./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/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_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/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 64bit --witnessprinter.graph.data.programhash b9049196bba7cbcb7cf3ded9c8379f49dc6ac79e222934a18b33266f1e0c667f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:34:05,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:34:05,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:34:05,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:34:05,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:34:05,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:34:05,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:34:05,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:34:05,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:34:05,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:34:05,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:34:05,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:34:05,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:34:05,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:34:05,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:34:05,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:34:05,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:34:05,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:34:05,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:34:05,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:34:05,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:34:05,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:34:05,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:34:05,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:34:05,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:34:05,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:34:05,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:34:05,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:34:05,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:34:05,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:34:05,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:34:05,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:34:05,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:34:05,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:34:05,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:34:05,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:34:05,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:34:05,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:34:05,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:34:05,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:34:05,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:34:05,579 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:34:05,627 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:34:05,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:34:05,628 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:34:05,628 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:34:05,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:34:05,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:34:05,630 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:34:05,630 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:34:05,631 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:34:05,631 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:34:05,632 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:34:05,632 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:34:05,633 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:34:05,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:34:05,633 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:34:05,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:34:05,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:34:05,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:34:05,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:34:05,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:34:05,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:34:05,635 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:34:05,635 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:34:05,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:34:05,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:34:05,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:34:05,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:34:05,638 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:34:05,638 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:34:05,639 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:34:05,639 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_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9049196bba7cbcb7cf3ded9c8379f49dc6ac79e222934a18b33266f1e0c667f [2021-10-28 23:34:05,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:34:05,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:34:05,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:34:05,991 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:34:05,992 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:34:05,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i [2021-10-28 23:34:06,064 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/data/95fe46d51/708dade53b6742f8902d4a605390a359/FLAG3c75ad8c8 [2021-10-28 23:34:06,837 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:34:06,838 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/sv-benchmarks/c/termination-memory-alloca/KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i [2021-10-28 23:34:06,853 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/data/95fe46d51/708dade53b6742f8902d4a605390a359/FLAG3c75ad8c8 [2021-10-28 23:34:06,866 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/data/95fe46d51/708dade53b6742f8902d4a605390a359 [2021-10-28 23:34:06,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:34:06,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:34:06,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:34:06,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:34:06,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:34:06,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:34:06" (1/1) ... [2021-10-28 23:34:06,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47b2d3cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:34:06, skipping insertion in model container [2021-10-28 23:34:06,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:34:06" (1/1) ... [2021-10-28 23:34:06,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:34:06,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:34:07,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:34:07,322 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:34:07,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:34:07,423 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:34:07,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:34:07 WrapperNode [2021-10-28 23:34:07,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:34:07,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:34:07,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:34:07,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:34:07,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:34:07" (1/1) ... [2021-10-28 23:34:07,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:34:07" (1/1) ... [2021-10-28 23:34:07,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:34:07,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:34:07,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:34:07,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:34:07,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:34:07" (1/1) ... [2021-10-28 23:34:07,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:34:07" (1/1) ... [2021-10-28 23:34:07,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:34:07" (1/1) ... [2021-10-28 23:34:07,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:34:07" (1/1) ... [2021-10-28 23:34:07,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:34:07" (1/1) ... [2021-10-28 23:34:07,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:34:07" (1/1) ... [2021-10-28 23:34:07,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:34:07" (1/1) ... [2021-10-28 23:34:07,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:34:07,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:34:07,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:34:07,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:34:07,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:34:07" (1/1) ... [2021-10-28 23:34:07,569 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:07,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:34:07,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:34:07,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:34:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:34:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:34:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:34:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:34:07,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:34:07,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:34:07,913 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:34:07,913 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 23:34:07,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:34:07 BoogieIcfgContainer [2021-10-28 23:34:07,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:34:07,917 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:34:07,917 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:34:07,933 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:34:07,934 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:34:07,934 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:34:06" (1/3) ... [2021-10-28 23:34:07,936 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75af46d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:34:07, skipping insertion in model container [2021-10-28 23:34:07,936 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:34:07,936 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:34:07" (2/3) ... [2021-10-28 23:34:07,937 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75af46d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:34:07, skipping insertion in model container [2021-10-28 23:34:07,937 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:34:07,937 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:34:07" (3/3) ... [2021-10-28 23:34:07,939 INFO L389 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i [2021-10-28 23:34:08,044 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:34:08,045 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:34:08,045 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:34:08,045 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:34:08,045 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:34:08,045 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:34:08,045 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:34:08,046 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:34:08,094 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:34:08,123 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 23:34:08,124 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:34:08,124 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:34:08,131 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 23:34:08,132 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 23:34:08,132 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:34:08,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:34:08,136 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 23:34:08,136 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:34:08,136 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:34:08,137 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 23:34:08,137 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 23:34:08,146 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~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~nondet4, main_#t~mem6, main_#t~mem7, main_#t~post8, main_#t~mem9, main_#t~mem10, main_#t~mem5, main_~x~0.base, main_~x~0.offset, main_~debug~0.base, main_~debug~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~debug~0.base, main_~debug~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call write~int(main_#t~nondet4, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet4;call write~int(0, main_~debug~0.base, main_~debug~0.offset, 4); 9#L558-2true [2021-10-28 23:34:08,147 INFO L793 eck$LassoCheckResult]: Loop: 9#L558-2true call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4); 12#L552-1true assume !!(main_#t~mem5 < 255);havoc main_#t~mem5;call main_#t~mem6 := read~int(main_~x~0.base, main_~x~0.offset, 4); 4#L553true assume !(0 != (if main_#t~mem6 < 0 && 0 != main_#t~mem6 % 2 then main_#t~mem6 % 2 - 2 else main_#t~mem6 % 2));havoc main_#t~mem6;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(2 + main_#t~mem9, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9; 8#L553-2true call main_#t~mem10 := read~int(main_~debug~0.base, main_~debug~0.offset, 4); 7#L558true assume 0 != main_#t~mem10;havoc main_#t~mem10;call write~int(0, main_~x~0.base, main_~x~0.offset, 4); 9#L558-2true [2021-10-28 23:34:08,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:34:08,162 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-28 23:34:08,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:34:08,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299719098] [2021-10-28 23:34:08,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:34:08,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:34:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:34:08,358 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:34:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:34:08,435 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:34:08,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:34:08,439 INFO L85 PathProgramCache]: Analyzing trace with hash 35468238, now seen corresponding path program 1 times [2021-10-28 23:34:08,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:34:08,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773155354] [2021-10-28 23:34:08,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:34:08,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:34:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:34:08,512 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:34:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:34:08,539 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:34:08,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:34:08,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907724, now seen corresponding path program 1 times [2021-10-28 23:34:08,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:34:08,542 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193807619] [2021-10-28 23:34:08,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:34:08,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:34:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:34:08,711 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 23:34:08,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:34:08,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193807619] [2021-10-28 23:34:08,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193807619] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:34:08,714 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:34:08,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:34:08,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601817188] [2021-10-28 23:34:08,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:34:08,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:34:08,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:34:08,918 INFO L87 Difference]: Start difference. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.3333333333333335) 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 23:34:08,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:34:08,977 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2021-10-28 23:34:08,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:34:08,981 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2021-10-28 23:34:08,984 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 23:34:08,988 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 7 states and 8 transitions. [2021-10-28 23:34:08,989 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-10-28 23:34:08,990 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-10-28 23:34:08,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2021-10-28 23:34:08,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:34:08,992 INFO L681 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2021-10-28 23:34:09,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2021-10-28 23:34:09,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-10-28 23:34:09,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 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 23:34:09,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2021-10-28 23:34:09,023 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2021-10-28 23:34:09,023 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2021-10-28 23:34:09,024 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:34:09,024 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2021-10-28 23:34:09,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 23:34:09,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:34:09,025 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:34:09,026 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 23:34:09,026 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 23:34:09,026 INFO L791 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 39#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~nondet4, main_#t~mem6, main_#t~mem7, main_#t~post8, main_#t~mem9, main_#t~mem10, main_#t~mem5, main_~x~0.base, main_~x~0.offset, main_~debug~0.base, main_~debug~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~debug~0.base, main_~debug~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call write~int(main_#t~nondet4, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet4;call write~int(0, main_~debug~0.base, main_~debug~0.offset, 4); 41#L558-2 [2021-10-28 23:34:09,027 INFO L793 eck$LassoCheckResult]: Loop: 41#L558-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4); 42#L552-1 assume !!(main_#t~mem5 < 255);havoc main_#t~mem5;call main_#t~mem6 := read~int(main_~x~0.base, main_~x~0.offset, 4); 36#L553 assume !(0 != (if main_#t~mem6 < 0 && 0 != main_#t~mem6 % 2 then main_#t~mem6 % 2 - 2 else main_#t~mem6 % 2));havoc main_#t~mem6;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(2 + main_#t~mem9, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9; 37#L553-2 call main_#t~mem10 := read~int(main_~debug~0.base, main_~debug~0.offset, 4); 40#L558 assume !(0 != main_#t~mem10);havoc main_#t~mem10; 41#L558-2 [2021-10-28 23:34:09,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:34:09,028 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-10-28 23:34:09,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:34:09,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995853897] [2021-10-28 23:34:09,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:34:09,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:34:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:34:09,070 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:34:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:34:09,094 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:34:09,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:34:09,100 INFO L85 PathProgramCache]: Analyzing trace with hash 35468240, now seen corresponding path program 1 times [2021-10-28 23:34:09,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:34:09,101 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966884195] [2021-10-28 23:34:09,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:34:09,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:34:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:34:09,137 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:34:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:34:09,160 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:34:09,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:34:09,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907726, now seen corresponding path program 1 times [2021-10-28 23:34:09,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:34:09,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207068235] [2021-10-28 23:34:09,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:34:09,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:34:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:34:09,247 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:34:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:34:09,282 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:34:09,767 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:34:09,768 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:34:09,768 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:34:09,768 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:34:09,769 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:34:09,769 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:09,769 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:34:09,769 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:34:09,769 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i_Iteration2_Lasso [2021-10-28 23:34:09,770 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:34:09,770 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:34:09,793 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 23:34:09,799 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 23:34:09,801 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 23:34:09,804 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 23:34:09,807 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 23:34:09,809 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 23:34:09,813 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 23:34:09,817 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 23:34:10,073 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 23:34:10,076 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 23:34:10,079 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 23:34:10,082 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 23:34:10,085 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 23:34:10,087 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 23:34:10,443 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:34:10,454 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:34:10,456 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:10,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:34:10,458 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:34:10,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 23:34:10,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:34:10,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:34:10,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:34:10,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:34:10,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:34:10,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:34:10,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:34:10,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:34:10,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:34:10,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:34:10,539 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:10,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:34:10,543 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:34:10,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:34:10,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:34:10,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:34:10,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:34:10,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:34:10,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:34:10,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:34:10,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:34:10,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:34:10,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:34:10,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:34:10,628 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:10,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:34:10,630 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:34:10,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 23:34:10,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:34:10,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:34:10,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:34:10,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:34:10,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:34:10,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:34:10,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:34:10,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:34:10,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:34:10,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:34:10,706 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:10,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:34:10,708 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:34:10,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:34:10,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 23:34:10,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:34:10,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:34:10,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:34:10,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:34:10,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:34:10,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:34:10,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:34:10,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:34:10,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-28 23:34:10,772 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:10,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:34:10,773 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:34:10,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:34:10,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 23:34:10,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:34:10,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:34:10,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:34:10,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:34:10,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:34:10,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:34:10,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:34:10,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:34:10,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:34:10,810 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:10,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:34:10,815 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:34:10,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:34:10,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 23:34:10,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:34:10,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:34:10,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:34:10,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:34:10,832 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:34:10,832 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:34:10,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:34:10,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:34:10,882 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:10,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:34:10,887 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:34:10,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:34:10,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:34:10,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:34:10,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:34:10,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:34:10,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:34:10,909 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:34:10,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:34:10,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:34:10,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:34:10,967 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:10,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:34:10,969 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:34:10,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:34:10,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 23:34:10,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:34:10,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:34:10,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:34:10,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:34:10,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:34:10,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:34:11,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:34:11,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:34:11,067 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:11,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:34:11,068 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:34:11,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:34:11,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:34:11,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:34:11,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:34:11,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:34:11,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:34:11,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:34:11,083 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:34:11,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:34:11,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:34:11,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:11,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:34:11,135 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:34:11,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 23:34:11,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:34:11,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:34:11,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:34:11,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:34:11,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:34:11,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:34:11,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:34:11,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:34:11,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:34:11,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:11,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:34:11,226 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:34:11,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 23:34:11,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:34:11,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:34:11,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:34:11,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:34:11,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:34:11,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:34:11,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:34:11,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:34:11,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:34:11,298 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:11,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:34:11,299 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:34:11,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:34:11,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 23:34:11,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:34:11,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:34:11,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:34:11,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:34:11,329 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:34:11,329 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:34:11,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:34:11,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:34:11,378 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:11,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:34:11,379 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:34:11,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:34:11,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 23:34:11,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:34:11,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:34:11,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:34:11,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:34:11,392 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:34:11,392 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:34:11,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:34:11,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 23:34:11,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:11,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:34:11,419 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:34:11,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 23:34:11,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 23:34:11,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:34:11,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:34:11,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:34:11,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:34:11,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:34:11,437 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:34:11,470 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:34:11,495 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-28 23:34:11,495 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-10-28 23:34:11,497 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:11,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:34:11,513 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:34:11,535 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:34:11,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 23:34:11,565 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:34:11,566 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:34:11,566 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1 + 255 Supporting invariants [] [2021-10-28 23:34:11,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 23:34:11,662 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-10-28 23:34:11,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:34:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:34:11,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:34:11,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:34:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:34:11,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:34:11,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:34:11,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2021-10-28 23:34:11,854 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 23:34:11,857 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-10-28 23:34:11,857 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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 23:34:11,902 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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 18 states and 21 transitions. Complement of second has 9 states. [2021-10-28 23:34:11,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 23:34:11,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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 23:34:11,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. [2021-10-28 23:34:11,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 2 letters. Loop has 5 letters. [2021-10-28 23:34:11,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:34:11,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 7 letters. Loop has 5 letters. [2021-10-28 23:34:11,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:34:11,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 2 letters. Loop has 10 letters. [2021-10-28 23:34:11,906 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:34:11,906 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2021-10-28 23:34:11,907 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 23:34:11,908 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 21 transitions. [2021-10-28 23:34:11,908 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-28 23:34:11,908 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-28 23:34:11,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2021-10-28 23:34:11,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:34:11,908 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-28 23:34:11,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2021-10-28 23:34:11,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2021-10-28 23:34:11,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:34:11,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-10-28 23:34:11,911 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-10-28 23:34:11,911 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-10-28 23:34:11,911 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:34:11,911 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2021-10-28 23:34:11,912 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 23:34:11,912 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:34:11,912 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:34:11,912 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 23:34:11,912 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 23:34:11,913 INFO L791 eck$LassoCheckResult]: Stem: 159#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 160#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~nondet4, main_#t~mem6, main_#t~mem7, main_#t~post8, main_#t~mem9, main_#t~mem10, main_#t~mem5, main_~x~0.base, main_~x~0.offset, main_~debug~0.base, main_~debug~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~debug~0.base, main_~debug~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call write~int(main_#t~nondet4, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet4;call write~int(0, main_~debug~0.base, main_~debug~0.offset, 4); 169#L558-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4); 167#L552-1 assume !!(main_#t~mem5 < 255);havoc main_#t~mem5;call main_#t~mem6 := read~int(main_~x~0.base, main_~x~0.offset, 4); 155#L553 assume 0 != (if main_#t~mem6 < 0 && 0 != main_#t~mem6 % 2 then main_#t~mem6 % 2 - 2 else main_#t~mem6 % 2);havoc main_#t~mem6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post8 := main_#t~mem7;call write~int(main_#t~post8 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem7;havoc main_#t~post8; 156#L553-2 [2021-10-28 23:34:11,913 INFO L793 eck$LassoCheckResult]: Loop: 156#L553-2 call main_#t~mem10 := read~int(main_~debug~0.base, main_~debug~0.offset, 4); 161#L558 assume !(0 != main_#t~mem10);havoc main_#t~mem10; 162#L558-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4); 170#L552-1 assume !!(main_#t~mem5 < 255);havoc main_#t~mem5;call main_#t~mem6 := read~int(main_~x~0.base, main_~x~0.offset, 4); 171#L553 assume !(0 != (if main_#t~mem6 < 0 && 0 != main_#t~mem6 % 2 then main_#t~mem6 % 2 - 2 else main_#t~mem6 % 2));havoc main_#t~mem6;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(2 + main_#t~mem9, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9; 156#L553-2 [2021-10-28 23:34:11,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:34:11,913 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2021-10-28 23:34:11,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:34:11,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600007472] [2021-10-28 23:34:11,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:34:11,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:34:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:34:11,926 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:34:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:34:11,941 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:34:11,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:34:11,942 INFO L85 PathProgramCache]: Analyzing trace with hash 46898150, now seen corresponding path program 2 times [2021-10-28 23:34:11,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:34:11,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046322089] [2021-10-28 23:34:11,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:34:11,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:34:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:34:11,950 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:34:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:34:11,959 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:34:11,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:34:11,959 INFO L85 PathProgramCache]: Analyzing trace with hash 705693312, now seen corresponding path program 1 times [2021-10-28 23:34:11,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:34:11,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368913431] [2021-10-28 23:34:11,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:34:11,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:34:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:34:11,977 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:34:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:34:12,016 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:34:12,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 23:34:12,639 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:34:12,639 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:34:12,640 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:34:12,640 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:34:12,640 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:34:12,640 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:12,640 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:34:12,640 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:34:12,640 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-2010CAV-Fig1-alloca.i_Iteration3_Lasso [2021-10-28 23:34:12,640 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:34:12,640 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:34:12,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:34:12,896 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 23:34:12,898 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 23:34:12,901 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 23:34:12,903 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 23:34:12,905 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 23:34:12,907 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 23:34:12,910 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 23:34:12,912 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 23:34:12,915 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 23:34:12,918 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 23:34:12,921 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 23:34:12,924 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 23:34:12,926 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 23:34:12,929 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 23:34:13,319 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:34:13,319 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:34:13,319 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:13,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:34:13,323 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:34:13,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 23:34:13,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:34:13,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:34:13,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:34:13,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:34:13,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:34:13,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:34:13,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 23:34:13,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:34:13,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 23:34:13,399 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:13,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:34:13,400 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:34:13,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 23:34:13,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:34:13,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:34:13,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:34:13,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:34:13,419 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:34:13,419 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:34:13,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 23:34:13,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:34:13,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 23:34:13,474 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:13,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:34:13,475 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:34:13,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:34:13,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:34:13,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:34:13,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:34:13,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:34:13,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:34:13,494 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:34:13,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 23:34:13,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:34:13,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 23:34:13,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:13,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:34:13,548 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:34:13,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 23:34:13,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:34:13,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:34:13,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:34:13,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:34:13,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:34:13,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:34:13,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 23:34:13,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:34:13,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 23:34:13,619 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:13,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:34:13,620 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:34:13,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 23:34:13,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 23:34:13,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:34:13,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:34:13,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:34:13,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:34:13,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:34:13,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:34:13,694 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:34:13,714 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-28 23:34:13,714 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-28 23:34:13,715 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:34:13,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:34:13,716 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:34:13,723 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:34:13,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 23:34:13,748 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:34:13,749 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:34:13,749 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_2) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_2 + 255 Supporting invariants [] [2021-10-28 23:34:13,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 23:34:13,818 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-10-28 23:34:13,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:34:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:34:13,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:34:13,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:34:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:34:13,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:34:13,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:34:13,952 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 23:34:13,953 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 23:34:13,954 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:34:13,989 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 32 transitions. Complement of second has 9 states. [2021-10-28 23:34:13,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 23:34:13,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:34:13,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2021-10-28 23:34:13,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 5 letters. Loop has 5 letters. [2021-10-28 23:34:13,992 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:34:13,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 10 letters. Loop has 5 letters. [2021-10-28 23:34:13,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:34:13,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 5 letters. Loop has 10 letters. [2021-10-28 23:34:13,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:34:13,994 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 32 transitions. [2021-10-28 23:34:13,999 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 23:34:14,003 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 32 transitions. [2021-10-28 23:34:14,003 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-28 23:34:14,003 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-28 23:34:14,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 32 transitions. [2021-10-28 23:34:14,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:34:14,004 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2021-10-28 23:34:14,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 32 transitions. [2021-10-28 23:34:14,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-28 23:34:14,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:34:14,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2021-10-28 23:34:14,009 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2021-10-28 23:34:14,010 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2021-10-28 23:34:14,010 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 23:34:14,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 32 transitions. [2021-10-28 23:34:14,012 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 23:34:14,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:34:14,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:34:14,013 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1] [2021-10-28 23:34:14,013 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 23:34:14,014 INFO L791 eck$LassoCheckResult]: Stem: 305#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 306#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~nondet4, main_#t~mem6, main_#t~mem7, main_#t~post8, main_#t~mem9, main_#t~mem10, main_#t~mem5, main_~x~0.base, main_~x~0.offset, main_~debug~0.base, main_~debug~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~debug~0.base, main_~debug~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call write~int(main_#t~nondet4, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet4;call write~int(0, main_~debug~0.base, main_~debug~0.offset, 4); 315#L558-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4); 317#L552-1 assume !!(main_#t~mem5 < 255);havoc main_#t~mem5;call main_#t~mem6 := read~int(main_~x~0.base, main_~x~0.offset, 4); 321#L553 assume 0 != (if main_#t~mem6 < 0 && 0 != main_#t~mem6 % 2 then main_#t~mem6 % 2 - 2 else main_#t~mem6 % 2);havoc main_#t~mem6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post8 := main_#t~mem7;call write~int(main_#t~post8 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem7;havoc main_#t~post8; 318#L553-2 call main_#t~mem10 := read~int(main_~debug~0.base, main_~debug~0.offset, 4); 320#L558 assume !(0 != main_#t~mem10);havoc main_#t~mem10; 323#L558-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4); 316#L552-1 assume !!(main_#t~mem5 < 255);havoc main_#t~mem5;call main_#t~mem6 := read~int(main_~x~0.base, main_~x~0.offset, 4); 301#L553 assume 0 != (if main_#t~mem6 < 0 && 0 != main_#t~mem6 % 2 then main_#t~mem6 % 2 - 2 else main_#t~mem6 % 2);havoc main_#t~mem6;call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~post8 := main_#t~mem7;call write~int(main_#t~post8 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem7;havoc main_#t~post8; 302#L553-2 [2021-10-28 23:34:14,014 INFO L793 eck$LassoCheckResult]: Loop: 302#L553-2 call main_#t~mem10 := read~int(main_~debug~0.base, main_~debug~0.offset, 4); 311#L558 assume !(0 != main_#t~mem10);havoc main_#t~mem10; 312#L558-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4); 313#L552-1 assume !!(main_#t~mem5 < 255);havoc main_#t~mem5;call main_#t~mem6 := read~int(main_~x~0.base, main_~x~0.offset, 4); 322#L553 assume !(0 != (if main_#t~mem6 < 0 && 0 != main_#t~mem6 % 2 then main_#t~mem6 % 2 - 2 else main_#t~mem6 % 2));havoc main_#t~mem6;call main_#t~mem9 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(2 + main_#t~mem9, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem9; 302#L553-2 [2021-10-28 23:34:14,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:34:14,015 INFO L85 PathProgramCache]: Analyzing trace with hash 705693310, now seen corresponding path program 1 times [2021-10-28 23:34:14,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:34:14,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75369534] [2021-10-28 23:34:14,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:34:14,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:34:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:34:14,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:34:14,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:34:14,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75369534] [2021-10-28 23:34:14,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75369534] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:34:14,230 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:34:14,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:34:14,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562735360] [2021-10-28 23:34:14,230 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:34:14,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:34:14,231 INFO L85 PathProgramCache]: Analyzing trace with hash 46898150, now seen corresponding path program 3 times [2021-10-28 23:34:14,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:34:14,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965688283] [2021-10-28 23:34:14,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:34:14,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:34:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:34:14,259 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:34:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:34:14,267 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:34:14,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:34:14,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:34:14,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:34:14,376 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. cyclomatic complexity: 8 Second operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:34:14,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:34:14,445 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2021-10-28 23:34:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:34:14,445 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2021-10-28 23:34:14,446 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:34:14,446 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2021-10-28 23:34:14,447 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:34:14,447 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:34:14,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:34:14,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:34:14,447 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:34:14,447 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:34:14,447 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:34:14,447 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 23:34:14,447 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:34:14,448 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:34:14,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:34:14,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:34:14 BoogieIcfgContainer [2021-10-28 23:34:14,457 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:34:14,458 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:34:14,458 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:34:14,459 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:34:14,459 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:34:07" (3/4) ... [2021-10-28 23:34:14,462 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:34:14,462 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:34:14,464 INFO L168 Benchmark]: Toolchain (without parser) took 7592.72 ms. Allocated memory was 109.1 MB in the beginning and 161.5 MB in the end (delta: 52.4 MB). Free memory was 77.0 MB in the beginning and 96.8 MB in the end (delta: -19.8 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:34:14,465 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 109.1 MB. Free memory is still 65.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:34:14,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.89 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 77.0 MB in the beginning and 100.7 MB in the end (delta: -23.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:34:14,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.87 ms. Allocated memory is still 132.1 MB. Free memory was 100.7 MB in the beginning and 99.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:34:14,474 INFO L168 Benchmark]: Boogie Preprocessor took 58.89 ms. Allocated memory is still 132.1 MB. Free memory was 99.1 MB in the beginning and 98.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:34:14,475 INFO L168 Benchmark]: RCFGBuilder took 359.47 ms. Allocated memory is still 132.1 MB. Free memory was 98.0 MB in the beginning and 87.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:34:14,475 INFO L168 Benchmark]: BuchiAutomizer took 6540.16 ms. Allocated memory was 132.1 MB in the beginning and 161.5 MB in the end (delta: 29.4 MB). Free memory was 87.6 MB in the beginning and 96.8 MB in the end (delta: -9.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:34:14,477 INFO L168 Benchmark]: Witness Printer took 4.18 ms. Allocated memory is still 161.5 MB. Free memory is still 96.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:34:14,479 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 109.1 MB. Free memory is still 65.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 551.89 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 77.0 MB in the beginning and 100.7 MB in the end (delta: -23.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.87 ms. Allocated memory is still 132.1 MB. Free memory was 100.7 MB in the beginning and 99.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.89 ms. Allocated memory is still 132.1 MB. Free memory was 99.1 MB in the beginning and 98.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 359.47 ms. Allocated memory is still 132.1 MB. Free memory was 98.0 MB in the beginning and 87.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6540.16 ms. Allocated memory was 132.1 MB in the beginning and 161.5 MB in the end (delta: 29.4 MB). Free memory was 87.6 MB in the beginning and 96.8 MB in the end (delta: -9.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.18 ms. Allocated memory is still 161.5 MB. Free memory is still 96.8 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 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 255 + -1 * unknown-#memory_int-unknown[x][x] and consists of 5 locations. One deterministic module has affine ranking function 255 + -1 * unknown-#memory_int-unknown[x][x] and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.4s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 5.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 27 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 24 SDtfs, 19 SDslu, 23 SDs, 0 SdLazy, 80 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital242 mio100 ax107 hnf100 lsp89 ukn57 mio100 lsp38 div163 bol100 ite100 ukn100 eq161 hnf69 smp94 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:34:14,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 23:34:14,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6941bc-9e15-4140-a4cc-37b34fb7ee7a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...