./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 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Primes.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --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 --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:58:12,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:58:12,521 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 21:58:12,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:58:12,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:58:12,584 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:58:12,585 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:58:12,586 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:58:12,586 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:58:12,589 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:58:12,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:58:12,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:58:12,593 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:58:12,593 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 21:58:12,594 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 21:58:12,598 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 21:58:12,598 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 21:58:12,599 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 21:58:12,599 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 21:58:12,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:58:12,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 21:58:12,601 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:58:12,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:58:12,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:58:12,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:58:12,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 21:58:12,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 21:58:12,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 21:58:12,607 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:58:12,608 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:58:12,608 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:58:12,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:58:12,609 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 21:58:12,609 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:58:12,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:58:12,610 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:58:12,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:58:12,611 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:58:12,611 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 21:58:12,612 INFO L153 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_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16beca065b3aeb336c54dcf96f3abbe61553e7d28b28c1a40f525ad89a5da56e [2024-10-31 21:58:12,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:58:13,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:58:13,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:58:13,047 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:58:13,048 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:58:13,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/recursive/Primes.c Unable to find full path for "g++" [2024-10-31 21:58:15,610 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:58:15,813 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:58:15,814 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/sv-benchmarks/c/recursive/Primes.c [2024-10-31 21:58:15,824 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/data/cfe5d7790/52b125dd716247e58b1d80523da5e9f4/FLAG13477eef1 [2024-10-31 21:58:15,840 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/data/cfe5d7790/52b125dd716247e58b1d80523da5e9f4 [2024-10-31 21:58:15,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:58:15,844 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:58:15,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:15,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:58:15,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:58:15,853 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:15" (1/1) ... [2024-10-31 21:58:15,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b9adeea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:15, skipping insertion in model container [2024-10-31 21:58:15,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:15" (1/1) ... [2024-10-31 21:58:15,884 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:58:16,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:16,210 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:58:16,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:16,276 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:58:16,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:16 WrapperNode [2024-10-31 21:58:16,277 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:16,278 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:16,279 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:58:16,279 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:58:16,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:16" (1/1) ... [2024-10-31 21:58:16,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:16" (1/1) ... [2024-10-31 21:58:16,323 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2024-10-31 21:58:16,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:16,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:58:16,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:58:16,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:58:16,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:16" (1/1) ... [2024-10-31 21:58:16,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:16" (1/1) ... [2024-10-31 21:58:16,340 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:16" (1/1) ... [2024-10-31 21:58:16,355 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 21:58:16,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:16" (1/1) ... [2024-10-31 21:58:16,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:16" (1/1) ... [2024-10-31 21:58:16,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:16" (1/1) ... [2024-10-31 21:58:16,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:16" (1/1) ... [2024-10-31 21:58:16,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:16" (1/1) ... [2024-10-31 21:58:16,365 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:16" (1/1) ... [2024-10-31 21:58:16,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:58:16,369 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:58:16,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:58:16,370 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:58:16,371 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:16" (1/1) ... [2024-10-31 21:58:16,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:16,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:16,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:16,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 21:58:16,466 INFO L130 BoogieDeclarations]: Found specification of procedure multiple_of [2024-10-31 21:58:16,467 INFO L138 BoogieDeclarations]: Found implementation of procedure multiple_of [2024-10-31 21:58:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:58:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2024-10-31 21:58:16,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2024-10-31 21:58:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure is_prime_ [2024-10-31 21:58:16,469 INFO L138 BoogieDeclarations]: Found implementation of procedure is_prime_ [2024-10-31 21:58:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:58:16,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:58:16,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:58:16,578 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:58:16,584 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:58:16,826 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-10-31 21:58:16,827 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:58:16,857 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:58:16,857 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 21:58:16,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:16 BoogieIcfgContainer [2024-10-31 21:58:16,858 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:58:16,859 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 21:58:16,860 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 21:58:16,865 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 21:58:16,866 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:58:16,866 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 09:58:15" (1/3) ... [2024-10-31 21:58:16,868 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11e5cf4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 09:58:16, skipping insertion in model container [2024-10-31 21:58:16,868 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:58:16,869 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:16" (2/3) ... [2024-10-31 21:58:16,871 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11e5cf4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 09:58:16, skipping insertion in model container [2024-10-31 21:58:16,871 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:58:16,872 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:16" (3/3) ... [2024-10-31 21:58:16,873 INFO L332 chiAutomizerObserver]: Analyzing ICFG Primes.c [2024-10-31 21:58:16,990 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 21:58:16,991 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 21:58:16,991 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 21:58:16,993 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 21:58:16,994 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 21:58:16,994 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 21:58:16,994 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 21:58:16,995 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 21:58:17,006 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 51 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 38 states have internal predecessors, (55), 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) [2024-10-31 21:58:17,051 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2024-10-31 21:58:17,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:17,052 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:17,061 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 21:58:17,062 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:17,062 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 21:58:17,063 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 51 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 38 states have internal predecessors, (55), 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) [2024-10-31 21:58:17,071 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2024-10-31 21:58:17,072 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:17,072 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:17,074 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 21:58:17,074 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:17,084 INFO L745 eck$LassoCheckResult]: Stem: 26#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 34#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 20#L78true assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 28#L53true call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 4#$Ultimate##0true [2024-10-31 21:58:17,086 INFO L747 eck$LassoCheckResult]: Loop: 4#$Ultimate##0true ~n := #in~n;~m := #in~m; 51#L58true assume !(~n <= 1); 36#L61true assume !(2 == ~n); 48#L64true assume ~n > 2; 10#L65true assume !(~m <= 1); 32#L68true call #t~ret10 := multiple_of(~n, ~m);< 17#$Ultimate##0true ~n := #in~n;~m := #in~m; 43#L32true assume !(~m < 0); 49#L35true assume !(~n < 0); 19#L38true assume 0 == ~m;#res := 0; 23#multiple_ofFINALtrue assume true; 24#multiple_ofEXITtrue >#124#return; 25#L68-1true assume !(0 == #t~ret10);havoc #t~ret10; 5#L71true call #t~ret11 := is_prime_(~n, ~m - 1);< 4#$Ultimate##0true [2024-10-31 21:58:17,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:17,095 INFO L85 PathProgramCache]: Analyzing trace with hash 2218665, now seen corresponding path program 1 times [2024-10-31 21:58:17,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:17,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225082569] [2024-10-31 21:58:17,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:17,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:17,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:17,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:17,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:17,340 INFO L85 PathProgramCache]: Analyzing trace with hash -2140609117, now seen corresponding path program 1 times [2024-10-31 21:58:17,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:17,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050471604] [2024-10-31 21:58:17,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:17,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:17,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 21:58:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:17,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:17,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:17,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050471604] [2024-10-31 21:58:17,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050471604] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:17,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:17,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:58:17,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163664639] [2024-10-31 21:58:17,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:17,756 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-31 21:58:17,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:17,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:58:17,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:58:17,878 INFO L87 Difference]: Start difference. First operand has 51 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 38 states have internal predecessors, (55), 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) [2024-10-31 21:58:18,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:18,109 INFO L93 Difference]: Finished difference Result 58 states and 84 transitions. [2024-10-31 21:58:18,111 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 84 transitions. [2024-10-31 21:58:18,120 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2024-10-31 21:58:18,128 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 41 states and 54 transitions. [2024-10-31 21:58:18,129 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2024-10-31 21:58:18,130 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2024-10-31 21:58:18,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 54 transitions. [2024-10-31 21:58:18,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:58:18,133 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 54 transitions. [2024-10-31 21:58:18,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 54 transitions. [2024-10-31 21:58:18,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2024-10-31 21:58:18,171 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) [2024-10-31 21:58:18,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 51 transitions. [2024-10-31 21:58:18,174 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 51 transitions. [2024-10-31 21:58:18,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:58:18,182 INFO L425 stractBuchiCegarLoop]: Abstraction has 39 states and 51 transitions. [2024-10-31 21:58:18,182 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 21:58:18,182 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 51 transitions. [2024-10-31 21:58:18,188 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2024-10-31 21:58:18,188 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:18,188 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:18,189 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 21:58:18,189 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:18,189 INFO L745 eck$LassoCheckResult]: Stem: 166#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 142#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 143#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 136#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 134#$Ultimate##0 [2024-10-31 21:58:18,189 INFO L747 eck$LassoCheckResult]: Loop: 134#$Ultimate##0 ~n := #in~n;~m := #in~m; 137#L58 assume !(~n <= 1); 153#L61 assume !(2 == ~n); 154#L64 assume ~n > 2; 148#L65 assume !(~m <= 1); 131#L68 call #t~ret10 := multiple_of(~n, ~m);< 141#$Ultimate##0 ~n := #in~n;~m := #in~m; 160#L32 assume !(~m < 0); 163#L35 assume !(~n < 0); 161#L38 assume !(0 == ~m); 162#L41 assume 0 == ~n;#res := 1; 133#multiple_ofFINAL assume true; 164#multiple_ofEXIT >#124#return; 165#L68-1 assume !(0 == #t~ret10);havoc #t~ret10; 135#L71 call #t~ret11 := is_prime_(~n, ~m - 1);< 134#$Ultimate##0 [2024-10-31 21:58:18,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:18,190 INFO L85 PathProgramCache]: Analyzing trace with hash 2218665, now seen corresponding path program 2 times [2024-10-31 21:58:18,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:18,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49164130] [2024-10-31 21:58:18,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:18,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:18,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:18,232 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:18,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:18,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1912428317, now seen corresponding path program 1 times [2024-10-31 21:58:18,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:18,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263686724] [2024-10-31 21:58:18,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:18,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:18,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 21:58:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:18,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:18,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:18,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263686724] [2024-10-31 21:58:18,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263686724] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:18,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:18,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:58:18,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765847715] [2024-10-31 21:58:18,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:18,391 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-31 21:58:18,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:18,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:58:18,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:58:18,393 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) [2024-10-31 21:58:18,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:18,515 INFO L93 Difference]: Finished difference Result 45 states and 60 transitions. [2024-10-31 21:58:18,515 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 60 transitions. [2024-10-31 21:58:18,517 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2024-10-31 21:58:18,519 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 60 transitions. [2024-10-31 21:58:18,519 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2024-10-31 21:58:18,520 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2024-10-31 21:58:18,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 60 transitions. [2024-10-31 21:58:18,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:58:18,521 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 60 transitions. [2024-10-31 21:58:18,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 60 transitions. [2024-10-31 21:58:18,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2024-10-31 21:58:18,528 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) [2024-10-31 21:58:18,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 54 transitions. [2024-10-31 21:58:18,531 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 54 transitions. [2024-10-31 21:58:18,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:58:18,534 INFO L425 stractBuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2024-10-31 21:58:18,535 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 21:58:18,536 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 54 transitions. [2024-10-31 21:58:18,537 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2024-10-31 21:58:18,541 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:18,541 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:18,542 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 21:58:18,542 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] [2024-10-31 21:58:18,542 INFO L745 eck$LassoCheckResult]: Stem: 268#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 245#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 246#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 237#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 235#$Ultimate##0 [2024-10-31 21:58:18,543 INFO L747 eck$LassoCheckResult]: Loop: 235#$Ultimate##0 ~n := #in~n;~m := #in~m; 238#L58 assume !(~n <= 1); 256#L61 assume !(2 == ~n); 257#L64 assume ~n > 2; 249#L65 assume !(~m <= 1); 232#L68 call #t~ret10 := multiple_of(~n, ~m);< 242#$Ultimate##0 ~n := #in~n;~m := #in~m; 262#L32 assume !(~m < 0); 265#L35 assume !(~n < 0); 263#L38 assume !(0 == ~m); 264#L41 assume !(0 == ~n); 233#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 242#$Ultimate##0 ~n := #in~n;~m := #in~m; 262#L32 assume !(~m < 0); 265#L35 assume !(~n < 0); 263#L38 assume !(0 == ~m); 264#L41 assume 0 == ~n;#res := 1; 255#multiple_ofFINAL assume true; 266#multiple_ofEXIT >#114#return; 229#L44-1 #res := #t~ret8;havoc #t~ret8; 234#multiple_ofFINAL assume true; 269#multiple_ofEXIT >#124#return; 267#L68-1 assume !(0 == #t~ret10);havoc #t~ret10; 236#L71 call #t~ret11 := is_prime_(~n, ~m - 1);< 235#$Ultimate##0 [2024-10-31 21:58:18,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:18,544 INFO L85 PathProgramCache]: Analyzing trace with hash 2218665, now seen corresponding path program 3 times [2024-10-31 21:58:18,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:18,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554351577] [2024-10-31 21:58:18,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:18,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:18,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:18,575 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:18,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:18,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1879332525, now seen corresponding path program 1 times [2024-10-31 21:58:18,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:18,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104844729] [2024-10-31 21:58:18,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:18,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:18,602 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:18,624 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:18,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:18,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1583483899, now seen corresponding path program 1 times [2024-10-31 21:58:18,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:18,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449657674] [2024-10-31 21:58:18,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:18,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:18,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 21:58:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:19,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 21:58:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:19,129 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:58:19,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:19,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449657674] [2024-10-31 21:58:19,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449657674] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:58:19,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12779824] [2024-10-31 21:58:19,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:19,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:19,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:19,135 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:58:19,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 21:58:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:19,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-31 21:58:19,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:19,439 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:58:19,439 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:58:19,838 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:58:19,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12779824] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:58:19,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:58:19,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2024-10-31 21:58:19,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971470174] [2024-10-31 21:58:19,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:58:20,263 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:58:20,264 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:58:20,264 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:58:20,264 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:58:20,264 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 21:58:20,265 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:20,265 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:58:20,267 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:58:20,267 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration3_Loop [2024-10-31 21:58:20,267 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:58:20,267 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:58:20,283 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:20,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:20,293 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:20,296 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:20,310 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:20,316 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:20,381 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:58:20,381 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 21:58:20,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:20,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:20,394 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:20,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 21:58:20,399 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:20,399 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:20,427 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 21:58:20,427 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__#t~ret11=0} Honda state: {is_prime__#t~ret11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 21:58:20,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 21:58:20,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:20,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:20,457 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:20,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 21:58:20,459 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:20,459 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:20,472 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 21:58:20,472 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__~m=0} Honda state: {is_prime__~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 21:58:20,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:20,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:20,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:20,487 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:20,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 21:58:20,490 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:20,490 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:20,509 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 21:58:20,509 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__~n=0} Honda state: {is_prime__~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 21:58:20,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 21:58:20,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:20,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:20,530 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:20,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 21:58:20,534 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:20,534 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:20,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-31 21:58:20,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:20,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:20,572 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:20,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 21:58:20,576 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 21:58:20,576 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:20,803 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 21:58:20,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:20,809 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:58:20,809 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:58:20,809 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:58:20,809 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:58:20,809 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:58:20,809 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:20,809 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:58:20,810 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:58:20,810 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration3_Loop [2024-10-31 21:58:20,810 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:58:20,810 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:58:20,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:20,819 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:20,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:20,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:20,835 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:20,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:20,895 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:58:20,900 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:58:20,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:20,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:20,903 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:20,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 21:58:20,922 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 [2024-10-31 21:58:20,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:20,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:20,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:20,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:20,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:20,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:20,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:20,946 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:20,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-31 21:58:20,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:20,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:20,969 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:20,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 21:58:20,972 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 [2024-10-31 21:58:20,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:20,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:20,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:20,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:20,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:20,989 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:20,990 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:20,992 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:21,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 21:58:21,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:21,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:21,017 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:21,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 21:58:21,020 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 [2024-10-31 21:58:21,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:21,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:21,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:21,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:21,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:21,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:21,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:21,038 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:21,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:21,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:21,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:21,060 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:21,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 21:58:21,062 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 [2024-10-31 21:58:21,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:21,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:21,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:21,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:21,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:21,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:21,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:21,083 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:58:21,089 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 21:58:21,089 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-31 21:58:21,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:21,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:21,093 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:21,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 21:58:21,098 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:58:21,098 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 21:58:21,098 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:58:21,099 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(is_prime__#in~m) = 1*is_prime__#in~m Supporting invariants [] [2024-10-31 21:58:21,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:21,122 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 21:58:21,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:21,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 21:58:21,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:21,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-31 21:58:21,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:21,583 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:58:21,587 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 [2024-10-31 21:58:21,589 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) [2024-10-31 21:58:22,425 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 358 states and 527 transitions. Complement of second has 85 states. [2024-10-31 21:58:22,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 1 stem states 13 non-accepting loop states 1 accepting loop states [2024-10-31 21:58:22,428 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) [2024-10-31 21:58:22,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 84 transitions. [2024-10-31 21:58:22,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 84 transitions. Stem has 4 letters. Loop has 24 letters. [2024-10-31 21:58:22,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:22,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 84 transitions. Stem has 28 letters. Loop has 24 letters. [2024-10-31 21:58:22,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:22,436 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 84 transitions. Stem has 4 letters. Loop has 48 letters. [2024-10-31 21:58:22,437 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:22,440 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 358 states and 527 transitions. [2024-10-31 21:58:22,454 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 30 [2024-10-31 21:58:22,464 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 358 states to 282 states and 403 transitions. [2024-10-31 21:58:22,464 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 170 [2024-10-31 21:58:22,466 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 173 [2024-10-31 21:58:22,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 282 states and 403 transitions. [2024-10-31 21:58:22,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:58:22,466 INFO L218 hiAutomatonCegarLoop]: Abstraction has 282 states and 403 transitions. [2024-10-31 21:58:22,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states and 403 transitions. [2024-10-31 21:58:22,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 163. [2024-10-31 21:58:22,494 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) [2024-10-31 21:58:22,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 220 transitions. [2024-10-31 21:58:22,496 INFO L240 hiAutomatonCegarLoop]: Abstraction has 163 states and 220 transitions. [2024-10-31 21:58:22,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:22,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-31 21:58:22,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-31 21:58:22,497 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) [2024-10-31 21:58:22,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:22,843 INFO L93 Difference]: Finished difference Result 185 states and 251 transitions. [2024-10-31 21:58:22,844 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 185 states and 251 transitions. [2024-10-31 21:58:22,848 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2024-10-31 21:58:22,851 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 185 states to 117 states and 160 transitions. [2024-10-31 21:58:22,851 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 117 [2024-10-31 21:58:22,851 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 117 [2024-10-31 21:58:22,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 117 states and 160 transitions. [2024-10-31 21:58:22,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:58:22,853 INFO L218 hiAutomatonCegarLoop]: Abstraction has 117 states and 160 transitions. [2024-10-31 21:58:22,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states and 160 transitions. [2024-10-31 21:58:22,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 93. [2024-10-31 21:58:22,869 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) [2024-10-31 21:58:22,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 126 transitions. [2024-10-31 21:58:22,871 INFO L240 hiAutomatonCegarLoop]: Abstraction has 93 states and 126 transitions. [2024-10-31 21:58:22,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 21:58:22,873 INFO L425 stractBuchiCegarLoop]: Abstraction has 93 states and 126 transitions. [2024-10-31 21:58:22,873 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 21:58:22,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 126 transitions. [2024-10-31 21:58:22,875 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2024-10-31 21:58:22,875 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:22,875 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:22,876 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:22,876 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 21:58:22,876 INFO L745 eck$LassoCheckResult]: Stem: 1443#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 1406#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 1407#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 1433#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 1445#$Ultimate##0 ~n := #in~n;~m := #in~m; 1450#L58 assume !(~n <= 1); 1451#L61 assume !(2 == ~n); 1454#L64 assume ~n > 2; 1449#L65 assume !(~m <= 1); 1434#L68 call #t~ret10 := multiple_of(~n, ~m);< 1456#$Ultimate##0 ~n := #in~n;~m := #in~m; 1466#L32 assume ~m < 0; 1426#L33 [2024-10-31 21:58:22,877 INFO L747 eck$LassoCheckResult]: Loop: 1426#L33 call #t~ret6 := multiple_of(~n, -~m);< 1417#$Ultimate##0 ~n := #in~n;~m := #in~m; 1430#L32 assume ~m < 0; 1426#L33 [2024-10-31 21:58:22,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:22,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1581488555, now seen corresponding path program 1 times [2024-10-31 21:58:22,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:22,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054130467] [2024-10-31 21:58:22,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:22,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:22,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:22,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:22,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054130467] [2024-10-31 21:58:22,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054130467] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:22,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:22,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:58:22,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594301519] [2024-10-31 21:58:22,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:22,967 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:58:22,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:22,968 INFO L85 PathProgramCache]: Analyzing trace with hash 134543, now seen corresponding path program 1 times [2024-10-31 21:58:22,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:22,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876690449] [2024-10-31 21:58:22,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:22,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:22,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:23,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:23,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:23,138 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:58:23,138 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:58:23,138 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:58:23,138 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:58:23,138 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 21:58:23,138 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:23,138 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:58:23,138 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:58:23,139 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration4_Loop [2024-10-31 21:58:23,139 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:58:23,139 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:58:23,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:23,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:23,154 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:23,157 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:23,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:23,167 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:23,241 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:58:23,241 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 21:58:23,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:23,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:23,244 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:23,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 21:58:23,247 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:23,248 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:23,271 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 21:58:23,272 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret6=0} Honda state: {multiple_of_#t~ret6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 21:58:23,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-31 21:58:23,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:23,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:23,296 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:23,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 21:58:23,300 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:23,300 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:23,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:23,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:23,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:23,342 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:23,344 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 21:58:23,344 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:23,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 21:58:24,029 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 21:58:24,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:24,032 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:58:24,033 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:58:24,033 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:58:24,033 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:58:24,033 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:58:24,033 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,033 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:58:24,033 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:58:24,033 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration4_Loop [2024-10-31 21:58:24,033 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:58:24,033 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:58:24,034 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:24,037 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:24,044 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:24,045 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:24,057 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:24,059 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:24,108 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:58:24,108 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:58:24,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,111 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 21:58:24,113 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 [2024-10-31 21:58:24,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:24,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:24,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:24,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:24,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:24,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:24,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:24,126 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:24,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:24,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,140 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 21:58:24,143 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 [2024-10-31 21:58:24,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:24,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:24,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:24,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:24,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:24,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:24,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:24,158 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:58:24,163 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-10-31 21:58:24,163 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 21:58:24,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,165 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 21:58:24,167 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:58:24,167 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 21:58:24,167 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:58:24,167 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_~m) = 1*multiple_of_~m Supporting invariants [] [2024-10-31 21:58:24,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:24,180 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 21:58:24,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:24,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 21:58:24,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:24,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 21:58:24,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:24,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:24,289 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 [2024-10-31 21:58:24,290 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) [2024-10-31 21:58:24,367 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. [2024-10-31 21:58:24,371 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 [2024-10-31 21:58:24,372 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) [2024-10-31 21:58:24,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2024-10-31 21:58:24,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 12 letters. Loop has 3 letters. [2024-10-31 21:58:24,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:24,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 15 letters. Loop has 3 letters. [2024-10-31 21:58:24,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:24,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 12 letters. Loop has 6 letters. [2024-10-31 21:58:24,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:24,378 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 191 states and 253 transitions. [2024-10-31 21:58:24,381 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 42 [2024-10-31 21:58:24,384 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 191 states to 137 states and 182 transitions. [2024-10-31 21:58:24,384 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113 [2024-10-31 21:58:24,384 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 114 [2024-10-31 21:58:24,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 182 transitions. [2024-10-31 21:58:24,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:58:24,385 INFO L218 hiAutomatonCegarLoop]: Abstraction has 137 states and 182 transitions. [2024-10-31 21:58:24,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 182 transitions. [2024-10-31 21:58:24,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 108. [2024-10-31 21:58:24,391 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) [2024-10-31 21:58:24,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 146 transitions. [2024-10-31 21:58:24,392 INFO L240 hiAutomatonCegarLoop]: Abstraction has 108 states and 146 transitions. [2024-10-31 21:58:24,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:24,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:58:24,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:58:24,393 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) [2024-10-31 21:58:24,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:24,443 INFO L93 Difference]: Finished difference Result 98 states and 128 transitions. [2024-10-31 21:58:24,443 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 128 transitions. [2024-10-31 21:58:24,445 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2024-10-31 21:58:24,450 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 98 states and 128 transitions. [2024-10-31 21:58:24,451 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2024-10-31 21:58:24,451 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2024-10-31 21:58:24,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 128 transitions. [2024-10-31 21:58:24,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:58:24,456 INFO L218 hiAutomatonCegarLoop]: Abstraction has 98 states and 128 transitions. [2024-10-31 21:58:24,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 128 transitions. [2024-10-31 21:58:24,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 92. [2024-10-31 21:58:24,465 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) [2024-10-31 21:58:24,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 121 transitions. [2024-10-31 21:58:24,466 INFO L240 hiAutomatonCegarLoop]: Abstraction has 92 states and 121 transitions. [2024-10-31 21:58:24,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:58:24,470 INFO L425 stractBuchiCegarLoop]: Abstraction has 92 states and 121 transitions. [2024-10-31 21:58:24,471 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 21:58:24,471 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 121 transitions. [2024-10-31 21:58:24,472 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2024-10-31 21:58:24,472 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:24,472 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:24,472 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:24,473 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 21:58:24,473 INFO L745 eck$LassoCheckResult]: Stem: 2017#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 1979#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;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 1980#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; 2007#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 2018#$Ultimate##0 ~n := #in~n;~m := #in~m; 2037#L58 assume ~n <= 1;#res := 0; 2020#is_prime_FINAL assume true; 2019#is_prime_EXIT >#120#return; 2016#L53-1 is_prime_#res#1 := is_prime_#t~ret9#1;havoc is_prime_#t~ret9#1; 1975#is_prime_returnLabel#1 main_#t~ret13#1 := is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;havoc is_prime_#in~n#1;assume { :end_inline_is_prime } true;main_~result~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;havoc main_#t~nondet14#1;main_~f1~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 1976#L85 assume !(main_~f1~0#1 < 1 || main_~f1~0#1 > 46340);havoc main_#t~nondet15#1;main_~f2~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 1977#L91 assume !(main_~f2~0#1 < 1 || main_~f2~0#1 > 46340);main_#t~short17#1 := 1 == main_~result~0#1; 1981#L97 assume main_#t~short17#1; 1982#L97-1 call main_#t~ret16#1 := mult(main_~f1~0#1, main_~f2~0#1);< 1991#$Ultimate##0 [2024-10-31 21:58:24,473 INFO L747 eck$LassoCheckResult]: Loop: 1991#$Ultimate##0 ~n := #in~n;~m := #in~m; 1999#L18 assume ~m < 0; 1988#L19 call #t~ret4 := mult(~n, -~m);< 1991#$Ultimate##0 [2024-10-31 21:58:24,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:24,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1704575146, now seen corresponding path program 1 times [2024-10-31 21:58:24,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:24,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128185202] [2024-10-31 21:58:24,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:24,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:24,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 21:58:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:24,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:24,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:24,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128185202] [2024-10-31 21:58:24,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128185202] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:24,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:24,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 21:58:24,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825201518] [2024-10-31 21:58:24,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:24,547 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:58:24,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:24,548 INFO L85 PathProgramCache]: Analyzing trace with hash 53807, now seen corresponding path program 1 times [2024-10-31 21:58:24,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:24,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969947680] [2024-10-31 21:58:24,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:24,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:24,551 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:24,554 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:24,601 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:58:24,602 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:58:24,602 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:58:24,602 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:58:24,602 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 21:58:24,602 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,602 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:58:24,602 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:58:24,602 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration5_Loop [2024-10-31 21:58:24,603 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:58:24,603 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:58:24,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:24,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:24,609 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:24,611 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:24,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:24,616 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:24,619 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:24,669 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:58:24,669 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 21:58:24,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,672 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 21:58:24,676 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:24,676 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:24,693 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 21:58:24,693 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret4=0} Honda state: {mult_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 21:58:24,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-10-31 21:58:24,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,721 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 21:58:24,724 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:24,724 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:24,748 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 21:58:24,748 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#res=0} Honda state: {mult_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 21:58:24,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:24,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,777 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 21:58:24,783 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:24,783 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:24,798 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 21:58:24,798 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~m=0} Honda state: {mult_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 21:58:24,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-10-31 21:58:24,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,814 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 21:58:24,816 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:24,816 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:24,830 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 21:58:24,830 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~n=0} Honda state: {mult_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 21:58:24,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-31 21:58:24,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,852 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 21:58:24,855 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:24,856 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:24,871 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 21:58:24,871 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret5=0} Honda state: {mult_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 21:58:24,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-31 21:58:24,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,894 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 21:58:24,897 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:24,897 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:24,915 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 21:58:24,915 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#in~n=0} Honda state: {mult_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 21:58:24,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:24,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,939 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-31 21:58:24,942 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:24,943 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:24,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:24,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:24,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:24,983 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:24,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-31 21:58:24,989 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 21:58:24,989 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:25,080 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 21:58:25,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:25,084 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:58:25,085 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:58:25,085 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:58:25,085 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:58:25,085 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:58:25,085 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:25,085 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:58:25,085 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:58:25,085 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration5_Loop [2024-10-31 21:58:25,085 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:58:25,085 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:58:25,086 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:25,094 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:25,099 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:25,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:25,107 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:25,111 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:25,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:25,205 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:58:25,205 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:58:25,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:25,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:25,209 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:25,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-31 21:58:25,217 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 [2024-10-31 21:58:25,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:25,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:25,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:25,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:25,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:25,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:25,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:25,239 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:25,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:25,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:25,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:25,260 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:25,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-31 21:58:25,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:58:25,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:25,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:25,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:25,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:25,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:25,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:25,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:25,288 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:25,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-10-31 21:58:25,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:25,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:25,312 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:25,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-31 21:58:25,315 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 [2024-10-31 21:58:25,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:25,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:25,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:25,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:25,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:25,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:25,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:25,333 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:25,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:25,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:25,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:25,361 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:25,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-31 21:58:25,367 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 [2024-10-31 21:58:25,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:25,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:25,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:25,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:25,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:25,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:25,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:25,384 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:25,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:25,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:25,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:25,398 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:25,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-31 21:58:25,399 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 [2024-10-31 21:58:25,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:25,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:25,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:25,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:25,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:25,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:25,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:25,414 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:25,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:25,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:25,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:25,435 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:25,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-31 21:58:25,437 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 [2024-10-31 21:58:25,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:25,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:25,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:25,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:25,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:25,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:25,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:25,451 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:25,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-10-31 21:58:25,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:25,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:25,467 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:25,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-31 21:58:25,469 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 [2024-10-31 21:58:25,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:25,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:25,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:25,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:25,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:25,482 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:25,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:25,485 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:58:25,487 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-10-31 21:58:25,487 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 21:58:25,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:25,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:25,489 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:25,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-31 21:58:25,490 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:58:25,490 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 21:58:25,490 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:58:25,490 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_#in~m) = -1*mult_#in~m Supporting invariants [] [2024-10-31 21:58:25,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-10-31 21:58:25,506 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 21:58:25,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:25,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 21:58:25,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:25,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 21:58:25,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:25,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-10-31 21:58:25,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:25,809 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 [2024-10-31 21:58:25,810 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) [2024-10-31 21:58:25,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-31 21:58:25,941 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. [2024-10-31 21:58:25,941 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 [2024-10-31 21:58:25,942 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) [2024-10-31 21:58:25,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2024-10-31 21:58:25,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 14 letters. Loop has 3 letters. [2024-10-31 21:58:25,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:25,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 17 letters. Loop has 3 letters. [2024-10-31 21:58:25,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:25,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 14 letters. Loop has 6 letters. [2024-10-31 21:58:25,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:25,944 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 145 transitions. [2024-10-31 21:58:25,946 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2024-10-31 21:58:25,947 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 106 states and 137 transitions. [2024-10-31 21:58:25,948 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2024-10-31 21:58:25,948 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 101 [2024-10-31 21:58:25,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 106 states and 137 transitions. [2024-10-31 21:58:25,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:58:25,949 INFO L218 hiAutomatonCegarLoop]: Abstraction has 106 states and 137 transitions. [2024-10-31 21:58:25,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states and 137 transitions. [2024-10-31 21:58:25,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 97. [2024-10-31 21:58:25,954 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) [2024-10-31 21:58:25,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 128 transitions. [2024-10-31 21:58:25,955 INFO L240 hiAutomatonCegarLoop]: Abstraction has 97 states and 128 transitions. [2024-10-31 21:58:25,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:25,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 21:58:25,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:58:25,956 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) [2024-10-31 21:58:26,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:26,000 INFO L93 Difference]: Finished difference Result 108 states and 139 transitions. [2024-10-31 21:58:26,000 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 139 transitions. [2024-10-31 21:58:26,002 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2024-10-31 21:58:26,003 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 101 states and 131 transitions. [2024-10-31 21:58:26,004 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2024-10-31 21:58:26,004 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2024-10-31 21:58:26,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 131 transitions. [2024-10-31 21:58:26,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:58:26,005 INFO L218 hiAutomatonCegarLoop]: Abstraction has 101 states and 131 transitions. [2024-10-31 21:58:26,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 131 transitions. [2024-10-31 21:58:26,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 97. [2024-10-31 21:58:26,010 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) [2024-10-31 21:58:26,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 126 transitions. [2024-10-31 21:58:26,011 INFO L240 hiAutomatonCegarLoop]: Abstraction has 97 states and 126 transitions. [2024-10-31 21:58:26,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 21:58:26,012 INFO L425 stractBuchiCegarLoop]: Abstraction has 97 states and 126 transitions. [2024-10-31 21:58:26,012 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-31 21:58:26,013 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 126 transitions. [2024-10-31 21:58:26,014 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2024-10-31 21:58:26,014 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:26,014 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:26,014 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:26,014 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 21:58:26,015 INFO L745 eck$LassoCheckResult]: Stem: 2526#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 2484#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;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 2485#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; 2516#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 2528#$Ultimate##0 ~n := #in~n;~m := #in~m; 2537#L58 assume !(~n <= 1); 2534#L61 assume !(2 == ~n); 2535#L64 assume ~n > 2; 2532#L65 assume !(~m <= 1); 2517#L68 call #t~ret10 := multiple_of(~n, ~m);< 2540#$Ultimate##0 ~n := #in~n;~m := #in~m; 2555#L32 assume !(~m < 0); 2552#L35 assume ~n < 0; 2503#L36 call #t~ret7 := multiple_of(-~n, ~m);< 2518#$Ultimate##0 [2024-10-31 21:58:26,015 INFO L747 eck$LassoCheckResult]: Loop: 2518#$Ultimate##0 ~n := #in~n;~m := #in~m; 2519#L32 assume !(~m < 0); 2520#L35 assume ~n < 0; 2502#L36 call #t~ret7 := multiple_of(-~n, ~m);< 2518#$Ultimate##0 [2024-10-31 21:58:26,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:26,015 INFO L85 PathProgramCache]: Analyzing trace with hash -607918156, now seen corresponding path program 1 times [2024-10-31 21:58:26,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:26,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528860545] [2024-10-31 21:58:26,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:26,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:26,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:26,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:26,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528860545] [2024-10-31 21:58:26,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528860545] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:26,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:26,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 21:58:26,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276254564] [2024-10-31 21:58:26,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:26,121 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:58:26,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:26,121 INFO L85 PathProgramCache]: Analyzing trace with hash 929677, now seen corresponding path program 1 times [2024-10-31 21:58:26,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:26,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127181253] [2024-10-31 21:58:26,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:26,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:26,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:26,139 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:26,245 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:58:26,245 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:58:26,245 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:58:26,245 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:58:26,246 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 21:58:26,246 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:26,246 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:58:26,246 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:58:26,246 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration6_Loop [2024-10-31 21:58:26,246 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:58:26,246 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:58:26,248 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:26,258 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:26,261 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:26,268 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:26,271 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:26,274 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:26,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:26,279 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:26,334 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:58:26,334 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 21:58:26,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:26,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:26,341 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:26,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-31 21:58:26,350 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:26,351 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:26,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:26,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:26,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:26,435 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:26,440 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 21:58:26,440 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:26,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-31 21:58:26,560 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 21:58:26,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:26,565 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:58:26,565 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:58:26,565 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:58:26,565 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:58:26,565 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:58:26,565 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:26,566 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:58:26,566 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:58:26,566 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration6_Loop [2024-10-31 21:58:26,566 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:58:26,566 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:58:26,567 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:26,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:26,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:26,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:26,599 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:26,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:26,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:26,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:26,738 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:58:26,738 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:58:26,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:26,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:26,744 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:26,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-31 21:58:26,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:58:26,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:26,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:26,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:26,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:26,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:26,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:26,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:26,775 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:58:26,778 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-10-31 21:58:26,778 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 21:58:26,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:26,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:26,781 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:26,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-31 21:58:26,784 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:58:26,785 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 21:58:26,785 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:58:26,785 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_#in~n) = -1*multiple_of_#in~n Supporting invariants [] [2024-10-31 21:58:26,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:26,807 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 21:58:26,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:26,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 21:58:26,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:26,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 21:58:26,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:26,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:26,933 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 [2024-10-31 21:58:26,934 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) [2024-10-31 21:58:27,033 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 17 states. [2024-10-31 21:58:27,034 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 [2024-10-31 21:58:27,035 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) [2024-10-31 21:58:27,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 56 transitions. [2024-10-31 21:58:27,036 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 14 letters. Loop has 4 letters. [2024-10-31 21:58:27,036 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:27,036 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 18 letters. Loop has 4 letters. [2024-10-31 21:58:27,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:27,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 14 letters. Loop has 8 letters. [2024-10-31 21:58:27,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:27,040 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 200 states and 269 transitions. [2024-10-31 21:58:27,044 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 48 [2024-10-31 21:58:27,051 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 200 states to 188 states and 257 transitions. [2024-10-31 21:58:27,055 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 173 [2024-10-31 21:58:27,055 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 175 [2024-10-31 21:58:27,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 257 transitions. [2024-10-31 21:58:27,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:58:27,056 INFO L218 hiAutomatonCegarLoop]: Abstraction has 188 states and 257 transitions. [2024-10-31 21:58:27,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 257 transitions. [2024-10-31 21:58:27,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 163. [2024-10-31 21:58:27,072 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) [2024-10-31 21:58:27,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 223 transitions. [2024-10-31 21:58:27,077 INFO L240 hiAutomatonCegarLoop]: Abstraction has 163 states and 223 transitions. [2024-10-31 21:58:27,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:27,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 21:58:27,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:58:27,079 INFO L87 Difference]: Start difference. First operand 163 states and 223 transitions. Second operand has 7 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:27,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:27,203 INFO L93 Difference]: Finished difference Result 171 states and 230 transitions. [2024-10-31 21:58:27,203 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 171 states and 230 transitions. [2024-10-31 21:58:27,206 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2024-10-31 21:58:27,208 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 171 states to 171 states and 230 transitions. [2024-10-31 21:58:27,208 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 164 [2024-10-31 21:58:27,209 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 164 [2024-10-31 21:58:27,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 171 states and 230 transitions. [2024-10-31 21:58:27,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:58:27,209 INFO L218 hiAutomatonCegarLoop]: Abstraction has 171 states and 230 transitions. [2024-10-31 21:58:27,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states and 230 transitions. [2024-10-31 21:58:27,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 165. [2024-10-31 21:58:27,216 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) [2024-10-31 21:58:27,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 223 transitions. [2024-10-31 21:58:27,218 INFO L240 hiAutomatonCegarLoop]: Abstraction has 165 states and 223 transitions. [2024-10-31 21:58:27,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 21:58:27,219 INFO L425 stractBuchiCegarLoop]: Abstraction has 165 states and 223 transitions. [2024-10-31 21:58:27,219 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-31 21:58:27,219 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 165 states and 223 transitions. [2024-10-31 21:58:27,221 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2024-10-31 21:58:27,221 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:27,221 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:27,222 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:27,222 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-31 21:58:27,222 INFO L745 eck$LassoCheckResult]: Stem: 3267#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 3212#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 3213#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 3255#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 3268#$Ultimate##0 ~n := #in~n;~m := #in~m; 3309#L58 assume !(~n <= 1); 3305#L61 assume !(2 == ~n); 3306#L64 assume ~n > 2; 3303#L65 assume !(~m <= 1); 3201#L68 call #t~ret10 := multiple_of(~n, ~m);< 3247#$Ultimate##0 ~n := #in~n;~m := #in~m; 3248#L32 assume !(~m < 0); 3260#L35 assume !(~n < 0); 3253#L38 assume !(0 == ~m); 3254#L41 assume !(0 == ~n); 3236#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 3275#$Ultimate##0 [2024-10-31 21:58:27,222 INFO L747 eck$LassoCheckResult]: Loop: 3275#$Ultimate##0 ~n := #in~n;~m := #in~m; 3274#L32 assume !(~m < 0); 3271#L35 assume !(~n < 0); 3272#L38 assume !(0 == ~m); 3322#L41 assume !(0 == ~n); 3234#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 3275#$Ultimate##0 [2024-10-31 21:58:27,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:27,223 INFO L85 PathProgramCache]: Analyzing trace with hash -93796849, now seen corresponding path program 1 times [2024-10-31 21:58:27,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:27,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959032628] [2024-10-31 21:58:27,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:27,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:27,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:27,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:27,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:27,253 INFO L85 PathProgramCache]: Analyzing trace with hash 893418408, now seen corresponding path program 1 times [2024-10-31 21:58:27,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:27,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614446601] [2024-10-31 21:58:27,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:27,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:27,262 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:27,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:27,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:27,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1206649034, now seen corresponding path program 2 times [2024-10-31 21:58:27,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:27,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769239181] [2024-10-31 21:58:27,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:27,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:27,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:27,305 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:27,420 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:58:27,420 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:58:27,420 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:58:27,420 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:58:27,421 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 21:58:27,421 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:27,421 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:58:27,421 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:58:27,421 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration7_Loop [2024-10-31 21:58:27,421 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:58:27,421 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:58:27,422 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:27,425 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:27,428 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:27,431 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:27,434 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:27,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:27,452 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:27,519 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:58:27,519 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 21:58:27,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:27,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:27,522 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:27,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-31 21:58:27,528 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:27,528 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:27,548 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 21:58:27,548 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#res=0} Honda state: {multiple_of_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 21:58:27,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:27,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:27,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:27,570 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:27,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-31 21:58:27,574 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:27,574 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:27,593 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 21:58:27,593 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_~n=0} Honda state: {multiple_of_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 21:58:27,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:27,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:27,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:27,615 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:27,618 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:27,619 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:27,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-31 21:58:27,637 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 21:58:27,637 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_~m=0} Honda state: {multiple_of_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 21:58:27,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:27,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:27,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:27,660 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:27,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-31 21:58:27,663 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:27,663 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:27,684 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 21:58:27,684 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret8=0} Honda state: {multiple_of_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 21:58:27,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:27,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:27,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:27,707 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:27,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-10-31 21:58:27,709 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:27,710 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:27,724 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 21:58:27,724 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret7=0} Honda state: {multiple_of_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 21:58:27,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-10-31 21:58:27,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:27,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:27,739 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:27,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-31 21:58:27,740 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:27,741 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:27,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:27,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:27,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:27,770 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:27,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-10-31 21:58:27,771 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 21:58:27,771 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:27,863 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 21:58:27,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-10-31 21:58:27,867 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:58:27,867 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:58:27,867 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:58:27,867 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:58:27,867 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:58:27,867 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:27,867 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:58:27,867 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:58:27,867 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration7_Loop [2024-10-31 21:58:27,867 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:58:27,868 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:58:27,869 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:27,872 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:27,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:27,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:27,899 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:27,902 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:27,918 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:27,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:27,995 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:58:27,995 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:58:27,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:27,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:27,998 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:28,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-10-31 21:58:28,002 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 [2024-10-31 21:58:28,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:28,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:28,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:28,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:28,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:28,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:28,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:28,019 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:28,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:28,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:28,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:28,034 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:28,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-10-31 21:58:28,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:58:28,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:28,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:28,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:28,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:28,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:28,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:28,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:28,050 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:28,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-10-31 21:58:28,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:28,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:28,065 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:28,068 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 [2024-10-31 21:58:28,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-10-31 21:58:28,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:28,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:28,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:28,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:28,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:28,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:28,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:28,100 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:28,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-10-31 21:58:28,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:28,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:28,123 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:28,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-10-31 21:58:28,125 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 [2024-10-31 21:58:28,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:28,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:28,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:28,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:28,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:28,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:28,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:28,139 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:28,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-10-31 21:58:28,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:28,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:28,152 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:28,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-10-31 21:58:28,154 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 [2024-10-31 21:58:28,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:28,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:28,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:28,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:28,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:28,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:28,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:28,168 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:28,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-10-31 21:58:28,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:28,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:28,181 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:28,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-10-31 21:58:28,182 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 [2024-10-31 21:58:28,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:28,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:28,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:28,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:28,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:28,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:28,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:28,199 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:58:28,202 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 21:58:28,202 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-31 21:58:28,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:28,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:28,206 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:28,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-10-31 21:58:28,207 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:58:28,207 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 21:58:28,207 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:58:28,207 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_#in~n) = 1*multiple_of_#in~n Supporting invariants [] [2024-10-31 21:58:28,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-10-31 21:58:28,221 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 21:58:28,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:28,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 21:58:28,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:28,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 21:58:28,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:28,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:28,434 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 [2024-10-31 21:58:28,434 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) [2024-10-31 21:58:28,658 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 29 states. [2024-10-31 21:58:28,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2024-10-31 21:58:28,660 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) [2024-10-31 21:58:28,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 43 transitions. [2024-10-31 21:58:28,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 43 transitions. Stem has 16 letters. Loop has 6 letters. [2024-10-31 21:58:28,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:28,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 43 transitions. Stem has 22 letters. Loop has 6 letters. [2024-10-31 21:58:28,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:28,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 43 transitions. Stem has 16 letters. Loop has 12 letters. [2024-10-31 21:58:28,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:28,664 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 218 states and 293 transitions. [2024-10-31 21:58:28,667 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 48 [2024-10-31 21:58:28,673 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 218 states to 206 states and 279 transitions. [2024-10-31 21:58:28,674 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 183 [2024-10-31 21:58:28,674 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 185 [2024-10-31 21:58:28,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 206 states and 279 transitions. [2024-10-31 21:58:28,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:58:28,675 INFO L218 hiAutomatonCegarLoop]: Abstraction has 206 states and 279 transitions. [2024-10-31 21:58:28,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states and 279 transitions. [2024-10-31 21:58:28,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 181. [2024-10-31 21:58:28,688 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) [2024-10-31 21:58:28,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 245 transitions. [2024-10-31 21:58:28,693 INFO L240 hiAutomatonCegarLoop]: Abstraction has 181 states and 245 transitions. [2024-10-31 21:58:28,693 INFO L425 stractBuchiCegarLoop]: Abstraction has 181 states and 245 transitions. [2024-10-31 21:58:28,693 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-31 21:58:28,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 181 states and 245 transitions. [2024-10-31 21:58:28,696 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2024-10-31 21:58:28,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:28,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:28,697 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:28,698 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-31 21:58:28,698 INFO L745 eck$LassoCheckResult]: Stem: 3784#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 3725#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 3726#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 3767#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 3786#$Ultimate##0 ~n := #in~n;~m := #in~m; 3804#L58 assume !(~n <= 1); 3803#L61 assume 2 == ~n;#res := 1; 3801#is_prime_FINAL assume true; 3805#is_prime_EXIT >#120#return; 3782#L53-1 is_prime_#res#1 := is_prime_#t~ret9#1;havoc is_prime_#t~ret9#1; 3719#is_prime_returnLabel#1 main_#t~ret13#1 := is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;havoc is_prime_#in~n#1;assume { :end_inline_is_prime } true;main_~result~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;havoc main_#t~nondet14#1;main_~f1~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 3720#L85 assume !(main_~f1~0#1 < 1 || main_~f1~0#1 > 46340);havoc main_#t~nondet15#1;main_~f2~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 3721#L91 assume !(main_~f2~0#1 < 1 || main_~f2~0#1 > 46340);main_#t~short17#1 := 1 == main_~result~0#1; 3723#L97 assume main_#t~short17#1; 3724#L97-1 call main_#t~ret16#1 := mult(main_~f1~0#1, main_~f2~0#1);< 3752#$Ultimate##0 ~n := #in~n;~m := #in~m; 3753#L18 assume !(~m < 0); 3754#L21 [2024-10-31 21:58:28,698 INFO L747 eck$LassoCheckResult]: Loop: 3754#L21 assume !(0 == ~m); 3732#L24 assume !(1 == ~m); 3733#L27 call #t~ret5 := mult(~n, ~m - 1);< 3741#$Ultimate##0 ~n := #in~n;~m := #in~m; 3759#L18 assume !(~m < 0); 3754#L21 [2024-10-31 21:58:28,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:28,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1729864318, now seen corresponding path program 1 times [2024-10-31 21:58:28,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:28,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344723002] [2024-10-31 21:58:28,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:28,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:28,711 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:28,720 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:28,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:28,721 INFO L85 PathProgramCache]: Analyzing trace with hash 61274134, now seen corresponding path program 1 times [2024-10-31 21:58:28,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:28,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956907823] [2024-10-31 21:58:28,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:28,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:28,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:28,728 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:28,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:28,729 INFO L85 PathProgramCache]: Analyzing trace with hash 466508729, now seen corresponding path program 1 times [2024-10-31 21:58:28,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:28,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512422262] [2024-10-31 21:58:28,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:28,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:28,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:28,766 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:28,896 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:58:28,897 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:58:28,897 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:58:28,897 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:58:28,897 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 21:58:28,897 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:28,897 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:58:28,897 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:58:28,898 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration8_Loop [2024-10-31 21:58:28,898 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:58:28,898 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:58:28,899 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:28,902 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:28,914 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:28,918 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:28,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:29,009 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:58:29,010 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 21:58:29,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:29,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:29,012 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:29,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-10-31 21:58:29,016 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:29,017 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:29,031 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 21:58:29,031 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#res=0} Honda state: {mult_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 21:58:29,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-10-31 21:58:29,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:29,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:29,045 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:29,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-10-31 21:58:29,048 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:29,048 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:29,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:29,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:29,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:29,083 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:29,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-10-31 21:58:29,085 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 21:58:29,085 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:29,666 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 21:58:29,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-10-31 21:58:29,670 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:58:29,670 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:58:29,670 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:58:29,670 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:58:29,670 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:58:29,670 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:29,670 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:58:29,670 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:58:29,670 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration8_Loop [2024-10-31 21:58:29,670 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:58:29,670 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:58:29,671 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:29,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:29,683 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:29,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:29,691 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:29,754 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:58:29,754 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:58:29,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:29,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:29,755 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:29,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-10-31 21:58:29,757 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 [2024-10-31 21:58:29,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:29,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:29,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:29,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:29,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:29,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:29,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:29,776 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:29,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-10-31 21:58:29,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:29,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:29,791 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:29,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-10-31 21:58:29,793 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 [2024-10-31 21:58:29,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:29,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:29,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:29,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:29,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:29,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:29,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:29,809 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:58:29,813 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 21:58:29,813 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-31 21:58:29,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:29,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:29,816 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:29,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-10-31 21:58:29,817 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:58:29,818 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 21:58:29,818 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:58:29,818 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_~m) = 1*mult_~m Supporting invariants [] [2024-10-31 21:58:29,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-10-31 21:58:29,834 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 21:58:29,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:29,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 21:58:29,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:29,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 21:58:29,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:30,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:30,014 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 [2024-10-31 21:58:30,014 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 181 states and 245 transitions. cyclomatic complexity: 72 Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 21:58:30,128 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 181 states and 245 transitions. cyclomatic complexity: 72. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 205 states and 272 transitions. Complement of second has 17 states. [2024-10-31 21:58:30,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-31 21:58:30,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 21:58:30,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2024-10-31 21:58:30,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 17 letters. Loop has 5 letters. [2024-10-31 21:58:30,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:30,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 22 letters. Loop has 5 letters. [2024-10-31 21:58:30,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:30,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 17 letters. Loop has 10 letters. [2024-10-31 21:58:30,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:30,131 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 205 states and 272 transitions. [2024-10-31 21:58:30,134 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2024-10-31 21:58:30,137 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 205 states to 204 states and 271 transitions. [2024-10-31 21:58:30,137 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 177 [2024-10-31 21:58:30,137 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 180 [2024-10-31 21:58:30,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 204 states and 271 transitions. [2024-10-31 21:58:30,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:58:30,138 INFO L218 hiAutomatonCegarLoop]: Abstraction has 204 states and 271 transitions. [2024-10-31 21:58:30,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states and 271 transitions. [2024-10-31 21:58:30,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 191. [2024-10-31 21:58:30,144 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) [2024-10-31 21:58:30,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 257 transitions. [2024-10-31 21:58:30,146 INFO L240 hiAutomatonCegarLoop]: Abstraction has 191 states and 257 transitions. [2024-10-31 21:58:30,147 INFO L425 stractBuchiCegarLoop]: Abstraction has 191 states and 257 transitions. [2024-10-31 21:58:30,147 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-10-31 21:58:30,147 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 191 states and 257 transitions. [2024-10-31 21:58:30,148 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2024-10-31 21:58:30,149 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:30,149 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:30,149 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] [2024-10-31 21:58:30,150 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 21:58:30,150 INFO L745 eck$LassoCheckResult]: Stem: 4280#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 4214#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 4215#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 4263#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 4281#$Ultimate##0 ~n := #in~n;~m := #in~m; 4292#L58 assume !(~n <= 1); 4289#L61 assume 2 == ~n;#res := 1; 4285#is_prime_FINAL assume true; 4284#is_prime_EXIT >#120#return; 4279#L53-1 is_prime_#res#1 := is_prime_#t~ret9#1;havoc is_prime_#t~ret9#1; 4208#is_prime_returnLabel#1 main_#t~ret13#1 := is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;havoc is_prime_#in~n#1;assume { :end_inline_is_prime } true;main_~result~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;havoc main_#t~nondet14#1;main_~f1~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 4209#L85 assume !(main_~f1~0#1 < 1 || main_~f1~0#1 > 46340);havoc main_#t~nondet15#1;main_~f2~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 4210#L91 assume !(main_~f2~0#1 < 1 || main_~f2~0#1 > 46340);main_#t~short17#1 := 1 == main_~result~0#1; 4216#L97 assume main_#t~short17#1; 4217#L97-1 call main_#t~ret16#1 := mult(main_~f1~0#1, main_~f2~0#1);< 4245#$Ultimate##0 ~n := #in~n;~m := #in~m; 4246#L18 assume !(~m < 0); 4247#L21 assume !(0 == ~m); 4223#L24 assume !(1 == ~m); 4225#L27 call #t~ret5 := mult(~n, ~m - 1);< 4249#$Ultimate##0 ~n := #in~n;~m := #in~m; 4333#L18 assume ~m < 0; 4233#L19 [2024-10-31 21:58:30,150 INFO L747 eck$LassoCheckResult]: Loop: 4233#L19 call #t~ret4 := mult(~n, -~m);< 4234#$Ultimate##0 ~n := #in~n;~m := #in~m; 4253#L18 assume ~m < 0; 4233#L19 [2024-10-31 21:58:30,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:30,151 INFO L85 PathProgramCache]: Analyzing trace with hash 466508726, now seen corresponding path program 1 times [2024-10-31 21:58:30,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:30,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968130521] [2024-10-31 21:58:30,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:30,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:30,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-10-31 21:58:30,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:30,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 21:58:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:30,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:30,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:30,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968130521] [2024-10-31 21:58:30,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968130521] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:30,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:30,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:58:30,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350138296] [2024-10-31 21:58:30,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:30,249 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:58:30,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:30,249 INFO L85 PathProgramCache]: Analyzing trace with hash 141077, now seen corresponding path program 2 times [2024-10-31 21:58:30,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:30,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882351918] [2024-10-31 21:58:30,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:30,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:30,252 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:30,255 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:30,333 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:58:30,333 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:58:30,333 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:58:30,333 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:58:30,333 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 21:58:30,333 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:30,333 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:58:30,333 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:58:30,334 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration9_Loop [2024-10-31 21:58:30,334 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:58:30,334 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:58:30,335 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:30,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:30,342 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:30,345 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:30,354 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:30,406 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:58:30,406 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 21:58:30,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:30,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:30,409 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:30,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-10-31 21:58:30,411 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:30,411 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:30,429 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 21:58:30,429 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret5=0} Honda state: {mult_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 21:58:30,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:30,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:30,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:30,450 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:30,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-10-31 21:58:30,454 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:30,454 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:30,483 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 21:58:30,483 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~n=-6, mult_#in~n=-6} Honda state: {mult_~n=-6, mult_#in~n=-6} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 21:58:30,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:30,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:30,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:30,504 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:30,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-10-31 21:58:30,506 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:30,506 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:30,526 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 21:58:30,526 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret4=0} Honda state: {mult_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 21:58:30,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:30,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:30,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:30,549 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:30,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-10-31 21:58:30,551 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 21:58:30,552 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:30,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:30,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:30,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:30,604 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:30,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-10-31 21:58:30,606 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 21:58:30,606 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 21:58:31,847 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 21:58:31,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2024-10-31 21:58:31,851 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:58:31,851 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:58:31,851 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:58:31,852 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:58:31,852 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:58:31,852 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:31,852 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:58:31,852 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:58:31,852 INFO L132 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration9_Loop [2024-10-31 21:58:31,852 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:58:31,852 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:58:31,853 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:31,860 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:31,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:31,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:31,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:58:31,924 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:58:31,924 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:58:31,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:31,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:31,926 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:31,934 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 [2024-10-31 21:58:31,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-10-31 21:58:31,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:31,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:31,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:31,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:31,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:31,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:31,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:31,952 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:31,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:31,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:31,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:31,972 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:31,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-10-31 21:58:31,982 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 [2024-10-31 21:58:31,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:31,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:31,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:31,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:31,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:31,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:31,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:32,000 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:32,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:32,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:32,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:32,024 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:32,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-10-31 21:58:32,027 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 [2024-10-31 21:58:32,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:32,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:32,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:32,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:32,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:32,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:32,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:32,046 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:58:32,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:32,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:32,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:32,066 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:32,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-10-31 21:58:32,070 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 [2024-10-31 21:58:32,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:58:32,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:58:32,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:58:32,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:58:32,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:58:32,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:58:32,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:58:32,091 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:58:32,093 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-10-31 21:58:32,093 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 21:58:32,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:58:32,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:32,094 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:32,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-10-31 21:58:32,096 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:58:32,096 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 21:58:32,096 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:58:32,096 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_~m) = 1*mult_~m Supporting invariants [] [2024-10-31 21:58:32,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2024-10-31 21:58:32,111 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 21:58:32,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:32,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 21:58:32,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:32,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 21:58:32,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:32,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:32,275 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 [2024-10-31 21:58:32,275 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) [2024-10-31 21:58:32,381 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. [2024-10-31 21:58:32,382 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 [2024-10-31 21:58:32,382 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) [2024-10-31 21:58:32,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 54 transitions. [2024-10-31 21:58:32,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 22 letters. Loop has 3 letters. [2024-10-31 21:58:32,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:32,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 25 letters. Loop has 3 letters. [2024-10-31 21:58:32,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:32,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 22 letters. Loop has 6 letters. [2024-10-31 21:58:32,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:58:32,384 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 303 transitions. [2024-10-31 21:58:32,387 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2024-10-31 21:58:32,390 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 222 states and 293 transitions. [2024-10-31 21:58:32,390 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2024-10-31 21:58:32,390 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 190 [2024-10-31 21:58:32,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 222 states and 293 transitions. [2024-10-31 21:58:32,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:58:32,391 INFO L218 hiAutomatonCegarLoop]: Abstraction has 222 states and 293 transitions. [2024-10-31 21:58:32,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states and 293 transitions. [2024-10-31 21:58:32,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 209. [2024-10-31 21:58:32,397 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) [2024-10-31 21:58:32,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 279 transitions. [2024-10-31 21:58:32,399 INFO L240 hiAutomatonCegarLoop]: Abstraction has 209 states and 279 transitions. [2024-10-31 21:58:32,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:32,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:58:32,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:58:32,400 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) [2024-10-31 21:58:32,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:32,436 INFO L93 Difference]: Finished difference Result 205 states and 270 transitions. [2024-10-31 21:58:32,436 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 205 states and 270 transitions. [2024-10-31 21:58:32,439 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2024-10-31 21:58:32,440 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 205 states to 145 states and 177 transitions. [2024-10-31 21:58:32,440 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2024-10-31 21:58:32,441 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2024-10-31 21:58:32,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 177 transitions. [2024-10-31 21:58:32,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:58:32,441 INFO L218 hiAutomatonCegarLoop]: Abstraction has 145 states and 177 transitions. [2024-10-31 21:58:32,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 177 transitions. [2024-10-31 21:58:32,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 125. [2024-10-31 21:58:32,445 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) [2024-10-31 21:58:32,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 154 transitions. [2024-10-31 21:58:32,446 INFO L240 hiAutomatonCegarLoop]: Abstraction has 125 states and 154 transitions. [2024-10-31 21:58:32,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 21:58:32,447 INFO L425 stractBuchiCegarLoop]: Abstraction has 125 states and 154 transitions. [2024-10-31 21:58:32,447 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-10-31 21:58:32,448 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 154 transitions. [2024-10-31 21:58:32,448 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2024-10-31 21:58:32,449 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:32,449 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:32,449 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:32,449 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:32,450 INFO L745 eck$LassoCheckResult]: Stem: 5193#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 5182#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 5174#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 5162#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 5198#$Ultimate##0 ~n := #in~n;~m := #in~m; 5220#L58 assume !(~n <= 1); 5219#L61 assume !(2 == ~n); 5218#L64 assume ~n > 2; 5217#L65 assume !(~m <= 1); 5187#L68 call #t~ret10 := multiple_of(~n, ~m);< 5216#$Ultimate##0 ~n := #in~n;~m := #in~m; 5215#L32 assume !(~m < 0); 5214#L35 assume !(~n < 0); 5213#L38 assume !(0 == ~m); 5212#L41 assume !(0 == ~n); 5172#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5210#$Ultimate##0 ~n := #in~n;~m := #in~m; 5211#L32 assume !(~m < 0); 5227#L35 assume ~n < 0; 5180#L36 call #t~ret7 := multiple_of(-~n, ~m);< 5208#$Ultimate##0 ~n := #in~n;~m := #in~m; 5209#L32 assume !(~m < 0); 5239#L35 assume !(~n < 0); 5237#L38 assume !(0 == ~m); 5233#L41 assume !(0 == ~n); 5202#L44 [2024-10-31 21:58:32,450 INFO L747 eck$LassoCheckResult]: Loop: 5202#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5243#$Ultimate##0 ~n := #in~n;~m := #in~m; 5242#L32 assume !(~m < 0); 5221#L35 assume ~n < 0; 5176#L36 call #t~ret7 := multiple_of(-~n, ~m);< 5177#$Ultimate##0 ~n := #in~n;~m := #in~m; 5241#L32 assume !(~m < 0); 5240#L35 assume !(~n < 0); 5238#L38 assume !(0 == ~m); 5234#L41 assume !(0 == ~n); 5202#L44 [2024-10-31 21:58:32,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:32,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1630507919, now seen corresponding path program 1 times [2024-10-31 21:58:32,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:32,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450379752] [2024-10-31 21:58:32,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:32,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:32,582 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:32,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:32,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450379752] [2024-10-31 21:58:32,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450379752] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:58:32,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710390537] [2024-10-31 21:58:32,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:32,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:58:32,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:32,586 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:58:32,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2024-10-31 21:58:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:32,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-31 21:58:32,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:58:32,701 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:32,701 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:58:32,808 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:32,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710390537] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:58:32,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:58:32,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2024-10-31 21:58:32,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052226155] [2024-10-31 21:58:32,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:58:32,811 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:58:32,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:32,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1914411566, now seen corresponding path program 1 times [2024-10-31 21:58:32,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:32,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859939470] [2024-10-31 21:58:32,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:32,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:32,815 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:32,841 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:32,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-10-31 21:58:33,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:33,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-31 21:58:33,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-10-31 21:58:33,147 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) [2024-10-31 21:58:33,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:33,358 INFO L93 Difference]: Finished difference Result 149 states and 188 transitions. [2024-10-31 21:58:33,358 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 149 states and 188 transitions. [2024-10-31 21:58:33,360 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2024-10-31 21:58:33,362 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 149 states to 147 states and 186 transitions. [2024-10-31 21:58:33,362 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 132 [2024-10-31 21:58:33,363 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 132 [2024-10-31 21:58:33,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 147 states and 186 transitions. [2024-10-31 21:58:33,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:58:33,363 INFO L218 hiAutomatonCegarLoop]: Abstraction has 147 states and 186 transitions. [2024-10-31 21:58:33,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states and 186 transitions. [2024-10-31 21:58:33,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 143. [2024-10-31 21:58:33,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 110 states have (on average 1.1090909090909091) internal successors, (122), 114 states have internal predecessors, (122), 20 states have call successors, (20), 15 states have call predecessors, (20), 13 states have return successors, (31), 13 states have call predecessors, (31), 17 states have call successors, (31) [2024-10-31 21:58:33,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 173 transitions. [2024-10-31 21:58:33,371 INFO L240 hiAutomatonCegarLoop]: Abstraction has 143 states and 173 transitions. [2024-10-31 21:58:33,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-31 21:58:33,373 INFO L425 stractBuchiCegarLoop]: Abstraction has 143 states and 173 transitions. [2024-10-31 21:58:33,373 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-10-31 21:58:33,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 143 states and 173 transitions. [2024-10-31 21:58:33,374 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2024-10-31 21:58:33,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:58:33,375 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:58:33,377 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:33,377 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:33,379 INFO L745 eck$LassoCheckResult]: Stem: 5644#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 5627#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;havoc main_#t~nondet12#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 5622#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 5605#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 5648#$Ultimate##0 ~n := #in~n;~m := #in~m; 5672#L58 assume !(~n <= 1); 5671#L61 assume !(2 == ~n); 5670#L64 assume ~n > 2; 5669#L65 assume !(~m <= 1); 5663#L68 call #t~ret10 := multiple_of(~n, ~m);< 5668#$Ultimate##0 ~n := #in~n;~m := #in~m; 5667#L32 assume !(~m < 0); 5666#L35 assume !(~n < 0); 5665#L38 assume !(0 == ~m); 5664#L41 assume !(0 == ~n); 5620#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5662#$Ultimate##0 ~n := #in~n;~m := #in~m; 5630#L32 assume !(~m < 0); 5631#L35 assume !(~n < 0); 5619#L38 assume !(0 == ~m); 5621#L41 assume !(0 == ~n); 5611#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5609#$Ultimate##0 ~n := #in~n;~m := #in~m; 5612#L32 assume !(~m < 0); 5657#L35 assume ~n < 0; 5599#L36 call #t~ret7 := multiple_of(-~n, ~m);< 5656#$Ultimate##0 ~n := #in~n;~m := #in~m; 5628#L32 assume !(~m < 0); 5629#L35 assume !(~n < 0); 5647#L38 assume !(0 == ~m); 5732#L41 assume !(0 == ~n); 5616#L44 [2024-10-31 21:58:33,379 INFO L747 eck$LassoCheckResult]: Loop: 5616#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5677#$Ultimate##0 ~n := #in~n;~m := #in~m; 5674#L32 assume !(~m < 0); 5673#L35 assume ~n < 0; 5598#L36 call #t~ret7 := multiple_of(-~n, ~m);< 5623#$Ultimate##0 ~n := #in~n;~m := #in~m; 5738#L32 assume !(~m < 0); 5737#L35 assume !(~n < 0); 5736#L38 assume !(0 == ~m); 5645#L41 assume !(0 == ~n); 5616#L44 [2024-10-31 21:58:33,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:33,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1699001928, now seen corresponding path program 2 times [2024-10-31 21:58:33,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:33,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969589102] [2024-10-31 21:58:33,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:33,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:33,396 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:33,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:33,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:33,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1914411566, now seen corresponding path program 2 times [2024-10-31 21:58:33,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:33,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500467665] [2024-10-31 21:58:33,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:33,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:33,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:33,421 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:33,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:33,422 INFO L85 PathProgramCache]: Analyzing trace with hash -186489931, now seen corresponding path program 3 times [2024-10-31 21:58:33,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:33,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373711641] [2024-10-31 21:58:33,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:33,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:33,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:33,450 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:34,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:34,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 09:58:34 BoogieIcfgContainer [2024-10-31 21:58:34,943 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 21:58:34,944 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 21:58:34,944 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 21:58:34,944 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 21:58:34,947 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:16" (3/4) ... [2024-10-31 21:58:34,950 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-31 21:58:35,007 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 21:58:35,007 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 21:58:35,008 INFO L158 Benchmark]: Toolchain (without parser) took 19163.73ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 102.9MB in the beginning and 99.5MB in the end (delta: 3.5MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2024-10-31 21:58:35,008 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:58:35,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.69ms. Allocated memory is still 140.5MB. Free memory was 102.4MB in the beginning and 89.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 21:58:35,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.12ms. Allocated memory is still 140.5MB. Free memory was 89.8MB in the beginning and 88.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:58:35,009 INFO L158 Benchmark]: Boogie Preprocessor took 43.26ms. Allocated memory is still 140.5MB. Free memory was 88.1MB in the beginning and 86.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:58:35,010 INFO L158 Benchmark]: RCFGBuilder took 488.99ms. Allocated memory is still 140.5MB. Free memory was 86.2MB in the beginning and 73.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 21:58:35,013 INFO L158 Benchmark]: BuchiAutomizer took 18083.66ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 72.6MB in the beginning and 101.6MB in the end (delta: -28.9MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-10-31 21:58:35,013 INFO L158 Benchmark]: Witness Printer took 63.41ms. Allocated memory is still 176.2MB. Free memory was 101.6MB in the beginning and 99.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:58:35,015 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.69ms. Allocated memory is still 140.5MB. Free memory was 102.4MB in the beginning and 89.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.12ms. Allocated memory is still 140.5MB. Free memory was 89.8MB in the beginning and 88.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.26ms. Allocated memory is still 140.5MB. Free memory was 88.1MB in the beginning and 86.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 488.99ms. Allocated memory is still 140.5MB. Free memory was 86.2MB in the beginning and 73.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 18083.66ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 72.6MB in the beginning and 101.6MB in the end (delta: -28.9MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Witness Printer took 63.41ms. Allocated memory is still 176.2MB. Free memory was 101.6MB in the beginning and 99.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 15 terminating modules (8 trivial, 7 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function \old(m) and consists of 15 locations. One deterministic module has affine ranking function m and consists of 5 locations. One deterministic module has affine ranking function ((long long) -1 * \old(m)) and consists of 5 locations. One deterministic module has affine ranking function ((long long) -1 * \old(n)) and consists of 5 locations. One deterministic module has affine ranking function \old(n) and consists of 8 locations. One deterministic module has affine ranking function m and consists of 6 locations. One deterministic module has affine ranking function m and consists of 5 locations. 8 modules have a trivial ranking function, the largest among these consists of 14 locations. The remainder module has 143 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 17.9s and 11 iterations. TraceHistogramMax:4. Analysis of lassos took 12.9s. Construction of modules took 1.3s. Büchi inclusion checks took 3.3s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 11. Automata minimization 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 303 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, 669 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 645 mSDsluCounter, 1991 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1325 mSDsCounter, 200 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 991 IncrementalHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 200 mSolverCounterUnsat, 666 mSDtfsCounter, 991 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT2 conc0 concLT1 SILN1 SILU0 SILI0 SILT4 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp79 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf93 smp89 dnf100 smp100 tf109 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 19 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 7 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 3.9s 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! [2024-10-31 21:58:35,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Forceful destruction successful, exit code 0 [2024-10-31 21:58:35,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 21:58:35,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_910d3d0b-025f-4fb0-aa1a-b1fa98fc4265/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, 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)