./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 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Primes.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN --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 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:35:00,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:35:00,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:35:00,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:35:00,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:35:00,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:35:00,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:35:00,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:35:00,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:35:00,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:35:00,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:35:00,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:35:00,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:35:00,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:35:00,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:35:00,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:35:00,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:35:00,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:35:00,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:35:00,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:35:00,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:35:00,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:35:00,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:35:00,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:35:00,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:35:00,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:35:00,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:35:00,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:35:00,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:35:00,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:35:00,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:35:00,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:35:00,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:35:00,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:35:00,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:35:00,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:35:00,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:35:00,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:35:00,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:35:00,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:35:00,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:35:00,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 09:35:00,464 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:35:00,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:35:00,465 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:35:00,466 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:35:00,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:35:00,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:35:00,468 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:35:00,468 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 09:35:00,468 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 09:35:00,469 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 09:35:00,470 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 09:35:00,471 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 09:35:00,471 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 09:35:00,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:35:00,471 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 09:35:00,472 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 09:35:00,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:35:00,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 09:35:00,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:35:00,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 09:35:00,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 09:35:00,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 09:35:00,473 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 09:35:00,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:35:00,474 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 09:35:00,474 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:35:00,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 09:35:00,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:35:00,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:35:00,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:35:00,476 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:35:00,478 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 09:35:00,479 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_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16beca065b3aeb336c54dcf96f3abbe61553e7d28b28c1a40f525ad89a5da56e [2022-11-20 09:35:00,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:35:00,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:35:00,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:35:00,907 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:35:00,907 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:35:00,909 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/recursive/Primes.c [2022-11-20 09:35:04,679 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:35:04,890 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:35:04,890 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/sv-benchmarks/c/recursive/Primes.c [2022-11-20 09:35:04,899 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/data/43323ac96/d0d26cdba8b54c899f1ea329ca5289c4/FLAG0324eac0e [2022-11-20 09:35:04,917 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/data/43323ac96/d0d26cdba8b54c899f1ea329ca5289c4 [2022-11-20 09:35:04,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:35:04,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:35:04,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:35:04,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:35:04,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:35:04,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:35:04" (1/1) ... [2022-11-20 09:35:04,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64220003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:04, skipping insertion in model container [2022-11-20 09:35:04,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:35:04" (1/1) ... [2022-11-20 09:35:04,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:35:04,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:35:05,266 WARN L237 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_69ca373a-698e-43c6-a64b-2bf1109ac937/sv-benchmarks/c/recursive/Primes.c[2190,2203] [2022-11-20 09:35:05,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:35:05,288 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:35:05,337 WARN L237 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_69ca373a-698e-43c6-a64b-2bf1109ac937/sv-benchmarks/c/recursive/Primes.c[2190,2203] [2022-11-20 09:35:05,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:35:05,361 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:35:05,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:05 WrapperNode [2022-11-20 09:35:05,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:35:05,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:35:05,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:35:05,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:35:05,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:05" (1/1) ... [2022-11-20 09:35:05,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:05" (1/1) ... [2022-11-20 09:35:05,412 INFO L138 Inliner]: procedures = 16, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2022-11-20 09:35:05,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:35:05,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:35:05,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:35:05,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:35:05,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:05" (1/1) ... [2022-11-20 09:35:05,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:05" (1/1) ... [2022-11-20 09:35:05,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:05" (1/1) ... [2022-11-20 09:35:05,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:05" (1/1) ... [2022-11-20 09:35:05,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:05" (1/1) ... [2022-11-20 09:35:05,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:05" (1/1) ... [2022-11-20 09:35:05,459 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:05" (1/1) ... [2022-11-20 09:35:05,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:05" (1/1) ... [2022-11-20 09:35:05,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:35:05,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:35:05,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:35:05,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:35:05,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:05" (1/1) ... [2022-11-20 09:35:05,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:05,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:05,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:05,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 09:35:05,575 INFO L130 BoogieDeclarations]: Found specification of procedure multiple_of [2022-11-20 09:35:05,575 INFO L138 BoogieDeclarations]: Found implementation of procedure multiple_of [2022-11-20 09:35:05,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:35:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2022-11-20 09:35:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2022-11-20 09:35:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure is_prime_ [2022-11-20 09:35:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure is_prime_ [2022-11-20 09:35:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:35:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:35:05,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:35:05,675 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:35:05,678 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:35:05,926 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:35:05,954 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:35:05,955 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 09:35:05,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:35:05 BoogieIcfgContainer [2022-11-20 09:35:05,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:35:05,959 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 09:35:05,959 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 09:35:05,964 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 09:35:05,979 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 09:35:05,979 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 09:35:04" (1/3) ... [2022-11-20 09:35:05,980 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13aa8dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:35:05, skipping insertion in model container [2022-11-20 09:35:05,981 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 09:35:05,981 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:05" (2/3) ... [2022-11-20 09:35:05,981 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13aa8dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:35:05, skipping insertion in model container [2022-11-20 09:35:05,982 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 09:35:05,982 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:35:05" (3/3) ... [2022-11-20 09:35:05,984 INFO L332 chiAutomizerObserver]: Analyzing ICFG Primes.c [2022-11-20 09:35:06,093 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 09:35:06,094 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 09:35:06,094 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 09:35:06,094 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 09:35:06,094 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 09:35:06,095 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 09:35:06,095 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 09:35:06,095 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 09:35:06,106 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) [2022-11-20 09:35:06,159 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2022-11-20 09:35:06,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:35:06,159 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:35:06,168 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 09:35:06,168 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:06,169 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 09:35:06,169 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) [2022-11-20 09:35:06,182 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2022-11-20 09:35:06,183 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:35:06,183 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:35:06,184 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 09:35:06,184 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:06,196 INFO L748 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 29#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 15#L78true assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 22#L53true call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 31#is_prime_ENTRYtrue [2022-11-20 09:35:06,200 INFO L750 eck$LassoCheckResult]: Loop: 31#is_prime_ENTRYtrue ~n := #in~n;~m := #in~m; 50#L58true assume !(~n <= 1); 32#L61true assume !(2 == ~n); 47#L64true assume ~n > 2; 8#L65true assume !(~m <= 1); 27#L68true call #t~ret10 := multiple_of(~n, ~m);< 45#multiple_ofENTRYtrue ~n := #in~n;~m := #in~m; 42#L32true assume !(~m < 0); 48#L35true assume !(~n < 0); 14#L38true assume 0 == ~m;#res := 0; 18#multiple_ofFINALtrue assume true; 19#multiple_ofEXITtrue >#122#return; 20#L68-1true assume !(0 == #t~ret10);havoc #t~ret10; 4#L71true call #t~ret11 := is_prime_(~n, ~m - 1);< 31#is_prime_ENTRYtrue [2022-11-20 09:35:06,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:06,214 INFO L85 PathProgramCache]: Analyzing trace with hash 2218663, now seen corresponding path program 1 times [2022-11-20 09:35:06,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:06,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777027653] [2022-11-20 09:35:06,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:06,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:06,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:06,454 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:06,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:06,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1788949215, now seen corresponding path program 1 times [2022-11-20 09:35:06,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:06,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478011602] [2022-11-20 09:35:06,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:06,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:06,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-20 09:35:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:06,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:06,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:06,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478011602] [2022-11-20 09:35:06,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478011602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:06,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:06,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:35:06,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049550680] [2022-11-20 09:35:06,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:06,797 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 09:35:06,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:06,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:35:06,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:35:06,842 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) [2022-11-20 09:35:06,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:06,973 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2022-11-20 09:35:06,975 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 80 transitions. [2022-11-20 09:35:06,981 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2022-11-20 09:35:06,990 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 41 states and 54 transitions. [2022-11-20 09:35:06,993 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2022-11-20 09:35:06,994 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2022-11-20 09:35:06,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 54 transitions. [2022-11-20 09:35:07,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:35:07,004 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 54 transitions. [2022-11-20 09:35:07,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 54 transitions. [2022-11-20 09:35:07,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2022-11-20 09:35:07,049 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) [2022-11-20 09:35:07,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 51 transitions. [2022-11-20 09:35:07,060 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 51 transitions. [2022-11-20 09:35:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:35:07,068 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 51 transitions. [2022-11-20 09:35:07,069 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 09:35:07,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 51 transitions. [2022-11-20 09:35:07,070 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2022-11-20 09:35:07,070 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:35:07,071 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:35:07,071 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 09:35:07,072 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:07,072 INFO L748 eck$LassoCheckResult]: Stem: 155#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 138#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 139#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 134#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 135#is_prime_ENTRY [2022-11-20 09:35:07,072 INFO L750 eck$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~ret10 := 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~ret10);havoc #t~ret10; 133#L71 call #t~ret11 := is_prime_(~n, ~m - 1);< 135#is_prime_ENTRY [2022-11-20 09:35:07,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:07,073 INFO L85 PathProgramCache]: Analyzing trace with hash 2218663, now seen corresponding path program 2 times [2022-11-20 09:35:07,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:07,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953345701] [2022-11-20 09:35:07,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:07,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:07,085 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:07,097 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:07,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:07,098 INFO L85 PathProgramCache]: Analyzing trace with hash 399153633, now seen corresponding path program 1 times [2022-11-20 09:35:07,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:07,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457334959] [2022-11-20 09:35:07,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:07,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:07,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-20 09:35:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:07,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:07,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:07,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457334959] [2022-11-20 09:35:07,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457334959] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:07,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:07,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:35:07,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291241590] [2022-11-20 09:35:07,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:07,221 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 09:35:07,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:07,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:35:07,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:35:07,223 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) [2022-11-20 09:35:07,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:07,319 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2022-11-20 09:35:07,320 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2022-11-20 09:35:07,322 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2022-11-20 09:35:07,324 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 57 transitions. [2022-11-20 09:35:07,325 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2022-11-20 09:35:07,325 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2022-11-20 09:35:07,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 57 transitions. [2022-11-20 09:35:07,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:35:07,326 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 57 transitions. [2022-11-20 09:35:07,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 57 transitions. [2022-11-20 09:35:07,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2022-11-20 09:35:07,331 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) [2022-11-20 09:35:07,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 54 transitions. [2022-11-20 09:35:07,332 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 54 transitions. [2022-11-20 09:35:07,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:35:07,334 INFO L428 stractBuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2022-11-20 09:35:07,334 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 09:35:07,335 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 54 transitions. [2022-11-20 09:35:07,336 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2022-11-20 09:35:07,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:35:07,337 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:35:07,338 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 09:35:07,338 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:07,338 INFO L748 eck$LassoCheckResult]: Stem: 255#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 239#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 240#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 233#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 234#is_prime_ENTRY [2022-11-20 09:35:07,339 INFO L750 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~ret10 := 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~ret8 := 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~ret8;havoc #t~ret8; 229#multiple_ofFINAL assume true; 264#multiple_ofEXIT >#122#return; 263#L68-1 assume !(0 == #t~ret10);havoc #t~ret10; 232#L71 call #t~ret11 := is_prime_(~n, ~m - 1);< 234#is_prime_ENTRY [2022-11-20 09:35:07,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:07,339 INFO L85 PathProgramCache]: Analyzing trace with hash 2218663, now seen corresponding path program 3 times [2022-11-20 09:35:07,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:07,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104798216] [2022-11-20 09:35:07,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:07,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:07,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:07,409 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:07,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:07,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1840266607, now seen corresponding path program 1 times [2022-11-20 09:35:07,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:07,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980829534] [2022-11-20 09:35:07,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:07,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:07,473 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:07,511 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:07,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:07,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1482001207, now seen corresponding path program 1 times [2022-11-20 09:35:07,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:07,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789837381] [2022-11-20 09:35:07,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:07,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:07,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-20 09:35:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:07,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-20 09:35:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:07,888 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:35:07,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:07,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789837381] [2022-11-20 09:35:07,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789837381] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:35:07,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845439893] [2022-11-20 09:35:07,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:07,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:35:07,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:07,895 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:35:07,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 09:35:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:08,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 09:35:08,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:08,228 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:35:08,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:35:08,655 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:35:08,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845439893] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:35:08,656 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:35:08,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2022-11-20 09:35:08,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785620018] [2022-11-20 09:35:08,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:35:09,192 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:35:09,193 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:35:09,193 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:35:09,194 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:35:09,194 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 09:35:09,194 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:09,195 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:35:09,195 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:35:09,195 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration3_Loop [2022-11-20 09:35:09,196 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:35:09,196 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:35:09,216 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:09,228 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:09,231 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:09,234 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:09,248 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:09,253 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:09,346 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:35:09,347 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 09:35:09,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:09,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:09,387 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:09,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 09:35:09,395 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:09,395 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:09,437 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:35:09,437 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__#t~ret11=0} Honda state: {is_prime__#t~ret11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:35:09,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:09,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:09,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:09,451 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:09,460 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:09,460 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:09,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 09:35:09,496 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:35:09,496 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__~m=0} Honda state: {is_prime__~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:35:09,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:09,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:09,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:09,516 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:09,530 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:09,531 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:09,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 09:35:09,565 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:35:09,565 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__~n=0} Honda state: {is_prime__~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:35:09,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:09,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:09,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:09,580 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:09,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 09:35:09,589 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:09,589 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:09,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:09,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:09,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:09,636 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:09,642 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 09:35:09,642 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:09,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 09:35:09,926 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 09:35:09,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-20 09:35:09,931 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:35:09,932 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:35:09,932 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:35:09,932 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:35:09,932 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:35:09,932 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:09,932 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:35:09,932 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:35:09,933 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration3_Loop [2022-11-20 09:35:09,933 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:35:09,933 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:35:09,934 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:09,943 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:09,950 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:09,954 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:09,978 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:09,985 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:10,059 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:35:10,065 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:35:10,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:10,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:10,069 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:10,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 09:35:10,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:10,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:10,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:10,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:10,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:10,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:10,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:10,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:10,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:10,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:10,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:10,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:10,132 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:10,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 09:35:10,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:10,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:10,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:10,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:10,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:10,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:10,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:10,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:10,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:10,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-20 09:35:10,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:10,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:10,165 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:10,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 09:35:10,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:10,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:10,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:10,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:10,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:10,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:10,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:10,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:10,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:10,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:10,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:10,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:10,198 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:10,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 09:35:10,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:10,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:10,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:10,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:10,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:10,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:10,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:10,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:10,223 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:35:10,228 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-20 09:35:10,229 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-20 09:35:10,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:10,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:10,236 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:10,258 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:35:10,258 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 09:35:10,258 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:35:10,259 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(is_prime__#in~m) = 1*is_prime__#in~m Supporting invariants [] [2022-11-20 09:35:10,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 09:35:10,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:10,269 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 09:35:10,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:10,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:35:10,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:10,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-20 09:35:10,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:10,781 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:35:10,785 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 9 loop predicates [2022-11-20 09:35:10,787 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) [2022-11-20 09:35:11,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-11-20 09:35:11,662 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. [2022-11-20 09:35:11,663 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 [2022-11-20 09:35:11,664 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) [2022-11-20 09:35:11,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 77 transitions. [2022-11-20 09:35:11,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 77 transitions. Stem has 4 letters. Loop has 24 letters. [2022-11-20 09:35:11,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:11,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 77 transitions. Stem has 28 letters. Loop has 24 letters. [2022-11-20 09:35:11,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:11,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 77 transitions. Stem has 4 letters. Loop has 48 letters. [2022-11-20 09:35:11,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:11,686 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 322 states and 477 transitions. [2022-11-20 09:35:11,698 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 30 [2022-11-20 09:35:11,719 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 322 states to 264 states and 371 transitions. [2022-11-20 09:35:11,721 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 156 [2022-11-20 09:35:11,726 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 159 [2022-11-20 09:35:11,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 264 states and 371 transitions. [2022-11-20 09:35:11,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:35:11,727 INFO L218 hiAutomatonCegarLoop]: Abstraction has 264 states and 371 transitions. [2022-11-20 09:35:11,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states and 371 transitions. [2022-11-20 09:35:11,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 163. [2022-11-20 09:35:11,761 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) [2022-11-20 09:35:11,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 220 transitions. [2022-11-20 09:35:11,763 INFO L240 hiAutomatonCegarLoop]: Abstraction has 163 states and 220 transitions. [2022-11-20 09:35:11,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:11,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 09:35:11,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-20 09:35:11,765 INFO L87 Difference]: Start difference. First operand 163 states and 220 transitions. Second operand has 12 states, 12 states have (on average 3.5) internal successors, (42), 11 states have internal predecessors, (42), 6 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 09:35:12,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:12,060 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2022-11-20 09:35:12,061 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 171 states and 229 transitions. [2022-11-20 09:35:12,075 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2022-11-20 09:35:12,082 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 171 states to 107 states and 147 transitions. [2022-11-20 09:35:12,085 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 107 [2022-11-20 09:35:12,088 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 107 [2022-11-20 09:35:12,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 107 states and 147 transitions. [2022-11-20 09:35:12,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:35:12,093 INFO L218 hiAutomatonCegarLoop]: Abstraction has 107 states and 147 transitions. [2022-11-20 09:35:12,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states and 147 transitions. [2022-11-20 09:35:12,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 93. [2022-11-20 09:35:12,107 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) [2022-11-20 09:35:12,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 126 transitions. [2022-11-20 09:35:12,111 INFO L240 hiAutomatonCegarLoop]: Abstraction has 93 states and 126 transitions. [2022-11-20 09:35:12,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 09:35:12,112 INFO L428 stractBuchiCegarLoop]: Abstraction has 93 states and 126 transitions. [2022-11-20 09:35:12,113 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 09:35:12,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 126 transitions. [2022-11-20 09:35:12,115 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2022-11-20 09:35:12,118 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:35:12,118 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:35:12,119 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:12,120 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 09:35:12,120 INFO L748 eck$LassoCheckResult]: Stem: 1355#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 1334#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 1335#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 1358#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 1377#is_prime_ENTRY ~n := #in~n;~m := #in~m; 1381#L58 assume !(~n <= 1); 1382#L61 assume !(2 == ~n); 1385#L64 assume ~n > 2; 1380#L65 assume !(~m <= 1); 1359#L68 call #t~ret10 := multiple_of(~n, ~m);< 1387#multiple_ofENTRY ~n := #in~n;~m := #in~m; 1404#L32 assume ~m < 0; 1363#L33 [2022-11-20 09:35:12,120 INFO L750 eck$LassoCheckResult]: Loop: 1363#L33 call #t~ret6 := multiple_of(~n, -~m);< 1345#multiple_ofENTRY ~n := #in~n;~m := #in~m; 1371#L32 assume ~m < 0; 1363#L33 [2022-11-20 09:35:12,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:12,121 INFO L85 PathProgramCache]: Analyzing trace with hash -123397399, now seen corresponding path program 1 times [2022-11-20 09:35:12,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:12,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862374052] [2022-11-20 09:35:12,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:12,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:12,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:12,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:12,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862374052] [2022-11-20 09:35:12,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862374052] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:12,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:12,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:35:12,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145186943] [2022-11-20 09:35:12,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:12,215 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 09:35:12,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:12,216 INFO L85 PathProgramCache]: Analyzing trace with hash 132621, now seen corresponding path program 1 times [2022-11-20 09:35:12,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:12,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470959893] [2022-11-20 09:35:12,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:12,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:12,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:12,224 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:12,320 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:35:12,321 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:35:12,321 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:35:12,321 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:35:12,321 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 09:35:12,322 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:12,322 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:35:12,322 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:35:12,322 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration4_Loop [2022-11-20 09:35:12,322 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:35:12,322 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:35:12,325 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:12,328 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:12,337 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:12,343 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:12,352 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:12,355 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:12,419 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:35:12,419 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 09:35:12,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:12,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:12,421 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:12,437 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:12,437 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:12,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 09:35:12,464 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:35:12,464 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret6=0} Honda state: {multiple_of_#t~ret6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:35:12,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:12,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:12,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:12,477 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:12,489 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:12,489 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:12,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 09:35:12,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:12,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:12,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:12,540 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:12,551 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 09:35:12,552 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:12,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 09:35:14,113 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 09:35:14,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:14,118 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:35:14,118 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:35:14,118 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:35:14,118 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:35:14,118 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:35:14,118 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:14,119 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:35:14,119 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:35:14,119 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration4_Loop [2022-11-20 09:35:14,119 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:35:14,119 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:35:14,120 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:14,134 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:14,140 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:14,152 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:14,155 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:14,158 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:14,227 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:35:14,227 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:35:14,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:14,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:14,229 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:14,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:14,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 09:35:14,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:14,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:14,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:14,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:14,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:14,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:14,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:14,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:14,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:14,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:14,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:14,290 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:14,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:14,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 09:35:14,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:14,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:14,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:14,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:14,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:14,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:14,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:14,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:14,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:14,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:14,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:14,355 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:14,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 09:35:14,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:14,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:14,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:14,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:14,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:14,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:14,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:14,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:14,400 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:35:14,404 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-20 09:35:14,404 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-20 09:35:14,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:14,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:14,406 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:14,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 09:35:14,411 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:35:14,412 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 09:35:14,412 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:35:14,412 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_~m) = 1*multiple_of_~m Supporting invariants [] [2022-11-20 09:35:14,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:14,423 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 09:35:14,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:14,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 09:35:14,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:14,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 09:35:14,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:14,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:14,545 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-20 09:35:14,545 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) [2022-11-20 09:35:14,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:14,676 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. [2022-11-20 09:35:14,677 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 [2022-11-20 09:35:14,680 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) [2022-11-20 09:35:14,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2022-11-20 09:35:14,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 12 letters. Loop has 3 letters. [2022-11-20 09:35:14,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:14,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-20 09:35:14,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:14,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 12 letters. Loop has 6 letters. [2022-11-20 09:35:14,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:14,682 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 191 states and 253 transitions. [2022-11-20 09:35:14,686 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 42 [2022-11-20 09:35:14,689 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 191 states to 137 states and 182 transitions. [2022-11-20 09:35:14,689 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113 [2022-11-20 09:35:14,690 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 114 [2022-11-20 09:35:14,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 182 transitions. [2022-11-20 09:35:14,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:35:14,691 INFO L218 hiAutomatonCegarLoop]: Abstraction has 137 states and 182 transitions. [2022-11-20 09:35:14,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 182 transitions. [2022-11-20 09:35:14,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 108. [2022-11-20 09:35:14,699 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) [2022-11-20 09:35:14,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 146 transitions. [2022-11-20 09:35:14,700 INFO L240 hiAutomatonCegarLoop]: Abstraction has 108 states and 146 transitions. [2022-11-20 09:35:14,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:14,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:35:14,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:35:14,702 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) [2022-11-20 09:35:14,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:14,769 INFO L93 Difference]: Finished difference Result 98 states and 128 transitions. [2022-11-20 09:35:14,769 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 128 transitions. [2022-11-20 09:35:14,771 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2022-11-20 09:35:14,773 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 98 states and 128 transitions. [2022-11-20 09:35:14,773 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2022-11-20 09:35:14,773 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2022-11-20 09:35:14,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 128 transitions. [2022-11-20 09:35:14,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:35:14,775 INFO L218 hiAutomatonCegarLoop]: Abstraction has 98 states and 128 transitions. [2022-11-20 09:35:14,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 128 transitions. [2022-11-20 09:35:14,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 92. [2022-11-20 09:35:14,791 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) [2022-11-20 09:35:14,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 121 transitions. [2022-11-20 09:35:14,799 INFO L240 hiAutomatonCegarLoop]: Abstraction has 92 states and 121 transitions. [2022-11-20 09:35:14,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:35:14,800 INFO L428 stractBuchiCegarLoop]: Abstraction has 92 states and 121 transitions. [2022-11-20 09:35:14,801 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-20 09:35:14,801 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 121 transitions. [2022-11-20 09:35:14,802 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2022-11-20 09:35:14,802 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:35:14,802 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:35:14,803 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:14,803 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 09:35:14,804 INFO L748 eck$LassoCheckResult]: Stem: 1930#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 1906#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 1907#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 1935#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 1946#is_prime_ENTRY ~n := #in~n;~m := #in~m; 1967#L58 assume ~n <= 1;#res := 0; 1949#is_prime_FINAL assume true; 1948#is_prime_EXIT >#118#return; 1945#L53-1 is_prime_#res#1 := is_prime_#t~ret9#1;havoc is_prime_#t~ret9#1; 1899#L53-2 main_#t~ret13#1 := is_prime_#res#1;assume { :end_inline_is_prime } true;main_~result~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;main_~f1~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 1900#L85 assume !(main_~f1~0#1 < 1 || main_~f1~0#1 > 46340);main_~f2~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 1904#L91 assume !(main_~f2~0#1 < 1 || main_~f2~0#1 > 46340);main_#t~short17#1 := 1 == main_~result~0#1; 1908#L97 assume main_#t~short17#1; 1909#L97-1 call main_#t~ret16#1 := mult(main_~f1~0#1, main_~f2~0#1);< 1918#multENTRY [2022-11-20 09:35:14,804 INFO L750 eck$LassoCheckResult]: Loop: 1918#multENTRY ~n := #in~n;~m := #in~m; 1928#L18 assume ~m < 0; 1914#L19 call #t~ret4 := mult(~n, -~m);< 1918#multENTRY [2022-11-20 09:35:14,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:14,810 INFO L85 PathProgramCache]: Analyzing trace with hash 636635474, now seen corresponding path program 1 times [2022-11-20 09:35:14,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:14,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344364543] [2022-11-20 09:35:14,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:14,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:14,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 09:35:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:14,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:14,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:14,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344364543] [2022-11-20 09:35:14,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344364543] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:14,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:14,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 09:35:14,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692635047] [2022-11-20 09:35:14,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:14,919 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 09:35:14,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:14,919 INFO L85 PathProgramCache]: Analyzing trace with hash 53805, now seen corresponding path program 1 times [2022-11-20 09:35:14,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:14,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646840821] [2022-11-20 09:35:14,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:14,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:14,923 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:14,926 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:14,976 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:35:14,976 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:35:14,976 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:35:14,977 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:35:14,977 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 09:35:14,977 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:14,977 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:35:14,977 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:35:14,978 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration5_Loop [2022-11-20 09:35:14,978 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:35:14,978 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:35:14,979 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:14,983 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:14,986 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:14,989 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:14,992 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:14,995 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:15,000 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:15,056 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:35:15,056 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 09:35:15,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:15,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:15,058 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:15,069 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:15,070 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:15,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-20 09:35:15,096 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:35:15,096 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret4=0} Honda state: {mult_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:35:15,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:15,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:15,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:15,108 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:15,119 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:15,119 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:15,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 09:35:15,144 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:35:15,145 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#res=0} Honda state: {mult_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:35:15,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:15,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:15,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:15,153 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:15,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 09:35:15,162 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:15,162 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:15,177 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:35:15,177 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~m=0} Honda state: {mult_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:35:15,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:15,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:15,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:15,185 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:15,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-20 09:35:15,189 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:15,189 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:15,211 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:35:15,211 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~n=0} Honda state: {mult_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:35:15,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-11-20 09:35:15,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:15,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:15,219 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:15,224 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:15,224 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:15,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-20 09:35:15,239 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:35:15,239 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret5=0} Honda state: {mult_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:35:15,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:15,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:15,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:15,245 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:15,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-20 09:35:15,248 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:15,249 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:15,264 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:35:15,264 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#in~n=0} Honda state: {mult_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:35:15,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-20 09:35:15,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:15,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:15,269 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:15,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-20 09:35:15,273 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:15,273 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:15,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-11-20 09:35:15,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:15,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:15,302 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:15,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-20 09:35:15,307 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 09:35:15,307 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:15,388 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 09:35:15,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:15,392 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:35:15,392 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:35:15,392 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:35:15,392 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:35:15,392 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:35:15,392 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:15,392 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:35:15,393 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:35:15,393 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration5_Loop [2022-11-20 09:35:15,393 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:35:15,393 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:35:15,394 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:15,401 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:15,404 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:15,408 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:15,411 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:15,413 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:15,416 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:15,475 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:35:15,475 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:35:15,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:15,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:15,477 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:15,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:15,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-20 09:35:15,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:15,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:15,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:15,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:15,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:15,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:15,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:15,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:15,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:15,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:15,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:15,536 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:15,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:15,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-20 09:35:15,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:15,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:15,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:15,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:15,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:15,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:15,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:15,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:15,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:15,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:15,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:15,592 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:15,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:15,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-20 09:35:15,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:15,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:15,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:15,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:15,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:15,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:15,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:15,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:15,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:15,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:15,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:15,637 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:15,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:15,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-20 09:35:15,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:15,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:15,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:15,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:15,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:15,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:15,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:15,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:15,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:15,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:15,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:15,681 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:15,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:15,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-20 09:35:15,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:15,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:15,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:15,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:15,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:15,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:15,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:15,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:15,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:15,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:15,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:15,716 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:15,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-20 09:35:15,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:15,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:15,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:15,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:15,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:15,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:15,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:15,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:15,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:15,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-20 09:35:15,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:15,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:15,749 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:15,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-20 09:35:15,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:15,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:15,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:15,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:15,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:15,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:15,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:15,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:15,775 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:35:15,778 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-20 09:35:15,778 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-20 09:35:15,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:15,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:15,779 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:15,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-20 09:35:15,783 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:35:15,783 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 09:35:15,783 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:35:15,783 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_#in~m) = -1*mult_#in~m Supporting invariants [] [2022-11-20 09:35:15,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:15,788 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 09:35:15,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 09:35:15,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 09:35:15,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:15,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:15,985 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-11-20 09:35:15,985 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) [2022-11-20 09:35:16,137 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. [2022-11-20 09:35:16,137 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 [2022-11-20 09:35:16,138 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) [2022-11-20 09:35:16,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2022-11-20 09:35:16,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 14 letters. Loop has 3 letters. [2022-11-20 09:35:16,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:16,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 17 letters. Loop has 3 letters. [2022-11-20 09:35:16,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:16,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 14 letters. Loop has 6 letters. [2022-11-20 09:35:16,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:16,140 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 145 transitions. [2022-11-20 09:35:16,143 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2022-11-20 09:35:16,145 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 106 states and 137 transitions. [2022-11-20 09:35:16,146 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2022-11-20 09:35:16,147 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 101 [2022-11-20 09:35:16,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 106 states and 137 transitions. [2022-11-20 09:35:16,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:35:16,148 INFO L218 hiAutomatonCegarLoop]: Abstraction has 106 states and 137 transitions. [2022-11-20 09:35:16,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states and 137 transitions. [2022-11-20 09:35:16,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 97. [2022-11-20 09:35:16,165 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) [2022-11-20 09:35:16,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 128 transitions. [2022-11-20 09:35:16,168 INFO L240 hiAutomatonCegarLoop]: Abstraction has 97 states and 128 transitions. [2022-11-20 09:35:16,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:16,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 09:35:16,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:35:16,169 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) [2022-11-20 09:35:16,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:16,262 INFO L93 Difference]: Finished difference Result 108 states and 139 transitions. [2022-11-20 09:35:16,262 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 139 transitions. [2022-11-20 09:35:16,264 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2022-11-20 09:35:16,269 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 101 states and 131 transitions. [2022-11-20 09:35:16,271 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2022-11-20 09:35:16,272 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2022-11-20 09:35:16,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 131 transitions. [2022-11-20 09:35:16,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:35:16,272 INFO L218 hiAutomatonCegarLoop]: Abstraction has 101 states and 131 transitions. [2022-11-20 09:35:16,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 131 transitions. [2022-11-20 09:35:16,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 97. [2022-11-20 09:35:16,288 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) [2022-11-20 09:35:16,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 126 transitions. [2022-11-20 09:35:16,289 INFO L240 hiAutomatonCegarLoop]: Abstraction has 97 states and 126 transitions. [2022-11-20 09:35:16,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:35:16,293 INFO L428 stractBuchiCegarLoop]: Abstraction has 97 states and 126 transitions. [2022-11-20 09:35:16,293 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-20 09:35:16,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 126 transitions. [2022-11-20 09:35:16,295 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2022-11-20 09:35:16,295 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:35:16,295 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:35:16,296 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:16,296 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 09:35:16,296 INFO L748 eck$LassoCheckResult]: Stem: 2446#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 2417#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 2418#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 2450#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 2460#is_prime_ENTRY ~n := #in~n;~m := #in~m; 2467#L58 assume !(~n <= 1); 2465#L61 assume !(2 == ~n); 2466#L64 assume ~n > 2; 2463#L65 assume !(~m <= 1); 2451#L68 call #t~ret10 := multiple_of(~n, ~m);< 2470#multiple_ofENTRY ~n := #in~n;~m := #in~m; 2486#L32 assume !(~m < 0); 2483#L35 assume ~n < 0; 2434#L36 call #t~ret7 := multiple_of(-~n, ~m);< 2452#multiple_ofENTRY [2022-11-20 09:35:16,297 INFO L750 eck$LassoCheckResult]: Loop: 2452#multiple_ofENTRY ~n := #in~n;~m := #in~m; 2495#L32 assume !(~m < 0); 2494#L35 assume ~n < 0; 2433#L36 call #t~ret7 := multiple_of(-~n, ~m);< 2452#multiple_ofENTRY [2022-11-20 09:35:16,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:16,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1674187120, now seen corresponding path program 1 times [2022-11-20 09:35:16,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:16,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661741227] [2022-11-20 09:35:16,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:16,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:16,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:16,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:16,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661741227] [2022-11-20 09:35:16,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661741227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:16,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:16,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:35:16,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888711722] [2022-11-20 09:35:16,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:16,354 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 09:35:16,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:16,355 INFO L85 PathProgramCache]: Analyzing trace with hash 929675, now seen corresponding path program 1 times [2022-11-20 09:35:16,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:16,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567875901] [2022-11-20 09:35:16,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:16,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:16,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:16,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:16,405 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:16,468 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:35:16,469 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:35:16,469 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:35:16,469 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:35:16,469 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 09:35:16,469 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:16,469 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:35:16,470 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:35:16,470 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration6_Loop [2022-11-20 09:35:16,470 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:35:16,470 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:35:16,471 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:16,478 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:16,485 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:16,487 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:16,490 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:16,493 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:16,496 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:16,499 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:16,553 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:35:16,554 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 09:35:16,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:16,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:16,556 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:16,565 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:16,566 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:16,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-20 09:35:16,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:16,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:16,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:16,610 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:16,617 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 09:35:16,617 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:16,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-20 09:35:16,667 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 09:35:16,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:16,678 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:35:16,678 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:35:16,678 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:35:16,678 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:35:16,679 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:35:16,679 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:16,679 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:35:16,679 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:35:16,679 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration6_Loop [2022-11-20 09:35:16,679 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:35:16,679 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:35:16,680 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:16,688 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:16,693 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:16,700 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:16,703 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:16,706 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:16,710 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:16,713 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:16,766 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:35:16,766 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:35:16,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:16,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:16,767 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:16,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-20 09:35:16,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:16,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:16,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:16,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:16,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:16,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:16,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:16,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:16,788 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:35:16,790 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-20 09:35:16,791 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-20 09:35:16,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:16,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:16,792 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:16,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-20 09:35:16,796 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:35:16,796 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 09:35:16,796 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:35:16,796 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_#in~n) = -1*multiple_of_#in~n Supporting invariants [] [2022-11-20 09:35:16,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:16,801 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 09:35:16,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:16,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 09:35:16,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:16,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 09:35:16,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:16,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:16,950 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-20 09:35:16,950 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) [2022-11-20 09:35:17,023 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. [2022-11-20 09:35:17,024 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 [2022-11-20 09:35:17,025 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) [2022-11-20 09:35:17,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 56 transitions. [2022-11-20 09:35:17,026 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 56 transitions. Stem has 14 letters. Loop has 4 letters. [2022-11-20 09:35:17,026 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:17,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 56 transitions. Stem has 18 letters. Loop has 4 letters. [2022-11-20 09:35:17,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:17,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 56 transitions. Stem has 14 letters. Loop has 8 letters. [2022-11-20 09:35:17,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:17,028 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 200 states and 269 transitions. [2022-11-20 09:35:17,031 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 48 [2022-11-20 09:35:17,034 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 200 states to 188 states and 257 transitions. [2022-11-20 09:35:17,035 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 173 [2022-11-20 09:35:17,035 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 175 [2022-11-20 09:35:17,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 257 transitions. [2022-11-20 09:35:17,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:35:17,036 INFO L218 hiAutomatonCegarLoop]: Abstraction has 188 states and 257 transitions. [2022-11-20 09:35:17,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 257 transitions. [2022-11-20 09:35:17,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 163. [2022-11-20 09:35:17,044 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) [2022-11-20 09:35:17,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 223 transitions. [2022-11-20 09:35:17,046 INFO L240 hiAutomatonCegarLoop]: Abstraction has 163 states and 223 transitions. [2022-11-20 09:35:17,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:17,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:35:17,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:35:17,048 INFO L87 Difference]: Start difference. First operand 163 states and 223 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2022-11-20 09:35:17,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:17,113 INFO L93 Difference]: Finished difference Result 169 states and 228 transitions. [2022-11-20 09:35:17,113 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 228 transitions. [2022-11-20 09:35:17,117 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2022-11-20 09:35:17,121 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 169 states and 228 transitions. [2022-11-20 09:35:17,122 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 162 [2022-11-20 09:35:17,122 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 162 [2022-11-20 09:35:17,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 228 transitions. [2022-11-20 09:35:17,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:35:17,123 INFO L218 hiAutomatonCegarLoop]: Abstraction has 169 states and 228 transitions. [2022-11-20 09:35:17,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 228 transitions. [2022-11-20 09:35:17,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 165. [2022-11-20 09:35:17,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 121 states have (on average 1.2975206611570247) internal successors, (157), 127 states have internal predecessors, (157), 26 states have call successors, (26), 16 states have call predecessors, (26), 18 states have return successors, (40), 21 states have call predecessors, (40), 22 states have call successors, (40) [2022-11-20 09:35:17,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 223 transitions. [2022-11-20 09:35:17,140 INFO L240 hiAutomatonCegarLoop]: Abstraction has 165 states and 223 transitions. [2022-11-20 09:35:17,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:35:17,142 INFO L428 stractBuchiCegarLoop]: Abstraction has 165 states and 223 transitions. [2022-11-20 09:35:17,142 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-20 09:35:17,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 165 states and 223 transitions. [2022-11-20 09:35:17,144 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2022-11-20 09:35:17,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:35:17,145 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:35:17,145 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:17,145 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-20 09:35:17,146 INFO L748 eck$LassoCheckResult]: Stem: 3172#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 3138#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 3139#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 3176#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 3196#is_prime_ENTRY ~n := #in~n;~m := #in~m; 3212#L58 assume !(~n <= 1); 3209#L61 assume !(2 == ~n); 3210#L64 assume ~n > 2; 3207#L65 assume !(~m <= 1); 3183#L68 call #t~ret10 := multiple_of(~n, ~m);< 3192#multiple_ofENTRY ~n := #in~n;~m := #in~m; 3182#L32 assume !(~m < 0); 3184#L35 assume !(~n < 0); 3195#L38 assume !(0 == ~m); 3245#L41 assume !(0 == ~n); 3161#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 3206#multiple_ofENTRY [2022-11-20 09:35:17,146 INFO L750 eck$LassoCheckResult]: Loop: 3206#multiple_ofENTRY ~n := #in~n;~m := #in~m; 3204#L32 assume !(~m < 0); 3201#L35 assume !(~n < 0); 3202#L38 assume !(0 == ~m); 3243#L41 assume !(0 == ~n); 3164#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 3206#multiple_ofENTRY [2022-11-20 09:35:17,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:17,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1718912949, now seen corresponding path program 1 times [2022-11-20 09:35:17,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:17,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897672697] [2022-11-20 09:35:17,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:17,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:17,158 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:17,168 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:17,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:17,169 INFO L85 PathProgramCache]: Analyzing trace with hash 893418406, now seen corresponding path program 1 times [2022-11-20 09:35:17,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:17,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952024881] [2022-11-20 09:35:17,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:17,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:17,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:17,177 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:17,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:17,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1893667952, now seen corresponding path program 2 times [2022-11-20 09:35:17,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:17,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018769595] [2022-11-20 09:35:17,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:17,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:17,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:17,197 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:17,286 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:35:17,286 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:35:17,286 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:35:17,286 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:35:17,287 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 09:35:17,287 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:17,287 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:35:17,287 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:35:17,287 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration7_Loop [2022-11-20 09:35:17,287 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:35:17,288 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:35:17,289 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:17,297 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:17,302 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:17,306 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:17,309 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:17,311 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:17,326 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:17,416 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:35:17,416 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 09:35:17,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:17,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:17,418 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:17,434 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:17,434 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:17,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-20 09:35:17,467 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:35:17,467 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#res=0} Honda state: {multiple_of_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:35:17,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:17,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:17,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:17,480 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:17,488 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:17,488 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:17,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-20 09:35:17,519 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:35:17,519 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_~n=0} Honda state: {multiple_of_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:35:17,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:17,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:17,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:17,528 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:17,535 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:17,536 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:17,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-20 09:35:17,567 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:35:17,567 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_~m=0} Honda state: {multiple_of_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:35:17,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:17,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:17,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:17,581 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:17,587 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:17,587 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:17,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-20 09:35:17,619 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:35:17,619 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret8=0} Honda state: {multiple_of_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:35:17,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:17,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:17,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:17,628 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:17,635 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:17,635 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:17,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-20 09:35:17,670 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:35:17,670 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret7=0} Honda state: {multiple_of_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:35:17,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:17,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:17,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:17,680 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:17,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-20 09:35:17,684 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:17,684 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:17,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:17,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:17,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:17,706 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:17,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-20 09:35:17,710 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 09:35:17,710 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:17,756 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 09:35:17,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:17,760 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:35:17,760 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:35:17,760 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:35:17,760 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:35:17,760 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:35:17,760 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:17,760 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:35:17,760 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:35:17,761 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration7_Loop [2022-11-20 09:35:17,761 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:35:17,761 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:35:17,762 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:17,769 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:17,772 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:17,782 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:17,785 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:17,788 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:17,805 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:17,901 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:35:17,901 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:35:17,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:17,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:17,903 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:17,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-20 09:35:17,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:17,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:17,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:17,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:17,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:17,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:17,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:17,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:17,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:17,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:17,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:17,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:17,927 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:17,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-20 09:35:17,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:17,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:17,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:17,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:17,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:17,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:17,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:17,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:17,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:17,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:17,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:17,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:17,951 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:17,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-20 09:35:17,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:17,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:17,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:17,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:17,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:17,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:17,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:17,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:17,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:17,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-11-20 09:35:17,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:17,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:17,975 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:17,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-20 09:35:17,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:17,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:17,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:17,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:17,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:17,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:17,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:17,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:18,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:18,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:18,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:18,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:18,030 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:18,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-20 09:35:18,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:18,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:18,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:18,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:18,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:18,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:18,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:18,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:18,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:18,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:18,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:18,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:18,077 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:18,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:18,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-20 09:35:18,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:18,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:18,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:18,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:18,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:18,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:18,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:18,119 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:35:18,131 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-20 09:35:18,131 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-20 09:35:18,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:18,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:18,139 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:18,140 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:35:18,141 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 09:35:18,141 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:35:18,141 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_#in~n) = 1*multiple_of_#in~n Supporting invariants [] [2022-11-20 09:35:18,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-20 09:35:18,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:18,146 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 09:35:18,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:18,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 09:35:18,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:18,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:18,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:18,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 09:35:18,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:18,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:18,397 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2022-11-20 09:35:18,397 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 165 states and 223 transitions. cyclomatic complexity: 65 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) [2022-11-20 09:35:18,593 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 165 states and 223 transitions. cyclomatic complexity: 65. 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 218 states and 293 transitions. Complement of second has 25 states. [2022-11-20 09:35:18,595 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 [2022-11-20 09:35:18,596 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) [2022-11-20 09:35:18,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 43 transitions. [2022-11-20 09:35:18,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 43 transitions. Stem has 16 letters. Loop has 6 letters. [2022-11-20 09:35:18,598 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:18,598 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 43 transitions. Stem has 22 letters. Loop has 6 letters. [2022-11-20 09:35:18,598 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:18,598 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 43 transitions. Stem has 16 letters. Loop has 12 letters. [2022-11-20 09:35:18,599 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:18,599 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 218 states and 293 transitions. [2022-11-20 09:35:18,603 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 48 [2022-11-20 09:35:18,607 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 218 states to 206 states and 279 transitions. [2022-11-20 09:35:18,607 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 183 [2022-11-20 09:35:18,608 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 185 [2022-11-20 09:35:18,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 206 states and 279 transitions. [2022-11-20 09:35:18,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:35:18,609 INFO L218 hiAutomatonCegarLoop]: Abstraction has 206 states and 279 transitions. [2022-11-20 09:35:18,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states and 279 transitions. [2022-11-20 09:35:18,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 181. [2022-11-20 09:35:18,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 134 states have (on average 1.291044776119403) internal successors, (173), 141 states have internal predecessors, (173), 28 states have call successors, (28), 18 states have call predecessors, (28), 19 states have return successors, (44), 21 states have call predecessors, (44), 23 states have call successors, (44) [2022-11-20 09:35:18,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 245 transitions. [2022-11-20 09:35:18,618 INFO L240 hiAutomatonCegarLoop]: Abstraction has 181 states and 245 transitions. [2022-11-20 09:35:18,619 INFO L428 stractBuchiCegarLoop]: Abstraction has 181 states and 245 transitions. [2022-11-20 09:35:18,619 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-20 09:35:18,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 181 states and 245 transitions. [2022-11-20 09:35:18,621 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2022-11-20 09:35:18,621 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:35:18,622 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:35:18,622 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:18,622 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-20 09:35:18,623 INFO L748 eck$LassoCheckResult]: Stem: 3673#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 3638#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 3639#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 3679#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 3698#is_prime_ENTRY ~n := #in~n;~m := #in~m; 3717#L58 assume !(~n <= 1); 3716#L61 assume 2 == ~n;#res := 1; 3714#is_prime_FINAL assume true; 3704#is_prime_EXIT >#118#return; 3697#L53-1 is_prime_#res#1 := is_prime_#t~ret9#1;havoc is_prime_#t~ret9#1; 3628#L53-2 main_#t~ret13#1 := is_prime_#res#1;assume { :end_inline_is_prime } true;main_~result~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;main_~f1~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 3629#L85 assume !(main_~f1~0#1 < 1 || main_~f1~0#1 > 46340);main_~f2~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 3635#L91 assume !(main_~f2~0#1 < 1 || main_~f2~0#1 > 46340);main_#t~short17#1 := 1 == main_~result~0#1; 3640#L97 assume main_#t~short17#1; 3641#L97-1 call main_#t~ret16#1 := mult(main_~f1~0#1, main_~f2~0#1);< 3666#multENTRY ~n := #in~n;~m := #in~m; 3667#L18 assume !(~m < 0); 3668#L21 [2022-11-20 09:35:18,623 INFO L750 eck$LassoCheckResult]: Loop: 3668#L21 assume !(0 == ~m); 3646#L24 assume !(1 == ~m); 3648#L27 call #t~ret5 := mult(~n, ~m - 1);< 3655#multENTRY ~n := #in~n;~m := #in~m; 3678#L18 assume !(~m < 0); 3668#L21 [2022-11-20 09:35:18,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:18,624 INFO L85 PathProgramCache]: Analyzing trace with hash 2081524284, now seen corresponding path program 1 times [2022-11-20 09:35:18,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:18,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118167157] [2022-11-20 09:35:18,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:18,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:18,634 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:18,645 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:18,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:18,651 INFO L85 PathProgramCache]: Analyzing trace with hash 61272212, now seen corresponding path program 1 times [2022-11-20 09:35:18,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:18,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858455301] [2022-11-20 09:35:18,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:18,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:18,656 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:18,661 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:18,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:18,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1269404473, now seen corresponding path program 1 times [2022-11-20 09:35:18,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:18,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794909725] [2022-11-20 09:35:18,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:18,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:18,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:18,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:18,836 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:35:18,836 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:35:18,836 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:35:18,836 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:35:18,836 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 09:35:18,837 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:18,837 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:35:18,837 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:35:18,837 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration8_Loop [2022-11-20 09:35:18,837 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:35:18,837 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:35:18,839 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:18,842 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:18,862 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:18,864 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:18,871 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:18,955 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:35:18,955 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 09:35:18,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:18,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:18,957 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:18,969 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:18,969 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:18,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-20 09:35:18,995 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:35:18,995 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#res=0} Honda state: {mult_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:35:19,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:19,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:19,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:19,003 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:19,008 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:19,008 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:19,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-20 09:35:19,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:19,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:19,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:19,053 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:19,060 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 09:35:19,060 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:19,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-20 09:35:19,982 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 09:35:19,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-11-20 09:35:19,986 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:35:19,986 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:35:19,986 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:35:19,986 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:35:19,986 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:35:19,986 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:19,986 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:35:19,986 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:35:19,986 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration8_Loop [2022-11-20 09:35:19,987 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:35:19,987 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:35:19,988 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:19,993 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:20,003 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:20,005 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:20,011 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:20,107 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:35:20,107 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:35:20,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:20,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:20,109 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:20,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-20 09:35:20,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:20,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:20,130 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:20,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:20,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:20,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:20,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:20,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:20,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:20,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2022-11-20 09:35:20,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:20,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:20,155 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:20,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-20 09:35:20,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:20,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:20,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:20,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:20,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:20,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:20,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:20,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:20,179 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:35:20,182 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-20 09:35:20,182 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-20 09:35:20,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:20,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:20,183 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:20,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-20 09:35:20,186 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:35:20,187 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 09:35:20,187 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:35:20,187 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_~m) = 1*mult_~m Supporting invariants [] [2022-11-20 09:35:20,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-11-20 09:35:20,191 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 09:35:20,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:20,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 09:35:20,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:20,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 09:35:20,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:20,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:20,411 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-11-20 09:35:20,411 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 181 states and 245 transitions. cyclomatic complexity: 72 Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 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) [2022-11-20 09:35:20,547 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 181 states and 245 transitions. cyclomatic complexity: 72. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 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 205 states and 272 transitions. Complement of second has 17 states. [2022-11-20 09:35:20,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-20 09:35:20,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 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) [2022-11-20 09:35:20,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2022-11-20 09:35:20,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 17 letters. Loop has 5 letters. [2022-11-20 09:35:20,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:20,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 22 letters. Loop has 5 letters. [2022-11-20 09:35:20,551 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:20,551 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 17 letters. Loop has 10 letters. [2022-11-20 09:35:20,551 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:20,551 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 205 states and 272 transitions. [2022-11-20 09:35:20,556 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2022-11-20 09:35:20,559 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 205 states to 204 states and 271 transitions. [2022-11-20 09:35:20,559 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 177 [2022-11-20 09:35:20,560 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 180 [2022-11-20 09:35:20,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 204 states and 271 transitions. [2022-11-20 09:35:20,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:35:20,560 INFO L218 hiAutomatonCegarLoop]: Abstraction has 204 states and 271 transitions. [2022-11-20 09:35:20,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states and 271 transitions. [2022-11-20 09:35:20,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 191. [2022-11-20 09:35:20,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 142 states have (on average 1.2887323943661972) internal successors, (183), 149 states have internal predecessors, (183), 30 states have call successors, (30), 20 states have call predecessors, (30), 19 states have return successors, (44), 21 states have call predecessors, (44), 23 states have call successors, (44) [2022-11-20 09:35:20,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 257 transitions. [2022-11-20 09:35:20,576 INFO L240 hiAutomatonCegarLoop]: Abstraction has 191 states and 257 transitions. [2022-11-20 09:35:20,576 INFO L428 stractBuchiCegarLoop]: Abstraction has 191 states and 257 transitions. [2022-11-20 09:35:20,576 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-20 09:35:20,576 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 191 states and 257 transitions. [2022-11-20 09:35:20,579 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2022-11-20 09:35:20,579 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:35:20,579 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:35:20,582 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:20,582 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 09:35:20,582 INFO L748 eck$LassoCheckResult]: Stem: 4167#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 4128#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 4129#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 4173#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 4197#is_prime_ENTRY ~n := #in~n;~m := #in~m; 4212#L58 assume !(~n <= 1); 4210#L61 assume 2 == ~n;#res := 1; 4206#is_prime_FINAL assume true; 4203#is_prime_EXIT >#118#return; 4193#L53-1 is_prime_#res#1 := is_prime_#t~ret9#1;havoc is_prime_#t~ret9#1; 4119#L53-2 main_#t~ret13#1 := is_prime_#res#1;assume { :end_inline_is_prime } true;main_~result~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;main_~f1~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 4120#L85 assume !(main_~f1~0#1 < 1 || main_~f1~0#1 > 46340);main_~f2~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 4126#L91 assume !(main_~f2~0#1 < 1 || main_~f2~0#1 > 46340);main_#t~short17#1 := 1 == main_~result~0#1; 4130#L97 assume main_#t~short17#1; 4131#L97-1 call main_#t~ret16#1 := mult(main_~f1~0#1, main_~f2~0#1);< 4159#multENTRY ~n := #in~n;~m := #in~m; 4160#L18 assume !(~m < 0); 4161#L21 assume !(0 == ~m); 4136#L24 assume !(1 == ~m); 4138#L27 call #t~ret5 := mult(~n, ~m - 1);< 4305#multENTRY ~n := #in~n;~m := #in~m; 4270#L18 assume ~m < 0; 4146#L19 [2022-11-20 09:35:20,583 INFO L750 eck$LassoCheckResult]: Loop: 4146#L19 call #t~ret4 := mult(~n, -~m);< 4148#multENTRY ~n := #in~n;~m := #in~m; 4172#L18 assume ~m < 0; 4146#L19 [2022-11-20 09:35:20,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:20,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1269404470, now seen corresponding path program 1 times [2022-11-20 09:35:20,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:20,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045125972] [2022-11-20 09:35:20,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:20,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:20,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 09:35:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:20,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:20,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:20,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045125972] [2022-11-20 09:35:20,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045125972] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:20,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:20,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:35:20,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071332936] [2022-11-20 09:35:20,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:20,687 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 09:35:20,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:20,687 INFO L85 PathProgramCache]: Analyzing trace with hash 139155, now seen corresponding path program 2 times [2022-11-20 09:35:20,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:20,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738780482] [2022-11-20 09:35:20,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:20,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:20,691 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:20,694 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:20,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:20,807 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:35:20,807 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:35:20,807 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:35:20,808 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:35:20,808 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 09:35:20,808 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:20,808 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:35:20,808 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:35:20,809 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration9_Loop [2022-11-20 09:35:20,809 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:35:20,809 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:35:20,810 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:20,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:20,820 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:20,823 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:20,832 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:20,895 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:35:20,895 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 09:35:20,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:20,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:20,897 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:20,908 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:20,908 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:20,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-20 09:35:20,951 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:35:20,951 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret5=0} Honda state: {mult_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:35:20,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:20,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:20,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:20,957 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:20,964 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:20,964 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:20,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-20 09:35:20,995 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:35:20,995 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~n=-6, mult_#in~n=-6} Honda state: {mult_~n=-6, mult_#in~n=-6} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:35:21,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:21,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:21,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:21,002 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:21,007 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:21,008 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:21,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-20 09:35:21,024 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:35:21,024 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret4=0} Honda state: {mult_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:35:21,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:21,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:21,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:21,029 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:21,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-20 09:35:21,035 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:35:21,036 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:21,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:21,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:21,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:21,065 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:21,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-20 09:35:21,068 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 09:35:21,068 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:35:22,078 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 09:35:22,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:22,082 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:35:22,082 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:35:22,082 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:35:22,083 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:35:22,083 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:35:22,083 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:22,083 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:35:22,083 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:35:22,083 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration9_Loop [2022-11-20 09:35:22,083 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:35:22,083 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:35:22,084 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:22,092 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:22,094 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:22,097 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:22,115 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:22,174 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:35:22,175 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:35:22,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:22,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:22,177 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:22,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-20 09:35:22,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:22,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:22,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:22,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:22,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:22,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:22,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:22,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:22,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:22,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:22,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:22,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:22,206 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:22,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-20 09:35:22,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:22,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:22,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:22,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:22,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:22,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:22,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:22,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:22,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:22,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:22,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:22,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:22,233 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:22,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-20 09:35:22,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:22,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:22,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:22,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:22,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:22,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:22,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:22,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:22,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:22,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:22,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:22,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:22,259 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:22,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-20 09:35:22,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:22,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:22,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:22,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:22,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:22,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:22,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:22,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:22,284 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:35:22,287 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-20 09:35:22,287 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-20 09:35:22,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:22,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:22,288 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:22,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-20 09:35:22,292 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:35:22,292 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 09:35:22,292 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:35:22,292 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_~m) = 1*mult_~m Supporting invariants [] [2022-11-20 09:35:22,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2022-11-20 09:35:22,296 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 09:35:22,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:22,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 09:35:22,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:22,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 09:35:22,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:22,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:22,533 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-11-20 09:35:22,534 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 191 states and 257 transitions. cyclomatic complexity: 75 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) [2022-11-20 09:35:22,649 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 191 states and 257 transitions. cyclomatic complexity: 75. 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 232 states and 303 transitions. Complement of second has 11 states. [2022-11-20 09:35:22,650 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 [2022-11-20 09:35:22,651 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) [2022-11-20 09:35:22,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 54 transitions. [2022-11-20 09:35:22,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 22 letters. Loop has 3 letters. [2022-11-20 09:35:22,654 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:22,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 25 letters. Loop has 3 letters. [2022-11-20 09:35:22,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:22,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 22 letters. Loop has 6 letters. [2022-11-20 09:35:22,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:22,656 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 303 transitions. [2022-11-20 09:35:22,660 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2022-11-20 09:35:22,663 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 222 states and 293 transitions. [2022-11-20 09:35:22,663 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2022-11-20 09:35:22,664 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 190 [2022-11-20 09:35:22,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 222 states and 293 transitions. [2022-11-20 09:35:22,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:35:22,665 INFO L218 hiAutomatonCegarLoop]: Abstraction has 222 states and 293 transitions. [2022-11-20 09:35:22,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states and 293 transitions. [2022-11-20 09:35:22,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 209. [2022-11-20 09:35:22,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 156 states have (on average 1.2692307692307692) internal successors, (198), 162 states have internal predecessors, (198), 34 states have call successors, (37), 25 states have call predecessors, (37), 19 states have return successors, (44), 21 states have call predecessors, (44), 23 states have call successors, (44) [2022-11-20 09:35:22,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 279 transitions. [2022-11-20 09:35:22,680 INFO L240 hiAutomatonCegarLoop]: Abstraction has 209 states and 279 transitions. [2022-11-20 09:35:22,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:22,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:35:22,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:35:22,683 INFO L87 Difference]: Start difference. First operand 209 states and 279 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) [2022-11-20 09:35:22,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:22,726 INFO L93 Difference]: Finished difference Result 205 states and 270 transitions. [2022-11-20 09:35:22,726 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 205 states and 270 transitions. [2022-11-20 09:35:22,730 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2022-11-20 09:35:22,732 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 205 states to 145 states and 177 transitions. [2022-11-20 09:35:22,732 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2022-11-20 09:35:22,733 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2022-11-20 09:35:22,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 177 transitions. [2022-11-20 09:35:22,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:35:22,733 INFO L218 hiAutomatonCegarLoop]: Abstraction has 145 states and 177 transitions. [2022-11-20 09:35:22,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 177 transitions. [2022-11-20 09:35:22,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 125. [2022-11-20 09:35:22,738 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) [2022-11-20 09:35:22,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 154 transitions. [2022-11-20 09:35:22,740 INFO L240 hiAutomatonCegarLoop]: Abstraction has 125 states and 154 transitions. [2022-11-20 09:35:22,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:35:22,741 INFO L428 stractBuchiCegarLoop]: Abstraction has 125 states and 154 transitions. [2022-11-20 09:35:22,741 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-20 09:35:22,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 154 transitions. [2022-11-20 09:35:22,743 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2022-11-20 09:35:22,743 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:35:22,743 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:35:22,744 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:22,744 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:22,744 INFO L748 eck$LassoCheckResult]: Stem: 5074#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 5075#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 5086#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 5079#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 5120#is_prime_ENTRY ~n := #in~n;~m := #in~m; 5137#L58 assume !(~n <= 1); 5136#L61 assume !(2 == ~n); 5135#L64 assume ~n > 2; 5134#L65 assume !(~m <= 1); 5103#L68 call #t~ret10 := multiple_of(~n, ~m);< 5133#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5132#L32 assume !(~m < 0); 5131#L35 assume !(~n < 0); 5130#L38 assume !(0 == ~m); 5129#L41 assume !(0 == ~n); 5083#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5124#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5125#L32 assume !(~m < 0); 5145#L35 assume ~n < 0; 5094#L36 call #t~ret7 := multiple_of(-~n, ~m);< 5127#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5128#L32 assume !(~m < 0); 5160#L35 assume !(~n < 0); 5154#L38 assume !(0 == ~m); 5149#L41 assume !(0 == ~n); 5088#L44 [2022-11-20 09:35:22,744 INFO L750 eck$LassoCheckResult]: Loop: 5088#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5158#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5165#L32 assume !(~m < 0); 5163#L35 assume ~n < 0; 5087#L36 call #t~ret7 := multiple_of(-~n, ~m);< 5091#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5162#L32 assume !(~m < 0); 5161#L35 assume !(~n < 0); 5155#L38 assume !(0 == ~m); 5150#L41 assume !(0 == ~n); 5088#L44 [2022-11-20 09:35:22,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:22,745 INFO L85 PathProgramCache]: Analyzing trace with hash -155061355, now seen corresponding path program 1 times [2022-11-20 09:35:22,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:22,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126270886] [2022-11-20 09:35:22,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:22,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:22,857 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:22,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:22,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126270886] [2022-11-20 09:35:22,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126270886] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:35:22,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414456930] [2022-11-20 09:35:22,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:22,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:35:22,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:22,859 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:35:22,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2022-11-20 09:35:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:22,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 09:35:22,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:23,017 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:23,017 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:35:23,145 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:23,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414456930] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:35:23,146 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:35:23,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2022-11-20 09:35:23,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127742454] [2022-11-20 09:35:23,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:35:23,147 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 09:35:23,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:23,148 INFO L85 PathProgramCache]: Analyzing trace with hash -2044787022, now seen corresponding path program 1 times [2022-11-20 09:35:23,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:23,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704036161] [2022-11-20 09:35:23,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:23,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:23,154 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:23,158 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:23,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:23,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 09:35:23,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-20 09:35:23,475 INFO L87 Difference]: Start difference. First operand 125 states and 154 transitions. cyclomatic complexity: 35 Second operand has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 8 states have internal predecessors, (34), 6 states have call successors, (7), 7 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:23,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:23,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:23,773 INFO L93 Difference]: Finished difference Result 153 states and 195 transitions. [2022-11-20 09:35:23,773 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 195 transitions. [2022-11-20 09:35:23,776 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2022-11-20 09:35:23,778 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 151 states and 193 transitions. [2022-11-20 09:35:23,779 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2022-11-20 09:35:23,779 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2022-11-20 09:35:23,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 151 states and 193 transitions. [2022-11-20 09:35:23,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:35:23,780 INFO L218 hiAutomatonCegarLoop]: Abstraction has 151 states and 193 transitions. [2022-11-20 09:35:23,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states and 193 transitions. [2022-11-20 09:35:23,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 147. [2022-11-20 09:35:23,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 112 states have (on average 1.1071428571428572) internal successors, (124), 118 states have internal predecessors, (124), 20 states have call successors, (20), 15 states have call predecessors, (20), 15 states have return successors, (36), 13 states have call predecessors, (36), 17 states have call successors, (36) [2022-11-20 09:35:23,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 180 transitions. [2022-11-20 09:35:23,787 INFO L240 hiAutomatonCegarLoop]: Abstraction has 147 states and 180 transitions. [2022-11-20 09:35:23,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 09:35:23,788 INFO L428 stractBuchiCegarLoop]: Abstraction has 147 states and 180 transitions. [2022-11-20 09:35:23,789 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-20 09:35:23,789 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 147 states and 180 transitions. [2022-11-20 09:35:23,791 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2022-11-20 09:35:23,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:35:23,791 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:35:23,792 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:23,792 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:23,792 INFO L748 eck$LassoCheckResult]: Stem: 5523#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 5524#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 5535#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 5526#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 5558#is_prime_ENTRY ~n := #in~n;~m := #in~m; 5580#L58 assume !(~n <= 1); 5579#L61 assume !(2 == ~n); 5578#L64 assume ~n > 2; 5577#L65 assume !(~m <= 1); 5571#L68 call #t~ret10 := multiple_of(~n, ~m);< 5576#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5575#L32 assume !(~m < 0); 5574#L35 assume !(~n < 0); 5573#L38 assume !(0 == ~m); 5572#L41 assume !(0 == ~n); 5569#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5568#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5570#L32 assume !(~m < 0); 5605#L35 assume !(~n < 0); 5603#L38 assume !(0 == ~m); 5601#L41 assume !(0 == ~n); 5532#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5548#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5549#L32 assume !(~m < 0); 5606#L35 assume ~n < 0; 5518#L36 call #t~ret7 := multiple_of(-~n, ~m);< 5562#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5563#L32 assume !(~m < 0); 5638#L35 assume !(~n < 0); 5637#L38 assume !(0 == ~m); 5636#L41 assume !(0 == ~n); 5554#L44 [2022-11-20 09:35:23,793 INFO L750 eck$LassoCheckResult]: Loop: 5554#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5555#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5633#L32 assume !(~m < 0); 5630#L35 assume ~n < 0; 5520#L36 call #t~ret7 := multiple_of(-~n, ~m);< 5536#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5632#L32 assume !(~m < 0); 5629#L35 assume !(~n < 0); 5628#L38 assume !(0 == ~m); 5627#L41 assume !(0 == ~n); 5554#L44 [2022-11-20 09:35:23,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:23,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1134874352, now seen corresponding path program 2 times [2022-11-20 09:35:23,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:23,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899451635] [2022-11-20 09:35:23,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:23,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:23,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:23,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:23,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:23,816 INFO L85 PathProgramCache]: Analyzing trace with hash -2044787022, now seen corresponding path program 2 times [2022-11-20 09:35:23,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:23,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313001208] [2022-11-20 09:35:23,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:23,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:23,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:23,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:23,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:23,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1280798977, now seen corresponding path program 3 times [2022-11-20 09:35:23,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:23,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144719722] [2022-11-20 09:35:23,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:23,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:23,841 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:23,853 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:25,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:25,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 09:35:25 BoogieIcfgContainer [2022-11-20 09:35:25,596 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 09:35:25,596 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:35:25,596 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:35:25,597 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:35:25,598 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:35:05" (3/4) ... [2022-11-20 09:35:25,601 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-20 09:35:25,651 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 09:35:25,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:35:25,653 INFO L158 Benchmark]: Toolchain (without parser) took 20725.87ms. Allocated memory was 134.2MB in the beginning and 195.0MB in the end (delta: 60.8MB). Free memory was 89.7MB in the beginning and 61.3MB in the end (delta: 28.4MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. [2022-11-20 09:35:25,653 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:35:25,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.92ms. Allocated memory is still 134.2MB. Free memory was 89.7MB in the beginning and 99.4MB in the end (delta: -9.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 09:35:25,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.96ms. Allocated memory is still 134.2MB. Free memory was 99.4MB in the beginning and 98.5MB in the end (delta: 842.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:35:25,654 INFO L158 Benchmark]: Boogie Preprocessor took 54.37ms. Allocated memory is still 134.2MB. Free memory was 98.5MB in the beginning and 97.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:35:25,655 INFO L158 Benchmark]: RCFGBuilder took 488.97ms. Allocated memory is still 134.2MB. Free memory was 97.3MB in the beginning and 83.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 09:35:25,655 INFO L158 Benchmark]: BuchiAutomizer took 19636.98ms. Allocated memory was 134.2MB in the beginning and 195.0MB in the end (delta: 60.8MB). Free memory was 83.6MB in the beginning and 63.4MB in the end (delta: 20.2MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. [2022-11-20 09:35:25,656 INFO L158 Benchmark]: Witness Printer took 55.65ms. Allocated memory is still 195.0MB. Free memory was 63.4MB in the beginning and 61.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:35:25,658 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.92ms. Allocated memory is still 134.2MB. Free memory was 89.7MB in the beginning and 99.4MB in the end (delta: -9.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.96ms. Allocated memory is still 134.2MB. Free memory was 99.4MB in the beginning and 98.5MB in the end (delta: 842.0kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.37ms. Allocated memory is still 134.2MB. Free memory was 98.5MB in the beginning and 97.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 488.97ms. Allocated memory is still 134.2MB. Free memory was 97.3MB in the beginning and 83.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 19636.98ms. Allocated memory was 134.2MB in the beginning and 195.0MB in the end (delta: 60.8MB). Free memory was 83.6MB in the beginning and 63.4MB in the end (delta: 20.2MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. * Witness Printer took 55.65ms. Allocated memory is still 195.0MB. Free memory was 63.4MB in the beginning and 61.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 6 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 14 locations. The remainder module has 147 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 19.4s and 11 iterations. TraceHistogramMax:4. Analysis of lassos took 14.2s. Construction of modules took 1.2s. Büchi inclusion checks took 3.5s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 11. Automata minimization 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 271 StatesRemovedByMinimization, 15 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [7, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/7 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 692 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 666 mSDsluCounter, 1855 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1196 mSDsCounter, 206 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 982 IncrementalHoareTripleChecker+Invalid, 1188 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 206 mSolverCounterUnsat, 659 mSDtfsCounter, 982 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown 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 eq172 hnf92 smp90 dnf100 smp100 tf109 neg98 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 19 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 7 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 5.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 44]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L77] int n = __VERIFIER_nondet_int(); [L78] COND FALSE !(n < 1 || n > 46340) [L83] CALL is_prime(n) [L53] CALL is_prime_(n, n - 1) VAL [\old(m)=2, \old(n)=3] [L58] COND FALSE !(n <= 1) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L61] COND FALSE !(n == 2) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L64] COND TRUE n > 2 VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L65] COND FALSE !(m <= 1) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L68] CALL multiple_of(n, m) VAL [\old(m)=2, \old(n)=3] [L32] COND FALSE !(m < 0) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L35] COND FALSE !(n < 0) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L38] COND FALSE !(m == 0) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L41] COND FALSE !(n == 0) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L44] CALL multiple_of(n - m, m) VAL [\old(m)=2, \old(n)=1] [L32] COND FALSE !(m < 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L35] COND FALSE !(n < 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L38] COND FALSE !(m == 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L41] COND FALSE !(n == 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L44] CALL multiple_of(n - m, m) VAL [\old(m)=2, \old(n)=-1] [L32] COND FALSE !(m < 0) VAL [\old(m)=2, \old(n)=-1, m=2, n=-1] [L35] COND TRUE n < 0 VAL [\old(m)=2, \old(n)=-1, m=2, n=-1] [L36] CALL multiple_of(-n, m) VAL [\old(m)=2, \old(n)=1] [L32] COND FALSE !(m < 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L35] COND FALSE !(n < 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L38] COND FALSE !(m == 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L41] COND FALSE !(n == 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] 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. - 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) [L83] CALL is_prime(n) [L53] CALL is_prime_(n, n - 1) VAL [\old(m)=2, \old(n)=3] [L58] COND FALSE !(n <= 1) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L61] COND FALSE !(n == 2) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L64] COND TRUE n > 2 VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L65] COND FALSE !(m <= 1) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L68] CALL multiple_of(n, m) VAL [\old(m)=2, \old(n)=3] [L32] COND FALSE !(m < 0) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L35] COND FALSE !(n < 0) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L38] COND FALSE !(m == 0) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L41] COND FALSE !(n == 0) VAL [\old(m)=2, \old(n)=3, m=2, n=3] [L44] CALL multiple_of(n - m, m) VAL [\old(m)=2, \old(n)=1] [L32] COND FALSE !(m < 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L35] COND FALSE !(n < 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L38] COND FALSE !(m == 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L41] COND FALSE !(n == 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L44] CALL multiple_of(n - m, m) VAL [\old(m)=2, \old(n)=-1] [L32] COND FALSE !(m < 0) VAL [\old(m)=2, \old(n)=-1, m=2, n=-1] [L35] COND TRUE n < 0 VAL [\old(m)=2, \old(n)=-1, m=2, n=-1] [L36] CALL multiple_of(-n, m) VAL [\old(m)=2, \old(n)=1] [L32] COND FALSE !(m < 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L35] COND FALSE !(n < 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L38] COND FALSE !(m == 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] [L41] COND FALSE !(n == 0) VAL [\old(m)=2, \old(n)=1, m=2, n=1] 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! [2022-11-20 09:35:25,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:25,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 09:35:26,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ca373a-698e-43c6-a64b-2bf1109ac937/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)