./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/Primes.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Primes.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg --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 16beca065b3aeb336c54dcf96f3abbe61553e7d28b28c1a40f525ad89a5da56e ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-b2eff8b [2021-10-28 08:54:06,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:54:06,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:54:06,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:54:06,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:54:06,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:54:06,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:54:06,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:54:06,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:54:06,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:54:06,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:54:06,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:54:06,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:54:06,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:54:06,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:54:06,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:54:06,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:54:06,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:54:06,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:54:06,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:54:06,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:54:06,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:54:06,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:54:06,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:54:06,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:54:06,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:54:06,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:54:06,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:54:06,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:54:06,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:54:06,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:54:06,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:54:06,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:54:06,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:54:06,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:54:06,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:54:06,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:54:06,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:54:06,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:54:06,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:54:06,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:54:06,608 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 08:54:06,660 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:54:06,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:54:06,663 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:54:06,663 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:54:06,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:54:06,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:54:06,665 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:54:06,666 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 08:54:06,666 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 08:54:06,666 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 08:54:06,667 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 08:54:06,668 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 08:54:06,668 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 08:54:06,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:54:06,668 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:54:06,668 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:54:06,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:54:06,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:54:06,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:54:06,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 08:54:06,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 08:54:06,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 08:54:06,670 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:54:06,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:54:06,670 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 08:54:06,671 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:54:06,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 08:54:06,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:54:06,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:54:06,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:54:06,674 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:54:06,674 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:54:06,675 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 08:54:06,675 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_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16beca065b3aeb336c54dcf96f3abbe61553e7d28b28c1a40f525ad89a5da56e [2021-10-28 08:54:06,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:54:06,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:54:06,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:54:06,989 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:54:06,990 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:54:06,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/recursive/Primes.c [2021-10-28 08:54:07,086 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/data/a027ab21d/f754043e420b459a96527190795e18c5/FLAG5a91ec113 [2021-10-28 08:54:07,663 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:54:07,664 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/sv-benchmarks/c/recursive/Primes.c [2021-10-28 08:54:07,678 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/data/a027ab21d/f754043e420b459a96527190795e18c5/FLAG5a91ec113 [2021-10-28 08:54:07,986 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/data/a027ab21d/f754043e420b459a96527190795e18c5 [2021-10-28 08:54:07,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:54:07,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:54:07,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:54:07,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:54:07,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:54:07,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:54:07" (1/1) ... [2021-10-28 08:54:07,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e9d54a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:07, skipping insertion in model container [2021-10-28 08:54:07,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:54:07" (1/1) ... [2021-10-28 08:54:08,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:54:08,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:54:08,335 WARN L228 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_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/sv-benchmarks/c/recursive/Primes.c[2190,2203] [2021-10-28 08:54:08,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:54:08,348 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:54:08,400 WARN L228 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_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/sv-benchmarks/c/recursive/Primes.c[2190,2203] [2021-10-28 08:54:08,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:54:08,417 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:54:08,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:08 WrapperNode [2021-10-28 08:54:08,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:54:08,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:54:08,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:54:08,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:54:08,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:08" (1/1) ... [2021-10-28 08:54:08,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:08" (1/1) ... [2021-10-28 08:54:08,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:54:08,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:54:08,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:54:08,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:54:08,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:08" (1/1) ... [2021-10-28 08:54:08,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:08" (1/1) ... [2021-10-28 08:54:08,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:08" (1/1) ... [2021-10-28 08:54:08,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:08" (1/1) ... [2021-10-28 08:54:08,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:08" (1/1) ... [2021-10-28 08:54:08,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:08" (1/1) ... [2021-10-28 08:54:08,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:08" (1/1) ... [2021-10-28 08:54:08,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:54:08,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:54:08,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:54:08,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:54:08,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:08" (1/1) ... [2021-10-28 08:54:08,542 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:08,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:08,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:08,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 08:54:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure multiple_of [2021-10-28 08:54:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure multiple_of [2021-10-28 08:54:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2021-10-28 08:54:08,634 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2021-10-28 08:54:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure is_prime_ [2021-10-28 08:54:08,635 INFO L138 BoogieDeclarations]: Found implementation of procedure is_prime_ [2021-10-28 08:54:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:54:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:54:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:54:08,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:54:09,016 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:54:09,017 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-28 08:54:09,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:54:09 BoogieIcfgContainer [2021-10-28 08:54:09,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:54:09,021 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 08:54:09,021 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 08:54:09,025 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 08:54:09,026 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:54:09,031 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 08:54:07" (1/3) ... [2021-10-28 08:54:09,032 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d0c5268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:54:09, skipping insertion in model container [2021-10-28 08:54:09,033 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:54:09,033 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:54:08" (2/3) ... [2021-10-28 08:54:09,034 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d0c5268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:54:09, skipping insertion in model container [2021-10-28 08:54:09,034 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:54:09,034 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:54:09" (3/3) ... [2021-10-28 08:54:09,036 INFO L389 chiAutomizerObserver]: Analyzing ICFG Primes.c [2021-10-28 08:54:09,086 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 08:54:09,086 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 08:54:09,086 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 08:54:09,087 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 08:54:09,087 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 08:54:09,087 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 08:54:09,087 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 08:54:09,087 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 08:54:09,107 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 50 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 37 states have internal predecessors, (54), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-10-28 08:54:09,137 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-10-28 08:54:09,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:54:09,137 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:54:09,147 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 08:54:09,147 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:09,147 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 08:54:09,148 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 50 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 37 states have internal predecessors, (54), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-10-28 08:54:09,154 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-10-28 08:54:09,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:54:09,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:54:09,155 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 08:54:09,155 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:09,163 INFO L791 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 30#L-1true havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_#t~nondet17, main_#t~nondet18, main_#t~ret19, main_#t~short20, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet15;havoc main_#t~nondet15; 16#L78true assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret12, is_prime_~n;is_prime_~n := is_prime_#in~n; 23#L53true call is_prime_#t~ret12 := is_prime_(is_prime_~n, is_prime_~n - 1);< 32#is_prime_ENTRYtrue [2021-10-28 08:54:09,164 INFO L793 eck$LassoCheckResult]: Loop: 32#is_prime_ENTRYtrue ~n := #in~n;~m := #in~m; 51#L58true assume !(~n <= 1); 33#L61true assume !(2 == ~n); 48#L64true assume ~n > 2; 9#L65true assume !(~m <= 1); 28#L68true call #t~ret13 := multiple_of(~n, ~m);< 46#multiple_ofENTRYtrue ~n := #in~n;~m := #in~m; 43#L32true assume !(~m < 0); 49#L35true assume !(~n < 0); 15#L38true assume 0 == ~m;#res := 0; 19#multiple_ofFINALtrue assume true; 20#multiple_ofEXITtrue >#122#return; 21#L68-1true assume !(0 == #t~ret13);havoc #t~ret13; 5#L71true call #t~ret14 := is_prime_(~n, ~m - 1);< 32#is_prime_ENTRYtrue [2021-10-28 08:54:09,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:09,170 INFO L85 PathProgramCache]: Analyzing trace with hash 2218663, now seen corresponding path program 1 times [2021-10-28 08:54:09,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:09,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591393543] [2021-10-28 08:54:09,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:09,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:09,288 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:09,330 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:09,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:09,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1788949215, now seen corresponding path program 1 times [2021-10-28 08:54:09,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:09,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004467428] [2021-10-28 08:54:09,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:09,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:09,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-10-28 08:54:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:09,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:09,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:09,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004467428] [2021-10-28 08:54:09,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004467428] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:09,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:09,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:54:09,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946329777] [2021-10-28 08:54:09,533 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 08:54:09,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:09,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:54:09,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:54:09,550 INFO L87 Difference]: Start difference. First operand has 50 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 37 states have internal predecessors, (54), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 08:54:09,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:09,635 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2021-10-28 08:54:09,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:54:09,638 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 80 transitions. [2021-10-28 08:54:09,643 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-10-28 08:54:09,650 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 41 states and 54 transitions. [2021-10-28 08:54:09,651 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2021-10-28 08:54:09,651 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-10-28 08:54:09,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 54 transitions. [2021-10-28 08:54:09,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:54:09,654 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2021-10-28 08:54:09,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 54 transitions. [2021-10-28 08:54:09,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2021-10-28 08:54:09,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 30 states have internal predecessors, (37), 9 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-10-28 08:54:09,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 51 transitions. [2021-10-28 08:54:09,686 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 51 transitions. [2021-10-28 08:54:09,687 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 51 transitions. [2021-10-28 08:54:09,687 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 08:54:09,687 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 51 transitions. [2021-10-28 08:54:09,689 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-10-28 08:54:09,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:54:09,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:54:09,690 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 08:54:09,690 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:09,691 INFO L791 eck$LassoCheckResult]: Stem: 155#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 138#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_#t~nondet17, main_#t~nondet18, main_#t~ret19, main_#t~short20, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet15;havoc main_#t~nondet15; 139#L78 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret12, is_prime_~n;is_prime_~n := is_prime_#in~n; 134#L53 call is_prime_#t~ret12 := is_prime_(is_prime_~n, is_prime_~n - 1);< 135#is_prime_ENTRY [2021-10-28 08:54:09,691 INFO L793 eck$LassoCheckResult]: Loop: 135#is_prime_ENTRY ~n := #in~n;~m := #in~m; 149#L58 assume !(~n <= 1); 150#L61 assume !(2 == ~n); 151#L64 assume ~n > 2; 144#L65 assume !(~m <= 1); 126#L68 call #t~ret13 := multiple_of(~n, ~m);< 137#multiple_ofENTRY ~n := #in~n;~m := #in~m; 160#L32 assume !(~m < 0); 161#L35 assume !(~n < 0); 158#L38 assume !(0 == ~m); 159#L41 assume 0 == ~n;#res := 1; 130#multiple_ofFINAL assume true; 162#multiple_ofEXIT >#122#return; 163#L68-1 assume !(0 == #t~ret13);havoc #t~ret13; 133#L71 call #t~ret14 := is_prime_(~n, ~m - 1);< 135#is_prime_ENTRY [2021-10-28 08:54:09,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:09,692 INFO L85 PathProgramCache]: Analyzing trace with hash 2218663, now seen corresponding path program 2 times [2021-10-28 08:54:09,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:09,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855963258] [2021-10-28 08:54:09,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:09,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:09,707 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:09,726 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:09,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:09,727 INFO L85 PathProgramCache]: Analyzing trace with hash 399153633, now seen corresponding path program 1 times [2021-10-28 08:54:09,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:09,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744337405] [2021-10-28 08:54:09,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:09,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:09,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-10-28 08:54:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:09,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:09,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:09,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744337405] [2021-10-28 08:54:09,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744337405] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:09,779 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:09,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:54:09,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359400991] [2021-10-28 08:54:09,780 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 08:54:09,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:09,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:54:09,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:54:09,782 INFO L87 Difference]: Start difference. First operand 39 states and 51 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 08:54:09,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:09,872 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2021-10-28 08:54:09,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:54:09,873 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2021-10-28 08:54:09,876 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-10-28 08:54:09,879 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 57 transitions. [2021-10-28 08:54:09,881 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2021-10-28 08:54:09,881 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2021-10-28 08:54:09,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 57 transitions. [2021-10-28 08:54:09,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:54:09,884 INFO L681 BuchiCegarLoop]: Abstraction has 43 states and 57 transitions. [2021-10-28 08:54:09,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 57 transitions. [2021-10-28 08:54:09,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2021-10-28 08:54:09,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 32 states have internal predecessors, (38), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-10-28 08:54:09,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 54 transitions. [2021-10-28 08:54:09,897 INFO L704 BuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2021-10-28 08:54:09,897 INFO L587 BuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2021-10-28 08:54:09,898 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 08:54:09,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 54 transitions. [2021-10-28 08:54:09,900 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-10-28 08:54:09,904 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:54:09,904 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:54:09,905 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 08:54:09,906 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:09,906 INFO L791 eck$LassoCheckResult]: Stem: 255#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 239#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_#t~nondet17, main_#t~nondet18, main_#t~ret19, main_#t~short20, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet15;havoc main_#t~nondet15; 240#L78 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret12, is_prime_~n;is_prime_~n := is_prime_#in~n; 233#L53 call is_prime_#t~ret12 := is_prime_(is_prime_~n, is_prime_~n - 1);< 234#is_prime_ENTRY [2021-10-28 08:54:09,906 INFO L793 eck$LassoCheckResult]: Loop: 234#is_prime_ENTRY ~n := #in~n;~m := #in~m; 248#L58 assume !(~n <= 1); 251#L61 assume !(2 == ~n); 252#L64 assume ~n > 2; 243#L65 assume !(~m <= 1); 226#L68 call #t~ret13 := multiple_of(~n, ~m);< 236#multiple_ofENTRY ~n := #in~n;~m := #in~m; 260#L32 assume !(~m < 0); 261#L35 assume !(~n < 0); 258#L38 assume !(0 == ~m); 259#L41 assume !(0 == ~n); 227#L44 call #t~ret11 := multiple_of(~n - ~m, ~m);< 236#multiple_ofENTRY ~n := #in~n;~m := #in~m; 260#L32 assume !(~m < 0); 261#L35 assume !(~n < 0); 258#L38 assume !(0 == ~m); 259#L41 assume 0 == ~n;#res := 1; 250#multiple_ofFINAL assume true; 262#multiple_ofEXIT >#112#return; 224#L44-1 #res := #t~ret11;havoc #t~ret11; 229#multiple_ofFINAL assume true; 264#multiple_ofEXIT >#122#return; 263#L68-1 assume !(0 == #t~ret13);havoc #t~ret13; 232#L71 call #t~ret14 := is_prime_(~n, ~m - 1);< 234#is_prime_ENTRY [2021-10-28 08:54:09,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:09,909 INFO L85 PathProgramCache]: Analyzing trace with hash 2218663, now seen corresponding path program 3 times [2021-10-28 08:54:09,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:09,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149909643] [2021-10-28 08:54:09,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:09,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:09,930 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:09,952 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:09,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:09,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1840266607, now seen corresponding path program 1 times [2021-10-28 08:54:09,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:09,953 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410111197] [2021-10-28 08:54:09,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:09,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:09,979 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:10,005 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:10,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:10,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1482001207, now seen corresponding path program 1 times [2021-10-28 08:54:10,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:10,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978671982] [2021-10-28 08:54:10,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:10,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:10,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-10-28 08:54:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:10,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-10-28 08:54:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 08:54:10,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:10,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978671982] [2021-10-28 08:54:10,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978671982] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:54:10,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124008955] [2021-10-28 08:54:10,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:10,174 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:10,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:10,175 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:54:10,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 08:54:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:10,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 08:54:10,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:10,508 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 08:54:10,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124008955] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:54:10,509 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:54:10,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2021-10-28 08:54:10,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684833417] [2021-10-28 08:54:10,967 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:54:10,968 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:54:10,968 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:54:10,968 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:54:10,969 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 08:54:10,969 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:10,969 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:54:10,969 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:54:10,969 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration3_Loop [2021-10-28 08:54:10,969 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:54:10,969 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:54:10,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:10,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:10,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:10,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:11,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:11,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:11,071 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:54:11,072 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 08:54:11,075 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:11,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:11,082 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:11,091 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:11,091 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:11,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 08:54:11,123 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:11,123 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__~n=0} Honda state: {is_prime__~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:11,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-28 08:54:11,152 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:11,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:11,175 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:11,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 08:54:11,179 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:11,179 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:11,223 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:11,223 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__#t~ret13=0} Honda state: {is_prime__#t~ret13=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:11,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-28 08:54:11,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:11,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:11,251 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:11,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 08:54:11,255 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:11,255 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:11,267 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:11,267 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__~m=0} Honda state: {is_prime__~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:11,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:11,288 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:11,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:11,293 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:11,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 08:54:11,297 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:11,298 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:11,311 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:11,311 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__#t~ret14=0} Honda state: {is_prime__#t~ret14=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:11,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:11,335 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:11,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:11,336 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:11,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 08:54:11,337 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:11,337 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:11,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:11,381 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:11,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:11,382 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:11,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 08:54:11,395 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 08:54:11,395 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:11,466 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 08:54:11,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:11,473 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:54:11,473 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:54:11,473 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:54:11,473 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:54:11,473 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:54:11,474 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:11,474 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:54:11,474 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:54:11,474 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration3_Loop [2021-10-28 08:54:11,474 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:54:11,474 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:54:11,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:11,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:11,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:11,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:11,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:11,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:11,549 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:54:11,554 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:54:11,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:11,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:11,559 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:11,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:11,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:11,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:11,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:11,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:11,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:11,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:11,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:11,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 08:54:11,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:11,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:11,618 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:11,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:11,619 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:11,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 08:54:11,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:11,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:11,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:11,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:11,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:11,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:11,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:11,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:11,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:11,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:11,660 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:11,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:11,661 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:11,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 08:54:11,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:11,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:11,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:11,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:11,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:11,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:11,674 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:11,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:11,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:11,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:11,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:11,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:11,706 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:11,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 08:54:11,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:11,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:11,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:11,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:11,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:11,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:11,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:11,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:11,725 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:54:11,729 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 08:54:11,730 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 08:54:11,731 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:11,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:11,736 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:11,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 08:54:11,739 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:54:11,739 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 08:54:11,739 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:54:11,739 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(is_prime__#in~m) = 1*is_prime__#in~m Supporting invariants [] [2021-10-28 08:54:11,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:11,764 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 08:54:11,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:11,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:54:11,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:11,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-28 08:54:11,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:12,238 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 08:54:12,244 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 9 loop predicates [2021-10-28 08:54:12,246 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 54 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-28 08:54:12,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:12,928 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 54 transitions. cyclomatic complexity: 16. Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 322 states and 477 transitions. Complement of second has 71 states. [2021-10-28 08:54:12,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 1 stem states 11 non-accepting loop states 1 accepting loop states [2021-10-28 08:54:12,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-28 08:54:12,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 77 transitions. [2021-10-28 08:54:12,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 77 transitions. Stem has 4 letters. Loop has 24 letters. [2021-10-28 08:54:12,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:12,940 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 77 transitions. Stem has 28 letters. Loop has 24 letters. [2021-10-28 08:54:12,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:12,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 77 transitions. Stem has 4 letters. Loop has 48 letters. [2021-10-28 08:54:12,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:12,945 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 322 states and 477 transitions. [2021-10-28 08:54:12,975 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 30 [2021-10-28 08:54:12,988 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 322 states to 264 states and 371 transitions. [2021-10-28 08:54:12,990 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 156 [2021-10-28 08:54:12,991 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 159 [2021-10-28 08:54:12,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 264 states and 371 transitions. [2021-10-28 08:54:12,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:54:12,993 INFO L681 BuchiCegarLoop]: Abstraction has 264 states and 371 transitions. [2021-10-28 08:54:12,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states and 371 transitions. [2021-10-28 08:54:13,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 163. [2021-10-28 08:54:13,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 118 states have (on average 1.3135593220338984) internal successors, (155), 119 states have internal predecessors, (155), 28 states have call successors, (28), 13 states have call predecessors, (28), 17 states have return successors, (37), 30 states have call predecessors, (37), 23 states have call successors, (37) [2021-10-28 08:54:13,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 220 transitions. [2021-10-28 08:54:13,025 INFO L704 BuchiCegarLoop]: Abstraction has 163 states and 220 transitions. [2021-10-28 08:54:13,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:13,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 08:54:13,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-10-28 08:54:13,026 INFO L87 Difference]: Start difference. First operand 163 states and 220 transitions. Second operand has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-28 08:54:13,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:13,206 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2021-10-28 08:54:13,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 08:54:13,207 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 171 states and 229 transitions. [2021-10-28 08:54:13,211 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2021-10-28 08:54:13,214 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 171 states to 107 states and 147 transitions. [2021-10-28 08:54:13,214 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 107 [2021-10-28 08:54:13,215 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 107 [2021-10-28 08:54:13,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 107 states and 147 transitions. [2021-10-28 08:54:13,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:54:13,221 INFO L681 BuchiCegarLoop]: Abstraction has 107 states and 147 transitions. [2021-10-28 08:54:13,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states and 147 transitions. [2021-10-28 08:54:13,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 93. [2021-10-28 08:54:13,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 71 states have internal predecessors, (93), 18 states have call successors, (18), 8 states have call predecessors, (18), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2021-10-28 08:54:13,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 126 transitions. [2021-10-28 08:54:13,231 INFO L704 BuchiCegarLoop]: Abstraction has 93 states and 126 transitions. [2021-10-28 08:54:13,231 INFO L587 BuchiCegarLoop]: Abstraction has 93 states and 126 transitions. [2021-10-28 08:54:13,231 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 08:54:13,231 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 126 transitions. [2021-10-28 08:54:13,232 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2021-10-28 08:54:13,232 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:54:13,232 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:54:13,233 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:13,233 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 08:54:13,233 INFO L791 eck$LassoCheckResult]: Stem: 1272#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1252#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_#t~nondet17, main_#t~nondet18, main_#t~ret19, main_#t~short20, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet15;havoc main_#t~nondet15; 1253#L78 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret12, is_prime_~n;is_prime_~n := is_prime_#in~n; 1277#L53 call is_prime_#t~ret12 := is_prime_(is_prime_~n, is_prime_~n - 1);< 1296#is_prime_ENTRY ~n := #in~n;~m := #in~m; 1301#L58 assume !(~n <= 1); 1302#L61 assume !(2 == ~n); 1305#L64 assume ~n > 2; 1300#L65 assume !(~m <= 1); 1278#L68 call #t~ret13 := multiple_of(~n, ~m);< 1307#multiple_ofENTRY ~n := #in~n;~m := #in~m; 1322#L32 assume ~m < 0; 1282#L33 [2021-10-28 08:54:13,233 INFO L793 eck$LassoCheckResult]: Loop: 1282#L33 call #t~ret9 := multiple_of(~n, -~m);< 1263#multiple_ofENTRY ~n := #in~n;~m := #in~m; 1290#L32 assume ~m < 0; 1282#L33 [2021-10-28 08:54:13,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:13,234 INFO L85 PathProgramCache]: Analyzing trace with hash -123397399, now seen corresponding path program 1 times [2021-10-28 08:54:13,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:13,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146053690] [2021-10-28 08:54:13,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:13,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:13,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:13,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:13,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146053690] [2021-10-28 08:54:13,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146053690] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:13,276 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:13,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:54:13,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698125204] [2021-10-28 08:54:13,276 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 08:54:13,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:13,277 INFO L85 PathProgramCache]: Analyzing trace with hash 132621, now seen corresponding path program 1 times [2021-10-28 08:54:13,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:13,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523040403] [2021-10-28 08:54:13,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:13,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:13,284 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:13,288 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:13,370 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:54:13,370 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:54:13,370 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:54:13,370 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:54:13,370 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 08:54:13,370 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:13,371 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:54:13,371 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:54:13,371 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration4_Loop [2021-10-28 08:54:13,371 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:54:13,371 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:54:13,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:13,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:13,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:13,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:13,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:13,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:13,449 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:54:13,449 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 08:54:13,449 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:13,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:13,450 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:13,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 08:54:13,455 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:13,455 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:13,463 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:13,464 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret11=0} Honda state: {multiple_of_#t~ret11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:13,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:13,484 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:13,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:13,484 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:13,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 08:54:13,488 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:13,488 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:13,497 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:13,497 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret10=0} Honda state: {multiple_of_#t~ret10=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:13,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:13,517 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:13,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:13,518 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:13,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 08:54:13,520 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:13,520 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:13,534 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:13,534 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_~n=2, multiple_of_#in~n=2} Honda state: {multiple_of_~n=2, multiple_of_#in~n=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:13,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:13,569 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:13,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:13,583 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:13,585 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:13,585 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:13,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 08:54:13,605 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:13,605 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret9=0} Honda state: {multiple_of_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:13,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:13,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:13,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:13,638 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:13,647 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:13,647 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:13,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 08:54:13,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:13,704 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:13,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:13,705 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:13,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 08:54:13,707 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 08:54:13,707 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:15,570 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 08:54:15,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:15,576 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:54:15,576 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:54:15,576 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:54:15,577 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:54:15,577 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:54:15,577 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:15,577 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:54:15,577 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:54:15,577 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration4_Loop [2021-10-28 08:54:15,577 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:54:15,577 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:54:15,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:15,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:15,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:15,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:15,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:15,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:15,675 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:54:15,676 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:54:15,676 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:15,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:15,677 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:15,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:15,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 08:54:15,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:15,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:15,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:15,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:15,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:15,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:15,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:15,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:15,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:15,744 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:15,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:15,745 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:15,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:15,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:15,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:15,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:15,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:15,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:15,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:15,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:15,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 08:54:15,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:15,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:15,788 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:15,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:15,789 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:15,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 08:54:15,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:15,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:15,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:15,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:15,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:15,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:15,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:15,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:15,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:15,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:15,827 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:15,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:15,828 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:15,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 08:54:15,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:15,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:15,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:15,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:15,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:15,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:15,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:15,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:15,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:15,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:15,869 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:15,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:15,870 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:15,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 08:54:15,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:15,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:15,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:15,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:15,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:15,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:15,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:15,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:15,882 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:54:15,884 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-28 08:54:15,885 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 08:54:15,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:15,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:15,886 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:15,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 08:54:15,887 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:54:15,887 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 08:54:15,887 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:54:15,887 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_~m) = 1*multiple_of_~m Supporting invariants [] [2021-10-28 08:54:15,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-28 08:54:15,907 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 08:54:15,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:15,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 08:54:15,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:16,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 08:54:16,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:16,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:16,057 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 08:54:16,057 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 93 states and 126 transitions. cyclomatic complexity: 36 Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:16,132 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 93 states and 126 transitions. cyclomatic complexity: 36. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 191 states and 253 transitions. Complement of second has 18 states. [2021-10-28 08:54:16,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 08:54:16,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:16,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2021-10-28 08:54:16,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 12 letters. Loop has 3 letters. [2021-10-28 08:54:16,134 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:16,134 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-28 08:54:16,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:16,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 12 letters. Loop has 6 letters. [2021-10-28 08:54:16,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:16,135 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 191 states and 253 transitions. [2021-10-28 08:54:16,141 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 42 [2021-10-28 08:54:16,144 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 191 states to 137 states and 182 transitions. [2021-10-28 08:54:16,144 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113 [2021-10-28 08:54:16,146 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 114 [2021-10-28 08:54:16,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 182 transitions. [2021-10-28 08:54:16,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:54:16,150 INFO L681 BuchiCegarLoop]: Abstraction has 137 states and 182 transitions. [2021-10-28 08:54:16,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 182 transitions. [2021-10-28 08:54:16,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 108. [2021-10-28 08:54:16,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 84 states have internal predecessors, (106), 23 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2021-10-28 08:54:16,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 146 transitions. [2021-10-28 08:54:16,170 INFO L704 BuchiCegarLoop]: Abstraction has 108 states and 146 transitions. [2021-10-28 08:54:16,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:16,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:54:16,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:54:16,174 INFO L87 Difference]: Start difference. First operand 108 states and 146 transitions. Second operand has 5 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:16,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:16,204 INFO L93 Difference]: Finished difference Result 98 states and 128 transitions. [2021-10-28 08:54:16,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:54:16,205 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 128 transitions. [2021-10-28 08:54:16,207 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2021-10-28 08:54:16,208 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 98 states and 128 transitions. [2021-10-28 08:54:16,209 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2021-10-28 08:54:16,209 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2021-10-28 08:54:16,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 128 transitions. [2021-10-28 08:54:16,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:54:16,210 INFO L681 BuchiCegarLoop]: Abstraction has 98 states and 128 transitions. [2021-10-28 08:54:16,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 128 transitions. [2021-10-28 08:54:16,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 92. [2021-10-28 08:54:16,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 67 states have (on average 1.328358208955224) internal successors, (89), 70 states have internal predecessors, (89), 17 states have call successors, (17), 8 states have call predecessors, (17), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2021-10-28 08:54:16,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 121 transitions. [2021-10-28 08:54:16,216 INFO L704 BuchiCegarLoop]: Abstraction has 92 states and 121 transitions. [2021-10-28 08:54:16,216 INFO L587 BuchiCegarLoop]: Abstraction has 92 states and 121 transitions. [2021-10-28 08:54:16,216 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 08:54:16,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 121 transitions. [2021-10-28 08:54:16,218 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2021-10-28 08:54:16,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:54:16,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:54:16,219 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:16,219 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 08:54:16,219 INFO L791 eck$LassoCheckResult]: Stem: 1852#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1825#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_#t~nondet17, main_#t~nondet18, main_#t~ret19, main_#t~short20, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet15;havoc main_#t~nondet15; 1826#L78 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret12, is_prime_~n;is_prime_~n := is_prime_#in~n; 1855#L53 call is_prime_#t~ret12 := is_prime_(is_prime_~n, is_prime_~n - 1);< 1867#is_prime_ENTRY ~n := #in~n;~m := #in~m; 1886#L58 assume ~n <= 1;#res := 0; 1870#is_prime_FINAL assume true; 1869#is_prime_EXIT >#118#return; 1865#L53-1 is_prime_#res := is_prime_#t~ret12;havoc is_prime_#t~ret12; 1818#L53-2 main_#t~ret16 := is_prime_#res;main_~result~0 := main_#t~ret16;havoc main_#t~ret16;main_~f1~0 := main_#t~nondet17;havoc main_#t~nondet17; 1819#L85 assume !(main_~f1~0 < 1 || main_~f1~0 > 46340);main_~f2~0 := main_#t~nondet18;havoc main_#t~nondet18; 1823#L91 assume !(main_~f2~0 < 1 || main_~f2~0 > 46340);main_#t~short20 := 1 == main_~result~0; 1827#L97 assume main_#t~short20; 1828#L97-1 call main_#t~ret19 := mult(main_~f1~0, main_~f2~0);< 1840#multENTRY [2021-10-28 08:54:16,219 INFO L793 eck$LassoCheckResult]: Loop: 1840#multENTRY ~n := #in~n;~m := #in~m; 1848#L18 assume ~m < 0; 1833#L19 call #t~ret7 := mult(~n, -~m);< 1840#multENTRY [2021-10-28 08:54:16,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:16,220 INFO L85 PathProgramCache]: Analyzing trace with hash 636635474, now seen corresponding path program 1 times [2021-10-28 08:54:16,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:16,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836203340] [2021-10-28 08:54:16,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:16,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:16,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 08:54:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:16,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:16,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:16,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836203340] [2021-10-28 08:54:16,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836203340] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:16,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:16,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 08:54:16,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599438514] [2021-10-28 08:54:16,292 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 08:54:16,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:16,293 INFO L85 PathProgramCache]: Analyzing trace with hash 53805, now seen corresponding path program 1 times [2021-10-28 08:54:16,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:16,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822007783] [2021-10-28 08:54:16,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:16,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:16,297 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:16,306 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:16,359 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:54:16,360 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:54:16,360 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:54:16,360 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:54:16,360 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 08:54:16,360 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:16,360 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:54:16,360 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:54:16,360 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration5_Loop [2021-10-28 08:54:16,360 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:54:16,360 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:54:16,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:16,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:16,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:16,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:16,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:16,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:16,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:16,411 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:54:16,411 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 08:54:16,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:16,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:16,421 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:16,428 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:16,428 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:16,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 08:54:16,459 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:16,459 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~n=0} Honda state: {mult_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:16,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:16,495 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:16,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:16,496 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:16,503 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:16,503 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:16,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 08:54:16,523 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:16,523 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~m=0} Honda state: {mult_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:16,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:16,560 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:16,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:16,561 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:16,565 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:16,565 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:16,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 08:54:16,588 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:16,588 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#res=0} Honda state: {mult_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:16,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:16,625 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:16,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:16,626 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:16,631 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:16,631 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:16,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 08:54:16,663 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:16,663 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#in~n=0} Honda state: {mult_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:16,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:16,699 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:16,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:16,701 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:16,703 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:16,703 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:16,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 08:54:16,730 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:16,730 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret8=0} Honda state: {mult_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:16,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:16,766 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:16,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:16,767 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:16,769 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:16,769 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:16,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 08:54:16,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:16,832 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:16,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:16,834 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:16,837 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 08:54:16,837 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:16,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 08:54:16,911 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 08:54:16,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:16,917 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:54:16,917 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:54:16,918 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:54:16,918 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:54:16,918 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:54:16,918 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:16,918 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:54:16,918 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:54:16,918 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration5_Loop [2021-10-28 08:54:16,918 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:54:16,918 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:54:16,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:16,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:16,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:16,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:16,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:16,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:16,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:16,965 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:54:16,965 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:54:16,965 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:16,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:16,966 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:16,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:16,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:16,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:16,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:16,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:16,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:16,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:16,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:16,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 08:54:17,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:17,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:17,043 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:17,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:17,044 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:17,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:17,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:17,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:17,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:17,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:17,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:17,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:17,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:17,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 08:54:17,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:17,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-28 08:54:17,103 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:17,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:17,104 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:17,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 08:54:17,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:17,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:17,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:17,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:17,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:17,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:17,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:17,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:17,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:17,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-28 08:54:17,145 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:17,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:17,146 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:17,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 08:54:17,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:17,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:17,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:17,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:17,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:17,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:17,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:17,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:17,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:17,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:17,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:17,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:17,180 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:17,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 08:54:17,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:17,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:17,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:17,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:17,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:17,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:17,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:17,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:17,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:17,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-28 08:54:17,210 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:17,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:17,211 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:17,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 08:54:17,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:17,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:17,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:17,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:17,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:17,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:17,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:17,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:17,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:17,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:17,243 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:17,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:17,244 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:17,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 08:54:17,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:17,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:17,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:17,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:17,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:17,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:17,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:17,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:17,266 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:54:17,269 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-28 08:54:17,269 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 08:54:17,269 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:17,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:17,271 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:17,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 08:54:17,272 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:54:17,273 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 08:54:17,273 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:54:17,273 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_#in~m) = -1*mult_#in~m Supporting invariants [] [2021-10-28 08:54:17,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-28 08:54:17,293 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 08:54:17,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:17,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 08:54:17,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:17,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:17,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 08:54:17,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:17,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-28 08:54:17,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:17,538 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-10-28 08:54:17,538 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 92 states and 121 transitions. cyclomatic complexity: 32 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 08:54:17,653 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 92 states and 121 transitions. cyclomatic complexity: 32. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 114 states and 145 transitions. Complement of second has 14 states. [2021-10-28 08:54:17,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 08:54:17,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 08:54:17,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2021-10-28 08:54:17,654 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 14 letters. Loop has 3 letters. [2021-10-28 08:54:17,654 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:17,654 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 17 letters. Loop has 3 letters. [2021-10-28 08:54:17,654 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:17,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 14 letters. Loop has 6 letters. [2021-10-28 08:54:17,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:17,655 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 145 transitions. [2021-10-28 08:54:17,657 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2021-10-28 08:54:17,659 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 106 states and 137 transitions. [2021-10-28 08:54:17,659 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2021-10-28 08:54:17,659 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 101 [2021-10-28 08:54:17,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 106 states and 137 transitions. [2021-10-28 08:54:17,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:54:17,660 INFO L681 BuchiCegarLoop]: Abstraction has 106 states and 137 transitions. [2021-10-28 08:54:17,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states and 137 transitions. [2021-10-28 08:54:17,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 97. [2021-10-28 08:54:17,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 73 states have internal predecessors, (95), 18 states have call successors, (18), 10 states have call predecessors, (18), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2021-10-28 08:54:17,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 128 transitions. [2021-10-28 08:54:17,666 INFO L704 BuchiCegarLoop]: Abstraction has 97 states and 128 transitions. [2021-10-28 08:54:17,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:17,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 08:54:17,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:54:17,667 INFO L87 Difference]: Start difference. First operand 97 states and 128 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 08:54:17,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:17,711 INFO L93 Difference]: Finished difference Result 108 states and 139 transitions. [2021-10-28 08:54:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:54:17,712 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 139 transitions. [2021-10-28 08:54:17,714 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2021-10-28 08:54:17,717 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 101 states and 131 transitions. [2021-10-28 08:54:17,718 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2021-10-28 08:54:17,719 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2021-10-28 08:54:17,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 131 transitions. [2021-10-28 08:54:17,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:54:17,720 INFO L681 BuchiCegarLoop]: Abstraction has 101 states and 131 transitions. [2021-10-28 08:54:17,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 131 transitions. [2021-10-28 08:54:17,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 97. [2021-10-28 08:54:17,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 71 states have (on average 1.3098591549295775) internal successors, (93), 73 states have internal predecessors, (93), 18 states have call successors, (18), 10 states have call predecessors, (18), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2021-10-28 08:54:17,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 126 transitions. [2021-10-28 08:54:17,733 INFO L704 BuchiCegarLoop]: Abstraction has 97 states and 126 transitions. [2021-10-28 08:54:17,733 INFO L587 BuchiCegarLoop]: Abstraction has 97 states and 126 transitions. [2021-10-28 08:54:17,734 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 08:54:17,734 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 126 transitions. [2021-10-28 08:54:17,737 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2021-10-28 08:54:17,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:54:17,737 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:54:17,739 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:17,739 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 08:54:17,739 INFO L791 eck$LassoCheckResult]: Stem: 2365#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 2337#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_#t~nondet17, main_#t~nondet18, main_#t~ret19, main_#t~short20, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet15;havoc main_#t~nondet15; 2338#L78 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret12, is_prime_~n;is_prime_~n := is_prime_#in~n; 2369#L53 call is_prime_#t~ret12 := is_prime_(is_prime_~n, is_prime_~n - 1);< 2379#is_prime_ENTRY ~n := #in~n;~m := #in~m; 2388#L58 assume !(~n <= 1); 2385#L61 assume !(2 == ~n); 2386#L64 assume ~n > 2; 2383#L65 assume !(~m <= 1); 2370#L68 call #t~ret13 := multiple_of(~n, ~m);< 2391#multiple_ofENTRY ~n := #in~n;~m := #in~m; 2408#L32 assume !(~m < 0); 2404#L35 assume ~n < 0; 2326#L36 call #t~ret10 := multiple_of(-~n, ~m);< 2371#multiple_ofENTRY [2021-10-28 08:54:17,739 INFO L793 eck$LassoCheckResult]: Loop: 2371#multiple_ofENTRY ~n := #in~n;~m := #in~m; 2415#L32 assume !(~m < 0); 2413#L35 assume ~n < 0; 2325#L36 call #t~ret10 := multiple_of(-~n, ~m);< 2371#multiple_ofENTRY [2021-10-28 08:54:17,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:17,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1674187120, now seen corresponding path program 1 times [2021-10-28 08:54:17,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:17,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63992143] [2021-10-28 08:54:17,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:17,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:17,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:17,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:17,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63992143] [2021-10-28 08:54:17,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63992143] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:17,827 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:17,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 08:54:17,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23774684] [2021-10-28 08:54:17,827 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 08:54:17,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:17,828 INFO L85 PathProgramCache]: Analyzing trace with hash 929675, now seen corresponding path program 1 times [2021-10-28 08:54:17,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:17,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077789623] [2021-10-28 08:54:17,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:17,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:17,835 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:17,841 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:17,900 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:54:17,900 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:54:17,900 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:54:17,900 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:54:17,900 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 08:54:17,900 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:17,901 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:54:17,901 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:54:17,901 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration6_Loop [2021-10-28 08:54:17,901 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:54:17,901 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:54:17,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:17,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:17,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:17,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:17,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:17,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:17,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:17,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:17,983 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:54:17,984 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 08:54:17,984 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:17,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:17,985 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:17,990 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:17,990 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:18,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 08:54:18,015 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:18,015 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret10=0} Honda state: {multiple_of_#t~ret10=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:18,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:18,047 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:18,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:18,051 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:18,056 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:18,056 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:18,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 08:54:18,075 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:18,075 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret11=0} Honda state: {multiple_of_#t~ret11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:18,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:18,108 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:18,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:18,109 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:18,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 08:54:18,111 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:18,111 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:18,119 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:18,119 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_~n=0} Honda state: {multiple_of_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:18,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-28 08:54:18,139 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:18,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:18,139 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:18,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 08:54:18,141 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:18,141 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:18,149 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:18,149 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret9=0} Honda state: {multiple_of_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:18,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-28 08:54:18,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:18,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:18,169 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:18,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 08:54:18,173 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:18,173 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:18,181 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:18,181 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#res=0} Honda state: {multiple_of_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:18,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-28 08:54:18,202 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:18,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:18,203 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:18,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 08:54:18,207 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:18,216 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:18,239 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:18,239 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_~m=0} Honda state: {multiple_of_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:18,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:18,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:18,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:18,274 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:18,276 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:18,276 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:18,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 08:54:18,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:18,334 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:18,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:18,335 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:18,337 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 08:54:18,337 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:18,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 08:54:18,384 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 08:54:18,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:18,386 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:54:18,386 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:54:18,386 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:54:18,386 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:54:18,386 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:54:18,386 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:18,387 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:54:18,387 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:54:18,387 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration6_Loop [2021-10-28 08:54:18,387 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:54:18,387 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:54:18,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:18,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:18,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:18,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:18,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:18,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:18,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:18,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:18,451 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:54:18,451 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:54:18,451 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:18,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:18,452 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:18,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:18,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:18,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:18,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:18,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:18,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:18,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 08:54:18,469 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:18,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:18,470 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:18,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-28 08:54:18,490 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:18,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:18,491 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:18,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 08:54:18,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:18,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:18,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:18,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:18,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:18,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:18,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:18,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:18,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:18,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:18,538 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:18,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:18,539 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:18,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 08:54:18,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:18,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:18,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:18,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:18,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:18,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:18,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:18,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:18,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:18,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:18,570 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:18,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:18,572 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:18,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 08:54:18,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:18,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:18,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:18,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:18,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:18,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:18,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:18,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:18,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:18,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-10-28 08:54:18,610 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:18,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:18,611 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:18,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 08:54:18,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:18,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:18,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:18,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:18,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:18,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:18,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:18,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:18,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:18,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-28 08:54:18,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:18,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:18,642 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:18,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 08:54:18,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:18,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:18,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:18,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:18,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:18,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:18,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:18,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:18,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:18,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-10-28 08:54:18,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:18,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:18,676 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:18,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 08:54:18,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:18,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:18,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:18,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:18,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:18,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:18,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:18,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:18,705 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:54:18,706 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-28 08:54:18,706 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 08:54:18,707 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:18,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:18,713 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:18,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 08:54:18,715 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:54:18,715 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 08:54:18,715 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:54:18,716 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_#in~n) = -1*multiple_of_#in~n Supporting invariants [] [2021-10-28 08:54:18,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:18,736 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 08:54:18,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:18,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 08:54:18,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:18,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 08:54:18,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:18,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:18,883 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 08:54:18,883 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 97 states and 126 transitions. cyclomatic complexity: 33 Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:18,935 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 97 states and 126 transitions. cyclomatic complexity: 33. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 200 states and 269 transitions. Complement of second has 13 states. [2021-10-28 08:54:18,936 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 [2021-10-28 08:54:18,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:18,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 56 transitions. [2021-10-28 08:54:18,937 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 56 transitions. Stem has 14 letters. Loop has 4 letters. [2021-10-28 08:54:18,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:18,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 56 transitions. Stem has 18 letters. Loop has 4 letters. [2021-10-28 08:54:18,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:18,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 56 transitions. Stem has 14 letters. Loop has 8 letters. [2021-10-28 08:54:18,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:18,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 200 states and 269 transitions. [2021-10-28 08:54:18,942 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 48 [2021-10-28 08:54:18,946 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 200 states to 188 states and 257 transitions. [2021-10-28 08:54:18,947 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 173 [2021-10-28 08:54:18,947 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 175 [2021-10-28 08:54:18,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 257 transitions. [2021-10-28 08:54:18,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:54:18,948 INFO L681 BuchiCegarLoop]: Abstraction has 188 states and 257 transitions. [2021-10-28 08:54:18,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 257 transitions. [2021-10-28 08:54:18,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 163. [2021-10-28 08:54:18,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 119 states have (on average 1.3277310924369747) internal successors, (158), 125 states have internal predecessors, (158), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (37), 21 states have call predecessors, (37), 22 states have call successors, (37) [2021-10-28 08:54:18,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 223 transitions. [2021-10-28 08:54:18,958 INFO L704 BuchiCegarLoop]: Abstraction has 163 states and 223 transitions. [2021-10-28 08:54:18,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:18,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 08:54:18,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:54:18,959 INFO L87 Difference]: Start difference. First operand 163 states and 223 transitions. Second operand has 7 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:19,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:19,058 INFO L93 Difference]: Finished difference Result 161 states and 218 transitions. [2021-10-28 08:54:19,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:54:19,059 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 161 states and 218 transitions. [2021-10-28 08:54:19,062 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2021-10-28 08:54:19,065 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 161 states to 161 states and 218 transitions. [2021-10-28 08:54:19,065 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 154 [2021-10-28 08:54:19,065 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 154 [2021-10-28 08:54:19,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 161 states and 218 transitions. [2021-10-28 08:54:19,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:54:19,066 INFO L681 BuchiCegarLoop]: Abstraction has 161 states and 218 transitions. [2021-10-28 08:54:19,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states and 218 transitions. [2021-10-28 08:54:19,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2021-10-28 08:54:19,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 119 states have (on average 1.3025210084033614) internal successors, (155), 123 states have internal predecessors, (155), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (37), 21 states have call predecessors, (37), 22 states have call successors, (37) [2021-10-28 08:54:19,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 218 transitions. [2021-10-28 08:54:19,074 INFO L704 BuchiCegarLoop]: Abstraction has 161 states and 218 transitions. [2021-10-28 08:54:19,074 INFO L587 BuchiCegarLoop]: Abstraction has 161 states and 218 transitions. [2021-10-28 08:54:19,074 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 08:54:19,074 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 161 states and 218 transitions. [2021-10-28 08:54:19,076 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2021-10-28 08:54:19,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:54:19,077 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:54:19,077 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:19,077 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 08:54:19,078 INFO L791 eck$LassoCheckResult]: Stem: 3084#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 3053#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_#t~nondet17, main_#t~nondet18, main_#t~ret19, main_#t~short20, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet15;havoc main_#t~nondet15; 3054#L78 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret12, is_prime_~n;is_prime_~n := is_prime_#in~n; 3092#L53 call is_prime_#t~ret12 := is_prime_(is_prime_~n, is_prime_~n - 1);< 3113#is_prime_ENTRY ~n := #in~n;~m := #in~m; 3129#L58 assume !(~n <= 1); 3126#L61 assume !(2 == ~n); 3127#L64 assume ~n > 2; 3123#L65 assume !(~m <= 1); 3124#L68 call #t~ret13 := multiple_of(~n, ~m);< 3171#multiple_ofENTRY ~n := #in~n;~m := #in~m; 3187#L32 assume !(~m < 0); 3185#L35 assume !(~n < 0); 3182#L38 assume !(0 == ~m); 3181#L41 assume !(0 == ~n); 3078#L44 call #t~ret11 := multiple_of(~n - ~m, ~m);< 3122#multiple_ofENTRY [2021-10-28 08:54:19,078 INFO L793 eck$LassoCheckResult]: Loop: 3122#multiple_ofENTRY ~n := #in~n;~m := #in~m; 3120#L32 assume !(~m < 0); 3117#L35 assume !(~n < 0); 3118#L38 assume !(0 == ~m); 3183#L41 assume !(0 == ~n); 3075#L44 call #t~ret11 := multiple_of(~n - ~m, ~m);< 3122#multiple_ofENTRY [2021-10-28 08:54:19,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:19,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1718912949, now seen corresponding path program 1 times [2021-10-28 08:54:19,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:19,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991212500] [2021-10-28 08:54:19,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:19,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:19,091 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:19,105 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:19,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:19,106 INFO L85 PathProgramCache]: Analyzing trace with hash 893418406, now seen corresponding path program 1 times [2021-10-28 08:54:19,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:19,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408855409] [2021-10-28 08:54:19,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:19,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:19,117 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:19,120 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:19,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:19,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1893667952, now seen corresponding path program 2 times [2021-10-28 08:54:19,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:19,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679120501] [2021-10-28 08:54:19,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:19,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:19,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:19,156 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:19,180 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:19,276 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:54:19,276 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:54:19,276 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:54:19,276 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:54:19,276 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 08:54:19,277 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:19,277 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:54:19,277 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:54:19,277 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration7_Loop [2021-10-28 08:54:19,277 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:54:19,277 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:54:19,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:19,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:19,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:19,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:19,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:19,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:19,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:19,368 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:54:19,369 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 08:54:19,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:19,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:19,369 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:19,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 08:54:19,371 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:19,371 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:19,388 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:19,389 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#res=0} Honda state: {multiple_of_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:19,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:19,408 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:19,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:19,410 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:19,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 08:54:19,413 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:19,413 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:19,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-28 08:54:19,456 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:19,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:19,457 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:19,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 08:54:19,459 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 08:54:19,459 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:19,691 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 08:54:19,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:19,696 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:54:19,696 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:54:19,696 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:54:19,696 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:54:19,696 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:54:19,697 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:19,697 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:54:19,697 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:54:19,697 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration7_Loop [2021-10-28 08:54:19,697 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:54:19,697 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:54:19,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:19,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:19,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:19,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:19,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:19,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:19,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:19,792 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:54:19,793 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:54:19,793 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:19,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:19,794 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:19,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-28 08:54:19,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:19,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:19,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:19,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:19,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:19,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:19,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:19,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:19,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:19,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:19,857 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:19,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:19,858 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:19,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:19,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-28 08:54:19,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:19,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:19,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:19,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:19,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:19,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:19,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:19,900 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:54:19,904 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 08:54:19,904 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 08:54:19,904 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:19,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:19,907 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:19,909 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:54:19,909 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 08:54:19,909 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:54:19,909 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_#in~n) = 1*multiple_of_#in~n Supporting invariants [] [2021-10-28 08:54:19,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-28 08:54:19,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:19,935 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 08:54:19,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:19,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 08:54:19,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:20,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 08:54:20,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:20,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:20,186 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2021-10-28 08:54:20,186 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 161 states and 218 transitions. cyclomatic complexity: 64 Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:20,329 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 161 states and 218 transitions. cyclomatic complexity: 64. Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 214 states and 288 transitions. Complement of second has 25 states. [2021-10-28 08:54:20,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2021-10-28 08:54:20,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:20,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 43 transitions. [2021-10-28 08:54:20,330 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 43 transitions. Stem has 16 letters. Loop has 6 letters. [2021-10-28 08:54:20,331 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:20,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 43 transitions. Stem has 22 letters. Loop has 6 letters. [2021-10-28 08:54:20,331 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:20,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 43 transitions. Stem has 16 letters. Loop has 12 letters. [2021-10-28 08:54:20,331 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:20,332 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 214 states and 288 transitions. [2021-10-28 08:54:20,336 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 48 [2021-10-28 08:54:20,340 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 214 states to 202 states and 274 transitions. [2021-10-28 08:54:20,341 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2021-10-28 08:54:20,341 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 181 [2021-10-28 08:54:20,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 202 states and 274 transitions. [2021-10-28 08:54:20,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:54:20,342 INFO L681 BuchiCegarLoop]: Abstraction has 202 states and 274 transitions. [2021-10-28 08:54:20,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states and 274 transitions. [2021-10-28 08:54:20,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 177. [2021-10-28 08:54:20,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 132 states have (on average 1.2954545454545454) internal successors, (171), 137 states have internal predecessors, (171), 28 states have call successors, (28), 18 states have call predecessors, (28), 17 states have return successors, (41), 21 states have call predecessors, (41), 23 states have call successors, (41) [2021-10-28 08:54:20,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 240 transitions. [2021-10-28 08:54:20,351 INFO L704 BuchiCegarLoop]: Abstraction has 177 states and 240 transitions. [2021-10-28 08:54:20,351 INFO L587 BuchiCegarLoop]: Abstraction has 177 states and 240 transitions. [2021-10-28 08:54:20,351 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 08:54:20,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 177 states and 240 transitions. [2021-10-28 08:54:20,354 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2021-10-28 08:54:20,354 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:54:20,354 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:54:20,355 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:20,355 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 08:54:20,355 INFO L791 eck$LassoCheckResult]: Stem: 3581#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 3547#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_#t~nondet17, main_#t~nondet18, main_#t~ret19, main_#t~short20, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet15;havoc main_#t~nondet15; 3548#L78 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret12, is_prime_~n;is_prime_~n := is_prime_#in~n; 3589#L53 call is_prime_#t~ret12 := is_prime_(is_prime_~n, is_prime_~n - 1);< 3610#is_prime_ENTRY ~n := #in~n;~m := #in~m; 3628#L58 assume !(~n <= 1); 3627#L61 assume 2 == ~n;#res := 1; 3625#is_prime_FINAL assume true; 3616#is_prime_EXIT >#118#return; 3607#L53-1 is_prime_#res := is_prime_#t~ret12;havoc is_prime_#t~ret12; 3540#L53-2 main_#t~ret16 := is_prime_#res;main_~result~0 := main_#t~ret16;havoc main_#t~ret16;main_~f1~0 := main_#t~nondet17;havoc main_#t~nondet17; 3541#L85 assume !(main_~f1~0 < 1 || main_~f1~0 > 46340);main_~f2~0 := main_#t~nondet18;havoc main_#t~nondet18; 3545#L91 assume !(main_~f2~0 < 1 || main_~f2~0 > 46340);main_#t~short20 := 1 == main_~result~0; 3549#L97 assume main_#t~short20; 3550#L97-1 call main_#t~ret19 := mult(main_~f1~0, main_~f2~0);< 3577#multENTRY ~n := #in~n;~m := #in~m; 3578#L18 assume !(~m < 0); 3579#L21 [2021-10-28 08:54:20,355 INFO L793 eck$LassoCheckResult]: Loop: 3579#L21 assume !(0 == ~m); 3556#L24 assume !(1 == ~m); 3559#L27 call #t~ret8 := mult(~n, ~m - 1);< 3565#multENTRY ~n := #in~n;~m := #in~m; 3588#L18 assume !(~m < 0); 3579#L21 [2021-10-28 08:54:20,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:20,356 INFO L85 PathProgramCache]: Analyzing trace with hash 2081524284, now seen corresponding path program 1 times [2021-10-28 08:54:20,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:20,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15892548] [2021-10-28 08:54:20,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:20,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:20,368 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:20,381 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:20,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:20,382 INFO L85 PathProgramCache]: Analyzing trace with hash 61272212, now seen corresponding path program 1 times [2021-10-28 08:54:20,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:20,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820291321] [2021-10-28 08:54:20,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:20,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:20,387 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:20,402 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:20,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:20,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1269404473, now seen corresponding path program 1 times [2021-10-28 08:54:20,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:20,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608380695] [2021-10-28 08:54:20,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:20,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:20,416 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:20,471 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:20,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:20,587 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:54:20,587 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:54:20,587 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:54:20,587 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:54:20,587 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 08:54:20,587 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:20,587 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:54:20,587 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:54:20,587 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration8_Loop [2021-10-28 08:54:20,588 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:54:20,588 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:54:20,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:20,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:20,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:20,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:20,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:20,655 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:54:20,655 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 08:54:20,656 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:20,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:20,657 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:20,668 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:20,668 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:20,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-28 08:54:20,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:20,742 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:20,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:20,743 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:20,745 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 08:54:20,746 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:20,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-28 08:54:22,348 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 08:54:22,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:22,351 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:54:22,352 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:54:22,352 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:54:22,352 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:54:22,352 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:54:22,352 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:22,352 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:54:22,352 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:54:22,352 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration8_Loop [2021-10-28 08:54:22,352 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:54:22,352 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:54:22,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:22,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:22,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:22,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:22,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:22,406 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:54:22,406 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:54:22,406 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:22,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:22,407 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:22,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-28 08:54:22,409 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:22,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:22,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:22,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:22,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:22,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:22,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:22,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:22,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:22,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:22,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:22,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:22,440 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:22,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-28 08:54:22,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:22,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:22,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:22,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:22,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:22,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:22,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:22,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:22,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:22,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:22,506 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:22,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:22,506 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:22,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-28 08:54:22,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:22,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:22,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:22,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:22,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:22,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:22,517 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:22,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:22,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:22,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-28 08:54:22,567 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:22,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:22,568 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:22,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:22,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:22,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:22,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:22,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:22,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:22,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:22,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:22,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-28 08:54:22,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:22,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:22,631 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:22,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:22,632 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:22,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:22,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:22,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:22,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:22,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:22,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:22,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:22,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:22,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-28 08:54:22,656 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:54:22,672 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 08:54:22,672 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 08:54:22,672 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:22,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:22,675 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:22,679 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:54:22,679 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 08:54:22,679 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:54:22,680 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_~m) = 1*mult_~m Supporting invariants [] [2021-10-28 08:54:22,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-28 08:54:22,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:22,715 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 08:54:22,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:22,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 08:54:22,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:22,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 08:54:22,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:23,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:23,067 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2021-10-28 08:54:23,067 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 177 states and 240 transitions. cyclomatic complexity: 71 Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 08:54:23,286 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 177 states and 240 transitions. cyclomatic complexity: 71. Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 201 states and 267 transitions. Complement of second has 25 states. [2021-10-28 08:54:23,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2021-10-28 08:54:23,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 08:54:23,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 52 transitions. [2021-10-28 08:54:23,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 17 letters. Loop has 5 letters. [2021-10-28 08:54:23,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:23,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 22 letters. Loop has 5 letters. [2021-10-28 08:54:23,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:23,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 17 letters. Loop has 10 letters. [2021-10-28 08:54:23,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:23,289 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 201 states and 267 transitions. [2021-10-28 08:54:23,294 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2021-10-28 08:54:23,298 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 201 states to 200 states and 266 transitions. [2021-10-28 08:54:23,299 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 173 [2021-10-28 08:54:23,299 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 176 [2021-10-28 08:54:23,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 200 states and 266 transitions. [2021-10-28 08:54:23,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:54:23,300 INFO L681 BuchiCegarLoop]: Abstraction has 200 states and 266 transitions. [2021-10-28 08:54:23,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states and 266 transitions. [2021-10-28 08:54:23,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 187. [2021-10-28 08:54:23,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 140 states have (on average 1.292857142857143) internal successors, (181), 145 states have internal predecessors, (181), 30 states have call successors, (30), 20 states have call predecessors, (30), 17 states have return successors, (41), 21 states have call predecessors, (41), 23 states have call successors, (41) [2021-10-28 08:54:23,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 252 transitions. [2021-10-28 08:54:23,315 INFO L704 BuchiCegarLoop]: Abstraction has 187 states and 252 transitions. [2021-10-28 08:54:23,315 INFO L587 BuchiCegarLoop]: Abstraction has 187 states and 252 transitions. [2021-10-28 08:54:23,315 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 08:54:23,316 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 187 states and 252 transitions. [2021-10-28 08:54:23,319 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2021-10-28 08:54:23,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:54:23,319 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:54:23,321 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:23,321 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 08:54:23,321 INFO L791 eck$LassoCheckResult]: Stem: 4084#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 4045#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_#t~nondet17, main_#t~nondet18, main_#t~ret19, main_#t~short20, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet15;havoc main_#t~nondet15; 4046#L78 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret12, is_prime_~n;is_prime_~n := is_prime_#in~n; 4092#L53 call is_prime_#t~ret12 := is_prime_(is_prime_~n, is_prime_~n - 1);< 4115#is_prime_ENTRY ~n := #in~n;~m := #in~m; 4127#L58 assume !(~n <= 1); 4125#L61 assume 2 == ~n;#res := 1; 4122#is_prime_FINAL assume true; 4119#is_prime_EXIT >#118#return; 4112#L53-1 is_prime_#res := is_prime_#t~ret12;havoc is_prime_#t~ret12; 4037#L53-2 main_#t~ret16 := is_prime_#res;main_~result~0 := main_#t~ret16;havoc main_#t~ret16;main_~f1~0 := main_#t~nondet17;havoc main_#t~nondet17; 4038#L85 assume !(main_~f1~0 < 1 || main_~f1~0 > 46340);main_~f2~0 := main_#t~nondet18;havoc main_#t~nondet18; 4042#L91 assume !(main_~f2~0 < 1 || main_~f2~0 > 46340);main_#t~short20 := 1 == main_~result~0; 4047#L97 assume main_#t~short20; 4048#L97-1 call main_#t~ret19 := mult(main_~f1~0, main_~f2~0);< 4078#multENTRY ~n := #in~n;~m := #in~m; 4079#L18 assume !(~m < 0); 4080#L21 assume !(0 == ~m); 4054#L24 assume !(1 == ~m); 4056#L27 call #t~ret8 := mult(~n, ~m - 1);< 4082#multENTRY ~n := #in~n;~m := #in~m; 4217#L18 assume ~m < 0; 4064#L19 [2021-10-28 08:54:23,322 INFO L793 eck$LassoCheckResult]: Loop: 4064#L19 call #t~ret7 := mult(~n, -~m);< 4066#multENTRY ~n := #in~n;~m := #in~m; 4091#L18 assume ~m < 0; 4064#L19 [2021-10-28 08:54:23,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:23,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1269404470, now seen corresponding path program 1 times [2021-10-28 08:54:23,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:23,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816438805] [2021-10-28 08:54:23,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:23,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:23,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-28 08:54:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:23,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:23,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:23,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816438805] [2021-10-28 08:54:23,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816438805] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:54:23,450 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:54:23,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:54:23,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024923208] [2021-10-28 08:54:23,450 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 08:54:23,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:23,451 INFO L85 PathProgramCache]: Analyzing trace with hash 139155, now seen corresponding path program 2 times [2021-10-28 08:54:23,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:23,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135795431] [2021-10-28 08:54:23,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:23,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:23,456 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:23,471 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:23,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:23,533 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:54:23,534 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:54:23,534 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:54:23,534 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:54:23,534 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 08:54:23,534 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:23,534 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:54:23,535 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:54:23,535 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration9_Loop [2021-10-28 08:54:23,535 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:54:23,535 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:54:23,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:23,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:23,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:23,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:23,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:23,596 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:54:23,596 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 08:54:23,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:23,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:23,599 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:23,608 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:23,608 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:23,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-28 08:54:23,643 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:23,643 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret7=0} Honda state: {mult_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:23,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:23,681 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:23,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:23,682 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:23,686 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:23,686 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:23,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-28 08:54:23,715 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:23,715 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret8=0} Honda state: {mult_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:23,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:23,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:23,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:23,754 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:23,756 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:23,756 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:23,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-28 08:54:23,791 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:54:23,791 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~n=-8, mult_#in~n=-8} Honda state: {mult_~n=-8, mult_#in~n=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:54:23,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:23,835 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:23,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:23,836 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:23,839 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:54:23,839 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:23,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-28 08:54:23,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:23,914 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:23,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:23,915 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:23,919 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 08:54:23,919 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:54:23,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-28 08:54:25,550 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 08:54:25,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:25,554 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:54:25,554 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:54:25,554 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:54:25,554 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:54:25,554 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:54:25,554 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:25,554 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:54:25,554 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:54:25,554 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration9_Loop [2021-10-28 08:54:25,554 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:54:25,554 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:54:25,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:25,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:25,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:25,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:25,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:54:25,633 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:54:25,633 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:54:25,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:25,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:25,635 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:25,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:25,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:25,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:25,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:25,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:25,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:25,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:25,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:25,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-28 08:54:25,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:25,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-10-28 08:54:25,690 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:25,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:25,691 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:25,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-28 08:54:25,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:25,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:25,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:25,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:25,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:25,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:25,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:25,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:25,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:25,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-10-28 08:54:25,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:25,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:25,724 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:25,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-28 08:54:25,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:25,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:25,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:25,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:25,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:25,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:25,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:25,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:25,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:54:25,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-10-28 08:54:25,759 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:25,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:25,760 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:25,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-28 08:54:25,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:54:25,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:54:25,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:54:25,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:54:25,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:54:25,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:54:25,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:54:25,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:54:25,772 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:54:25,775 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-28 08:54:25,775 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 08:54:25,775 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:54:25,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:25,776 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:54:25,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-28 08:54:25,777 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:54:25,777 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 08:54:25,777 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:54:25,777 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_~m) = 1*mult_~m Supporting invariants [] [2021-10-28 08:54:25,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-10-28 08:54:25,800 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 08:54:25,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:25,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 08:54:25,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:26,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 08:54:26,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:26,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:26,063 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-10-28 08:54:26,064 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 187 states and 252 transitions. cyclomatic complexity: 74 Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 08:54:26,157 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 187 states and 252 transitions. cyclomatic complexity: 74. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 228 states and 298 transitions. Complement of second has 11 states. [2021-10-28 08:54:26,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 08:54:26,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 08:54:26,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 54 transitions. [2021-10-28 08:54:26,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 22 letters. Loop has 3 letters. [2021-10-28 08:54:26,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:26,166 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 25 letters. Loop has 3 letters. [2021-10-28 08:54:26,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:26,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 22 letters. Loop has 6 letters. [2021-10-28 08:54:26,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:54:26,167 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 228 states and 298 transitions. [2021-10-28 08:54:26,172 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2021-10-28 08:54:26,176 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 228 states to 218 states and 288 transitions. [2021-10-28 08:54:26,176 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 184 [2021-10-28 08:54:26,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 186 [2021-10-28 08:54:26,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 218 states and 288 transitions. [2021-10-28 08:54:26,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:54:26,177 INFO L681 BuchiCegarLoop]: Abstraction has 218 states and 288 transitions. [2021-10-28 08:54:26,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states and 288 transitions. [2021-10-28 08:54:26,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 205. [2021-10-28 08:54:26,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 154 states have (on average 1.2727272727272727) internal successors, (196), 158 states have internal predecessors, (196), 34 states have call successors, (37), 25 states have call predecessors, (37), 17 states have return successors, (41), 21 states have call predecessors, (41), 23 states have call successors, (41) [2021-10-28 08:54:26,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 274 transitions. [2021-10-28 08:54:26,192 INFO L704 BuchiCegarLoop]: Abstraction has 205 states and 274 transitions. [2021-10-28 08:54:26,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:26,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:54:26,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:54:26,193 INFO L87 Difference]: Start difference. First operand 205 states and 274 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-28 08:54:26,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:26,225 INFO L93 Difference]: Finished difference Result 201 states and 265 transitions. [2021-10-28 08:54:26,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:54:26,225 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 201 states and 265 transitions. [2021-10-28 08:54:26,229 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2021-10-28 08:54:26,232 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 201 states to 145 states and 177 transitions. [2021-10-28 08:54:26,232 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2021-10-28 08:54:26,233 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2021-10-28 08:54:26,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 177 transitions. [2021-10-28 08:54:26,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:54:26,234 INFO L681 BuchiCegarLoop]: Abstraction has 145 states and 177 transitions. [2021-10-28 08:54:26,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 177 transitions. [2021-10-28 08:54:26,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 125. [2021-10-28 08:54:26,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 95 states have (on average 1.1368421052631579) internal successors, (108), 100 states have internal predecessors, (108), 18 states have call successors, (18), 13 states have call predecessors, (18), 12 states have return successors, (28), 11 states have call predecessors, (28), 14 states have call successors, (28) [2021-10-28 08:54:26,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 154 transitions. [2021-10-28 08:54:26,240 INFO L704 BuchiCegarLoop]: Abstraction has 125 states and 154 transitions. [2021-10-28 08:54:26,240 INFO L587 BuchiCegarLoop]: Abstraction has 125 states and 154 transitions. [2021-10-28 08:54:26,240 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-28 08:54:26,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 154 transitions. [2021-10-28 08:54:26,242 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2021-10-28 08:54:26,242 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:54:26,242 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:54:26,243 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:26,244 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:26,244 INFO L791 eck$LassoCheckResult]: Stem: 4974#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 4975#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_#t~nondet17, main_#t~nondet18, main_#t~ret19, main_#t~short20, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet15;havoc main_#t~nondet15; 4985#L78 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret12, is_prime_~n;is_prime_~n := is_prime_#in~n; 4978#L53 call is_prime_#t~ret12 := is_prime_(is_prime_~n, is_prime_~n - 1);< 5020#is_prime_ENTRY ~n := #in~n;~m := #in~m; 5037#L58 assume !(~n <= 1); 5036#L61 assume !(2 == ~n); 5035#L64 assume ~n > 2; 5034#L65 assume !(~m <= 1); 5000#L68 call #t~ret13 := multiple_of(~n, ~m);< 5033#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5032#L32 assume !(~m < 0); 5031#L35 assume !(~n < 0); 5030#L38 assume !(0 == ~m); 5029#L41 assume !(0 == ~n); 4983#L44 call #t~ret11 := multiple_of(~n - ~m, ~m);< 5024#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5025#L32 assume !(~m < 0); 5059#L35 assume ~n < 0; 4991#L36 call #t~ret10 := multiple_of(-~n, ~m);< 5027#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5028#L32 assume !(~m < 0); 5050#L35 assume !(~n < 0); 5049#L38 assume !(0 == ~m); 5048#L41 assume !(0 == ~n); 5013#L44 [2021-10-28 08:54:26,244 INFO L793 eck$LassoCheckResult]: Loop: 5013#L44 call #t~ret11 := multiple_of(~n - ~m, ~m);< 5054#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5053#L32 assume !(~m < 0); 5051#L35 assume ~n < 0; 4987#L36 call #t~ret10 := multiple_of(-~n, ~m);< 4988#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5058#L32 assume !(~m < 0); 5055#L35 assume !(~n < 0); 5056#L38 assume !(0 == ~m); 5046#L41 assume !(0 == ~n); 5013#L44 [2021-10-28 08:54:26,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:26,245 INFO L85 PathProgramCache]: Analyzing trace with hash -155061355, now seen corresponding path program 1 times [2021-10-28 08:54:26,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:26,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558307119] [2021-10-28 08:54:26,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:26,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:26,307 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:26,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:54:26,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558307119] [2021-10-28 08:54:26,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558307119] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:54:26,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501442513] [2021-10-28 08:54:26,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:26,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:54:26,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:54:26,309 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:54:26,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Waiting until timeout for monitored process [2021-10-28 08:54:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:54:26,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 08:54:26,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:54:26,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:26,614 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:54:26,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501442513] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:54:26,615 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:54:26,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2021-10-28 08:54:26,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133089936] [2021-10-28 08:54:26,617 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 08:54:26,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:26,618 INFO L85 PathProgramCache]: Analyzing trace with hash -2044787022, now seen corresponding path program 1 times [2021-10-28 08:54:26,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:26,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417545152] [2021-10-28 08:54:26,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:26,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:26,630 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:26,643 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:26,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:54:26,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 08:54:26,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:54:26,948 INFO L87 Difference]: Start difference. First operand 125 states and 154 transitions. cyclomatic complexity: 35 Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 5 states have internal predecessors, (21), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:54:27,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:54:27,078 INFO L93 Difference]: Finished difference Result 147 states and 183 transitions. [2021-10-28 08:54:27,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 08:54:27,079 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 147 states and 183 transitions. [2021-10-28 08:54:27,081 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2021-10-28 08:54:27,084 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 147 states to 145 states and 181 transitions. [2021-10-28 08:54:27,084 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 130 [2021-10-28 08:54:27,084 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 130 [2021-10-28 08:54:27,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 181 transitions. [2021-10-28 08:54:27,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 08:54:27,085 INFO L681 BuchiCegarLoop]: Abstraction has 145 states and 181 transitions. [2021-10-28 08:54:27,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 181 transitions. [2021-10-28 08:54:27,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2021-10-28 08:54:27,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 110 states have (on average 1.1090909090909091) internal successors, (122), 114 states have internal predecessors, (122), 20 states have call successors, (20), 15 states have call predecessors, (20), 13 states have return successors, (31), 13 states have call predecessors, (31), 17 states have call successors, (31) [2021-10-28 08:54:27,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 173 transitions. [2021-10-28 08:54:27,093 INFO L704 BuchiCegarLoop]: Abstraction has 143 states and 173 transitions. [2021-10-28 08:54:27,093 INFO L587 BuchiCegarLoop]: Abstraction has 143 states and 173 transitions. [2021-10-28 08:54:27,093 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-28 08:54:27,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 143 states and 173 transitions. [2021-10-28 08:54:27,095 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2021-10-28 08:54:27,095 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:54:27,095 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:54:27,098 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:27,098 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-10-28 08:54:27,098 INFO L791 eck$LassoCheckResult]: Stem: 5334#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 5335#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_#t~nondet17, main_#t~nondet18, main_#t~ret19, main_#t~short20, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet15;havoc main_#t~nondet15; 5356#L78 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret12, is_prime_~n;is_prime_~n := is_prime_#in~n; 5347#L53 call is_prime_#t~ret12 := is_prime_(is_prime_~n, is_prime_~n - 1);< 5385#is_prime_ENTRY ~n := #in~n;~m := #in~m; 5405#L58 assume !(~n <= 1); 5404#L61 assume !(2 == ~n); 5403#L64 assume ~n > 2; 5402#L65 assume !(~m <= 1); 5396#L68 call #t~ret13 := multiple_of(~n, ~m);< 5401#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5400#L32 assume !(~m < 0); 5399#L35 assume !(~n < 0); 5398#L38 assume !(0 == ~m); 5397#L41 assume !(0 == ~n); 5354#L44 call #t~ret11 := multiple_of(~n - ~m, ~m);< 5395#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5365#L32 assume !(~m < 0); 5366#L35 assume !(~n < 0); 5353#L38 assume !(0 == ~m); 5355#L41 assume !(0 == ~n); 5343#L44 call #t~ret11 := multiple_of(~n - ~m, ~m);< 5374#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5375#L32 assume !(~m < 0); 5438#L35 assume ~n < 0; 5359#L36 call #t~ret10 := multiple_of(-~n, ~m);< 5391#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5392#L32 assume !(~m < 0); 5472#L35 assume !(~n < 0); 5471#L38 assume !(0 == ~m); 5470#L41 assume !(0 == ~n); 5338#L44 [2021-10-28 08:54:27,100 INFO L793 eck$LassoCheckResult]: Loop: 5338#L44 call #t~ret11 := multiple_of(~n - ~m, ~m);< 5381#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5476#L32 assume !(~m < 0); 5473#L35 assume ~n < 0; 5351#L36 call #t~ret10 := multiple_of(-~n, ~m);< 5357#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5373#L32 assume !(~m < 0); 5475#L35 assume !(~n < 0); 5349#L38 assume !(0 == ~m); 5352#L41 assume !(0 == ~n); 5338#L44 [2021-10-28 08:54:27,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:27,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1134874352, now seen corresponding path program 2 times [2021-10-28 08:54:27,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:27,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136935841] [2021-10-28 08:54:27,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:27,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:27,133 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:27,159 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:27,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:27,160 INFO L85 PathProgramCache]: Analyzing trace with hash -2044787022, now seen corresponding path program 2 times [2021-10-28 08:54:27,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:27,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815117764] [2021-10-28 08:54:27,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:27,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:27,167 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:27,177 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:27,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:54:27,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1280798977, now seen corresponding path program 3 times [2021-10-28 08:54:27,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:54:27,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942771517] [2021-10-28 08:54:27,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:54:27,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:54:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:27,196 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:54:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:54:27,231 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:54:28,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 08:54:28 BoogieIcfgContainer [2021-10-28 08:54:28,924 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 08:54:28,925 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:54:28,925 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:54:28,925 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:54:28,926 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:54:09" (3/4) ... [2021-10-28 08:54:28,929 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 08:54:28,995 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:54:28,995 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:54:28,997 INFO L168 Benchmark]: Toolchain (without parser) took 21006.00 ms. Allocated memory was 107.0 MB in the beginning and 167.8 MB in the end (delta: 60.8 MB). Free memory was 73.9 MB in the beginning and 64.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 69.8 MB. Max. memory is 16.1 GB. [2021-10-28 08:54:28,998 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 77.6 MB. Free memory was 51.8 MB in the beginning and 51.7 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:54:28,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.06 ms. Allocated memory is still 107.0 MB. Free memory was 73.6 MB in the beginning and 83.2 MB in the end (delta: -9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:54:29,000 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.00 ms. Allocated memory is still 107.0 MB. Free memory was 83.2 MB in the beginning and 81.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:54:29,001 INFO L168 Benchmark]: Boogie Preprocessor took 52.22 ms. Allocated memory is still 107.0 MB. Free memory was 81.8 MB in the beginning and 80.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:54:29,001 INFO L168 Benchmark]: RCFGBuilder took 488.79 ms. Allocated memory is still 107.0 MB. Free memory was 80.6 MB in the beginning and 68.6 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 08:54:29,002 INFO L168 Benchmark]: BuchiAutomizer took 19903.30 ms. Allocated memory was 107.0 MB in the beginning and 167.8 MB in the end (delta: 60.8 MB). Free memory was 68.6 MB in the beginning and 66.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 91.7 MB. Max. memory is 16.1 GB. [2021-10-28 08:54:29,002 INFO L168 Benchmark]: Witness Printer took 70.80 ms. Allocated memory is still 167.8 MB. Free memory was 66.5 MB in the beginning and 64.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:54:29,006 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 77.6 MB. Free memory was 51.8 MB in the beginning and 51.7 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 426.06 ms. Allocated memory is still 107.0 MB. Free memory was 73.6 MB in the beginning and 83.2 MB in the end (delta: -9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.00 ms. Allocated memory is still 107.0 MB. Free memory was 83.2 MB in the beginning and 81.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.22 ms. Allocated memory is still 107.0 MB. Free memory was 81.8 MB in the beginning and 80.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 488.79 ms. Allocated memory is still 107.0 MB. Free memory was 80.6 MB in the beginning and 68.6 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 19903.30 ms. Allocated memory was 107.0 MB in the beginning and 167.8 MB in the end (delta: 60.8 MB). Free memory was 68.6 MB in the beginning and 66.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 91.7 MB. Max. memory is 16.1 GB. * Witness Printer took 70.80 ms. Allocated memory is still 167.8 MB. Free memory was 66.5 MB in the beginning and 64.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. 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 15 terminating modules (8 trivial, 7 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function \old(m) and consists of 13 locations. One deterministic module has affine ranking function m and consists of 5 locations. One deterministic module has affine ranking function -1 * \old(m) and consists of 5 locations. One deterministic module has affine ranking function -1 * \old(n) and consists of 4 locations. One deterministic module has affine ranking function \old(n) and consists of 7 locations. One deterministic module has affine ranking function m and consists of 8 locations. One deterministic module has affine ranking function m and consists of 5 locations. 8 modules have a trivial ranking function, the largest among these consists of 10 locations. The remainder module has 143 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 19.8s and 11 iterations. TraceHistogramMax:4. Analysis of lassos took 15.2s. Construction of modules took 0.8s. Büchi inclusion checks took 3.1s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 11. Automata minimization 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 265 StatesRemovedByMinimization, 14 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 187 states and ocurred in iteration 8. Nontrivial modules had stage [7, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/7 HoareTripleCheckerStatistics: 661 SDtfs, 664 SDslu, 1255 SDs, 0 SdLazy, 908 SolverSat, 206 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT2 conc0 concLT1 SILN1 SILU0 SILI0 SILT4 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax100 hnf100 lsp78 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq173 hnf92 smp90 dnf100 smp100 tf109 neg98 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 23 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 7 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 6.6s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 44]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=9945} State at position 1 is {n=0, NULL=9946, NULL=0, NULL=9948, \result=0, NULL=9945, f1=0, m=0, n=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4767d40b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20337671=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7271655=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56110eb8=0, NULL=0, result=0, f2=0, m=2, n=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@4810a64d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e52d059=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47c2c1c8=0, \result=0, NULL=9948, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8e6450=0, NULL=0, NULL=0, NULL=0, NULL=9947, NULL=9947, \old(n)=1, \old(m)=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3385b451=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a03e27=0, n=0, NULL=9946, NULL=0, NULL=0, \old(n)=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3aa9e09c=0, \result=0, \old(m)=0, \old(n)=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33339160=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 44]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L77] int n = __VERIFIER_nondet_int(); [L78] COND FALSE !(n < 1 || n > 46340) [L53] CALL is_prime_(n, n - 1) [L58] COND FALSE !(n <= 1) [L61] COND FALSE !(n == 2) [L64] COND TRUE n > 2 [L65] COND FALSE !(m <= 1) [L68] CALL multiple_of(n, m) [L32] COND FALSE !(m < 0) [L35] COND FALSE !(n < 0) [L38] COND FALSE !(m == 0) [L41] COND FALSE !(n == 0) [L44] CALL multiple_of(n - m, m) [L32] COND FALSE !(m < 0) [L35] COND FALSE !(n < 0) [L38] COND FALSE !(m == 0) [L41] COND FALSE !(n == 0) [L44] CALL multiple_of(n - m, m) [L32] COND FALSE !(m < 0) [L35] COND TRUE n < 0 [L36] CALL multiple_of(-n, m) [L32] COND FALSE !(m < 0) [L35] COND FALSE !(n < 0) [L38] COND FALSE !(m == 0) [L41] COND FALSE !(n == 0) Loop: [L44] CALL multiple_of(n - m, m) [L32] COND FALSE !(m < 0) [L35] COND TRUE n < 0 [L36] CALL multiple_of(-n, m) [L32] COND FALSE !(m < 0) [L35] COND FALSE !(n < 0) [L38] COND FALSE !(m == 0) [L41] COND FALSE !(n == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 08:54:29,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:29,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:54:29,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13e3637e-1f6c-40f2-9fb7-d6c27062ea36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...