./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/aaron2-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/aaron2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc --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 246d09347c3a084eeabbdf966240b074edac2f7f1a00862cb8995171f6755d56 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:36:36,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:36:36,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:36:36,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:36:36,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:36:37,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:36:37,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:36:37,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:36:37,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:36:37,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:36:37,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:36:37,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:36:37,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:36:37,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:36:37,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:36:37,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:36:37,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:36:37,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:36:37,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:36:37,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:36:37,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:36:37,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:36:37,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:36:37,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:36:37,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:36:37,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:36:37,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:36:37,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:36:37,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:36:37,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:36:37,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:36:37,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:36:37,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:36:37,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:36:37,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:36:37,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:36:37,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:36:37,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:36:37,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:36:37,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:36:37,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:36:37,054 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:36:37,083 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:36:37,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:36:37,084 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:36:37,084 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:36:37,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:36:37,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:36:37,086 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:36:37,087 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:36:37,087 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:36:37,087 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:36:37,088 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:36:37,088 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:36:37,088 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:36:37,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:36:37,089 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:36:37,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:36:37,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:36:37,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:36:37,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:36:37,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:36:37,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:36:37,092 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:36:37,092 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:36:37,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:36:37,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:36:37,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:36:37,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:36:37,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:36:37,095 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:36:37,096 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_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 246d09347c3a084eeabbdf966240b074edac2f7f1a00862cb8995171f6755d56 [2022-11-02 20:36:37,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:36:37,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:36:37,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:36:37,478 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:36:37,481 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:36:37,483 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-crafted/aaron2-1.c [2022-11-02 20:36:37,594 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/data/0f87fef07/68bd24366a5c49949590d6f5ee036803/FLAG6799b95cc [2022-11-02 20:36:38,236 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:36:38,238 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/sv-benchmarks/c/termination-crafted/aaron2-1.c [2022-11-02 20:36:38,247 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/data/0f87fef07/68bd24366a5c49949590d6f5ee036803/FLAG6799b95cc [2022-11-02 20:36:38,585 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/data/0f87fef07/68bd24366a5c49949590d6f5ee036803 [2022-11-02 20:36:38,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:36:38,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:36:38,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:36:38,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:36:38,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:36:38,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:36:38" (1/1) ... [2022-11-02 20:36:38,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e74c468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:38, skipping insertion in model container [2022-11-02 20:36:38,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:36:38" (1/1) ... [2022-11-02 20:36:38,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:36:38,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:36:38,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:36:38,893 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:36:38,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:36:38,927 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:36:38,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:38 WrapperNode [2022-11-02 20:36:38,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:36:38,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:36:38,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:36:38,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:36:38,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:38" (1/1) ... [2022-11-02 20:36:38,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:38" (1/1) ... [2022-11-02 20:36:38,975 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2022-11-02 20:36:38,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:36:38,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:36:38,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:36:38,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:36:38,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:38" (1/1) ... [2022-11-02 20:36:38,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:38" (1/1) ... [2022-11-02 20:36:38,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:38" (1/1) ... [2022-11-02 20:36:38,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:38" (1/1) ... [2022-11-02 20:36:38,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:38" (1/1) ... [2022-11-02 20:36:38,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:38" (1/1) ... [2022-11-02 20:36:38,998 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:38" (1/1) ... [2022-11-02 20:36:38,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:38" (1/1) ... [2022-11-02 20:36:39,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:36:39,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:36:39,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:36:39,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:36:39,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:38" (1/1) ... [2022-11-02 20:36:39,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:39,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:39,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:39,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:36:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:36:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:36:39,185 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:36:39,189 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:36:39,345 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:36:39,354 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:36:39,354 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:36:39,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:36:39 BoogieIcfgContainer [2022-11-02 20:36:39,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:36:39,360 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:36:39,360 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:36:39,365 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:36:39,366 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:36:39,367 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:36:38" (1/3) ... [2022-11-02 20:36:39,368 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@153feab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:36:39, skipping insertion in model container [2022-11-02 20:36:39,369 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:36:39,369 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:38" (2/3) ... [2022-11-02 20:36:39,370 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@153feab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:36:39, skipping insertion in model container [2022-11-02 20:36:39,370 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:36:39,371 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:36:39" (3/3) ... [2022-11-02 20:36:39,372 INFO L332 chiAutomizerObserver]: Analyzing ICFG aaron2-1.c [2022-11-02 20:36:39,491 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:36:39,491 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:36:39,491 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:36:39,491 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:36:39,492 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:36:39,492 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:36:39,492 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:36:39,492 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:36:39,497 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:36:39,533 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:36:39,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:36:39,533 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:36:39,540 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-02 20:36:39,540 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:36:39,540 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:36:39,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:36:39,543 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:36:39,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:36:39,544 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:36:39,545 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-02 20:36:39,545 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:36:39,556 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_~x~0#1, main_~y~0#1, main_~tx~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~tx~0#1;main_~tx~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 7#L21true assume !!(main_~tx~0#1 <= 1073741823); 3#L22true assume !!(main_~x~0#1 <= 1073741823); 9#L23true assume !!(main_~y~0#1 >= -1073741823); 4#L25-2true [2022-11-02 20:36:39,556 INFO L750 eck$LassoCheckResult]: Loop: 4#L25-2true assume !!(main_~x~0#1 >= main_~y~0#1 && main_~tx~0#1 >= 0); 8#L25true assume 0 != main_#t~nondet3#1;havoc main_#t~nondet3#1;main_~x~0#1 := main_~x~0#1 - 1 - main_~tx~0#1; 4#L25-2true [2022-11-02 20:36:39,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:39,564 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2022-11-02 20:36:39,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:39,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983049901] [2022-11-02 20:36:39,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:39,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:39,708 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:36:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:39,753 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:36:39,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:39,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1796, now seen corresponding path program 1 times [2022-11-02 20:36:39,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:39,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864972443] [2022-11-02 20:36:39,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:39,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:39,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:36:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:39,797 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:36:39,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:39,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907948, now seen corresponding path program 1 times [2022-11-02 20:36:39,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:39,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495054457] [2022-11-02 20:36:39,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:39,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:39,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:36:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:39,820 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:36:39,951 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:36:39,951 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:36:39,952 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:36:39,952 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:36:39,952 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:36:39,952 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:39,952 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:36:39,953 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:36:39,953 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron2-1.c_Iteration1_Loop [2022-11-02 20:36:39,953 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:36:39,953 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:36:39,992 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:36:40,033 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:36:40,042 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:36:40,056 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:36:40,176 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:36:40,177 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:36:40,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:40,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:40,183 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:40,193 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:36:40,193 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:36:40,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:36:40,231 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:36:40,231 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:36:40,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:40,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:40,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:40,283 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:40,292 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:36:40,292 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:36:40,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:36:40,327 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:36:40,327 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:36:40,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:40,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:40,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:40,376 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:40,385 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:36:40,385 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:36:40,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:36:40,419 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:36:40,419 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3#1=4} Honda state: {ULTIMATE.start_main_#t~nondet3#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:36:40,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:40,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:40,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:40,469 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:40,473 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:36:40,473 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:36:40,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:36:40,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:40,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:40,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:40,557 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:40,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:36:40,569 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:36:40,569 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:36:41,178 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:36:41,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:41,183 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:36:41,183 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:36:41,183 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:36:41,183 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:36:41,183 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:36:41,184 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:41,184 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:36:41,184 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:36:41,184 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron2-1.c_Iteration1_Loop [2022-11-02 20:36:41,184 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:36:41,184 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:36:41,187 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:36:41,194 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:36:41,206 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:36:41,229 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:36:41,374 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:36:41,381 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:36:41,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:41,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:41,387 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:41,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:36:41,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:36:41,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:36:41,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:36:41,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:36:41,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:36:41,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:36:41,424 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:36:41,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:36:41,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:41,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:41,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:41,476 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:41,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:36:41,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:36:41,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:36:41,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:36:41,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:36:41,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:36:41,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:36:41,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:36:41,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:36:41,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:41,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:41,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:41,589 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:41,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 20:36:41,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:36:41,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:36:41,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:36:41,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:36:41,617 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-02 20:36:41,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:36:41,619 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 20:36:41,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:36:41,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:36:41,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:41,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:41,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:41,677 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:41,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 20:36:41,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:36:41,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:36:41,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:36:41,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:36:41,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:36:41,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:36:41,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:36:41,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:36:41,713 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:36:41,718 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-02 20:36:41,718 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-02 20:36:41,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:41,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:41,726 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:41,728 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:36:41,728 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-02 20:36:41,729 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:36:41,729 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = 2*ULTIMATE.start_main_~x~0#1 - 2*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [] [2022-11-02 20:36:41,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-02 20:36:41,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:41,786 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-02 20:36:41,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:41,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:36:41,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:36:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:41,890 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:36:41,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:36:41,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:36:41,987 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-02 20:36:41,989 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:36:42,080 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 31 transitions. Complement of second has 7 states. [2022-11-02 20:36:42,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-02 20:36:42,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:36:42,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2022-11-02 20:36:42,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-02 20:36:42,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:36:42,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-02 20:36:42,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:36:42,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-02 20:36:42,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:36:42,106 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2022-11-02 20:36:42,109 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:36:42,129 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2022-11-02 20:36:42,130 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 20:36:42,130 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 20:36:42,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 20:36:42,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:36:42,131 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:36:42,131 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:36:42,132 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:36:42,132 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:36:42,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:36:42,132 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:36:42,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 20:36:42,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:36:42 BoogieIcfgContainer [2022-11-02 20:36:42,154 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:36:42,155 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:36:42,155 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:36:42,155 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:36:42,156 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:36:39" (3/4) ... [2022-11-02 20:36:42,159 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:36:42,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:36:42,161 INFO L158 Benchmark]: Toolchain (without parser) took 3569.15ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 74.8MB in the beginning and 99.9MB in the end (delta: -25.0MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2022-11-02 20:36:42,161 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 77.6MB. Free memory is still 33.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:36:42,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.44ms. Allocated memory is still 109.1MB. Free memory was 74.5MB in the beginning and 84.6MB in the end (delta: -10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:36:42,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.81ms. Allocated memory is still 109.1MB. Free memory was 84.6MB in the beginning and 83.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:36:42,163 INFO L158 Benchmark]: Boogie Preprocessor took 23.07ms. Allocated memory is still 109.1MB. Free memory was 83.6MB in the beginning and 82.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:36:42,164 INFO L158 Benchmark]: RCFGBuilder took 355.03ms. Allocated memory is still 109.1MB. Free memory was 82.1MB in the beginning and 73.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:36:42,165 INFO L158 Benchmark]: BuchiAutomizer took 2794.22ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 73.3MB in the beginning and 100.7MB in the end (delta: -27.4MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2022-11-02 20:36:42,182 INFO L158 Benchmark]: Witness Printer took 4.81ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 99.9MB in the end (delta: 820.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:36:42,187 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 77.6MB. Free memory is still 33.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.44ms. Allocated memory is still 109.1MB. Free memory was 74.5MB in the beginning and 84.6MB in the end (delta: -10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.81ms. Allocated memory is still 109.1MB. Free memory was 84.6MB in the beginning and 83.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.07ms. Allocated memory is still 109.1MB. Free memory was 83.6MB in the beginning and 82.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 355.03ms. Allocated memory is still 109.1MB. Free memory was 82.1MB in the beginning and 73.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2794.22ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 73.3MB in the beginning and 100.7MB in the end (delta: -27.4MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Witness Printer took 4.81ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 99.9MB in the end (delta: 820.0kB). 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 2 * x + -2 * y + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 13 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp46 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf95 smp100 dnf100 smp100 tf110 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 65ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-02 20:36:42,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:42,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3335f04c-8b5c-43e9-8aee-ecd70039c1cb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE