./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Primes.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 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-5e519f3 [2022-11-02 20:58:43,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:58:43,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:58:43,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:58:43,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:58:43,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:58:43,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:58:43,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:58:43,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:58:43,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:58:43,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:58:43,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:58:43,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:58:43,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:58:43,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:58:43,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:58:43,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:58:43,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:58:43,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:58:43,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:58:43,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:58:43,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:58:43,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:58:43,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:58:43,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:58:43,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:58:43,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:58:43,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:58:43,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:58:43,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:58:43,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:58:43,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:58:43,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:58:43,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:58:43,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:58:43,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:58:43,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:58:43,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:58:43,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:58:43,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:58:43,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:58:43,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 20:58:43,358 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:58:43,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:58:43,358 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:58:43,358 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:58:43,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:58:43,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:58:43,360 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:58:43,360 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:58:43,360 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:58:43,360 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:58:43,361 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:58:43,361 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:58:43,361 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:58:43,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:58:43,361 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:58:43,361 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:58:43,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:58:43,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:58:43,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:58:43,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:58:43,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:58:43,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:58:43,365 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:58:43,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:58:43,366 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:58:43,366 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:58:43,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:58:43,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:58:43,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:58:43,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:58:43,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:58:43,369 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:58:43,369 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_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16beca065b3aeb336c54dcf96f3abbe61553e7d28b28c1a40f525ad89a5da56e [2022-11-02 20:58:43,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:58:43,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:58:43,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:58:43,743 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:58:43,744 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:58:43,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/recursive/Primes.c [2022-11-02 20:58:43,819 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/data/58c8c9aac/9e8a70b33c9e46c69d0ff41970375bdc/FLAG4c7bdb6ab [2022-11-02 20:58:44,334 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:58:44,334 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/sv-benchmarks/c/recursive/Primes.c [2022-11-02 20:58:44,340 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/data/58c8c9aac/9e8a70b33c9e46c69d0ff41970375bdc/FLAG4c7bdb6ab [2022-11-02 20:58:44,667 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/data/58c8c9aac/9e8a70b33c9e46c69d0ff41970375bdc [2022-11-02 20:58:44,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:58:44,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:58:44,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:58:44,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:58:44,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:58:44,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:58:44" (1/1) ... [2022-11-02 20:58:44,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57258435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:44, skipping insertion in model container [2022-11-02 20:58:44,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:58:44" (1/1) ... [2022-11-02 20:58:44,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:58:44,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:58:44,955 WARN L230 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_a7805d9a-03c5-4364-8adb-00e3e5c33501/sv-benchmarks/c/recursive/Primes.c[2190,2203] [2022-11-02 20:58:44,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:58:44,965 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:58:44,985 WARN L230 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_a7805d9a-03c5-4364-8adb-00e3e5c33501/sv-benchmarks/c/recursive/Primes.c[2190,2203] [2022-11-02 20:58:44,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:58:44,999 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:58:44,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:44 WrapperNode [2022-11-02 20:58:44,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:58:45,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:58:45,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:58:45,001 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:58:45,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:44" (1/1) ... [2022-11-02 20:58:45,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:44" (1/1) ... [2022-11-02 20:58:45,032 INFO L138 Inliner]: procedures = 16, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2022-11-02 20:58:45,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:58:45,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:58:45,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:58:45,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:58:45,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:44" (1/1) ... [2022-11-02 20:58:45,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:44" (1/1) ... [2022-11-02 20:58:45,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:44" (1/1) ... [2022-11-02 20:58:45,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:44" (1/1) ... [2022-11-02 20:58:45,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:44" (1/1) ... [2022-11-02 20:58:45,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:44" (1/1) ... [2022-11-02 20:58:45,051 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:44" (1/1) ... [2022-11-02 20:58:45,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:44" (1/1) ... [2022-11-02 20:58:45,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:58:45,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:58:45,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:58:45,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:58:45,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:44" (1/1) ... [2022-11-02 20:58:45,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:45,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:45,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:45,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:58:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure multiple_of [2022-11-02 20:58:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure multiple_of [2022-11-02 20:58:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:58:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2022-11-02 20:58:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2022-11-02 20:58:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure is_prime_ [2022-11-02 20:58:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure is_prime_ [2022-11-02 20:58:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:58:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:58:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:58:45,235 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:58:45,237 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:58:45,482 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:58:45,489 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:58:45,489 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:58:45,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:58:45 BoogieIcfgContainer [2022-11-02 20:58:45,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:58:45,493 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:58:45,493 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:58:45,498 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:58:45,498 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:58:45,499 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:58:44" (1/3) ... [2022-11-02 20:58:45,500 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@476e6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:58:45, skipping insertion in model container [2022-11-02 20:58:45,500 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:58:45,500 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:44" (2/3) ... [2022-11-02 20:58:45,501 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@476e6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:58:45, skipping insertion in model container [2022-11-02 20:58:45,501 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:58:45,501 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:58:45" (3/3) ... [2022-11-02 20:58:45,502 INFO L332 chiAutomizerObserver]: Analyzing ICFG Primes.c [2022-11-02 20:58:45,590 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:58:45,591 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:58:45,591 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:58:45,591 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:58:45,591 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:58:45,591 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:58:45,592 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:58:45,592 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:58:45,597 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) [2022-11-02 20:58:45,633 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2022-11-02 20:58:45,637 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:58:45,637 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:58:45,644 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 20:58:45,644 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:45,645 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:58:45,645 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) [2022-11-02 20:58:45,659 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2022-11-02 20:58:45,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:58:45,659 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:58:45,660 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 20:58:45,661 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:45,669 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 [2022-11-02 20:58:45,671 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 [2022-11-02 20:58:45,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:45,684 INFO L85 PathProgramCache]: Analyzing trace with hash 2218663, now seen corresponding path program 1 times [2022-11-02 20:58:45,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:45,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171438171] [2022-11-02 20:58:45,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:45,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:45,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:58:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:45,878 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:58:45,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:45,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1788949215, now seen corresponding path program 1 times [2022-11-02 20:58:45,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:45,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663289914] [2022-11-02 20:58:45,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:45,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:46,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:58:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:46,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:46,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:46,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663289914] [2022-11-02 20:58:46,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663289914] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:46,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:46,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:58:46,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530411052] [2022-11-02 20:58:46,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:46,153 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:58:46,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:46,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:58:46,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:58:46,190 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) [2022-11-02 20:58:46,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:58:46,288 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2022-11-02 20:58:46,289 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 80 transitions. [2022-11-02 20:58:46,293 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2022-11-02 20:58:46,320 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 41 states and 54 transitions. [2022-11-02 20:58:46,321 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2022-11-02 20:58:46,322 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2022-11-02 20:58:46,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 54 transitions. [2022-11-02 20:58:46,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:46,325 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 54 transitions. [2022-11-02 20:58:46,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 54 transitions. [2022-11-02 20:58:46,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2022-11-02 20:58:46,355 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) [2022-11-02 20:58:46,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 51 transitions. [2022-11-02 20:58:46,358 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 51 transitions. [2022-11-02 20:58:46,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:58:46,364 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 51 transitions. [2022-11-02 20:58:46,364 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:58:46,364 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 51 transitions. [2022-11-02 20:58:46,365 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2022-11-02 20:58:46,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:58:46,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:58:46,366 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 20:58:46,367 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:46,367 INFO L748 eck$LassoCheckResult]: Stem: 155#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 138#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 139#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 134#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 135#is_prime_ENTRY [2022-11-02 20:58:46,367 INFO L750 eck$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 [2022-11-02 20:58:46,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:46,368 INFO L85 PathProgramCache]: Analyzing trace with hash 2218663, now seen corresponding path program 2 times [2022-11-02 20:58:46,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:46,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847805708] [2022-11-02 20:58:46,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:46,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:46,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:58:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:46,386 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:58:46,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:46,387 INFO L85 PathProgramCache]: Analyzing trace with hash 399153633, now seen corresponding path program 1 times [2022-11-02 20:58:46,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:46,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769599320] [2022-11-02 20:58:46,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:46,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:46,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:58:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:46,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:46,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:46,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769599320] [2022-11-02 20:58:46,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769599320] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:46,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:46,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:58:46,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420340165] [2022-11-02 20:58:46,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:46,507 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:58:46,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:46,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:58:46,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:58:46,508 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) [2022-11-02 20:58:46,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:58:46,595 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2022-11-02 20:58:46,595 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2022-11-02 20:58:46,597 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2022-11-02 20:58:46,598 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 57 transitions. [2022-11-02 20:58:46,599 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2022-11-02 20:58:46,599 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2022-11-02 20:58:46,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 57 transitions. [2022-11-02 20:58:46,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:46,600 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 57 transitions. [2022-11-02 20:58:46,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 57 transitions. [2022-11-02 20:58:46,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2022-11-02 20:58:46,605 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) [2022-11-02 20:58:46,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 54 transitions. [2022-11-02 20:58:46,606 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 54 transitions. [2022-11-02 20:58:46,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:58:46,608 INFO L428 stractBuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2022-11-02 20:58:46,608 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 20:58:46,608 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 54 transitions. [2022-11-02 20:58:46,609 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2022-11-02 20:58:46,609 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:58:46,609 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:58:46,610 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 20:58:46,610 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] [2022-11-02 20:58:46,611 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 [2022-11-02 20:58:46,611 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 [2022-11-02 20:58:46,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:46,612 INFO L85 PathProgramCache]: Analyzing trace with hash 2218663, now seen corresponding path program 3 times [2022-11-02 20:58:46,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:46,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672340438] [2022-11-02 20:58:46,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:46,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:46,620 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:58:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:46,628 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:58:46,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:46,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1840266607, now seen corresponding path program 1 times [2022-11-02 20:58:46,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:46,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320769711] [2022-11-02 20:58:46,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:46,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:46,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:58:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:46,661 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:58:46,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:46,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1482001207, now seen corresponding path program 1 times [2022-11-02 20:58:46,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:46,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421087029] [2022-11-02 20:58:46,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:46,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:46,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-02 20:58:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:46,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:58:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,002 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:58:47,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:47,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421087029] [2022-11-02 20:58:47,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421087029] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:58:47,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293381386] [2022-11-02 20:58:47,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:47,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:58:47,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:47,023 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:58:47,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:58:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-02 20:58:47,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:58:47,331 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:58:47,331 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:58:47,675 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:58:47,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293381386] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:58:47,676 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:58:47,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2022-11-02 20:58:47,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521850348] [2022-11-02 20:58:47,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:58:48,048 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:58:48,049 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:58:48,049 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:58:48,049 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:58:48,050 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:58:48,050 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:48,050 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:58:48,050 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:58:48,050 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration3_Loop [2022-11-02 20:58:48,050 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:58:48,051 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:58:48,064 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:48,073 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:48,076 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:48,079 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:48,090 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:48,096 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:48,170 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:58:48,171 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:58:48,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:48,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:48,178 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:48,181 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:48,181 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:48,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:58:48,219 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:48,219 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: [] [2022-11-02 20:58:48,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:48,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:48,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:48,283 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:48,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:58:48,286 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:48,287 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:48,312 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:48,312 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__~m=0} Honda state: {is_prime__~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:58:48,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:48,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:48,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:48,351 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:48,354 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:48,354 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:48,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:58:48,371 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:48,371 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__~n=0} Honda state: {is_prime__~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:58:48,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:48,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:48,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:48,401 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:48,407 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:48,407 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:48,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:58:48,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:48,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:48,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:48,467 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:48,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:58:48,469 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:58:48,469 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:48,756 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:58:48,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:48,760 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:58:48,760 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:58:48,760 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:58:48,760 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:58:48,760 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:58:48,760 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:48,760 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:58:48,760 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:58:48,760 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration3_Loop [2022-11-02 20:58:48,760 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:58:48,760 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:58:48,762 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:48,770 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:48,772 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:48,774 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:48,786 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:48,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:48,840 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:58:48,844 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:58:48,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:48,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:48,847 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:48,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:48,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:48,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:48,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:48,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:48,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:48,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:48,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:48,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:58:48,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:48,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:48,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:48,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:48,926 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:48,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 20:58:48,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:48,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:48,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:48,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:48,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:48,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:48,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:48,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:48,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:48,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:48,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:48,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:48,994 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:49,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:49,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:49,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:49,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:49,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:49,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:49,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:49,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:49,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 20:58:49,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:49,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:49,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:49,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:49,071 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:49,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-02 20:58:49,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:49,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:49,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:49,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:49,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:49,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:49,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:49,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:49,098 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:58:49,104 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-02 20:58:49,104 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-02 20:58:49,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:49,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:49,107 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:49,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-02 20:58:49,119 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:58:49,120 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-02 20:58:49,120 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:58:49,120 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(is_prime__#in~m) = 1*is_prime__#in~m Supporting invariants [] [2022-11-02 20:58:49,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:49,157 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-02 20:58:49,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:49,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:58:49,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:58:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:49,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-02 20:58:49,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:58:49,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:49,551 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:58:49,555 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 [2022-11-02 20:58:49,556 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) [2022-11-02 20:58:50,179 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. [2022-11-02 20:58:50,180 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 [2022-11-02 20:58:50,181 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) [2022-11-02 20:58:50,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 77 transitions. [2022-11-02 20:58:50,184 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 77 transitions. Stem has 4 letters. Loop has 24 letters. [2022-11-02 20:58:50,186 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:58:50,186 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 77 transitions. Stem has 28 letters. Loop has 24 letters. [2022-11-02 20:58:50,187 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:58:50,187 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 77 transitions. Stem has 4 letters. Loop has 48 letters. [2022-11-02 20:58:50,188 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:58:50,188 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 322 states and 477 transitions. [2022-11-02 20:58:50,198 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 30 [2022-11-02 20:58:50,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 322 states to 264 states and 371 transitions. [2022-11-02 20:58:50,205 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 156 [2022-11-02 20:58:50,206 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 159 [2022-11-02 20:58:50,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 264 states and 371 transitions. [2022-11-02 20:58:50,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:58:50,206 INFO L218 hiAutomatonCegarLoop]: Abstraction has 264 states and 371 transitions. [2022-11-02 20:58:50,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states and 371 transitions. [2022-11-02 20:58:50,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 163. [2022-11-02 20:58:50,227 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) [2022-11-02 20:58:50,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 220 transitions. [2022-11-02 20:58:50,230 INFO L240 hiAutomatonCegarLoop]: Abstraction has 163 states and 220 transitions. [2022-11-02 20:58:50,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:50,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:58:50,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:58:50,231 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) [2022-11-02 20:58:50,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:58:50,467 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2022-11-02 20:58:50,467 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 171 states and 229 transitions. [2022-11-02 20:58:50,477 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2022-11-02 20:58:50,481 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 171 states to 107 states and 147 transitions. [2022-11-02 20:58:50,486 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 107 [2022-11-02 20:58:50,487 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 107 [2022-11-02 20:58:50,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 107 states and 147 transitions. [2022-11-02 20:58:50,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:50,492 INFO L218 hiAutomatonCegarLoop]: Abstraction has 107 states and 147 transitions. [2022-11-02 20:58:50,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states and 147 transitions. [2022-11-02 20:58:50,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 93. [2022-11-02 20:58:50,509 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) [2022-11-02 20:58:50,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 126 transitions. [2022-11-02 20:58:50,510 INFO L240 hiAutomatonCegarLoop]: Abstraction has 93 states and 126 transitions. [2022-11-02 20:58:50,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:58:50,522 INFO L428 stractBuchiCegarLoop]: Abstraction has 93 states and 126 transitions. [2022-11-02 20:58:50,522 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-02 20:58:50,523 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 126 transitions. [2022-11-02 20:58:50,524 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2022-11-02 20:58:50,524 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:58:50,524 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:58:50,525 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:50,525 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:58:50,525 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 [2022-11-02 20:58:50,525 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 [2022-11-02 20:58:50,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:50,526 INFO L85 PathProgramCache]: Analyzing trace with hash -123397399, now seen corresponding path program 1 times [2022-11-02 20:58:50,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:50,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256673633] [2022-11-02 20:58:50,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:50,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:50,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:50,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:50,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256673633] [2022-11-02 20:58:50,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256673633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:50,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:50,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:58:50,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28529182] [2022-11-02 20:58:50,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:50,590 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:58:50,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:50,591 INFO L85 PathProgramCache]: Analyzing trace with hash 132621, now seen corresponding path program 1 times [2022-11-02 20:58:50,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:50,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235015728] [2022-11-02 20:58:50,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:50,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:50,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:58:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:50,602 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:58:50,676 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:58:50,676 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:58:50,677 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:58:50,677 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:58:50,677 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:58:50,677 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:50,677 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:58:50,677 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:58:50,677 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration4_Loop [2022-11-02 20:58:50,678 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:58:50,678 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:58:50,680 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:50,682 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:50,689 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:50,694 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:50,700 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:50,702 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:50,747 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:58:50,747 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:58:50,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:50,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:50,751 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:50,760 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:50,761 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:50,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-02 20:58:50,791 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:50,791 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: [] [2022-11-02 20:58:50,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:50,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:50,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:50,831 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:50,840 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:50,840 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:50,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-02 20:58:50,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:50,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:50,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:50,912 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:50,924 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:58:50,924 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:50,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-02 20:58:52,759 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:58:52,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:52,767 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:58:52,767 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:58:52,767 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:58:52,768 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:58:52,768 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:58:52,768 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:52,768 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:58:52,768 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:58:52,768 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration4_Loop [2022-11-02 20:58:52,768 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:58:52,768 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:58:52,769 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:52,784 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:52,787 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:52,795 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:52,798 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:52,801 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:52,851 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:58:52,852 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:58:52,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:52,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:52,853 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:52,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:52,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:52,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:52,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:52,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:52,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:52,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:52,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:52,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-02 20:58:52,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:52,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:52,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:52,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:52,926 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:52,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:52,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-02 20:58:52,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:52,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:52,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:52,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:52,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:52,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:52,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:52,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:52,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:52,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:52,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:52,999 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:53,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:53,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:53,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:53,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:53,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:53,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:53,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:53,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:53,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-02 20:58:53,034 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:58:53,047 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-02 20:58:53,047 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-02 20:58:53,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:53,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:53,049 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:53,054 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:58:53,054 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-02 20:58:53,055 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:58:53,055 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_~m) = 1*multiple_of_~m Supporting invariants [] [2022-11-02 20:58:53,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-02 20:58:53,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:53,094 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-02 20:58:53,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:53,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 20:58:53,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:58:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:53,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:58:53,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:58:53,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:53,207 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 [2022-11-02 20:58:53,207 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) [2022-11-02 20:58:53,272 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. [2022-11-02 20:58:53,273 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 [2022-11-02 20:58:53,287 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) [2022-11-02 20:58:53,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2022-11-02 20:58:53,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 12 letters. Loop has 3 letters. [2022-11-02 20:58:53,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:58:53,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-02 20:58:53,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:58:53,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 12 letters. Loop has 6 letters. [2022-11-02 20:58:53,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:58:53,289 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 191 states and 253 transitions. [2022-11-02 20:58:53,292 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 42 [2022-11-02 20:58:53,295 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 191 states to 137 states and 182 transitions. [2022-11-02 20:58:53,295 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113 [2022-11-02 20:58:53,296 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 114 [2022-11-02 20:58:53,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 182 transitions. [2022-11-02 20:58:53,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:58:53,296 INFO L218 hiAutomatonCegarLoop]: Abstraction has 137 states and 182 transitions. [2022-11-02 20:58:53,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 182 transitions. [2022-11-02 20:58:53,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 108. [2022-11-02 20:58:53,302 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) [2022-11-02 20:58:53,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 146 transitions. [2022-11-02 20:58:53,303 INFO L240 hiAutomatonCegarLoop]: Abstraction has 108 states and 146 transitions. [2022-11-02 20:58:53,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:53,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:58:53,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:58:53,304 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) [2022-11-02 20:58:53,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:58:53,360 INFO L93 Difference]: Finished difference Result 98 states and 128 transitions. [2022-11-02 20:58:53,360 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 128 transitions. [2022-11-02 20:58:53,361 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2022-11-02 20:58:53,363 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 98 states and 128 transitions. [2022-11-02 20:58:53,363 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2022-11-02 20:58:53,363 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2022-11-02 20:58:53,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 128 transitions. [2022-11-02 20:58:53,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:58:53,364 INFO L218 hiAutomatonCegarLoop]: Abstraction has 98 states and 128 transitions. [2022-11-02 20:58:53,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 128 transitions. [2022-11-02 20:58:53,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 92. [2022-11-02 20:58:53,379 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) [2022-11-02 20:58:53,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 121 transitions. [2022-11-02 20:58:53,384 INFO L240 hiAutomatonCegarLoop]: Abstraction has 92 states and 121 transitions. [2022-11-02 20:58:53,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:58:53,386 INFO L428 stractBuchiCegarLoop]: Abstraction has 92 states and 121 transitions. [2022-11-02 20:58:53,386 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-02 20:58:53,386 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 121 transitions. [2022-11-02 20:58:53,387 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2022-11-02 20:58:53,387 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:58:53,387 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:58:53,388 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:53,389 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:58:53,389 INFO L748 eck$LassoCheckResult]: Stem: 1930#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 1906#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 1907#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 1935#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 1946#is_prime_ENTRY ~n := #in~n;~m := #in~m; 1967#L58 assume ~n <= 1;#res := 0; 1949#is_prime_FINAL assume true; 1948#is_prime_EXIT >#118#return; 1945#L53-1 is_prime_#res#1 := is_prime_#t~ret9#1;havoc is_prime_#t~ret9#1; 1899#L53-2 main_#t~ret13#1 := is_prime_#res#1;assume { :end_inline_is_prime } true;main_~result~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;main_~f1~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 1900#L85 assume !(main_~f1~0#1 < 1 || main_~f1~0#1 > 46340);main_~f2~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 1904#L91 assume !(main_~f2~0#1 < 1 || main_~f2~0#1 > 46340);main_#t~short17#1 := 1 == main_~result~0#1; 1908#L97 assume main_#t~short17#1; 1909#L97-1 call main_#t~ret16#1 := mult(main_~f1~0#1, main_~f2~0#1);< 1918#multENTRY [2022-11-02 20:58:53,389 INFO L750 eck$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 [2022-11-02 20:58:53,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:53,390 INFO L85 PathProgramCache]: Analyzing trace with hash 636635474, now seen corresponding path program 1 times [2022-11-02 20:58:53,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:53,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793941670] [2022-11-02 20:58:53,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:53,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:53,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:58:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:53,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:53,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:53,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793941670] [2022-11-02 20:58:53,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793941670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:53,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:53,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:58:53,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465580535] [2022-11-02 20:58:53,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:53,487 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:58:53,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:53,489 INFO L85 PathProgramCache]: Analyzing trace with hash 53805, now seen corresponding path program 1 times [2022-11-02 20:58:53,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:53,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642208201] [2022-11-02 20:58:53,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:53,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:53,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:58:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:53,497 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:58:53,539 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:58:53,539 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:58:53,539 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:58:53,539 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:58:53,540 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:58:53,540 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:53,540 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:58:53,540 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:58:53,540 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration5_Loop [2022-11-02 20:58:53,540 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:58:53,540 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:58:53,542 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:53,546 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:53,549 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:53,551 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:53,553 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:53,555 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:53,559 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:53,602 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:58:53,602 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:58:53,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:53,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:53,619 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:53,663 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:53,663 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:53,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-02 20:58:53,687 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:53,687 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret4=0} Honda state: {mult_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:58:53,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:53,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:53,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:53,727 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:53,729 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:53,729 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:53,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-02 20:58:53,759 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:53,759 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#res=0} Honda state: {mult_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:58:53,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:53,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:53,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:53,783 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:53,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-02 20:58:53,786 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:53,786 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:53,798 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:53,798 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~m=0} Honda state: {mult_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:58:53,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-11-02 20:58:53,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:53,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:53,820 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:53,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-02 20:58:53,822 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:53,822 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:53,836 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:53,837 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~n=0} Honda state: {mult_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:58:53,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:53,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:53,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:53,862 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:53,868 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:53,868 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:53,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-02 20:58:53,879 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:53,879 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret5=0} Honda state: {mult_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:58:53,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-11-02 20:58:53,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:53,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:53,910 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:53,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-02 20:58:53,913 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:53,913 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:53,924 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:53,924 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#in~n=0} Honda state: {mult_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:58:53,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:53,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:53,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:53,948 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:53,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-02 20:58:53,963 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:53,963 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:54,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:54,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-11-02 20:58:54,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:54,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:54,022 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:54,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-02 20:58:54,024 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:58:54,025 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:54,101 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:58:54,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:54,104 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:58:54,104 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:58:54,104 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:58:54,104 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:58:54,104 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:58:54,105 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:54,105 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:58:54,105 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:58:54,105 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration5_Loop [2022-11-02 20:58:54,105 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:58:54,105 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:58:54,106 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:54,112 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:54,114 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:54,115 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:54,117 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:54,119 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:54,127 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:54,171 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:58:54,171 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:58:54,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:54,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:54,172 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:54,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-02 20:58:54,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:54,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:54,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:54,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:54,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:54,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:54,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:54,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:54,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:54,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:54,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:54,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:54,249 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:54,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:54,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-02 20:58:54,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:54,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:54,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:54,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:54,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:54,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:54,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:54,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:54,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-02 20:58:54,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:54,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:54,299 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:54,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-02 20:58:54,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:54,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:54,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:54,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:54,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:54,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:54,310 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:54,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:54,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:54,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-02 20:58:54,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:54,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:54,334 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:54,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-02 20:58:54,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:54,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:54,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:54,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:54,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:54,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:54,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:54,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:54,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:54,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-02 20:58:54,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:54,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:54,381 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:54,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-02 20:58:54,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:54,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:54,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:54,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:54,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:54,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:54,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:54,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:54,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:54,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-11-02 20:58:54,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:54,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:54,415 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:54,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-02 20:58:54,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:54,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:54,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:54,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:54,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:54,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:54,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:54,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:54,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:54,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-02 20:58:54,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:54,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:54,454 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:54,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-02 20:58:54,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:54,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:54,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:54,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:54,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:54,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:54,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:54,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:54,469 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:58:54,472 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-02 20:58:54,472 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-02 20:58:54,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:54,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:54,474 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:54,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-02 20:58:54,476 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:58:54,476 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-02 20:58:54,476 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:58:54,476 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_#in~m) = -1*mult_#in~m Supporting invariants [] [2022-11-02 20:58:54,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-11-02 20:58:54,497 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-02 20:58:54,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:54,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 20:58:54,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:58:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:54,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:58:54,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:58:54,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:54,654 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 [2022-11-02 20:58:54,654 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) [2022-11-02 20:58:54,775 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. [2022-11-02 20:58:54,775 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 [2022-11-02 20:58:54,778 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) [2022-11-02 20:58:54,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2022-11-02 20:58:54,780 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 14 letters. Loop has 3 letters. [2022-11-02 20:58:54,780 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:58:54,780 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 17 letters. Loop has 3 letters. [2022-11-02 20:58:54,780 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:58:54,780 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 14 letters. Loop has 6 letters. [2022-11-02 20:58:54,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:58:54,782 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 145 transitions. [2022-11-02 20:58:54,783 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2022-11-02 20:58:54,790 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 106 states and 137 transitions. [2022-11-02 20:58:54,791 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2022-11-02 20:58:54,791 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 101 [2022-11-02 20:58:54,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 106 states and 137 transitions. [2022-11-02 20:58:54,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:58:54,792 INFO L218 hiAutomatonCegarLoop]: Abstraction has 106 states and 137 transitions. [2022-11-02 20:58:54,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states and 137 transitions. [2022-11-02 20:58:54,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 97. [2022-11-02 20:58:54,805 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) [2022-11-02 20:58:54,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 128 transitions. [2022-11-02 20:58:54,806 INFO L240 hiAutomatonCegarLoop]: Abstraction has 97 states and 128 transitions. [2022-11-02 20:58:54,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:54,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:58:54,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:58:54,807 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) [2022-11-02 20:58:54,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:58:54,863 INFO L93 Difference]: Finished difference Result 108 states and 139 transitions. [2022-11-02 20:58:54,863 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 139 transitions. [2022-11-02 20:58:54,865 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2022-11-02 20:58:54,868 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 101 states and 131 transitions. [2022-11-02 20:58:54,869 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2022-11-02 20:58:54,869 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2022-11-02 20:58:54,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 131 transitions. [2022-11-02 20:58:54,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:58:54,870 INFO L218 hiAutomatonCegarLoop]: Abstraction has 101 states and 131 transitions. [2022-11-02 20:58:54,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 131 transitions. [2022-11-02 20:58:54,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 97. [2022-11-02 20:58:54,892 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) [2022-11-02 20:58:54,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 126 transitions. [2022-11-02 20:58:54,893 INFO L240 hiAutomatonCegarLoop]: Abstraction has 97 states and 126 transitions. [2022-11-02 20:58:54,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:58:54,894 INFO L428 stractBuchiCegarLoop]: Abstraction has 97 states and 126 transitions. [2022-11-02 20:58:54,897 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-02 20:58:54,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 126 transitions. [2022-11-02 20:58:54,898 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2022-11-02 20:58:54,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:58:54,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:58:54,899 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:54,899 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-02 20:58:54,899 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 [2022-11-02 20:58:54,899 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 [2022-11-02 20:58:54,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:54,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1674187120, now seen corresponding path program 1 times [2022-11-02 20:58:54,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:54,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450519458] [2022-11-02 20:58:54,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:54,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:54,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:54,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:54,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450519458] [2022-11-02 20:58:54,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450519458] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:54,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:54,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:58:54,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349102228] [2022-11-02 20:58:54,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:54,932 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:58:54,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:54,933 INFO L85 PathProgramCache]: Analyzing trace with hash 929675, now seen corresponding path program 1 times [2022-11-02 20:58:54,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:54,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372562507] [2022-11-02 20:58:54,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:54,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:54,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:58:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:54,938 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:58:54,981 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:58:54,982 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:58:54,982 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:58:54,982 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:58:54,982 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:58:54,982 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:54,982 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:58:54,982 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:58:54,983 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration6_Loop [2022-11-02 20:58:54,983 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:58:54,983 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:58:54,984 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:54,990 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:54,995 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:54,997 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:54,999 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:55,001 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:55,003 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:55,005 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:55,040 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:58:55,040 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:58:55,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:55,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:55,042 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:55,051 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:55,051 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:55,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-02 20:58:55,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:55,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:55,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:55,113 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:55,119 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:58:55,120 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:55,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-02 20:58:55,191 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:58:55,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:55,200 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:58:55,200 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:58:55,200 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:58:55,200 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:58:55,200 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:58:55,200 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:55,200 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:58:55,200 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:58:55,200 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration6_Loop [2022-11-02 20:58:55,200 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:58:55,200 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:58:55,201 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:55,208 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:55,211 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:55,216 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:55,219 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:55,221 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:55,225 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:55,227 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:55,274 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:58:55,274 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:58:55,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:55,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:55,276 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:55,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:55,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:55,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:55,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:55,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:55,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:55,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-02 20:58:55,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:55,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:55,314 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:58:55,316 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-02 20:58:55,317 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-02 20:58:55,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:55,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:55,322 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:55,325 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:58:55,325 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-02 20:58:55,325 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:58:55,325 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_#in~n) = -1*multiple_of_#in~n Supporting invariants [] [2022-11-02 20:58:55,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-02 20:58:55,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:55,360 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-02 20:58:55,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:55,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:55,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:58:55,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:58:55,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:55,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:58:55,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:58:55,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:55,511 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 [2022-11-02 20:58:55,511 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) [2022-11-02 20:58:55,570 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. [2022-11-02 20:58:55,570 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 [2022-11-02 20:58:55,571 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) [2022-11-02 20:58:55,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 56 transitions. [2022-11-02 20:58:55,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 56 transitions. Stem has 14 letters. Loop has 4 letters. [2022-11-02 20:58:55,572 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:58:55,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 56 transitions. Stem has 18 letters. Loop has 4 letters. [2022-11-02 20:58:55,572 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:58:55,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 56 transitions. Stem has 14 letters. Loop has 8 letters. [2022-11-02 20:58:55,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:58:55,573 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 200 states and 269 transitions. [2022-11-02 20:58:55,576 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 48 [2022-11-02 20:58:55,578 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 200 states to 188 states and 257 transitions. [2022-11-02 20:58:55,579 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 173 [2022-11-02 20:58:55,579 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 175 [2022-11-02 20:58:55,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 257 transitions. [2022-11-02 20:58:55,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:58:55,580 INFO L218 hiAutomatonCegarLoop]: Abstraction has 188 states and 257 transitions. [2022-11-02 20:58:55,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 257 transitions. [2022-11-02 20:58:55,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 163. [2022-11-02 20:58:55,586 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) [2022-11-02 20:58:55,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 223 transitions. [2022-11-02 20:58:55,588 INFO L240 hiAutomatonCegarLoop]: Abstraction has 163 states and 223 transitions. [2022-11-02 20:58:55,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:55,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:58:55,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:58:55,589 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) [2022-11-02 20:58:55,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:58:55,634 INFO L93 Difference]: Finished difference Result 169 states and 228 transitions. [2022-11-02 20:58:55,634 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 228 transitions. [2022-11-02 20:58:55,636 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2022-11-02 20:58:55,639 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 169 states and 228 transitions. [2022-11-02 20:58:55,639 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 162 [2022-11-02 20:58:55,639 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 162 [2022-11-02 20:58:55,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 228 transitions. [2022-11-02 20:58:55,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:58:55,640 INFO L218 hiAutomatonCegarLoop]: Abstraction has 169 states and 228 transitions. [2022-11-02 20:58:55,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 228 transitions. [2022-11-02 20:58:55,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 165. [2022-11-02 20:58:55,646 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) [2022-11-02 20:58:55,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 223 transitions. [2022-11-02 20:58:55,647 INFO L240 hiAutomatonCegarLoop]: Abstraction has 165 states and 223 transitions. [2022-11-02 20:58:55,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:58:55,648 INFO L428 stractBuchiCegarLoop]: Abstraction has 165 states and 223 transitions. [2022-11-02 20:58:55,649 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-02 20:58:55,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 165 states and 223 transitions. [2022-11-02 20:58:55,650 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2022-11-02 20:58:55,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:58:55,651 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:58:55,651 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:55,651 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-02 20:58:55,651 INFO L748 eck$LassoCheckResult]: Stem: 3172#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 3138#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 3139#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 3176#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 3196#is_prime_ENTRY ~n := #in~n;~m := #in~m; 3212#L58 assume !(~n <= 1); 3209#L61 assume !(2 == ~n); 3210#L64 assume ~n > 2; 3207#L65 assume !(~m <= 1); 3183#L68 call #t~ret10 := multiple_of(~n, ~m);< 3192#multiple_ofENTRY ~n := #in~n;~m := #in~m; 3182#L32 assume !(~m < 0); 3184#L35 assume !(~n < 0); 3195#L38 assume !(0 == ~m); 3245#L41 assume !(0 == ~n); 3161#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 3206#multiple_ofENTRY [2022-11-02 20:58:55,652 INFO L750 eck$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 [2022-11-02 20:58:55,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:55,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1718912949, now seen corresponding path program 1 times [2022-11-02 20:58:55,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:55,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072124293] [2022-11-02 20:58:55,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:55,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:55,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:58:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:55,666 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:58:55,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:55,666 INFO L85 PathProgramCache]: Analyzing trace with hash 893418406, now seen corresponding path program 1 times [2022-11-02 20:58:55,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:55,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005661957] [2022-11-02 20:58:55,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:55,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:55,670 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:58:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:55,672 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:58:55,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:55,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1893667952, now seen corresponding path program 2 times [2022-11-02 20:58:55,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:55,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207142812] [2022-11-02 20:58:55,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:55,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:55,681 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:58:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:55,688 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:58:55,776 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:58:55,776 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:58:55,776 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:58:55,776 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:58:55,776 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:58:55,776 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:55,777 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:58:55,777 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:58:55,777 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration7_Loop [2022-11-02 20:58:55,777 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:58:55,777 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:58:55,778 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:55,782 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:55,784 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:55,786 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:55,788 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:55,790 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:55,801 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:55,871 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:58:55,871 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:58:55,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:55,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:55,872 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:55,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-02 20:58:55,879 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:55,879 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:55,903 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:55,903 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#res=0} Honda state: {multiple_of_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:58:55,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:55,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:55,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:55,937 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:55,943 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:55,943 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:55,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-02 20:58:55,979 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:55,979 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_~n=0} Honda state: {multiple_of_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:58:56,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:56,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:56,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:56,017 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:56,023 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:56,023 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:56,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-02 20:58:56,047 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:56,047 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_~m=0} Honda state: {multiple_of_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:58:56,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-02 20:58:56,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:56,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:56,072 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:56,074 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:56,074 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:56,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-02 20:58:56,087 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:56,087 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: [] [2022-11-02 20:58:56,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-11-02 20:58:56,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:56,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:56,111 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:56,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-02 20:58:56,113 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:56,113 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:56,151 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:56,151 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: [] [2022-11-02 20:58:56,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-02 20:58:56,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:56,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:56,176 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:56,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-02 20:58:56,178 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:56,178 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:56,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-02 20:58:56,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:56,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:56,210 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:56,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-02 20:58:56,213 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:58:56,213 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:56,287 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:58:56,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:56,291 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:58:56,291 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:58:56,291 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:58:56,291 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:58:56,291 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:58:56,291 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:56,291 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:58:56,291 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:58:56,291 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration7_Loop [2022-11-02 20:58:56,291 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:58:56,291 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:58:56,292 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:56,296 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:56,298 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:56,300 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:56,303 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:56,305 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:56,317 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:56,387 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:58:56,388 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:58:56,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:56,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:56,391 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:56,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:56,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:56,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:56,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:56,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:56,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:56,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:56,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:56,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-02 20:58:56,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:56,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:56,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:56,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:56,463 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:56,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:56,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:56,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:56,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:56,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:56,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:56,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:56,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:56,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-02 20:58:56,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:56,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:56,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:56,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:56,519 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:56,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:56,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:56,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:56,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:56,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:56,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:56,536 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:56,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:56,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-02 20:58:56,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:56,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:56,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:56,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:56,581 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:56,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:56,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:56,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:56,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:56,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:56,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:56,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:56,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:56,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-02 20:58:56,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:56,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:56,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:56,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:56,647 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:56,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:56,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:56,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:56,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:56,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:56,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:56,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:56,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:56,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-02 20:58:56,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:56,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:56,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:56,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:56,709 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:56,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:56,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:56,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:56,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:56,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:56,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:56,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:56,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:56,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-02 20:58:56,746 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:58:56,750 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-02 20:58:56,750 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-02 20:58:56,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:56,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:56,752 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:56,754 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:58:56,754 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-02 20:58:56,754 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:58:56,754 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_#in~n) = 1*multiple_of_#in~n Supporting invariants [] [2022-11-02 20:58:56,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-02 20:58:56,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:56,788 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-02 20:58:56,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:56,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:58:56,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:58:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:56,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 20:58:56,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:58:56,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:56,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:56,986 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 [2022-11-02 20:58:56,986 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) [2022-11-02 20:58:57,116 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. [2022-11-02 20:58:57,117 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 [2022-11-02 20:58:57,118 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) [2022-11-02 20:58:57,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 43 transitions. [2022-11-02 20:58:57,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 43 transitions. Stem has 16 letters. Loop has 6 letters. [2022-11-02 20:58:57,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:58:57,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 43 transitions. Stem has 22 letters. Loop has 6 letters. [2022-11-02 20:58:57,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:58:57,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 43 transitions. Stem has 16 letters. Loop has 12 letters. [2022-11-02 20:58:57,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:58:57,120 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 218 states and 293 transitions. [2022-11-02 20:58:57,123 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 48 [2022-11-02 20:58:57,126 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 218 states to 206 states and 279 transitions. [2022-11-02 20:58:57,126 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 183 [2022-11-02 20:58:57,127 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 185 [2022-11-02 20:58:57,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 206 states and 279 transitions. [2022-11-02 20:58:57,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:58:57,127 INFO L218 hiAutomatonCegarLoop]: Abstraction has 206 states and 279 transitions. [2022-11-02 20:58:57,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states and 279 transitions. [2022-11-02 20:58:57,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 181. [2022-11-02 20:58:57,133 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) [2022-11-02 20:58:57,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 245 transitions. [2022-11-02 20:58:57,135 INFO L240 hiAutomatonCegarLoop]: Abstraction has 181 states and 245 transitions. [2022-11-02 20:58:57,135 INFO L428 stractBuchiCegarLoop]: Abstraction has 181 states and 245 transitions. [2022-11-02 20:58:57,135 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-02 20:58:57,135 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 181 states and 245 transitions. [2022-11-02 20:58:57,136 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2022-11-02 20:58:57,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:58:57,137 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:58:57,137 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:57,137 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-02 20:58:57,138 INFO L748 eck$LassoCheckResult]: Stem: 3673#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 3638#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 3639#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 3679#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 3698#is_prime_ENTRY ~n := #in~n;~m := #in~m; 3717#L58 assume !(~n <= 1); 3716#L61 assume 2 == ~n;#res := 1; 3714#is_prime_FINAL assume true; 3704#is_prime_EXIT >#118#return; 3697#L53-1 is_prime_#res#1 := is_prime_#t~ret9#1;havoc is_prime_#t~ret9#1; 3628#L53-2 main_#t~ret13#1 := is_prime_#res#1;assume { :end_inline_is_prime } true;main_~result~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;main_~f1~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 3629#L85 assume !(main_~f1~0#1 < 1 || main_~f1~0#1 > 46340);main_~f2~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 3635#L91 assume !(main_~f2~0#1 < 1 || main_~f2~0#1 > 46340);main_#t~short17#1 := 1 == main_~result~0#1; 3640#L97 assume main_#t~short17#1; 3641#L97-1 call main_#t~ret16#1 := mult(main_~f1~0#1, main_~f2~0#1);< 3666#multENTRY ~n := #in~n;~m := #in~m; 3667#L18 assume !(~m < 0); 3668#L21 [2022-11-02 20:58:57,138 INFO L750 eck$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 [2022-11-02 20:58:57,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:57,139 INFO L85 PathProgramCache]: Analyzing trace with hash 2081524284, now seen corresponding path program 1 times [2022-11-02 20:58:57,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:57,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541371179] [2022-11-02 20:58:57,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:57,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:57,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:58:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:57,153 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:58:57,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:57,153 INFO L85 PathProgramCache]: Analyzing trace with hash 61272212, now seen corresponding path program 1 times [2022-11-02 20:58:57,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:57,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121501070] [2022-11-02 20:58:57,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:57,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:57,157 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:58:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:57,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:58:57,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:57,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1269404473, now seen corresponding path program 1 times [2022-11-02 20:58:57,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:57,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418040377] [2022-11-02 20:58:57,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:57,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:57,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:58:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:57,174 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:58:57,266 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:58:57,266 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:58:57,266 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:58:57,266 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:58:57,266 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:58:57,266 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:57,266 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:58:57,267 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:58:57,267 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration8_Loop [2022-11-02 20:58:57,267 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:58:57,267 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:58:57,268 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:57,270 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:57,278 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:57,280 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:57,285 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:57,356 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:58:57,356 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:58:57,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:57,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:57,359 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:57,361 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:57,361 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:57,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-02 20:58:57,379 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:57,379 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#res=0} Honda state: {mult_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:58:57,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:57,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:57,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:57,414 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:57,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-02 20:58:57,416 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:57,416 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:57,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:57,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:57,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:57,456 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:57,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-02 20:58:57,459 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:58:57,459 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:58,785 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:58:58,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-11-02 20:58:58,788 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:58:58,788 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:58:58,788 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:58:58,788 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:58:58,789 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:58:58,789 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:58,789 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:58:58,789 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:58:58,789 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration8_Loop [2022-11-02 20:58:58,789 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:58:58,789 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:58:58,790 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:58,796 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:58,805 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:58,807 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:58,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:58,874 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:58:58,874 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:58:58,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:58,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:58,878 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:58,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-02 20:58:58,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:58,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:58,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:58,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:58,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:58,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:58,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:58,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:58,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:58:58,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:58,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:58,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:58,931 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:58,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-02 20:58:58,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:58:58,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:58:58,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:58:58,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:58:58,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:58:58,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:58:58,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:58:58,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:58:58,947 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:58:58,949 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-02 20:58:58,949 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-02 20:58:58,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:58,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:58,950 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:58,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-02 20:58:58,951 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:58:58,952 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-02 20:58:58,952 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:58:58,952 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_~m) = 1*mult_~m Supporting invariants [] [2022-11-02 20:58:58,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-11-02 20:58:58,991 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-02 20:58:59,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:59,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 20:58:59,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:58:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:59,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 20:58:59,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:58:59,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:59,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:59,292 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2022-11-02 20:58:59,292 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 181 states and 245 transitions. cyclomatic complexity: 72 Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:58:59,506 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 181 states and 245 transitions. cyclomatic complexity: 72. Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 205 states and 272 transitions. Complement of second has 25 states. [2022-11-02 20:58:59,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2022-11-02 20:58:59,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:58:59,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 52 transitions. [2022-11-02 20:58:59,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 17 letters. Loop has 5 letters. [2022-11-02 20:58:59,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:58:59,512 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 22 letters. Loop has 5 letters. [2022-11-02 20:58:59,513 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:58:59,513 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 17 letters. Loop has 10 letters. [2022-11-02 20:58:59,513 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:58:59,513 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 205 states and 272 transitions. [2022-11-02 20:58:59,516 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2022-11-02 20:58:59,518 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 205 states to 204 states and 271 transitions. [2022-11-02 20:58:59,518 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 177 [2022-11-02 20:58:59,519 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 180 [2022-11-02 20:58:59,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 204 states and 271 transitions. [2022-11-02 20:58:59,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:58:59,521 INFO L218 hiAutomatonCegarLoop]: Abstraction has 204 states and 271 transitions. [2022-11-02 20:58:59,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states and 271 transitions. [2022-11-02 20:58:59,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 191. [2022-11-02 20:58:59,535 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) [2022-11-02 20:58:59,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 257 transitions. [2022-11-02 20:58:59,536 INFO L240 hiAutomatonCegarLoop]: Abstraction has 191 states and 257 transitions. [2022-11-02 20:58:59,536 INFO L428 stractBuchiCegarLoop]: Abstraction has 191 states and 257 transitions. [2022-11-02 20:58:59,537 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-02 20:58:59,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 191 states and 257 transitions. [2022-11-02 20:58:59,539 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2022-11-02 20:58:59,539 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:58:59,540 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:58:59,541 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] [2022-11-02 20:58:59,541 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:58:59,541 INFO L748 eck$LassoCheckResult]: Stem: 4181#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); 4141#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; 4142#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; 4187#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 4207#is_prime_ENTRY ~n := #in~n;~m := #in~m; 4221#L58 assume !(~n <= 1); 4219#L61 assume 2 == ~n;#res := 1; 4216#is_prime_FINAL assume true; 4213#is_prime_EXIT >#118#return; 4203#L53-1 is_prime_#res#1 := is_prime_#t~ret9#1;havoc is_prime_#t~ret9#1; 4131#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; 4132#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; 4138#L91 assume !(main_~f2~0#1 < 1 || main_~f2~0#1 > 46340);main_#t~short17#1 := 1 == main_~result~0#1; 4143#L97 assume main_#t~short17#1; 4144#L97-1 call main_#t~ret16#1 := mult(main_~f1~0#1, main_~f2~0#1);< 4173#multENTRY ~n := #in~n;~m := #in~m; 4174#L18 assume !(~m < 0); 4175#L21 assume !(0 == ~m); 4150#L24 assume !(1 == ~m); 4152#L27 call #t~ret5 := mult(~n, ~m - 1);< 4177#multENTRY ~n := #in~n;~m := #in~m; 4277#L18 assume ~m < 0; 4160#L19 [2022-11-02 20:58:59,542 INFO L750 eck$LassoCheckResult]: Loop: 4160#L19 call #t~ret4 := mult(~n, -~m);< 4161#multENTRY ~n := #in~n;~m := #in~m; 4186#L18 assume ~m < 0; 4160#L19 [2022-11-02 20:58:59,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:59,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1269404470, now seen corresponding path program 1 times [2022-11-02 20:58:59,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:59,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231623789] [2022-11-02 20:58:59,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:59,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:59,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:58:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:59,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:58:59,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:59,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231623789] [2022-11-02 20:58:59,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231623789] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:59,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:59,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:58:59,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786121702] [2022-11-02 20:58:59,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:59,613 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:58:59,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:59,614 INFO L85 PathProgramCache]: Analyzing trace with hash 139155, now seen corresponding path program 2 times [2022-11-02 20:58:59,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:59,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746680609] [2022-11-02 20:58:59,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:59,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:59,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:58:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:58:59,621 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:58:59,686 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:58:59,686 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:58:59,687 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:58:59,687 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:58:59,687 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:58:59,687 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:59,687 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:58:59,687 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:58:59,687 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration9_Loop [2022-11-02 20:58:59,687 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:58:59,688 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:58:59,689 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:59,691 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:59,697 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:59,700 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:59,707 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:58:59,762 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:58:59,762 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:58:59,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:59,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:59,764 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:59,766 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:59,766 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:59,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-02 20:58:59,783 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:59,783 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret5=0} Honda state: {mult_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:58:59,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:59,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:59,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:59,817 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:59,819 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:59,820 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:59,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-02 20:58:59,841 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:59,842 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~n=-8, mult_#in~n=-8} Honda state: {mult_~n=-8, mult_#in~n=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:58:59,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:59,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:59,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:59,877 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:59,879 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:59,879 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:59,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-02 20:58:59,915 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:58:59,915 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret4=0} Honda state: {mult_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:58:59,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-11-02 20:58:59,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:58:59,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:58:59,949 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:58:59,952 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:58:59,952 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:58:59,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-02 20:59:00,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-11-02 20:59:00,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:59:00,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:59:00,006 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:59:00,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-02 20:59:00,008 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:59:00,008 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:59:01,415 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:59:01,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2022-11-02 20:59:01,419 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:59:01,419 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:59:01,419 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:59:01,419 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:59:01,419 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:59:01,419 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:59:01,419 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:59:01,419 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:59:01,420 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration9_Loop [2022-11-02 20:59:01,420 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:59:01,420 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:59:01,420 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:59:01,439 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:59:01,441 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:59:01,445 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:59:01,453 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:59:01,495 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:59:01,495 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:59:01,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:59:01,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:59:01,497 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:59:01,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:59:01,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:59:01,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:59:01,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:59:01,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:59:01,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:59:01,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:59:01,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:59:01,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-02 20:59:01,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:59:01,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-11-02 20:59:01,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:59:01,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:59:01,561 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:59:01,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:59:01,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:59:01,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:59:01,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:59:01,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:59:01,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:59:01,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:59:01,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:59:01,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-02 20:59:01,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:59:01,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-02 20:59:01,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:59:01,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:59:01,625 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:59:01,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:59:01,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:59:01,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:59:01,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:59:01,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:59:01,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:59:01,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:59:01,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:59:01,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-02 20:59:01,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:59:01,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-11-02 20:59:01,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:59:01,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:59:01,682 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:59:01,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-02 20:59:01,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:59:01,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:59:01,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:59:01,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:59:01,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:59:01,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:59:01,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:59:01,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:59:01,697 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:59:01,699 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-02 20:59:01,699 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-02 20:59:01,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:59:01,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:59:01,700 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:59:01,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-02 20:59:01,701 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:59:01,701 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-02 20:59:01,701 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:59:01,702 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_~m) = 1*mult_~m Supporting invariants [] [2022-11-02 20:59:01,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-11-02 20:59:01,724 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-02 20:59:01,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:59:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:01,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:59:01,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:59:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:01,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:59:01,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:59:01,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:59:01,922 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 [2022-11-02 20:59:01,923 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) [2022-11-02 20:59:01,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-11-02 20:59:02,044 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. [2022-11-02 20:59:02,044 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 [2022-11-02 20:59:02,046 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) [2022-11-02 20:59:02,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 54 transitions. [2022-11-02 20:59:02,047 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 22 letters. Loop has 3 letters. [2022-11-02 20:59:02,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:59:02,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 25 letters. Loop has 3 letters. [2022-11-02 20:59:02,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:59:02,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 22 letters. Loop has 6 letters. [2022-11-02 20:59:02,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:59:02,049 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 303 transitions. [2022-11-02 20:59:02,053 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2022-11-02 20:59:02,058 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 222 states and 293 transitions. [2022-11-02 20:59:02,058 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2022-11-02 20:59:02,059 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 190 [2022-11-02 20:59:02,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 222 states and 293 transitions. [2022-11-02 20:59:02,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:59:02,059 INFO L218 hiAutomatonCegarLoop]: Abstraction has 222 states and 293 transitions. [2022-11-02 20:59:02,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states and 293 transitions. [2022-11-02 20:59:02,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 209. [2022-11-02 20:59:02,069 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) [2022-11-02 20:59:02,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 279 transitions. [2022-11-02 20:59:02,072 INFO L240 hiAutomatonCegarLoop]: Abstraction has 209 states and 279 transitions. [2022-11-02 20:59:02,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:59:02,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:59:02,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:59:02,074 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) [2022-11-02 20:59:02,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:59:02,107 INFO L93 Difference]: Finished difference Result 205 states and 270 transitions. [2022-11-02 20:59:02,107 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 205 states and 270 transitions. [2022-11-02 20:59:02,110 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2022-11-02 20:59:02,112 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 205 states to 145 states and 177 transitions. [2022-11-02 20:59:02,112 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2022-11-02 20:59:02,112 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2022-11-02 20:59:02,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 177 transitions. [2022-11-02 20:59:02,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:59:02,113 INFO L218 hiAutomatonCegarLoop]: Abstraction has 145 states and 177 transitions. [2022-11-02 20:59:02,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 177 transitions. [2022-11-02 20:59:02,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 125. [2022-11-02 20:59:02,117 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) [2022-11-02 20:59:02,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 154 transitions. [2022-11-02 20:59:02,118 INFO L240 hiAutomatonCegarLoop]: Abstraction has 125 states and 154 transitions. [2022-11-02 20:59:02,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:59:02,119 INFO L428 stractBuchiCegarLoop]: Abstraction has 125 states and 154 transitions. [2022-11-02 20:59:02,119 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-02 20:59:02,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 154 transitions. [2022-11-02 20:59:02,121 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2022-11-02 20:59:02,121 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:59:02,121 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:59:02,122 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:59:02,122 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-11-02 20:59:02,122 INFO L748 eck$LassoCheckResult]: Stem: 5083#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); 5084#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; 5099#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; 5089#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 5132#is_prime_ENTRY ~n := #in~n;~m := #in~m; 5151#L58 assume !(~n <= 1); 5150#L61 assume !(2 == ~n); 5149#L64 assume ~n > 2; 5148#L65 assume !(~m <= 1); 5086#L68 call #t~ret10 := multiple_of(~n, ~m);< 5147#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5146#L32 assume !(~m < 0); 5145#L35 assume !(~n < 0); 5144#L38 assume !(0 == ~m); 5143#L41 assume !(0 == ~n); 5096#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5141#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5142#L32 assume !(~m < 0); 5162#L35 assume ~n < 0; 5107#L36 call #t~ret7 := multiple_of(-~n, ~m);< 5139#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5140#L32 assume !(~m < 0); 5177#L35 assume !(~n < 0); 5175#L38 assume !(0 == ~m); 5173#L41 assume !(0 == ~n); 5103#L44 [2022-11-02 20:59:02,122 INFO L750 eck$LassoCheckResult]: Loop: 5103#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5176#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5174#L32 assume !(~m < 0); 5171#L35 assume ~n < 0; 5100#L36 call #t~ret7 := multiple_of(-~n, ~m);< 5104#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5157#L32 assume !(~m < 0); 5152#L35 assume !(~n < 0); 5154#L38 assume !(0 == ~m); 5166#L41 assume !(0 == ~n); 5103#L44 [2022-11-02 20:59:02,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:59:02,123 INFO L85 PathProgramCache]: Analyzing trace with hash -155061355, now seen corresponding path program 1 times [2022-11-02 20:59:02,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:59:02,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324146065] [2022-11-02 20:59:02,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:59:02,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:59:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:02,209 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:59:02,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:59:02,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324146065] [2022-11-02 20:59:02,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324146065] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:59:02,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866788260] [2022-11-02 20:59:02,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:59:02,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:59:02,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:59:02,215 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:59:02,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2022-11-02 20:59:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:02,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-02 20:59:02,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:59:02,307 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:59:02,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:59:02,395 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:59:02,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866788260] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:59:02,396 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:59:02,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2022-11-02 20:59:02,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047445643] [2022-11-02 20:59:02,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:59:02,397 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:59:02,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:59:02,397 INFO L85 PathProgramCache]: Analyzing trace with hash -2044787022, now seen corresponding path program 1 times [2022-11-02 20:59:02,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:59:02,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476475262] [2022-11-02 20:59:02,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:59:02,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:59:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:59:02,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:59:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:59:02,404 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:59:02,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:59:02,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-02 20:59:02,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:59:02,631 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) [2022-11-02 20:59:02,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:59:02,859 INFO L93 Difference]: Finished difference Result 153 states and 195 transitions. [2022-11-02 20:59:02,859 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 195 transitions. [2022-11-02 20:59:02,861 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2022-11-02 20:59:02,863 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 151 states and 193 transitions. [2022-11-02 20:59:02,863 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2022-11-02 20:59:02,863 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2022-11-02 20:59:02,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 151 states and 193 transitions. [2022-11-02 20:59:02,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:59:02,863 INFO L218 hiAutomatonCegarLoop]: Abstraction has 151 states and 193 transitions. [2022-11-02 20:59:02,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states and 193 transitions. [2022-11-02 20:59:02,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 147. [2022-11-02 20:59:02,867 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) [2022-11-02 20:59:02,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 180 transitions. [2022-11-02 20:59:02,868 INFO L240 hiAutomatonCegarLoop]: Abstraction has 147 states and 180 transitions. [2022-11-02 20:59:02,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 20:59:02,869 INFO L428 stractBuchiCegarLoop]: Abstraction has 147 states and 180 transitions. [2022-11-02 20:59:02,869 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-02 20:59:02,870 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 147 states and 180 transitions. [2022-11-02 20:59:02,871 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2022-11-02 20:59:02,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:59:02,871 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:59:02,872 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:59:02,872 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-11-02 20:59:02,872 INFO L748 eck$LassoCheckResult]: Stem: 5536#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 5537#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 5548#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 5539#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 5577#is_prime_ENTRY ~n := #in~n;~m := #in~m; 5660#L58 assume !(~n <= 1); 5626#L61 assume !(2 == ~n); 5623#L64 assume ~n > 2; 5618#L65 assume !(~m <= 1); 5614#L68 call #t~ret10 := multiple_of(~n, ~m);< 5615#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5665#L32 assume !(~m < 0); 5664#L35 assume !(~n < 0); 5662#L38 assume !(0 == ~m); 5659#L41 assume !(0 == ~n); 5556#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5563#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5555#L32 assume !(~m < 0); 5557#L35 assume !(~n < 0); 5574#L38 assume !(0 == ~m); 5570#L41 assume !(0 == ~n); 5545#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5564#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5565#L32 assume !(~m < 0); 5584#L35 assume ~n < 0; 5534#L36 call #t~ret7 := multiple_of(-~n, ~m);< 5580#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5581#L32 assume !(~m < 0); 5675#L35 assume !(~n < 0); 5673#L38 assume !(0 == ~m); 5672#L41 assume !(0 == ~n); 5569#L44 [2022-11-02 20:59:02,872 INFO L750 eck$LassoCheckResult]: Loop: 5569#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5573#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5658#L32 assume !(~m < 0); 5657#L35 assume ~n < 0; 5533#L36 call #t~ret7 := multiple_of(-~n, ~m);< 5549#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5593#L32 assume !(~m < 0); 5589#L35 assume !(~n < 0); 5590#L38 assume !(0 == ~m); 5676#L41 assume !(0 == ~n); 5569#L44 [2022-11-02 20:59:02,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:59:02,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1134874352, now seen corresponding path program 2 times [2022-11-02 20:59:02,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:59:02,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899867853] [2022-11-02 20:59:02,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:59:02,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:59:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:59:02,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:59:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:59:02,905 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:59:02,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:59:02,906 INFO L85 PathProgramCache]: Analyzing trace with hash -2044787022, now seen corresponding path program 2 times [2022-11-02 20:59:02,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:59:02,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162668072] [2022-11-02 20:59:02,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:59:02,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:59:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:59:02,910 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:59:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:59:02,913 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:59:02,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:59:02,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1280798977, now seen corresponding path program 3 times [2022-11-02 20:59:02,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:59:02,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772874468] [2022-11-02 20:59:02,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:59:02,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:59:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:59:02,923 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:59:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:59:02,932 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:59:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:59:04,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:59:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:59:04,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:59:04 BoogieIcfgContainer [2022-11-02 20:59:04,196 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:59:04,196 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:59:04,196 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:59:04,197 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:59:04,197 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:58:45" (3/4) ... [2022-11-02 20:59:04,200 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-02 20:59:04,252 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:59:04,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:59:04,253 INFO L158 Benchmark]: Toolchain (without parser) took 19581.56ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 68.0MB in the beginning and 129.4MB in the end (delta: -61.4MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. [2022-11-02 20:59:04,253 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 107.0MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:59:04,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.60ms. Allocated memory is still 107.0MB. Free memory was 67.8MB in the beginning and 82.9MB in the end (delta: -15.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:59:04,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.41ms. Allocated memory is still 107.0MB. Free memory was 82.9MB in the beginning and 81.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:59:04,254 INFO L158 Benchmark]: Boogie Preprocessor took 20.63ms. Allocated memory is still 107.0MB. Free memory was 81.4MB in the beginning and 80.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:59:04,255 INFO L158 Benchmark]: RCFGBuilder took 437.22ms. Allocated memory is still 107.0MB. Free memory was 80.0MB in the beginning and 67.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:59:04,255 INFO L158 Benchmark]: BuchiAutomizer took 18703.18ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 67.8MB in the beginning and 42.8MB in the end (delta: 24.9MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. [2022-11-02 20:59:04,255 INFO L158 Benchmark]: Witness Printer took 55.89ms. Allocated memory is still 157.3MB. Free memory was 41.8MB in the beginning and 129.4MB in the end (delta: -87.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:59:04,257 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 107.0MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.60ms. Allocated memory is still 107.0MB. Free memory was 67.8MB in the beginning and 82.9MB in the end (delta: -15.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.41ms. Allocated memory is still 107.0MB. Free memory was 82.9MB in the beginning and 81.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.63ms. Allocated memory is still 107.0MB. Free memory was 81.4MB in the beginning and 80.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 437.22ms. Allocated memory is still 107.0MB. Free memory was 80.0MB in the beginning and 67.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 18703.18ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 67.8MB in the beginning and 42.8MB in the end (delta: 24.9MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. * Witness Printer took 55.89ms. Allocated memory is still 157.3MB. Free memory was 41.8MB in the beginning and 129.4MB in the end (delta: -87.6MB). Peak memory consumption was 4.2MB. 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 8 locations. One deterministic module has affine ranking function m and consists of 5 locations. 8 modules have a trivial ranking function, the largest among these consists of 14 locations. The remainder module has 147 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 18.6s and 11 iterations. TraceHistogramMax:4. Analysis of lassos took 14.2s. Construction of modules took 0.9s. Büchi inclusion checks took 3.0s. 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, 683 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 657 mSDsluCounter, 1911 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1252 mSDsCounter, 209 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1010 IncrementalHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 209 mSolverCounterUnsat, 659 mSDtfsCounter, 1010 mSolverCounterSat, 0.0s 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: 37ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 19 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 7 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 6.1s 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! [2022-11-02 20:59:04,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Ended with exit code 0 [2022-11-02 20:59:04,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-02 20:59:04,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7805d9a-03c5-4364-8adb-00e3e5c33501/bin/uautomizer-Dbtcem3rbc/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)