:49:47,831 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:49:47,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:47,831 INFO L85 PathProgramCache]: Analyzing trace with hash 2918, now seen corresponding path program 2 times [2021-10-28 22:49:47,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:47,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670670905] [2021-10-28 22:49:47,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:47,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:47,836 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:47,839 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:47,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:47,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 22:49:47,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-10-28 22:49:47,907 INFO L87 Difference]: Start difference. First operand 28 states and 39 transitions. cyclomatic complexity: 16 Second operand has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 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) [2021-10-28 22:49:48,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:49:48,000 INFO L93 Difference]: Finished difference Result 52 states and 70 transitions. [2021-10-28 22:49:48,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 22:49:48,000 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 70 transitions. [2021-10-28 22:49:48,001 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:49:48,002 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 31 states and 41 transitions. [2021-10-28 22:49:48,002 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-28 22:49:48,002 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-10-28 22:49:48,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 41 transitions. [2021-10-28 22:49:48,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:49:48,002 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 41 transitions. [2021-10-28 22:49:48,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 41 transitions. [2021-10-28 22:49:48,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2021-10-28 22:49:48,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 29 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:48,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2021-10-28 22:49:48,004 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2021-10-28 22:49:48,005 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2021-10-28 22:49:48,005 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-28 22:49:48,005 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 40 transitions. [2021-10-28 22:49:48,005 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:49:48,005 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:48,005 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:48,006 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:48,006 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:49:48,006 INFO L791 eck$LassoCheckResult]: Stem: 1132#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1133#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~i~1, main_#t~nondet16, main_#t~post15, main_~i~2, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 1130#L539 assume !(main_~Alen~0 < 1 || main_~Alen~0 >= 536870911); 1131#L539-2 assume !(main_~Blen~0 < 1 || main_~Blen~0 >= 536870911); 1138#L542-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~i~1 := 0; 1134#L549-3 assume !!(main_~i~1 < main_~Alen~0);call write~int(main_#t~nondet14, main_~A~0.base, main_~A~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet14; 1135#L549-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 1136#L549-3 assume !!(main_~i~1 < main_~Alen~0);call write~int(main_#t~nondet14, main_~A~0.base, main_~A~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet14; 1137#L549-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 1155#L549-3 assume !(main_~i~1 < main_~Alen~0); 1139#L549-4 main_~i~2 := 0; 1140#L554-3 assume !!(main_~i~2 < main_~Blen~0);call write~int(main_#t~nondet16, main_~B~0.base, main_~B~0.offset + 4 * main_~i~2, 4);havoc main_#t~nondet16; 1153#L554-2 main_#t~post15 := main_~i~2;main_~i~2 := 1 + main_#t~post15;havoc main_#t~post15; 1154#L554-3 assume !(main_~i~2 < main_~Blen~0); 1146#L554-4 diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 1141#L519-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 1142#L523-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 1159#L523 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 1158#L523-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 1147#L522-2 assume !(0 == diff_~found~0); 1148#L529-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 1143#L519-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 1144#L523-2 [2021-10-28 22:49:48,007 INFO L793 eck$LassoCheckResult]: Loop: 1144#L523-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 1149#L523 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem2;havoc diff_#t~mem3;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 1144#L523-2 [2021-10-28 22:49:48,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:48,007 INFO L85 PathProgramCache]: Analyzing trace with hash 632093074, now seen corresponding path program 3 times [2021-10-28 22:49:48,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:48,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463334317] [2021-10-28 22:49:48,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:48,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:48,022 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:48,037 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:48,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:48,038 INFO L85 PathProgramCache]: Analyzing trace with hash 2918, now seen corresponding path program 3 times [2021-10-28 22:49:48,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:48,039 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628410612] [2021-10-28 22:49:48,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:48,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:48,042 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:48,045 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:48,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:48,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1851057335, now seen corresponding path program 1 times [2021-10-28 22:49:48,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:48,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298227658] [2021-10-28 22:49:48,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:48,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:48,061 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:48,080 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:48,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:49,840 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:49:49,840 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:49:49,840 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:49:49,840 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:49:49,840 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:49:49,840 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:49,840 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:49:49,841 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:49:49,841 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-2.i_Iteration10_Lasso [2021-10-28 22:49:49,841 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:49:49,841 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:49:49,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:49,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:49,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:49,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:49,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:49,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:49,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:50,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:50,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:50,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:50,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:50,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:50,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:50,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:50,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:50,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:50,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:50,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:50,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:50,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:50,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:50,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:50,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:51,192 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:49:51,193 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:49:51,193 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:51,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:51,195 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:51,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-28 22:49:51,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:51,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:51,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:51,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:51,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:51,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:51,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:51,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:51,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:51,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-10-28 22:49:51,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:51,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:51,225 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:51,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-28 22:49:51,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:51,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:51,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:51,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:51,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:51,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:51,234 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:51,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:51,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-10-28 22:49:51,255 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:51,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:51,256 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:51,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:51,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-28 22:49:51,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:51,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:51,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:51,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:51,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:51,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:51,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:51,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:51,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:51,285 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:51,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:51,286 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:51,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-28 22:49:51,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:51,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:51,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:51,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:51,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:51,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:51,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:51,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:51,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:51,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-10-28 22:49:51,315 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:51,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:51,315 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:51,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-28 22:49:51,316 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 [2021-10-28 22:49:51,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:51,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:51,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:51,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:51,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:51,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:51,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:51,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:51,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:51,344 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:51,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:51,344 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:51,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-28 22:49:51,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:51,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:51,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:51,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:51,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:51,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:51,353 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:51,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:51,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-10-28 22:49:51,409 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:51,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:51,410 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:51,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-28 22:49:51,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:51,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:51,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:51,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:51,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:51,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:51,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:51,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:51,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-10-28 22:49:51,443 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:51,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:51,443 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:51,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-28 22:49:51,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:51,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:51,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:51,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:51,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:51,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:51,462 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:51,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:51,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:51,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:51,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:51,519 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:51,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:51,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:51,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:51,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:51,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:51,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:51,549 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:51,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-28 22:49:51,588 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:49:51,879 INFO L443 ModelExtractionUtils]: Simplification made 81 calls to the SMT solver. [2021-10-28 22:49:51,879 INFO L444 ModelExtractionUtils]: 13 out of 79 variables were initially zero. Simplification set additionally 63 variables to zero. [2021-10-28 22:49:51,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:51,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:51,881 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:51,882 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:49:51,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-28 22:49:51,915 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:49:51,915 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:49:51,915 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_diff_~j~0, v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_5) = -2*ULTIMATE.start_diff_~j~0 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_5 Supporting invariants [] [2021-10-28 22:49:51,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:52,050 INFO L297 tatePredicateManager]: 26 out of 28 supporting invariants were superfluous and have been removed [2021-10-28 22:49:52,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:52,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-28 22:49:52,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:52,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:52,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 22:49:52,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:52,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:52,556 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2021-10-28 22:49:52,557 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 40 transitions. cyclomatic complexity: 15 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) [2021-10-28 22:49:52,608 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 40 transitions. cyclomatic complexity: 15. 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 30 states and 40 transitions. Complement of second has 5 states. [2021-10-28 22:49:52,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-28 22:49:52,610 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) [2021-10-28 22:49:52,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2021-10-28 22:49:52,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 22 letters. Loop has 2 letters. [2021-10-28 22:49:52,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:52,611 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 22:49:52,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:52,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-28 22:49:52,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:52,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 22:49:52,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:53,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:53,012 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2021-10-28 22:49:53,012 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 40 transitions. cyclomatic complexity: 15 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) [2021-10-28 22:49:53,071 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 40 transitions. cyclomatic complexity: 15. 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 30 states and 40 transitions. Complement of second has 5 states. [2021-10-28 22:49:53,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-28 22:49:53,072 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) [2021-10-28 22:49:53,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2021-10-28 22:49:53,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 22 letters. Loop has 2 letters. [2021-10-28 22:49:53,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:53,073 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 22:49:53,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:53,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-28 22:49:53,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:53,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 22:49:53,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:53,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:53,474 INFO L152 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 [2021-10-28 22:49:53,474 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 40 transitions. cyclomatic complexity: 15 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) [2021-10-28 22:49:53,623 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 40 transitions. cyclomatic complexity: 15. 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 55 states and 73 transitions. Complement of second has 11 states. [2021-10-28 22:49:53,623 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 [2021-10-28 22:49:53,624 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) [2021-10-28 22:49:53,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 49 transitions. [2021-10-28 22:49:53,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 49 transitions. Stem has 22 letters. Loop has 2 letters. [2021-10-28 22:49:53,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:53,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 49 transitions. Stem has 24 letters. Loop has 2 letters. [2021-10-28 22:49:53,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:53,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 49 transitions. Stem has 22 letters. Loop has 4 letters. [2021-10-28 22:49:53,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:53,626 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 73 transitions. [2021-10-28 22:49:53,627 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:49:53,627 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 46 states and 61 transitions. [2021-10-28 22:49:53,627 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-28 22:49:53,628 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-28 22:49:53,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 61 transitions. [2021-10-28 22:49:53,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:49:53,628 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 61 transitions. [2021-10-28 22:49:53,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 61 transitions. [2021-10-28 22:49:53,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 39. [2021-10-28 22:49:53,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.358974358974359) internal successors, (53), 38 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) [2021-10-28 22:49:53,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2021-10-28 22:49:53,631 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 53 transitions. [2021-10-28 22:49:53,631 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 53 transitions. [2021-10-28 22:49:53,631 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-28 22:49:53,631 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 53 transitions. [2021-10-28 22:49:53,632 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:49:53,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:53,632 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:53,633 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:53,633 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:49:53,633 INFO L791 eck$LassoCheckResult]: Stem: 1676#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1677#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~i~1, main_#t~nondet16, main_#t~post15, main_~i~2, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 1674#L539 assume !(main_~Alen~0 < 1 || main_~Alen~0 >= 536870911); 1675#L539-2 assume !(main_~Blen~0 < 1 || main_~Blen~0 >= 536870911); 1682#L542-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~i~1 := 0; 1678#L549-3 assume !!(main_~i~1 < main_~Alen~0);call write~int(main_#t~nondet14, main_~A~0.base, main_~A~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet14; 1679#L549-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 1680#L549-3 assume !!(main_~i~1 < main_~Alen~0);call write~int(main_#t~nondet14, main_~A~0.base, main_~A~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet14; 1681#L549-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 1701#L549-3 assume !(main_~i~1 < main_~Alen~0); 1683#L549-4 main_~i~2 := 0; 1684#L554-3 assume !!(main_~i~2 < main_~Blen~0);call write~int(main_#t~nondet16, main_~B~0.base, main_~B~0.offset + 4 * main_~i~2, 4);havoc main_#t~nondet16; 1698#L554-2 main_#t~post15 := main_~i~2;main_~i~2 := 1 + main_#t~post15;havoc main_#t~post15; 1699#L554-3 assume !(main_~i~2 < main_~Blen~0); 1689#L554-4 diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 1685#L519-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 1686#L523-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 1706#L523 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 1708#L523-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 1704#L522-2 assume !(0 == diff_~found~0); 1702#L529-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 1687#L519-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 1688#L523-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 1694#L523 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 1695#L523-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 1690#L522-2 assume !(0 == diff_~found~0); 1691#L529-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 1700#L519-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 1693#L523-2 [2021-10-28 22:49:53,633 INFO L793 eck$LassoCheckResult]: Loop: 1693#L523-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 1692#L523 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem2;havoc diff_#t~mem3;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 1693#L523-2 [2021-10-28 22:49:53,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:53,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1152026836, now seen corresponding path program 4 times [2021-10-28 22:49:53,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:53,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716975067] [2021-10-28 22:49:53,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:53,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:53,698 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 22:49:53,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:53,699 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716975067] [2021-10-28 22:49:53,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716975067] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:49:53,699 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520878270] [2021-10-28 22:49:53,699 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-28 22:49:53,699 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:49:53,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:53,703 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:49:53,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2021-10-28 22:49:53,890 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-28 22:49:53,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 22:49:53,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 22:49:53,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:54,061 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 22:49:54,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520878270] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:49:54,061 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:49:54,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-10-28 22:49:54,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147972863] [2021-10-28 22:49:54,063 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:49:54,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:54,064 INFO L85 PathProgramCache]: Analyzing trace with hash 2918, now seen corresponding path program 4 times [2021-10-28 22:49:54,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:54,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089172320] [2021-10-28 22:49:54,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:54,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:54,070 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:54,073 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:54,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:54,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-28 22:49:54,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-10-28 22:49:54,150 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. cyclomatic complexity: 20 Second operand has 13 states, 12 states have (on average 3.75) internal successors, (45), 13 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:54,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:49:54,243 INFO L93 Difference]: Finished difference Result 66 states and 89 transitions. [2021-10-28 22:49:54,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 22:49:54,244 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 89 transitions. [2021-10-28 22:49:54,245 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:49:54,245 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 42 states and 56 transitions. [2021-10-28 22:49:54,245 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-28 22:49:54,246 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-10-28 22:49:54,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 56 transitions. [2021-10-28 22:49:54,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:49:54,246 INFO L681 BuchiCegarLoop]: Abstraction has 42 states and 56 transitions. [2021-10-28 22:49:54,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 56 transitions. [2021-10-28 22:49:54,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2021-10-28 22:49:54,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 40 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:49:54,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2021-10-28 22:49:54,250 INFO L704 BuchiCegarLoop]: Abstraction has 41 states and 55 transitions. [2021-10-28 22:49:54,250 INFO L587 BuchiCegarLoop]: Abstraction has 41 states and 55 transitions. [2021-10-28 22:49:54,250 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-28 22:49:54,250 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 55 transitions. [2021-10-28 22:49:54,251 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:49:54,251 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:54,251 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:54,252 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:54,252 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:49:54,253 INFO L791 eck$LassoCheckResult]: Stem: 1886#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1887#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~i~1, main_#t~nondet16, main_#t~post15, main_~i~2, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 1884#L539 assume !(main_~Alen~0 < 1 || main_~Alen~0 >= 536870911); 1885#L539-2 assume !(main_~Blen~0 < 1 || main_~Blen~0 >= 536870911); 1888#L542-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~i~1 := 0; 1889#L549-3 assume !!(main_~i~1 < main_~Alen~0);call write~int(main_#t~nondet14, main_~A~0.base, main_~A~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet14; 1890#L549-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 1891#L549-3 assume !!(main_~i~1 < main_~Alen~0);call write~int(main_#t~nondet14, main_~A~0.base, main_~A~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet14; 1892#L549-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 1924#L549-3 assume !!(main_~i~1 < main_~Alen~0);call write~int(main_#t~nondet14, main_~A~0.base, main_~A~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet14; 1923#L549-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 1922#L549-3 assume !(main_~i~1 < main_~Alen~0); 1893#L549-4 main_~i~2 := 0; 1894#L554-3 assume !!(main_~i~2 < main_~Blen~0);call write~int(main_#t~nondet16, main_~B~0.base, main_~B~0.offset + 4 * main_~i~2, 4);havoc main_#t~nondet16; 1908#L554-2 main_#t~post15 := main_~i~2;main_~i~2 := 1 + main_#t~post15;havoc main_#t~post15; 1909#L554-3 assume !(main_~i~2 < main_~Blen~0); 1899#L554-4 diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 1895#L519-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 1896#L523-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 1920#L523 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 1918#L523-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 1900#L522-2 assume !(0 == diff_~found~0); 1901#L529-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 1897#L519-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 1898#L523-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 1904#L523 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem2;havoc diff_#t~mem3;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 1905#L523-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 1912#L522-2 assume !(0 == diff_~found~0); 1911#L529-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 1910#L519-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 1903#L523-2 [2021-10-28 22:49:54,253 INFO L793 eck$LassoCheckResult]: Loop: 1903#L523-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 1902#L523 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem2;havoc diff_#t~mem3;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 1903#L523-2 [2021-10-28 22:49:54,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:54,253 INFO L85 PathProgramCache]: Analyzing trace with hash 379219596, now seen corresponding path program 2 times [2021-10-28 22:49:54,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:54,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444892234] [2021-10-28 22:49:54,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:54,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:54,279 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-28 22:49:54,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:54,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444892234] [2021-10-28 22:49:54,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444892234] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:49:54,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:49:54,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:49:54,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325390431] [2021-10-28 22:49:54,280 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:49:54,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:54,281 INFO L85 PathProgramCache]: Analyzing trace with hash 2918, now seen corresponding path program 5 times [2021-10-28 22:49:54,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:54,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162165872] [2021-10-28 22:49:54,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:54,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:54,286 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:54,289 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:54,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:54,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:49:54,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:49:54,354 INFO L87 Difference]: Start difference. First operand 41 states and 55 transitions. cyclomatic complexity: 20 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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) [2021-10-28 22:49:54,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:49:54,364 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2021-10-28 22:49:54,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:49:54,364 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 58 transitions. [2021-10-28 22:49:54,365 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:49:54,365 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 58 transitions. [2021-10-28 22:49:54,366 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-28 22:49:54,366 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-10-28 22:49:54,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 58 transitions. [2021-10-28 22:49:54,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:49:54,366 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 58 transitions. [2021-10-28 22:49:54,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 58 transitions. [2021-10-28 22:49:54,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2021-10-28 22:49:54,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 40 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) [2021-10-28 22:49:54,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 53 transitions. [2021-10-28 22:49:54,369 INFO L704 BuchiCegarLoop]: Abstraction has 41 states and 53 transitions. [2021-10-28 22:49:54,369 INFO L587 BuchiCegarLoop]: Abstraction has 41 states and 53 transitions. [2021-10-28 22:49:54,369 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-28 22:49:54,369 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 53 transitions. [2021-10-28 22:49:54,370 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:49:54,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:49:54,370 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:49:54,371 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:54,371 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:49:54,371 INFO L791 eck$LassoCheckResult]: Stem: 1978#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1979#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~nondet14, main_#t~post13, main_~i~1, main_#t~nondet16, main_#t~post15, main_~i~2, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 1976#L539 assume !(main_~Alen~0 < 1 || main_~Alen~0 >= 536870911); 1977#L539-2 assume !(main_~Blen~0 < 1 || main_~Blen~0 >= 536870911); 1980#L542-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;main_~i~1 := 0; 1981#L549-3 assume !!(main_~i~1 < main_~Alen~0);call write~int(main_#t~nondet14, main_~A~0.base, main_~A~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet14; 1982#L549-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 1983#L549-3 assume !!(main_~i~1 < main_~Alen~0);call write~int(main_#t~nondet14, main_~A~0.base, main_~A~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet14; 1984#L549-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 2003#L549-3 assume !!(main_~i~1 < main_~Alen~0);call write~int(main_#t~nondet14, main_~A~0.base, main_~A~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet14; 2005#L549-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 2004#L549-3 assume !(main_~i~1 < main_~Alen~0); 1985#L549-4 main_~i~2 := 0; 1986#L554-3 assume !!(main_~i~2 < main_~Blen~0);call write~int(main_#t~nondet16, main_~B~0.base, main_~B~0.offset + 4 * main_~i~2, 4);havoc main_#t~nondet16; 2000#L554-2 main_#t~post15 := main_~i~2;main_~i~2 := 1 + main_#t~post15;havoc main_#t~post15; 2001#L554-3 assume !(main_~i~2 < main_~Blen~0); 1991#L554-4 diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 1987#L519-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 1988#L523-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 2010#L523 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 2012#L523-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 2008#L522-2 assume !(0 == diff_~found~0); 2006#L529-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 1989#L519-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 1990#L523-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 2016#L523 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem2;havoc diff_#t~mem3;diff_~found~0 := 1; 2014#L523-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 1992#L522-2 assume !(0 == diff_~found~0); 1993#L529-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 2002#L519-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 1995#L523-2 [2021-10-28 22:49:54,371 INFO L793 eck$LassoCheckResult]: Loop: 1995#L523-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 1994#L523 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem2;havoc diff_#t~mem3;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 1995#L523-2 [2021-10-28 22:49:54,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:54,372 INFO L85 PathProgramCache]: Analyzing trace with hash 377372554, now seen corresponding path program 5 times [2021-10-28 22:49:54,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:54,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235585147] [2021-10-28 22:49:54,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:54,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:54,389 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:54,410 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:54,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:54,411 INFO L85 PathProgramCache]: Analyzing trace with hash 2918, now seen corresponding path program 6 times [2021-10-28 22:49:54,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:54,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58284490] [2021-10-28 22:49:54,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:54,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:54,416 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:54,418 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:54,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:54,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1877773487, now seen corresponding path program 3 times [2021-10-28 22:49:54,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:54,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280711903] [2021-10-28 22:49:54,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:54,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:54,436 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:54,458 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:56,672 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:49:56,672 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:49:56,672 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:49:56,672 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:49:56,672 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:49:56,672 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:56,673 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:49:56,673 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:49:56,673 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-2.i_Iteration13_Lasso [2021-10-28 22:49:56,673 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:49:56,673 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:49:56,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:56,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:56,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:56,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:56,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:56,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:56,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:56,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:56,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:56,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:56,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:56,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:57,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:57,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:57,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:57,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:57,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:57,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:57,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:57,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:57,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:57,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:49:57,941 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:49:57,941 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:49:57,941 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:57,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:57,944 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:57,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-28 22:49:57,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:57,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:57,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:57,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:57,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:57,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:57,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:57,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:57,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:57,974 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:57,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:57,975 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:57,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-28 22:49:57,976 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 [2021-10-28 22:49:57,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:57,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:57,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:57,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:57,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:57,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:57,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:57,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:58,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-10-28 22:49:58,003 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:58,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:58,003 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:58,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-28 22:49:58,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:58,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:58,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:58,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:58,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:58,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:58,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:58,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:58,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:58,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:58,032 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:58,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:58,033 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:58,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-28 22:49:58,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:58,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:58,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:58,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:58,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:58,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:58,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:58,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:58,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:58,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:58,061 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:58,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:58,062 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:58,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-28 22:49:58,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:58,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:58,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:58,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:58,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:58,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:58,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:58,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:58,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:58,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:58,091 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:58,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:58,092 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:58,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-28 22:49:58,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:58,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:58,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:58,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:58,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:58,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:58,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:58,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:58,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:58,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-10-28 22:49:58,121 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:58,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:58,122 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:58,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-28 22:49:58,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:58,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:58,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:58,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:58,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:58,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:58,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:58,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:58,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:58,152 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:58,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:58,153 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:58,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-28 22:49:58,156 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 [2021-10-28 22:49:58,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:58,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:58,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:58,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:58,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:58,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:58,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:58,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:58,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-10-28 22:49:58,185 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:58,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:58,186 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:58,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-28 22:49:58,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:58,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:58,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:58,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:58,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:58,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:58,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:58,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:58,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:58,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:58,214 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:58,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:58,215 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:58,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-28 22:49:58,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:58,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:58,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:58,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:58,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:58,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:58,224 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:58,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:58,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:58,245 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:58,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:58,246 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:58,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-28 22:49:58,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:58,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:58,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:49:58,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:58,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:58,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:58,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:49:58,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:49:58,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:58,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-10-28 22:49:58,276 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:58,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:58,276 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:58,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-28 22:49:58,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:58,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:58,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:58,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:58,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:58,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:58,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:58,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:58,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-10-28 22:49:58,309 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:58,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:58,310 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:58,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-28 22:49:58,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:58,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:58,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:58,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:58,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:58,326 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:58,326 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:58,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:58,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-10-28 22:49:58,443 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:58,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:58,456 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:58,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:58,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:58,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:58,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:58,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:58,513 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:58,513 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:58,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-28 22:49:58,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:58,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:58,553 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:58,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:58,554 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:58,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-28 22:49:58,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:58,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:58,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:58,563 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 22:49:58,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:58,571 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-28 22:49:58,571 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 22:49:58,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:58,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:58,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:58,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:58,607 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:58,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-28 22:49:58,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:58,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:58,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:58,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:58,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:58,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:58,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:58,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:49:58,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-10-28 22:49:58,639 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:58,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:58,640 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:58,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-28 22:49:58,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:49:58,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:49:58,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:49:58,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:49:58,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:49:58,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:49:58,661 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:49:58,707 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:49:58,780 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2021-10-28 22:49:58,780 INFO L444 ModelExtractionUtils]: 43 out of 79 variables were initially zero. Simplification set additionally 32 variables to zero. [2021-10-28 22:49:58,780 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:49:58,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:58,782 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:58,783 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:49:58,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-28 22:49:58,810 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:49:58,810 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:49:58,810 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~B~0.offset, v_rep(select #length ULTIMATE.start_diff_~B.base)_4, ULTIMATE.start_diff_~j~0) = -1*ULTIMATE.start_main_~B~0.offset + 2*v_rep(select #length ULTIMATE.start_diff_~B.base)_4 - 4*ULTIMATE.start_diff_~j~0 Supporting invariants [] [2021-10-28 22:49:58,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-10-28 22:49:58,974 INFO L297 tatePredicateManager]: 31 out of 32 supporting invariants were superfluous and have been removed [2021-10-28 22:49:58,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:59,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 22:49:59,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:59,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 22:49:59,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:59,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:59,196 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-28 22:49:59,196 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 53 transitions. cyclomatic complexity: 18 Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 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) [2021-10-28 22:49:59,234 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 53 transitions. cyclomatic complexity: 18. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 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 52 states and 66 transitions. Complement of second has 8 states. [2021-10-28 22:49:59,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 22:49:59,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 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) [2021-10-28 22:49:59,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2021-10-28 22:49:59,235 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 30 letters. Loop has 2 letters. [2021-10-28 22:49:59,235 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:59,235 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 22:49:59,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:59,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-28 22:49:59,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:59,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 22:49:59,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:59,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:59,554 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-28 22:49:59,554 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 53 transitions. cyclomatic complexity: 18 Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 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) [2021-10-28 22:49:59,593 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 53 transitions. cyclomatic complexity: 18. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 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 52 states and 66 transitions. Complement of second has 9 states. [2021-10-28 22:49:59,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 22:49:59,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 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) [2021-10-28 22:49:59,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2021-10-28 22:49:59,594 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 30 letters. Loop has 2 letters. [2021-10-28 22:49:59,595 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:59,595 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 22:49:59,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:59,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 22:49:59,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:59,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 22:49:59,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:49:59,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:59,812 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-28 22:49:59,812 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 53 transitions. cyclomatic complexity: 18 Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 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) [2021-10-28 22:49:59,855 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 53 transitions. cyclomatic complexity: 18. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 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 66 states and 87 transitions. Complement of second has 7 states. [2021-10-28 22:49:59,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 22:49:59,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 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) [2021-10-28 22:49:59,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2021-10-28 22:49:59,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 30 letters. Loop has 2 letters. [2021-10-28 22:49:59,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:59,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 32 letters. Loop has 2 letters. [2021-10-28 22:49:59,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:59,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 30 letters. Loop has 4 letters. [2021-10-28 22:49:59,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:49:59,857 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 87 transitions. [2021-10-28 22:49:59,858 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:49:59,858 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 0 states and 0 transitions. [2021-10-28 22:49:59,858 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 22:49:59,858 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 22:49:59,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 22:49:59,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:49:59,858 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:49:59,859 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:49:59,859 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:49:59,859 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-28 22:49:59,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:49:59,859 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:49:59,859 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 22:49:59,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 10:49:59 BoogieIcfgContainer [2021-10-28 22:49:59,865 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 22:49:59,865 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:49:59,865 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:49:59,865 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:49:59,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:49:33" (3/4) ... [2021-10-28 22:49:59,869 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 22:49:59,869 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:49:59,871 INFO L168 Benchmark]: Toolchain (without parser) took 27620.27 ms. Allocated memory was 90.2 MB in the beginning and 195.0 MB in the end (delta: 104.9 MB). Free memory was 51.9 MB in the beginning and 49.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 105.6 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:59,871 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 90.2 MB. Free memory was 69.7 MB in the beginning and 69.7 MB in the end (delta: 44.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:49:59,871 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.84 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 51.7 MB in the beginning and 80.8 MB in the end (delta: -29.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:59,872 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.42 ms. Allocated memory is still 111.1 MB. Free memory was 80.8 MB in the beginning and 78.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:59,872 INFO L168 Benchmark]: Boogie Preprocessor took 27.75 ms. Allocated memory is still 111.1 MB. Free memory was 78.7 MB in the beginning and 77.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:59,872 INFO L168 Benchmark]: RCFGBuilder took 453.71 ms. Allocated memory is still 111.1 MB. Free memory was 77.3 MB in the beginning and 65.6 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:59,873 INFO L168 Benchmark]: BuchiAutomizer took 26654.22 ms. Allocated memory was 111.1 MB in the beginning and 195.0 MB in the end (delta: 83.9 MB). Free memory was 65.6 MB in the beginning and 50.8 MB in the end (delta: 14.8 MB). Peak memory consumption was 101.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:59,873 INFO L168 Benchmark]: Witness Printer took 4.23 ms. Allocated memory is still 195.0 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:49:59,875 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 90.2 MB. Free memory was 69.7 MB in the beginning and 69.7 MB in the end (delta: 44.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 428.84 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 51.7 MB in the beginning and 80.8 MB in the end (delta: -29.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.42 ms. Allocated memory is still 111.1 MB. Free memory was 80.8 MB in the beginning and 78.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.75 ms. Allocated memory is still 111.1 MB. Free memory was 78.7 MB in the beginning and 77.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 453.71 ms. Allocated memory is still 111.1 MB. Free memory was 77.3 MB in the beginning and 65.6 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 26654.22 ms. Allocated memory was 111.1 MB in the beginning and 195.0 MB in the end (delta: 83.9 MB). Free memory was 65.6 MB in the beginning and 50.8 MB in the end (delta: 14.8 MB). Peak memory consumption was 101.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.23 ms. Allocated memory is still 195.0 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 13 terminating modules (7 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function -1 * i + Alen and consists of 5 locations. One deterministic module has affine ranking function -1 * i + Blen and consists of 4 locations. One deterministic module has affine ranking function l1 + -1 * i and consists of 3 locations. One deterministic module has affine ranking function l2 + -1 * j and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (Blen * sizeof(int))] + -2 * j and consists of 8 locations. One nondeterministic module has affine ranking function 2 * unknown-#length-unknown[B] + -1 * B + -4 * j and consists of 5 locations. 7 modules have a trivial ranking function, the largest among these consists of 13 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 26.5s and 14 iterations. TraceHistogramMax:3. Analysis of lassos took 23.0s. Construction of modules took 0.3s. Büchi inclusion checks took 3.0s. Highest rank in rank-based complementation 3. Minimization of det autom 7. Minimization of nondet autom 6. Automata minimization 0.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 28 StatesRemovedByMinimization, 10 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 41 states and ocurred in iteration 11. Nontrivial modules had stage [4, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 313 SDtfs, 457 SDslu, 480 SDs, 0 SdLazy, 365 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU5 SILI0 SILT0 lasso6 LassoPreprocessingBenchmarks: Lassos: inital281 mio100 ax106 hnf99 lsp85 ukn84 mio100 lsp60 div100 bol100 ite100 ukn100 eq179 hnf91 smp91 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 6 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 22:49:59,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:00,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Ended with exit code 0 [2021-10-28 22:50:00,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Ended with exit code 0 [2021-10-28 22:50:00,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6569624-afa8-4c0f-8746-2a7d239f7a06/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...