./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fde3d54a6d21dc7fcdb8b6dec7e47021d215ebe0 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:32:16,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:32:16,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:32:16,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:32:16,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:32:16,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:32:16,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:32:16,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:32:16,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:32:16,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:32:16,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:32:16,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:32:16,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:32:16,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:32:16,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:32:16,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:32:16,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:32:16,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:32:16,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:32:16,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:32:16,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:32:16,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:32:16,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:32:16,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:32:16,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:32:16,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:32:16,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:32:16,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:32:16,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:32:16,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:32:16,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:32:16,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:32:16,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:32:16,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:32:16,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:32:16,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:32:16,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:32:16,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:32:16,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:32:16,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:32:16,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:32:16,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-11 00:32:16,409 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:32:16,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:32:16,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:32:16,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:32:16,412 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:32:16,413 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:32:16,413 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:32:16,413 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:32:16,413 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:32:16,413 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:32:16,415 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:32:16,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:32:16,415 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:32:16,416 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:32:16,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:32:16,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:32:16,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:32:16,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:32:16,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:32:16,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:32:16,417 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:32:16,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:32:16,417 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:32:16,418 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:32:16,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:32:16,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:32:16,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:32:16,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:32:16,419 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:32:16,421 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:32:16,422 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:32:16,422 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_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fde3d54a6d21dc7fcdb8b6dec7e47021d215ebe0 [2021-10-11 00:32:16,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:32:16,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:32:16,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:32:16,753 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:32:16,754 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:32:16,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i [2021-10-11 00:32:16,832 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/data/87dc4057c/c04b035e896b4742b3245c8f53c8cec3/FLAG0c219f6a3 [2021-10-11 00:32:17,293 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:32:17,294 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i [2021-10-11 00:32:17,300 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/data/87dc4057c/c04b035e896b4742b3245c8f53c8cec3/FLAG0c219f6a3 [2021-10-11 00:32:17,695 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/data/87dc4057c/c04b035e896b4742b3245c8f53c8cec3 [2021-10-11 00:32:17,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:32:17,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:32:17,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:17,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:32:17,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:32:17,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:17" (1/1) ... [2021-10-11 00:32:17,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba91ddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:17, skipping insertion in model container [2021-10-11 00:32:17,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:17" (1/1) ... [2021-10-11 00:32:17,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:32:17,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:32:17,902 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i[821,834] [2021-10-11 00:32:17,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:17,924 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:32:17,937 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i[821,834] [2021-10-11 00:32:17,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:17,960 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:32:17,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:17 WrapperNode [2021-10-11 00:32:17,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:17,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:17,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:32:17,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:32:17,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:17" (1/1) ... [2021-10-11 00:32:17,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:17" (1/1) ... [2021-10-11 00:32:18,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:18,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:32:18,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:32:18,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:32:18,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:17" (1/1) ... [2021-10-11 00:32:18,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:17" (1/1) ... [2021-10-11 00:32:18,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:17" (1/1) ... [2021-10-11 00:32:18,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:17" (1/1) ... [2021-10-11 00:32:18,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:17" (1/1) ... [2021-10-11 00:32:18,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:17" (1/1) ... [2021-10-11 00:32:18,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:17" (1/1) ... [2021-10-11 00:32:18,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:32:18,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:32:18,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:32:18,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:32:18,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:17" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:18,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:32:18,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:32:18,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 00:32:18,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:32:18,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:32:18,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 00:32:18,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:32:18,411 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:32:18,411 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-11 00:32:18,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:18 BoogieIcfgContainer [2021-10-11 00:32:18,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:32:18,414 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:32:18,415 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:32:18,418 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:32:18,419 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:32:18,431 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:32:17" (1/3) ... [2021-10-11 00:32:18,432 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ee1dee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:32:18, skipping insertion in model container [2021-10-11 00:32:18,432 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:32:18,433 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:17" (2/3) ... [2021-10-11 00:32:18,433 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ee1dee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:32:18, skipping insertion in model container [2021-10-11 00:32:18,433 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:32:18,433 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:18" (3/3) ... [2021-10-11 00:32:18,435 INFO L389 chiAutomizerObserver]: Analyzing ICFG array_ptr_single_elem_init-2.i [2021-10-11 00:32:18,505 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:32:18,505 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:32:18,505 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:32:18,506 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:32:18,506 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:32:18,506 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:32:18,506 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:32:18,506 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:32:18,536 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2021-10-11 00:32:18,579 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-11 00:32:18,583 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:32:18,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:32:18,589 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-11 00:32:18,589 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-11 00:32:18,590 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:32:18,590 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2021-10-11 00:32:18,594 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-11 00:32:18,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:32:18,595 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:32:18,595 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-11 00:32:18,596 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-11 00:32:18,603 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(31); 11#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~mem5, main_#t~mem6, main_#t~post3, main_~q~0, main_#t~mem8, main_#t~post7, main_~i~0, main_~#a~0.base, main_~#a~0.offset, main_~#b~0.base, main_~#b~0.offset, main_~c~0;havoc main_~i~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(400000);call main_~#b~0.base, main_~#b~0.offset := #Ultimate.allocOnStack(400000);havoc main_~c~0;main_~i~0 := 0; 5#L21-3true [2021-10-11 00:32:18,605 INFO L796 eck$LassoCheckResult]: Loop: 5#L21-3true assume !!(main_~i~0 < 100000);main_~q~0 := main_#t~nondet4;havoc main_#t~nondet4;call write~int(0, main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4); 21#L25true assume 0 == main_~q~0;call write~int(1, main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4);call write~int((if main_~i~0 < 0 && 0 != main_~i~0 % 2 then main_~i~0 % 2 - 2 else main_~i~0 % 2), main_~#b~0.base, main_~#b~0.offset + 4 * main_~i~0, 4); 16#L25-2true call main_#t~mem5 := read~int(main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4); 9#L30true assume !(0 != main_#t~mem5);havoc main_#t~mem5; 8#L21-2true main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5#L21-3true [2021-10-11 00:32:18,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:18,619 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-11 00:32:18,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:18,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758549429] [2021-10-11 00:32:18,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:18,781 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:18,830 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:18,855 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:32:18,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:18,860 INFO L82 PathProgramCache]: Analyzing trace with hash 38268879, now seen corresponding path program 1 times [2021-10-11 00:32:18,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:18,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623762250] [2021-10-11 00:32:18,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:18,940 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:19,011 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:19,021 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:32:19,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:19,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1809708365, now seen corresponding path program 1 times [2021-10-11 00:32:19,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:19,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291564231] [2021-10-11 00:32:19,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:19,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:19,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291564231] [2021-10-11 00:32:19,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:19,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:32:19,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516796749] [2021-10-11 00:32:19,353 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 59 [2021-10-11 00:32:19,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:19,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:32:19,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:19,517 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 5 states. [2021-10-11 00:32:19,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:19,627 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2021-10-11 00:32:19,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:32:19,629 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 29 transitions. [2021-10-11 00:32:19,634 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2021-10-11 00:32:19,639 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 18 states and 24 transitions. [2021-10-11 00:32:19,640 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-10-11 00:32:19,641 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-11 00:32:19,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2021-10-11 00:32:19,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:32:19,642 INFO L692 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-10-11 00:32:19,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2021-10-11 00:32:19,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2021-10-11 00:32:19,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-10-11 00:32:19,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2021-10-11 00:32:19,672 INFO L715 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-10-11 00:32:19,673 INFO L595 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-10-11 00:32:19,673 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-11 00:32:19,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2021-10-11 00:32:19,676 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-10-11 00:32:19,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:32:19,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:32:19,678 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-11 00:32:19,678 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-11 00:32:19,678 INFO L794 eck$LassoCheckResult]: Stem: 70#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(31); 68#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~mem5, main_#t~mem6, main_#t~post3, main_~q~0, main_#t~mem8, main_#t~post7, main_~i~0, main_~#a~0.base, main_~#a~0.offset, main_~#b~0.base, main_~#b~0.offset, main_~c~0;havoc main_~i~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(400000);call main_~#b~0.base, main_~#b~0.offset := #Ultimate.allocOnStack(400000);havoc main_~c~0;main_~i~0 := 0; 61#L21-3 [2021-10-11 00:32:19,678 INFO L796 eck$LassoCheckResult]: Loop: 61#L21-3 assume !!(main_~i~0 < 100000);main_~q~0 := main_#t~nondet4;havoc main_#t~nondet4;call write~int(0, main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4); 62#L25 assume !(0 == main_~q~0); 71#L25-2 call main_#t~mem5 := read~int(main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4); 72#L30 assume !(0 != main_#t~mem5);havoc main_#t~mem5; 64#L21-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 61#L21-3 [2021-10-11 00:32:19,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:19,681 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-10-11 00:32:19,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:19,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991351531] [2021-10-11 00:32:19,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:19,715 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:19,730 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:19,757 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:32:19,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:19,758 INFO L82 PathProgramCache]: Analyzing trace with hash 38328461, now seen corresponding path program 1 times [2021-10-11 00:32:19,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:19,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934435081] [2021-10-11 00:32:19,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:19,764 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:19,769 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:19,775 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:32:19,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:19,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1809767947, now seen corresponding path program 1 times [2021-10-11 00:32:19,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:19,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629250406] [2021-10-11 00:32:19,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:19,794 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:19,827 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:19,837 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:32:20,154 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2021-10-11 00:32:20,280 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-10-11 00:32:20,293 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:32:20,294 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:32:20,294 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:32:20,294 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:32:20,295 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:32:20,295 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:20,295 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:32:20,295 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:32:20,295 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_ptr_single_elem_init-2.i_Iteration2_Lasso [2021-10-11 00:32:20,295 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:32:20,296 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:32:20,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:20,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:20,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:20,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:20,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:20,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:20,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:20,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:20,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:20,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:20,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:20,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:20,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:20,879 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:32:20,884 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:20,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:20,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:20,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:20,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:20,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:20,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:32:20,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:32:20,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:20,913 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:20,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:20,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:20,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:20,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:20,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:20,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:32:20,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:32:20,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:32:20,983 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:21,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:21,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:21,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:21,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:21,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:21,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:32:21,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:32:21,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:32:21,051 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:21,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:21,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:21,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:21,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:21,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:32:21,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:32:21,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:21,125 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:21,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:21,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:21,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:21,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:21,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:32:21,155 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:32:21,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:32:21,174 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:21,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:21,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:21,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:21,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:21,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:32:21,225 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:32:21,225 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:21,235 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:21,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:21,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:21,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:21,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:21,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:21,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:32:21,275 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:32:21,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:32:21,295 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:21,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:21,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:21,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:21,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:21,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:32:21,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:32:21,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:32:21,371 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:21,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:21,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:21,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:21,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:21,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:32:21,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:32:21,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:32:21,443 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:32:21,469 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-11 00:32:21,469 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:21,540 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:32:21,570 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-11 00:32:21,570 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:32:21,571 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 199999 Supporting invariants [] [2021-10-11 00:32:21,687 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-10-11 00:32:21,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:21,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:32:21,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:32:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:21,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:32:21,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:32:21,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:21,813 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 [2021-10-11 00:32:21,814 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7 Second operand 3 states. [2021-10-11 00:32:21,880 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 25 states and 36 transitions. Complement of second has 7 states. [2021-10-11 00:32:21,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-11 00:32:21,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-11 00:32:21,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-10-11 00:32:21,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 5 letters. [2021-10-11 00:32:21,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:32:21,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 5 letters. [2021-10-11 00:32:21,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:32:21,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 10 letters. [2021-10-11 00:32:21,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:32:21,888 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 36 transitions. [2021-10-11 00:32:21,890 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-11 00:32:21,891 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 17 states and 23 transitions. [2021-10-11 00:32:21,891 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-11 00:32:21,891 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-11 00:32:21,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2021-10-11 00:32:21,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:32:21,892 INFO L692 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-10-11 00:32:21,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2021-10-11 00:32:21,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-10-11 00:32:21,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-10-11 00:32:21,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2021-10-11 00:32:21,894 INFO L715 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-10-11 00:32:21,894 INFO L595 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-10-11 00:32:21,894 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-11 00:32:21,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2021-10-11 00:32:21,895 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-11 00:32:21,895 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:32:21,895 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:32:21,895 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-11 00:32:21,896 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-11 00:32:21,896 INFO L794 eck$LassoCheckResult]: Stem: 201#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(31); 199#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~mem5, main_#t~mem6, main_#t~post3, main_~q~0, main_#t~mem8, main_#t~post7, main_~i~0, main_~#a~0.base, main_~#a~0.offset, main_~#b~0.base, main_~#b~0.offset, main_~c~0;havoc main_~i~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(400000);call main_~#b~0.base, main_~#b~0.offset := #Ultimate.allocOnStack(400000);havoc main_~c~0;main_~i~0 := 0; 191#L21-3 assume !(main_~i~0 < 100000); 189#L21-4 call write~int(1, main_~#a~0.base, 60000 + main_~#a~0.offset, 4);main_~i~0 := 0; 190#L43-3 [2021-10-11 00:32:21,896 INFO L796 eck$LassoCheckResult]: Loop: 190#L43-3 assume !!(main_~i~0 < 100000); 194#L45 assume !(15000 == main_~i~0); 198#L43-2 main_#t~post7 := main_~i~0;main_~i~0 := 1 + main_#t~post7;havoc main_#t~post7; 190#L43-3 [2021-10-11 00:32:21,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:21,897 INFO L82 PathProgramCache]: Analyzing trace with hash 925725, now seen corresponding path program 1 times [2021-10-11 00:32:21,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:21,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747034475] [2021-10-11 00:32:21,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:21,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:21,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747034475] [2021-10-11 00:32:21,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:21,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:32:21,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168182522] [2021-10-11 00:32:21,919 INFO L799 eck$LassoCheckResult]: stem already infeasible [2021-10-11 00:32:21,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:21,920 INFO L82 PathProgramCache]: Analyzing trace with hash 71947, now seen corresponding path program 1 times [2021-10-11 00:32:21,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:21,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004158447] [2021-10-11 00:32:21,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:21,924 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:21,926 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:21,927 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:32:21,953 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:32:21,953 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:32:21,954 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:32:21,954 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:32:21,954 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:32:21,954 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:21,954 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:32:21,954 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:32:21,954 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_ptr_single_elem_init-2.i_Iteration3_Loop [2021-10-11 00:32:21,955 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:32:21,955 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:32:21,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:21,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:22,034 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:32:22,035 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:22,063 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:32:22,063 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:32:22,085 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:32:22,085 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post7=0} Honda state: {ULTIMATE.start_main_#t~post7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:22,106 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:32:22,106 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:22,130 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:32:22,130 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:32:22,222 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:32:22,228 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:32:22,228 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:32:22,228 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:32:22,228 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:32:22,228 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:32:22,228 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:22,228 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:32:22,228 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:32:22,229 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_ptr_single_elem_init-2.i_Iteration3_Loop [2021-10-11 00:32:22,229 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:32:22,229 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:32:22,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:22,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:32:22,339 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:32:22,340 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:22,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:22,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:22,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:22,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:22,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:32:22,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:32:22,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:32:22,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:32:22,370 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:22,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:32:22,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:32:22,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:32:22,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:32:22,418 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-11 00:32:22,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:32:22,421 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:32:22,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:22,433 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:32:22,444 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-11 00:32:22,445 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6c2d53-b4db-48bb-8bc8-53aef84da5fd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:32:22,453 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:32:22,453 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-11 00:32:22,453 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:32:22,453 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 199999 Supporting invariants [] Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:32:22,487 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-11 00:32:22,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:22,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:32:22,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:32:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:22,549 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:32:22,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:32:22,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:22,578 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 [2021-10-11 00:32:22,579 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand 3 states. [2021-10-11 00:32:22,603 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 22 states and 30 transitions. Complement of second has 4 states. [2021-10-11 00:32:22,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-11 00:32:22,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-11 00:32:22,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2021-10-11 00:32:22,606 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 4 letters. Loop has 3 letters. [2021-10-11 00:32:22,606 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:32:22,606 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 7 letters. Loop has 3 letters. [2021-10-11 00:32:22,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:32:22,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 4 letters. Loop has 6 letters. [2021-10-11 00:32:22,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:32:22,607 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 30 transitions. [2021-10-11 00:32:22,611 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:32:22,611 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2021-10-11 00:32:22,611 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:32:22,611 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:32:22,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:32:22,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:32:22,612 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:32:22,612 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:32:22,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:22,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:22,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:22,614 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2021-10-11 00:32:22,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:22,615 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-11 00:32:22,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:32:22,615 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-11 00:32:22,615 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:32:22,615 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:32:22,615 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:32:22,615 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:32:22,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:32:22,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:32:22,616 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:32:22,616 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:32:22,616 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:32:22,616 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-11 00:32:22,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:32:22,617 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:32:22,617 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-11 00:32:22,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:32:22 BoogieIcfgContainer [2021-10-11 00:32:22,622 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:32:22,623 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:32:22,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:32:22,623 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:32:22,624 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:18" (3/4) ... [2021-10-11 00:32:22,627 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:32:22,627 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:32:22,629 INFO L168 Benchmark]: Toolchain (without parser) took 4929.25 ms. Allocated memory was 86.0 MB in the beginning and 144.7 MB in the end (delta: 58.7 MB). Free memory was 48.2 MB in the beginning and 94.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:22,635 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 86.0 MB. Free memory is still 65.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:32:22,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.34 ms. Allocated memory is still 86.0 MB. Free memory was 47.9 MB in the beginning and 62.8 MB in the end (delta: -14.9 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:22,637 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.34 ms. Allocated memory is still 86.0 MB. Free memory was 62.8 MB in the beginning and 61.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:22,637 INFO L168 Benchmark]: Boogie Preprocessor took 27.09 ms. Allocated memory is still 86.0 MB. Free memory was 61.3 MB in the beginning and 60.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:22,638 INFO L168 Benchmark]: RCFGBuilder took 381.05 ms. Allocated memory is still 86.0 MB. Free memory was 59.9 MB in the beginning and 45.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:22,639 INFO L168 Benchmark]: BuchiAutomizer took 4208.02 ms. Allocated memory was 86.0 MB in the beginning and 144.7 MB in the end (delta: 58.7 MB). Free memory was 45.2 MB in the beginning and 94.9 MB in the end (delta: -49.7 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:22,643 INFO L168 Benchmark]: Witness Printer took 4.66 ms. Allocated memory is still 144.7 MB. Free memory is still 94.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:32:22,650 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 86.0 MB. Free memory is still 65.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 261.34 ms. Allocated memory is still 86.0 MB. Free memory was 47.9 MB in the beginning and 62.8 MB in the end (delta: -14.9 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.34 ms. Allocated memory is still 86.0 MB. Free memory was 62.8 MB in the beginning and 61.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.09 ms. Allocated memory is still 86.0 MB. Free memory was 61.3 MB in the beginning and 60.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 381.05 ms. Allocated memory is still 86.0 MB. Free memory was 59.9 MB in the beginning and 45.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4208.02 ms. Allocated memory was 86.0 MB in the beginning and 144.7 MB in the end (delta: 58.7 MB). Free memory was 45.2 MB in the beginning and 94.9 MB in the end (delta: -49.7 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.66 ms. Allocated memory is still 144.7 MB. Free memory is still 94.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 199999 and consists of 4 locations. One deterministic module has affine ranking function -2 * i + 199999 and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 35 SDtfs, 62 SDslu, 27 SDs, 0 SdLazy, 65 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital72 mio100 ax100 hnf100 lsp96 ukn85 mio100 lsp81 div100 bol100 ite100 ukn100 eq168 hnf94 smp100 dnf143 smp94 tf103 neg96 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 1 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...