./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.04-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.04-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y --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 9eb9364aba11d587c1c0c7aaba55178ecb567e9587bda48270a0861bd272aa34 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:25:31,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:25:31,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:25:31,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:25:31,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:25:31,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:25:31,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:25:31,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:25:31,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:25:31,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:25:31,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:25:31,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:25:31,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:25:31,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:25:31,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:25:31,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:25:31,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:25:31,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:25:31,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:25:31,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:25:31,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:25:31,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:25:31,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:25:31,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:25:31,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:25:31,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:25:31,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:25:31,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:25:31,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:25:31,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:25:31,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:25:31,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:25:31,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:25:31,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:25:31,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:25:31,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:25:31,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:25:31,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:25:31,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:25:31,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:25:31,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:25:31,574 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-13 18:25:31,603 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:25:31,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:25:31,604 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:25:31,605 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:25:31,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:25:31,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:25:31,606 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:25:31,607 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-13 18:25:31,607 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-13 18:25:31,607 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-13 18:25:31,608 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-13 18:25:31,608 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-13 18:25:31,608 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-13 18:25:31,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:25:31,609 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:25:31,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:25:31,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:25:31,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-13 18:25:31,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-13 18:25:31,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-13 18:25:31,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:25:31,611 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-13 18:25:31,612 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:25:31,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-13 18:25:31,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:25:31,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:25:31,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:25:31,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:25:31,614 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:25:31,615 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-13 18:25:31,615 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_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9eb9364aba11d587c1c0c7aaba55178ecb567e9587bda48270a0861bd272aa34 [2021-11-13 18:25:31,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:25:31,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:25:31,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:25:31,894 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:25:31,895 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:25:31,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/termination-memory-alloca/a.04-alloca.i [2021-11-13 18:25:31,992 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/data/4070f5a33/99ec9b17a20a4b289e0846040fa697b8/FLAG6842e9888 [2021-11-13 18:25:32,652 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:25:32,653 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/sv-benchmarks/c/termination-memory-alloca/a.04-alloca.i [2021-11-13 18:25:32,677 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/data/4070f5a33/99ec9b17a20a4b289e0846040fa697b8/FLAG6842e9888 [2021-11-13 18:25:32,968 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/data/4070f5a33/99ec9b17a20a4b289e0846040fa697b8 [2021-11-13 18:25:32,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:25:32,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:25:32,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:25:32,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:25:32,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:25:32,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:25:32" (1/1) ... [2021-11-13 18:25:32,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@552689c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:32, skipping insertion in model container [2021-11-13 18:25:32,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:25:32" (1/1) ... [2021-11-13 18:25:32,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:25:33,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:25:33,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:25:33,370 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:25:33,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:25:33,491 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:25:33,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:33 WrapperNode [2021-11-13 18:25:33,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:25:33,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:25:33,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:25:33,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:25:33,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:33" (1/1) ... [2021-11-13 18:25:33,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:33" (1/1) ... [2021-11-13 18:25:33,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:25:33,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:25:33,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:25:33,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:25:33,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:33" (1/1) ... [2021-11-13 18:25:33,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:33" (1/1) ... [2021-11-13 18:25:33,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:33" (1/1) ... [2021-11-13 18:25:33,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:33" (1/1) ... [2021-11-13 18:25:33,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:33" (1/1) ... [2021-11-13 18:25:33,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:33" (1/1) ... [2021-11-13 18:25:33,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:33" (1/1) ... [2021-11-13 18:25:33,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:25:33,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:25:33,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:25:33,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:25:33,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:33" (1/1) ... [2021-11-13 18:25:33,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:25:33,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:25:33,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:25:33,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-13 18:25:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:25:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:25:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:25:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:25:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:25:33,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:25:33,936 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:25:33,936 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 18:25:33,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:25:33 BoogieIcfgContainer [2021-11-13 18:25:33,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:25:33,939 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-13 18:25:33,939 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-13 18:25:33,942 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-13 18:25:33,943 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:25:33,943 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 06:25:32" (1/3) ... [2021-11-13 18:25:33,945 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69b78e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:25:33, skipping insertion in model container [2021-11-13 18:25:33,945 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:25:33,945 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:33" (2/3) ... [2021-11-13 18:25:33,946 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69b78e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:25:33, skipping insertion in model container [2021-11-13 18:25:33,946 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:25:33,946 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:25:33" (3/3) ... [2021-11-13 18:25:33,947 INFO L388 chiAutomizerObserver]: Analyzing ICFG a.04-alloca.i [2021-11-13 18:25:33,995 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-13 18:25:33,995 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-13 18:25:33,995 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-13 18:25:33,995 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-13 18:25:33,996 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-13 18:25:33,996 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-13 18:25:33,996 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-13 18:25:33,996 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-13 18:25:34,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 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) [2021-11-13 18:25:34,029 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-13 18:25:34,029 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:25:34,030 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:25:34,037 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-13 18:25:34,038 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 18:25:34,038 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-13 18:25:34,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 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) [2021-11-13 18:25:34,040 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-13 18:25:34,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:25:34,047 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:25:34,048 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-13 18:25:34,048 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 18:25:34,055 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_#t~nondet10#1, main_#t~ret11#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet9#1, main_#t~nondet10#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 6#L555-3true [2021-11-13 18:25:34,055 INFO L793 eck$LassoCheckResult]: Loop: 6#L555-3true call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 10#L555-1true assume !!(test_fun_#t~mem5#1 > test_fun_#t~mem6#1);havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem7#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem7#1; 6#L555-3true [2021-11-13 18:25:34,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:25:34,062 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-13 18:25:34,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:25:34,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152782301] [2021-11-13 18:25:34,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:25:34,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:25:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:25:34,250 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:25:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:25:34,351 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:25:34,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:25:34,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2021-11-13 18:25:34,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:25:34,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592630936] [2021-11-13 18:25:34,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:25:34,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:25:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:25:34,387 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:25:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:25:34,407 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:25:34,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:25:34,409 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-11-13 18:25:34,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:25:34,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944367553] [2021-11-13 18:25:34,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:25:34,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:25:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:25:34,475 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:25:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:25:34,552 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:25:35,628 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:25:35,629 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:25:35,629 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:25:35,629 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:25:35,629 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 18:25:35,629 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:25:35,630 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:25:35,630 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:25:35,630 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.04-alloca.i_Iteration1_Lasso [2021-11-13 18:25:35,630 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:25:35,631 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:25:35,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:25:36,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:25:36,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:25:36,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:25:36,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:25:36,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:25:36,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:25:36,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:25:36,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:25:36,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:25:36,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:25:36,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:25:36,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:25:36,746 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:25:36,750 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 18:25:36,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:25:36,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:25:36,754 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:25:36,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-13 18:25:36,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:25:36,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:25:36,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:25:36,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:25:36,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:25:36,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:25:36,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:25:36,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:25:36,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-13 18:25:36,852 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:25:36,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:25:36,854 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:25:36,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:25:36,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:25:36,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:25:36,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:25:36,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:25:36,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:25:36,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:25:36,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-13 18:25:36,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:25:36,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-13 18:25:36,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:25:36,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:25:36,927 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:25:36,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:25:36,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:25:36,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:25:36,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:25:36,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:25:36,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:25:36,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:25:36,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-13 18:25:36,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:25:37,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-13 18:25:37,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:25:37,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:25:37,002 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:25:37,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:25:37,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:25:37,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:25:37,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:25:37,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:25:37,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-13 18:25:37,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:25:37,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:25:37,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:25:37,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-13 18:25:37,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:25:37,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:25:37,071 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:25:37,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-13 18:25:37,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:25:37,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:25:37,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:25:37,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:25:37,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:25:37,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:25:37,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:25:37,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:25:37,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-13 18:25:37,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:25:37,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:25:37,136 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:25:37,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-13 18:25:37,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:25:37,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:25:37,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:25:37,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:25:37,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:25:37,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:25:37,163 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:25:37,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:25:37,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-13 18:25:37,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:25:37,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:25:37,219 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:25:37,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:25:37,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-13 18:25:37,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:25:37,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:25:37,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:25:37,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:25:37,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:25:37,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:25:37,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:25:37,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-13 18:25:37,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:25:37,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:25:37,304 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:25:37,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:25:37,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:25:37,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:25:37,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:25:37,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:25:37,330 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:25:37,330 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:25:37,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-13 18:25:37,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:25:37,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-13 18:25:37,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:25:37,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:25:37,381 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:25:37,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-13 18:25:37,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:25:37,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:25:37,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:25:37,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:25:37,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:25:37,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:25:37,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:25:37,431 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 18:25:37,463 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-11-13 18:25:37,463 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-11-13 18:25:37,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:25:37,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:25:37,477 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:25:37,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-13 18:25:37,492 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 18:25:37,529 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-13 18:25:37,529 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 18:25:37,530 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1 Supporting invariants [] [2021-11-13 18:25:37,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-13 18:25:37,692 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2021-11-13 18:25:37,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:25:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:25:37,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 18:25:37,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:25:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:25:37,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 18:25:37,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:25:37,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:25:37,855 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-13 18:25:37,856 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:25:37,908 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 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). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 21 states and 23 transitions. Complement of second has 7 states. [2021-11-13 18:25:37,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-13 18:25:37,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:25:37,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2021-11-13 18:25:37,919 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 2 letters. [2021-11-13 18:25:37,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:25:37,919 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-13 18:25:37,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:25:37,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 4 letters. [2021-11-13 18:25:37,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:25:37,921 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2021-11-13 18:25:37,926 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-13 18:25:37,930 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2021-11-13 18:25:37,959 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-13 18:25:37,959 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-13 18:25:37,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-13 18:25:37,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:25:37,960 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:25:37,960 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:25:37,960 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:25:37,961 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-13 18:25:37,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-13 18:25:37,981 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-13 18:25:37,981 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-13 18:25:37,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 06:25:37 BoogieIcfgContainer [2021-11-13 18:25:37,991 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-13 18:25:37,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:25:37,991 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:25:37,992 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:25:37,992 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:25:33" (3/4) ... [2021-11-13 18:25:37,995 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-13 18:25:37,995 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:25:37,997 INFO L158 Benchmark]: Toolchain (without parser) took 5019.99ms. Allocated memory was 115.3MB in the beginning and 157.3MB in the end (delta: 41.9MB). Free memory was 86.5MB in the beginning and 127.4MB in the end (delta: -40.9MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2021-11-13 18:25:37,997 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 115.3MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:25:37,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 510.99ms. Allocated memory is still 115.3MB. Free memory was 86.3MB in the beginning and 83.4MB in the end (delta: 2.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 18:25:37,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.74ms. Allocated memory is still 115.3MB. Free memory was 83.1MB in the beginning and 81.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:25:37,999 INFO L158 Benchmark]: Boogie Preprocessor took 25.67ms. Allocated memory is still 115.3MB. Free memory was 81.5MB in the beginning and 80.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:25:38,000 INFO L158 Benchmark]: RCFGBuilder took 372.04ms. Allocated memory is still 115.3MB. Free memory was 80.3MB in the beginning and 69.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 18:25:38,000 INFO L158 Benchmark]: BuchiAutomizer took 4051.64ms. Allocated memory was 115.3MB in the beginning and 157.3MB in the end (delta: 41.9MB). Free memory was 69.4MB in the beginning and 127.4MB in the end (delta: -58.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:25:38,001 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 157.3MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:25:38,004 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2021-11-13 18:25:38,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 115.3MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 510.99ms. Allocated memory is still 115.3MB. Free memory was 86.3MB in the beginning and 83.4MB in the end (delta: 2.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.74ms. Allocated memory is still 115.3MB. Free memory was 83.1MB in the beginning and 81.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.67ms. Allocated memory is still 115.3MB. Free memory was 81.5MB in the beginning and 80.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 372.04ms. Allocated memory is still 115.3MB. Free memory was 80.3MB in the beginning and 69.6MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4051.64ms. Allocated memory was 115.3MB in the beginning and 157.3MB in the end (delta: 41.9MB). Free memory was 69.4MB in the beginning and 127.4MB in the end (delta: -58.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 157.3MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] + -1 * unknown-#memory_int-unknown[y_ref][y_ref] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 15.47ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 12.83ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 5 mSDtfsCounter, 9 mSolverCounterSat, 0.84ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital243 mio100 ax107 hnf100 lsp90 ukn66 mio100 lsp37 div100 bol100 ite100 ukn100 eq181 hnf88 smp96 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 64ms VariablesStem: 9 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-13 18:25:38,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ee9d9a-c3b0-42e3-a12f-468710e88689/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE