./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/WhilePart.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/WhilePart.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be --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 615cc94dba3abc367f303da703fd664b36c304d01707dbbe6611a7311b8842d6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:10:38,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:10:38,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:10:38,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:10:38,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:10:38,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:10:38,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:10:38,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:10:38,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:10:38,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:10:38,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:10:38,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:10:38,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:10:38,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:10:38,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:10:38,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:10:38,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:10:38,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:10:38,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:10:38,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:10:38,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:10:38,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:10:38,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:10:38,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:10:38,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:10:38,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:10:38,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:10:38,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:10:38,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:10:38,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:10:38,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:10:38,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:10:38,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:10:38,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:10:38,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:10:38,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:10:38,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:10:38,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:10:38,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:10:38,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:10:38,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:10:38,973 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 19:10:39,015 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:10:39,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:10:39,023 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:10:39,023 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:10:39,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:10:39,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:10:39,025 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:10:39,025 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:10:39,025 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:10:39,025 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:10:39,026 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:10:39,026 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:10:39,026 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:10:39,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:10:39,027 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:10:39,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:10:39,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:10:39,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:10:39,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:10:39,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:10:39,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:10:39,028 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:10:39,028 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:10:39,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:10:39,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:10:39,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:10:39,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:10:39,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:10:39,031 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:10:39,032 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:10:39,032 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_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 615cc94dba3abc367f303da703fd664b36c304d01707dbbe6611a7311b8842d6 [2021-10-21 19:10:39,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:10:39,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:10:39,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:10:39,316 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:10:39,317 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:10:39,318 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-restricted-15/WhilePart.c [2021-10-21 19:10:39,385 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/data/ff72fee30/04ae0376b66f4dddb50468f9747e038e/FLAGc37a4fb79 [2021-10-21 19:10:39,824 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:10:39,824 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/sv-benchmarks/c/termination-restricted-15/WhilePart.c [2021-10-21 19:10:39,837 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/data/ff72fee30/04ae0376b66f4dddb50468f9747e038e/FLAGc37a4fb79 [2021-10-21 19:10:40,215 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/data/ff72fee30/04ae0376b66f4dddb50468f9747e038e [2021-10-21 19:10:40,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:10:40,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:10:40,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:10:40,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:10:40,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:10:40,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:10:40" (1/1) ... [2021-10-21 19:10:40,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e2a2dac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:10:40, skipping insertion in model container [2021-10-21 19:10:40,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:10:40" (1/1) ... [2021-10-21 19:10:40,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:10:40,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:10:40,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:10:40,422 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:10:40,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:10:40,449 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:10:40,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:10:40 WrapperNode [2021-10-21 19:10:40,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:10:40,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:10:40,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:10:40,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:10:40,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:10:40" (1/1) ... [2021-10-21 19:10:40,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:10:40" (1/1) ... [2021-10-21 19:10:40,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:10:40,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:10:40,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:10:40,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:10:40,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:10:40" (1/1) ... [2021-10-21 19:10:40,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:10:40" (1/1) ... [2021-10-21 19:10:40,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:10:40" (1/1) ... [2021-10-21 19:10:40,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:10:40" (1/1) ... [2021-10-21 19:10:40,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:10:40" (1/1) ... [2021-10-21 19:10:40,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:10:40" (1/1) ... [2021-10-21 19:10:40,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:10:40" (1/1) ... [2021-10-21 19:10:40,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:10:40,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:10:40,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:10:40,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:10:40,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:10:40" (1/1) ... [2021-10-21 19:10:40,508 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:10:40,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:10:40,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:10:40,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:10:40,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:10:40,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:10:40,725 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:10:40,725 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-21 19:10:40,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:10:40 BoogieIcfgContainer [2021-10-21 19:10:40,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:10:40,728 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:10:40,728 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:10:40,731 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:10:40,732 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:10:40,732 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:10:40" (1/3) ... [2021-10-21 19:10:40,734 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34c7f7fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:10:40, skipping insertion in model container [2021-10-21 19:10:40,735 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:10:40,735 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:10:40" (2/3) ... [2021-10-21 19:10:40,736 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34c7f7fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:10:40, skipping insertion in model container [2021-10-21 19:10:40,736 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:10:40,736 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:10:40" (3/3) ... [2021-10-21 19:10:40,738 INFO L389 chiAutomizerObserver]: Analyzing ICFG WhilePart.c [2021-10-21 19:10:40,808 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:10:40,810 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:10:40,810 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:10:40,810 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:10:40,811 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:10:40,811 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:10:40,811 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:10:40,811 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:10:40,829 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:10:40,849 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 19:10:40,849 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:10:40,849 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:10:40,857 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-21 19:10:40,857 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:10:40,857 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:10:40,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:10:40,859 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 19:10:40,859 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:10:40,859 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:10:40,859 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-21 19:10:40,860 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:10:40,866 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 4#L10-2true [2021-10-21 19:10:40,866 INFO L793 eck$LassoCheckResult]: Loop: 4#L10-2true assume !!(main_~i~0 > 5); 6#L10true assume main_~i~0 < 10;main_~i~0 := main_~i~0 - 1; 4#L10-2true [2021-10-21 19:10:40,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:10:40,877 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-21 19:10:40,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:10:40,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297613263] [2021-10-21 19:10:40,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:10:40,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:10:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:10:40,964 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:10:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:10:40,992 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:10:40,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:10:40,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2021-10-21 19:10:40,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:10:40,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773127871] [2021-10-21 19:10:40,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:10:40,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:10:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:10:41,021 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:10:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:10:41,032 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:10:41,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:10:41,035 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2021-10-21 19:10:41,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:10:41,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875133785] [2021-10-21 19:10:41,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:10:41,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:10:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:10:41,057 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:10:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:10:41,068 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:10:41,188 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:10:41,204 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:10:41,205 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:10:41,205 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:10:41,205 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:10:41,205 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:10:41,205 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:10:41,206 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:10:41,206 INFO L133 ssoRankerPreferences]: Filename of dumped script: WhilePart.c_Iteration1_Loop [2021-10-21 19:10:41,206 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:10:41,206 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:10:41,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:10:41,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:10:41,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:10:41,333 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:10:41,334 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:10:41,336 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:10:41,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:10:41,338 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:10:41,343 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:10:41,343 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:10:41,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:10:41,366 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:10:41,366 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: [] [2021-10-21 19:10:41,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:10:41,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:10:41,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:10:41,417 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:10:41,423 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:10:41,424 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:10:41,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:10:41,452 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:10:41,453 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: [] [2021-10-21 19:10:41,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:10:41,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:10:41,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:10:41,496 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:10:41,503 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:10:41,503 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:10:41,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:10:41,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:10:41,562 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:10:41,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:10:41,564 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:10:41,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:10:41,572 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:10:41,574 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:10:41,588 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:10:41,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-21 19:10:41,623 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:10:41,624 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:10:41,624 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:10:41,624 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:10:41,624 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:10:41,624 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:10:41,624 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:10:41,624 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:10:41,625 INFO L133 ssoRankerPreferences]: Filename of dumped script: WhilePart.c_Iteration1_Loop [2021-10-21 19:10:41,625 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:10:41,625 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:10:41,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:10:41,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:10:41,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:10:41,714 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:10:41,719 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:10:41,720 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:10:41,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:10:41,735 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:10:41,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:10:41,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:10:41,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:10:41,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:10:41,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:10:41,769 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:10:41,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:10:41,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:10:41,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:10:41,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:10:41,814 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:10:41,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:10:41,815 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:10:41,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:10:41,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:10:41,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:10:41,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:10:41,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:10:41,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:10:41,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:10:41,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:10:41,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:10:41,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:10:41,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:10:41,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:10:41,879 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:10:41,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:10:41,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:10:41,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:10:41,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:10:41,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:10:41,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:10:41,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:10:41,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:10:41,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:10:41,920 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:10:41,923 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-21 19:10:41,923 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 19:10:41,925 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:10:41,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:10:41,928 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:10:41,954 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:10:41,954 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 19:10:41,954 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:10:41,955 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-10-21 19:10:41,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:10:41,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:10:41,995 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 19:10:42,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:10:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:42,074 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:10:42,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:10:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:10:42,093 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:10:42,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:10:42,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:10:42,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:10:42,161 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:10:42,163 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:10:42,215 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 28 transitions. Complement of second has 7 states. [2021-10-21 19:10:42,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 19:10:42,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:10:42,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2021-10-21 19:10:42,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-21 19:10:42,222 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:10:42,222 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-21 19:10:42,222 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:10:42,223 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 1 letters. Loop has 4 letters. [2021-10-21 19:10:42,223 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:10:42,224 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 28 transitions. [2021-10-21 19:10:42,231 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 19:10:42,236 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 8 states and 11 transitions. [2021-10-21 19:10:42,237 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-10-21 19:10:42,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2021-10-21 19:10:42,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2021-10-21 19:10:42,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:10:42,239 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2021-10-21 19:10:42,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2021-10-21 19:10:42,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2021-10-21 19:10:42,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:10:42,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2021-10-21 19:10:42,262 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-21 19:10:42,262 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-21 19:10:42,262 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:10:42,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2021-10-21 19:10:42,263 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 19:10:42,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:10:42,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:10:42,263 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-21 19:10:42,263 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:10:42,264 INFO L791 eck$LassoCheckResult]: Stem: 67#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 68#L10-2 assume !!(main_~i~0 > 5); 64#L10 [2021-10-21 19:10:42,264 INFO L793 eck$LassoCheckResult]: Loop: 64#L10 assume !(main_~i~0 < 10); 63#L10-2 assume !!(main_~i~0 > 5); 64#L10 [2021-10-21 19:10:42,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:10:42,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-21 19:10:42,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:10:42,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922249811] [2021-10-21 19:10:42,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:10:42,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:10:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:10:42,270 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:10:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:10:42,273 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:10:42,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:10:42,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 1 times [2021-10-21 19:10:42,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:10:42,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887635482] [2021-10-21 19:10:42,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:10:42,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:10:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:10:42,280 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:10:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:10:42,283 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:10:42,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:10:42,284 INFO L82 PathProgramCache]: Analyzing trace with hash 963397, now seen corresponding path program 1 times [2021-10-21 19:10:42,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:10:42,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667371777] [2021-10-21 19:10:42,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:10:42,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:10:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:10:42,289 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:10:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:10:42,293 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:10:42,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:10:42 BoogieIcfgContainer [2021-10-21 19:10:42,338 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:10:42,339 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:10:42,339 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:10:42,339 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:10:42,340 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:10:40" (3/4) ... [2021-10-21 19:10:42,342 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-21 19:10:42,373 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:10:42,373 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:10:42,374 INFO L168 Benchmark]: Toolchain (without parser) took 2154.46 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 55.4 MB in the beginning and 86.0 MB in the end (delta: -30.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:10:42,375 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory is still 71.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:10:42,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.30 ms. Allocated memory is still 96.5 MB. Free memory was 55.2 MB in the beginning and 73.9 MB in the end (delta: -18.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:10:42,376 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.31 ms. Allocated memory is still 96.5 MB. Free memory was 73.9 MB in the beginning and 72.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:10:42,377 INFO L168 Benchmark]: Boogie Preprocessor took 16.73 ms. Allocated memory is still 96.5 MB. Free memory was 72.7 MB in the beginning and 71.8 MB in the end (delta: 898.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:10:42,377 INFO L168 Benchmark]: RCFGBuilder took 230.04 ms. Allocated memory is still 96.5 MB. Free memory was 71.8 MB in the beginning and 64.0 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:10:42,378 INFO L168 Benchmark]: BuchiAutomizer took 1610.11 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 64.0 MB in the beginning and 87.3 MB in the end (delta: -23.4 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:10:42,378 INFO L168 Benchmark]: Witness Printer took 34.18 ms. Allocated memory is still 121.6 MB. Free memory was 87.3 MB in the beginning and 86.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:10:42,382 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory is still 71.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 229.30 ms. Allocated memory is still 96.5 MB. Free memory was 55.2 MB in the beginning and 73.9 MB in the end (delta: -18.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 28.31 ms. Allocated memory is still 96.5 MB. Free memory was 73.9 MB in the beginning and 72.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 16.73 ms. Allocated memory is still 96.5 MB. Free memory was 72.7 MB in the beginning and 71.8 MB in the end (delta: 898.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 230.04 ms. Allocated memory is still 96.5 MB. Free memory was 71.8 MB in the beginning and 64.0 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1610.11 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 64.0 MB in the beginning and 87.3 MB in the end (delta: -23.4 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. * Witness Printer took 34.18 ms. Allocated memory is still 121.6 MB. Free memory was 87.3 MB in the beginning and 86.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function i and consists of 5 locations. The remainder module has 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 8.1ms AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 7 SDslu, 6 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.4ms Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax192 hnf100 lsp51 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie120 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 61ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 10]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e9d3273=0, \result=0, i=10} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 10]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = __VERIFIER_nondet_int() [L9] COND TRUE i > 5 Loop: [L10] COND FALSE !(i < 10) [L9] COND TRUE i > 5 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-21 19:10:42,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b72f8c78-f410-4eab-ba36-5d2f65c16611/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...