./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Primes.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16beca065b3aeb336c54dcf96f3abbe61553e7d28b28c1a40f525ad89a5da56e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 21:36:58,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 21:36:58,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 21:36:58,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 21:36:58,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 21:36:58,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 21:36:58,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 21:36:58,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 21:36:58,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 21:36:58,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 21:36:58,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 21:36:58,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 21:36:58,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 21:36:58,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 21:36:58,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 21:36:58,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 21:36:58,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 21:36:58,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 21:36:58,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 21:36:58,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 21:36:58,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 21:36:58,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 21:36:58,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 21:36:58,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 21:36:58,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 21:36:58,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 21:36:58,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 21:36:58,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 21:36:58,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 21:36:58,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 21:36:58,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 21:36:58,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 21:36:58,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 21:36:58,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 21:36:58,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 21:36:58,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 21:36:58,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 21:36:58,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 21:36:58,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 21:36:58,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 21:36:58,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 21:36:58,112 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-06 21:36:58,131 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 21:36:58,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 21:36:58,131 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 21:36:58,132 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 21:36:58,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 21:36:58,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 21:36:58,133 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 21:36:58,133 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 21:36:58,133 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 21:36:58,133 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 21:36:58,133 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 21:36:58,133 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 21:36:58,133 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 21:36:58,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 21:36:58,134 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 21:36:58,134 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 21:36:58,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 21:36:58,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 21:36:58,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 21:36:58,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 21:36:58,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 21:36:58,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 21:36:58,134 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 21:36:58,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 21:36:58,135 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 21:36:58,135 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 21:36:58,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 21:36:58,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 21:36:58,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 21:36:58,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 21:36:58,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 21:36:58,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 21:36:58,136 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 21:36:58,136 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16beca065b3aeb336c54dcf96f3abbe61553e7d28b28c1a40f525ad89a5da56e [2021-12-06 21:36:58,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 21:36:58,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 21:36:58,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 21:36:58,331 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 21:36:58,332 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 21:36:58,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/recursive/Primes.c [2021-12-06 21:36:58,380 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/data/7bfc4f2c8/533306e3c8ad487d893d8eb77e551f71/FLAGe2e6e9653 [2021-12-06 21:36:58,763 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 21:36:58,763 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/sv-benchmarks/c/recursive/Primes.c [2021-12-06 21:36:58,768 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/data/7bfc4f2c8/533306e3c8ad487d893d8eb77e551f71/FLAGe2e6e9653 [2021-12-06 21:36:58,779 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/data/7bfc4f2c8/533306e3c8ad487d893d8eb77e551f71 [2021-12-06 21:36:58,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 21:36:58,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 21:36:58,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 21:36:58,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 21:36:58,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 21:36:58,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:36:58" (1/1) ... [2021-12-06 21:36:58,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@346cfba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:36:58, skipping insertion in model container [2021-12-06 21:36:58,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:36:58" (1/1) ... [2021-12-06 21:36:58,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 21:36:58,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 21:36:58,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/sv-benchmarks/c/recursive/Primes.c[2190,2203] [2021-12-06 21:36:58,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:36:58,938 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 21:36:58,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/sv-benchmarks/c/recursive/Primes.c[2190,2203] [2021-12-06 21:36:58,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:36:58,962 INFO L208 MainTranslator]: Completed translation [2021-12-06 21:36:58,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:36:58 WrapperNode [2021-12-06 21:36:58,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 21:36:58,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 21:36:58,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 21:36:58,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 21:36:58,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:36:58" (1/1) ... [2021-12-06 21:36:58,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:36:58" (1/1) ... [2021-12-06 21:36:58,987 INFO L137 Inliner]: procedures = 16, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2021-12-06 21:36:58,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 21:36:58,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 21:36:58,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 21:36:58,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 21:36:58,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:36:58" (1/1) ... [2021-12-06 21:36:58,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:36:58" (1/1) ... [2021-12-06 21:36:58,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:36:58" (1/1) ... [2021-12-06 21:36:58,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:36:58" (1/1) ... [2021-12-06 21:36:58,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:36:58" (1/1) ... [2021-12-06 21:36:59,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:36:58" (1/1) ... [2021-12-06 21:36:59,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:36:58" (1/1) ... [2021-12-06 21:36:59,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 21:36:59,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 21:36:59,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 21:36:59,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 21:36:59,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:36:58" (1/1) ... [2021-12-06 21:36:59,010 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:36:59,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:36:59,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:36:59,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 21:36:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure multiple_of [2021-12-06 21:36:59,061 INFO L138 BoogieDeclarations]: Found implementation of procedure multiple_of [2021-12-06 21:36:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 21:36:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2021-12-06 21:36:59,061 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2021-12-06 21:36:59,062 INFO L130 BoogieDeclarations]: Found specification of procedure is_prime_ [2021-12-06 21:36:59,062 INFO L138 BoogieDeclarations]: Found implementation of procedure is_prime_ [2021-12-06 21:36:59,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 21:36:59,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 21:36:59,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 21:36:59,108 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 21:36:59,109 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 21:36:59,217 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 21:36:59,222 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 21:36:59,222 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 21:36:59,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:36:59 BoogieIcfgContainer [2021-12-06 21:36:59,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 21:36:59,224 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 21:36:59,225 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 21:36:59,227 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 21:36:59,228 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 21:36:59,228 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 09:36:58" (1/3) ... [2021-12-06 21:36:59,229 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f6d1841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 09:36:59, skipping insertion in model container [2021-12-06 21:36:59,229 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 21:36:59,229 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:36:58" (2/3) ... [2021-12-06 21:36:59,229 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f6d1841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 09:36:59, skipping insertion in model container [2021-12-06 21:36:59,229 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 21:36:59,229 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:36:59" (3/3) ... [2021-12-06 21:36:59,230 INFO L388 chiAutomizerObserver]: Analyzing ICFG Primes.c [2021-12-06 21:36:59,263 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 21:36:59,263 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 21:36:59,263 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 21:36:59,264 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 21:36:59,264 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 21:36:59,264 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 21:36:59,264 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 21:36:59,264 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 21:36:59,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 50 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 37 states have internal predecessors, (54), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-06 21:36:59,299 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-12-06 21:36:59,299 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 21:36:59,299 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 21:36:59,306 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 21:36:59,306 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:36:59,306 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 21:36:59,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 50 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 37 states have internal predecessors, (54), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-06 21:36:59,314 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-12-06 21:36:59,314 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 21:36:59,314 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 21:36:59,315 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 21:36:59,315 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:36:59,320 INFO L791 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 30#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 16#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; 23#L53true call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 32#is_prime_ENTRYtrue [2021-12-06 21:36:59,321 INFO L793 eck$LassoCheckResult]: Loop: 32#is_prime_ENTRYtrue ~n := #in~n;~m := #in~m; 51#L58true assume !(~n <= 1); 33#L61true assume !(2 == ~n); 48#L64true assume ~n > 2; 9#L65true assume !(~m <= 1); 28#L68true call #t~ret10 := multiple_of(~n, ~m);< 46#multiple_ofENTRYtrue ~n := #in~n;~m := #in~m; 43#L32true assume !(~m < 0); 49#L35true assume !(~n < 0); 15#L38true assume 0 == ~m;#res := 0; 19#multiple_ofFINALtrue assume true; 20#multiple_ofEXITtrue >#122#return; 21#L68-1true assume !(0 == #t~ret10);havoc #t~ret10; 5#L71true call #t~ret11 := is_prime_(~n, ~m - 1);< 32#is_prime_ENTRYtrue [2021-12-06 21:36:59,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:36:59,325 INFO L85 PathProgramCache]: Analyzing trace with hash 2218663, now seen corresponding path program 1 times [2021-12-06 21:36:59,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:36:59,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152778474] [2021-12-06 21:36:59,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:36:59,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:36:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:36:59,404 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:36:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:36:59,427 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:36:59,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:36:59,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1788949215, now seen corresponding path program 1 times [2021-12-06 21:36:59,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:36:59,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083583670] [2021-12-06 21:36:59,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:36:59,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:36:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:36:59,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-06 21:36:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:36:59,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:36:59,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:36:59,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083583670] [2021-12-06 21:36:59,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083583670] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:36:59,529 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:36:59,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 21:36:59,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226473232] [2021-12-06 21:36:59,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:36:59,534 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 21:36:59,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:36:59,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 21:36:59,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:36:59,567 INFO L87 Difference]: Start difference. First operand has 50 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 37 states have internal predecessors, (54), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:36:59,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:36:59,631 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2021-12-06 21:36:59,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:36:59,635 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 80 transitions. [2021-12-06 21:36:59,640 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-12-06 21:36:59,645 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 41 states and 54 transitions. [2021-12-06 21:36:59,645 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2021-12-06 21:36:59,646 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-12-06 21:36:59,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 54 transitions. [2021-12-06 21:36:59,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 21:36:59,648 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2021-12-06 21:36:59,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 54 transitions. [2021-12-06 21:36:59,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2021-12-06 21:36:59,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 30 states have internal predecessors, (37), 9 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-06 21:36:59,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 51 transitions. [2021-12-06 21:36:59,669 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 51 transitions. [2021-12-06 21:36:59,670 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 51 transitions. [2021-12-06 21:36:59,670 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 21:36:59,670 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 51 transitions. [2021-12-06 21:36:59,671 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-12-06 21:36:59,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 21:36:59,671 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 21:36:59,672 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 21:36:59,672 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:36:59,672 INFO L791 eck$LassoCheckResult]: Stem: 155#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 138#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 139#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 134#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 135#is_prime_ENTRY [2021-12-06 21:36:59,672 INFO L793 eck$LassoCheckResult]: Loop: 135#is_prime_ENTRY ~n := #in~n;~m := #in~m; 149#L58 assume !(~n <= 1); 150#L61 assume !(2 == ~n); 151#L64 assume ~n > 2; 144#L65 assume !(~m <= 1); 126#L68 call #t~ret10 := multiple_of(~n, ~m);< 137#multiple_ofENTRY ~n := #in~n;~m := #in~m; 160#L32 assume !(~m < 0); 161#L35 assume !(~n < 0); 158#L38 assume !(0 == ~m); 159#L41 assume 0 == ~n;#res := 1; 130#multiple_ofFINAL assume true; 162#multiple_ofEXIT >#122#return; 163#L68-1 assume !(0 == #t~ret10);havoc #t~ret10; 133#L71 call #t~ret11 := is_prime_(~n, ~m - 1);< 135#is_prime_ENTRY [2021-12-06 21:36:59,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:36:59,672 INFO L85 PathProgramCache]: Analyzing trace with hash 2218663, now seen corresponding path program 2 times [2021-12-06 21:36:59,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:36:59,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652314709] [2021-12-06 21:36:59,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:36:59,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:36:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:36:59,681 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:36:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:36:59,689 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:36:59,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:36:59,690 INFO L85 PathProgramCache]: Analyzing trace with hash 399153633, now seen corresponding path program 1 times [2021-12-06 21:36:59,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:36:59,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427207542] [2021-12-06 21:36:59,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:36:59,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:36:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:36:59,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-06 21:36:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:36:59,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:36:59,731 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:36:59,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427207542] [2021-12-06 21:36:59,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427207542] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:36:59,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:36:59,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 21:36:59,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511021052] [2021-12-06 21:36:59,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:36:59,733 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 21:36:59,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:36:59,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 21:36:59,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:36:59,734 INFO L87 Difference]: Start difference. First operand 39 states and 51 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:36:59,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:36:59,783 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2021-12-06 21:36:59,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:36:59,784 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2021-12-06 21:36:59,787 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-12-06 21:36:59,789 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 57 transitions. [2021-12-06 21:36:59,789 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2021-12-06 21:36:59,790 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2021-12-06 21:36:59,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 57 transitions. [2021-12-06 21:36:59,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 21:36:59,791 INFO L681 BuchiCegarLoop]: Abstraction has 43 states and 57 transitions. [2021-12-06 21:36:59,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 57 transitions. [2021-12-06 21:36:59,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2021-12-06 21:36:59,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 32 states have internal predecessors, (38), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-12-06 21:36:59,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 54 transitions. [2021-12-06 21:36:59,796 INFO L704 BuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2021-12-06 21:36:59,796 INFO L587 BuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2021-12-06 21:36:59,797 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 21:36:59,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 54 transitions. [2021-12-06 21:36:59,798 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-12-06 21:36:59,798 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 21:36:59,798 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 21:36:59,799 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 21:36:59,799 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:36:59,799 INFO L791 eck$LassoCheckResult]: Stem: 255#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 239#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 240#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 233#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 234#is_prime_ENTRY [2021-12-06 21:36:59,800 INFO L793 eck$LassoCheckResult]: Loop: 234#is_prime_ENTRY ~n := #in~n;~m := #in~m; 248#L58 assume !(~n <= 1); 251#L61 assume !(2 == ~n); 252#L64 assume ~n > 2; 243#L65 assume !(~m <= 1); 226#L68 call #t~ret10 := multiple_of(~n, ~m);< 236#multiple_ofENTRY ~n := #in~n;~m := #in~m; 260#L32 assume !(~m < 0); 261#L35 assume !(~n < 0); 258#L38 assume !(0 == ~m); 259#L41 assume !(0 == ~n); 227#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 236#multiple_ofENTRY ~n := #in~n;~m := #in~m; 260#L32 assume !(~m < 0); 261#L35 assume !(~n < 0); 258#L38 assume !(0 == ~m); 259#L41 assume 0 == ~n;#res := 1; 250#multiple_ofFINAL assume true; 262#multiple_ofEXIT >#112#return; 224#L44-1 #res := #t~ret8;havoc #t~ret8; 229#multiple_ofFINAL assume true; 264#multiple_ofEXIT >#122#return; 263#L68-1 assume !(0 == #t~ret10);havoc #t~ret10; 232#L71 call #t~ret11 := is_prime_(~n, ~m - 1);< 234#is_prime_ENTRY [2021-12-06 21:36:59,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:36:59,800 INFO L85 PathProgramCache]: Analyzing trace with hash 2218663, now seen corresponding path program 3 times [2021-12-06 21:36:59,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:36:59,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301882278] [2021-12-06 21:36:59,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:36:59,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:36:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:36:59,810 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:36:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:36:59,819 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:36:59,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:36:59,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1840266607, now seen corresponding path program 1 times [2021-12-06 21:36:59,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:36:59,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875973889] [2021-12-06 21:36:59,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:36:59,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:36:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:36:59,830 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:36:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:36:59,842 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:36:59,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:36:59,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1482001207, now seen corresponding path program 1 times [2021-12-06 21:36:59,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:36:59,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616837501] [2021-12-06 21:36:59,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:36:59,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:36:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:36:59,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-06 21:36:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:36:59,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-06 21:36:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:36:59,929 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 21:36:59,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:36:59,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616837501] [2021-12-06 21:36:59,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616837501] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:36:59,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669869690] [2021-12-06 21:36:59,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:36:59,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:36:59,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:36:59,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:36:59,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 21:36:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:36:59,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 21:36:59,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:37:00,093 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 21:37:00,093 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 21:37:00,244 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 21:37:00,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669869690] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 21:37:00,245 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 21:37:00,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2021-12-06 21:37:00,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723965696] [2021-12-06 21:37:00,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 21:37:00,443 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 21:37:00,443 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 21:37:00,443 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 21:37:00,443 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 21:37:00,444 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 21:37:00,444 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:00,444 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 21:37:00,444 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 21:37:00,444 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration3_Loop [2021-12-06 21:37:00,444 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 21:37:00,444 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 21:37:00,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:00,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:00,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:00,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:00,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:00,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:00,510 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 21:37:00,511 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 21:37:00,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:00,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:00,513 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:00,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 21:37:00,515 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:00,515 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:00,526 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:37:00,526 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__#t~ret11=0} Honda state: {is_prime__#t~ret11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:37:00,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-06 21:37:00,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:00,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:00,547 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:00,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 21:37:00,552 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:00,552 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:00,561 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:37:00,561 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__~m=0} Honda state: {is_prime__~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:37:00,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 21:37:00,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:00,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:00,580 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:00,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 21:37:00,581 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:00,581 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:00,589 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:37:00,590 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__~n=0} Honda state: {is_prime__~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:37:00,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 21:37:00,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:00,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:00,610 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:00,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 21:37:00,611 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:00,611 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:00,621 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:37:00,621 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__#t~ret10=0} Honda state: {is_prime__#t~ret10=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:37:00,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 21:37:00,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:00,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:00,642 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:00,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 21:37:00,643 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:00,643 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:00,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-06 21:37:00,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:00,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:00,671 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:00,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 21:37:00,672 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 21:37:00,673 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:00,830 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 21:37:00,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 21:37:00,832 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 21:37:00,833 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 21:37:00,833 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 21:37:00,833 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 21:37:00,833 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 21:37:00,833 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:00,833 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 21:37:00,833 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 21:37:00,833 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration3_Loop [2021-12-06 21:37:00,833 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 21:37:00,833 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 21:37:00,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:00,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:00,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:00,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:00,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:00,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:00,879 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 21:37:00,882 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 21:37:00,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:00,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:00,883 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:00,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 21:37:00,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:00,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:00,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:00,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:00,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:00,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:00,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:00,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:00,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:00,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 21:37:00,915 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:00,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:00,916 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:00,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 21:37:00,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:00,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:00,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:00,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:00,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:00,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:00,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:00,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:00,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:00,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 21:37:00,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:00,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:00,945 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:00,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 21:37:00,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:00,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:00,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:00,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:00,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:00,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:00,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:00,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:00,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:00,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 21:37:00,974 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:00,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:00,974 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:00,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 21:37:00,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:00,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:00,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:00,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:00,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:00,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:00,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:00,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:00,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:01,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-06 21:37:01,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:01,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:01,004 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:01,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 21:37:01,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:01,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:01,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:01,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:01,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:01,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:01,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:01,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:01,017 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 21:37:01,021 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-12-06 21:37:01,021 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-06 21:37:01,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:01,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:01,057 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:01,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 21:37:01,059 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 21:37:01,059 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 21:37:01,059 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 21:37:01,060 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(is_prime__#in~m) = 1*is_prime__#in~m Supporting invariants [] [2021-12-06 21:37:01,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-06 21:37:01,096 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 21:37:01,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:37:01,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 21:37:01,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:37:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:37:01,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-06 21:37:01,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:37:01,260 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 21:37:01,263 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 9 loop predicates [2021-12-06 21:37:01,263 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 54 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 21:37:01,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 21:37:01,586 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 54 transitions. cyclomatic complexity: 16. Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 322 states and 477 transitions. Complement of second has 71 states. [2021-12-06 21:37:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 1 stem states 11 non-accepting loop states 1 accepting loop states [2021-12-06 21:37:01,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 21:37:01,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 77 transitions. [2021-12-06 21:37:01,590 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 77 transitions. Stem has 4 letters. Loop has 24 letters. [2021-12-06 21:37:01,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:37:01,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 77 transitions. Stem has 28 letters. Loop has 24 letters. [2021-12-06 21:37:01,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:37:01,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 77 transitions. Stem has 4 letters. Loop has 48 letters. [2021-12-06 21:37:01,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:37:01,593 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 322 states and 477 transitions. [2021-12-06 21:37:01,601 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 30 [2021-12-06 21:37:01,609 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 322 states to 264 states and 371 transitions. [2021-12-06 21:37:01,609 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 156 [2021-12-06 21:37:01,610 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 159 [2021-12-06 21:37:01,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 264 states and 371 transitions. [2021-12-06 21:37:01,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 21:37:01,610 INFO L681 BuchiCegarLoop]: Abstraction has 264 states and 371 transitions. [2021-12-06 21:37:01,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states and 371 transitions. [2021-12-06 21:37:01,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 163. [2021-12-06 21:37:01,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 118 states have (on average 1.3135593220338984) internal successors, (155), 119 states have internal predecessors, (155), 28 states have call successors, (28), 13 states have call predecessors, (28), 17 states have return successors, (37), 30 states have call predecessors, (37), 23 states have call successors, (37) [2021-12-06 21:37:01,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 220 transitions. [2021-12-06 21:37:01,629 INFO L704 BuchiCegarLoop]: Abstraction has 163 states and 220 transitions. [2021-12-06 21:37:01,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:37:01,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 21:37:01,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-12-06 21:37:01,630 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) [2021-12-06 21:37:01,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:37:01,742 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2021-12-06 21:37:01,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 21:37:01,743 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 171 states and 229 transitions. [2021-12-06 21:37:01,746 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2021-12-06 21:37:01,749 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 171 states to 107 states and 147 transitions. [2021-12-06 21:37:01,750 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 107 [2021-12-06 21:37:01,750 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 107 [2021-12-06 21:37:01,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 107 states and 147 transitions. [2021-12-06 21:37:01,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 21:37:01,752 INFO L681 BuchiCegarLoop]: Abstraction has 107 states and 147 transitions. [2021-12-06 21:37:01,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states and 147 transitions. [2021-12-06 21:37:01,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 93. [2021-12-06 21:37:01,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 71 states have internal predecessors, (93), 18 states have call successors, (18), 8 states have call predecessors, (18), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2021-12-06 21:37:01,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 126 transitions. [2021-12-06 21:37:01,760 INFO L704 BuchiCegarLoop]: Abstraction has 93 states and 126 transitions. [2021-12-06 21:37:01,761 INFO L587 BuchiCegarLoop]: Abstraction has 93 states and 126 transitions. [2021-12-06 21:37:01,761 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 21:37:01,761 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 126 transitions. [2021-12-06 21:37:01,762 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2021-12-06 21:37:01,762 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 21:37:01,762 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 21:37:01,763 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:37:01,763 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 21:37:01,763 INFO L791 eck$LassoCheckResult]: Stem: 1356#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 1335#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 1336#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; 1359#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 1378#is_prime_ENTRY ~n := #in~n;~m := #in~m; 1382#L58 assume !(~n <= 1); 1383#L61 assume !(2 == ~n); 1386#L64 assume ~n > 2; 1381#L65 assume !(~m <= 1); 1360#L68 call #t~ret10 := multiple_of(~n, ~m);< 1388#multiple_ofENTRY ~n := #in~n;~m := #in~m; 1405#L32 assume ~m < 0; 1364#L33 [2021-12-06 21:37:01,763 INFO L793 eck$LassoCheckResult]: Loop: 1364#L33 call #t~ret6 := multiple_of(~n, -~m);< 1346#multiple_ofENTRY ~n := #in~n;~m := #in~m; 1372#L32 assume ~m < 0; 1364#L33 [2021-12-06 21:37:01,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:01,763 INFO L85 PathProgramCache]: Analyzing trace with hash -123397399, now seen corresponding path program 1 times [2021-12-06 21:37:01,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:37:01,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170180225] [2021-12-06 21:37:01,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:37:01,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:37:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:37:01,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:37:01,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:37:01,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170180225] [2021-12-06 21:37:01,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170180225] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:37:01,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:37:01,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:37:01,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496626389] [2021-12-06 21:37:01,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:37:01,789 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 21:37:01,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:01,789 INFO L85 PathProgramCache]: Analyzing trace with hash 132621, now seen corresponding path program 1 times [2021-12-06 21:37:01,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:37:01,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707041151] [2021-12-06 21:37:01,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:37:01,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:37:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:01,793 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:37:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:01,796 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:37:01,835 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 21:37:01,835 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 21:37:01,835 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 21:37:01,835 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 21:37:01,835 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 21:37:01,835 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:01,835 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 21:37:01,835 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 21:37:01,835 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration4_Loop [2021-12-06 21:37:01,835 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 21:37:01,835 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 21:37:01,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:01,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:01,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:01,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:01,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:01,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:01,871 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 21:37:01,871 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 21:37:01,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:01,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:01,872 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:01,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 21:37:01,873 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:01,873 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:01,886 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:37:01,887 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_~n=2, multiple_of_#in~n=2} Honda state: {multiple_of_~n=2, multiple_of_#in~n=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:37:01,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 21:37:01,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:01,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:01,906 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:01,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 21:37:01,907 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:01,907 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:01,915 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:37:01,915 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret6=0} Honda state: {multiple_of_#t~ret6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:37:01,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-06 21:37:01,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:01,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:01,934 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:01,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 21:37:01,935 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:01,935 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:01,943 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:37:01,943 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret8=0} Honda state: {multiple_of_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:37:01,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 21:37:01,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:01,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:01,962 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:01,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 21:37:01,963 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:01,963 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:01,971 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:37:01,971 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret7=0} Honda state: {multiple_of_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:37:01,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 21:37:01,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:01,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:01,990 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:01,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 21:37:01,991 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:01,991 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:02,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 21:37:02,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:02,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:02,023 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:02,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 21:37:02,025 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 21:37:02,025 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:03,681 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 21:37:03,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 21:37:03,684 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 21:37:03,685 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 21:37:03,685 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 21:37:03,685 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 21:37:03,685 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 21:37:03,685 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:03,685 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 21:37:03,685 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 21:37:03,685 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration4_Loop [2021-12-06 21:37:03,685 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 21:37:03,685 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 21:37:03,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:03,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:03,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:03,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:03,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:03,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:03,713 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 21:37:03,713 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 21:37:03,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:03,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:03,714 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:03,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 21:37:03,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:03,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:03,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:03,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:03,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:03,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:03,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:03,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:03,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:03,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-06 21:37:03,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:03,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:03,744 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:03,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 21:37:03,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:03,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:03,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:03,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:03,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:03,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:03,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:03,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:03,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:03,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-06 21:37:03,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:03,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:03,773 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:03,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 21:37:03,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:03,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:03,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:03,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:03,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:03,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:03,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:03,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:03,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:03,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-06 21:37:03,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:03,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:03,802 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:03,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 21:37:03,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:03,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:03,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:03,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:03,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:03,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:03,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:03,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:03,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:03,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 21:37:03,830 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:03,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:03,831 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:03,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 21:37:03,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:03,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:03,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:03,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:03,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:03,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:03,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:03,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:03,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:03,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-06 21:37:03,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:03,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:03,860 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:03,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 21:37:03,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:03,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:03,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:03,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:03,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:03,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:03,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:03,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:03,871 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 21:37:03,873 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-12-06 21:37:03,873 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-06 21:37:03,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:03,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:03,874 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:03,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 21:37:03,876 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 21:37:03,876 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 21:37:03,876 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 21:37:03,876 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_~m) = 1*multiple_of_~m Supporting invariants [] [2021-12-06 21:37:03,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-06 21:37:03,907 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 21:37:03,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:37:03,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 21:37:03,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:37:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:37:03,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 21:37:03,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:37:03,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:37:03,960 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-06 21:37:03,960 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 93 states and 126 transitions. cyclomatic complexity: 36 Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:37:03,994 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 93 states and 126 transitions. cyclomatic complexity: 36. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 191 states and 253 transitions. Complement of second has 18 states. [2021-12-06 21:37:03,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-06 21:37:03,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:37:03,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2021-12-06 21:37:03,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 12 letters. Loop has 3 letters. [2021-12-06 21:37:03,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:37:03,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 15 letters. Loop has 3 letters. [2021-12-06 21:37:03,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:37:03,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 12 letters. Loop has 6 letters. [2021-12-06 21:37:03,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:37:03,996 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 191 states and 253 transitions. [2021-12-06 21:37:03,999 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 42 [2021-12-06 21:37:04,001 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 191 states to 137 states and 182 transitions. [2021-12-06 21:37:04,001 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113 [2021-12-06 21:37:04,001 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 114 [2021-12-06 21:37:04,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 182 transitions. [2021-12-06 21:37:04,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 21:37:04,002 INFO L681 BuchiCegarLoop]: Abstraction has 137 states and 182 transitions. [2021-12-06 21:37:04,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 182 transitions. [2021-12-06 21:37:04,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 108. [2021-12-06 21:37:04,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 84 states have internal predecessors, (106), 23 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2021-12-06 21:37:04,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 146 transitions. [2021-12-06 21:37:04,007 INFO L704 BuchiCegarLoop]: Abstraction has 108 states and 146 transitions. [2021-12-06 21:37:04,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:37:04,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 21:37:04,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:37:04,008 INFO L87 Difference]: Start difference. First operand 108 states and 146 transitions. Second operand has 5 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:37:04,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:37:04,029 INFO L93 Difference]: Finished difference Result 98 states and 128 transitions. [2021-12-06 21:37:04,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:37:04,030 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 128 transitions. [2021-12-06 21:37:04,031 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2021-12-06 21:37:04,033 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 98 states and 128 transitions. [2021-12-06 21:37:04,033 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2021-12-06 21:37:04,034 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2021-12-06 21:37:04,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 128 transitions. [2021-12-06 21:37:04,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 21:37:04,035 INFO L681 BuchiCegarLoop]: Abstraction has 98 states and 128 transitions. [2021-12-06 21:37:04,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 128 transitions. [2021-12-06 21:37:04,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 92. [2021-12-06 21:37:04,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 67 states have (on average 1.328358208955224) internal successors, (89), 70 states have internal predecessors, (89), 17 states have call successors, (17), 8 states have call predecessors, (17), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2021-12-06 21:37:04,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 121 transitions. [2021-12-06 21:37:04,041 INFO L704 BuchiCegarLoop]: Abstraction has 92 states and 121 transitions. [2021-12-06 21:37:04,042 INFO L587 BuchiCegarLoop]: Abstraction has 92 states and 121 transitions. [2021-12-06 21:37:04,042 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 21:37:04,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 121 transitions. [2021-12-06 21:37:04,043 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2021-12-06 21:37:04,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 21:37:04,043 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 21:37:04,043 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:37:04,043 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 21:37:04,044 INFO L791 eck$LassoCheckResult]: Stem: 1932#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 1908#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 1909#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 1937#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 1948#is_prime_ENTRY ~n := #in~n;~m := #in~m; 1969#L58 assume ~n <= 1;#res := 0; 1951#is_prime_FINAL assume true; 1950#is_prime_EXIT >#118#return; 1947#L53-1 is_prime_#res#1 := is_prime_#t~ret9#1;havoc is_prime_#t~ret9#1; 1901#L53-2 main_#t~ret13#1 := is_prime_#res#1;assume { :end_inline_is_prime } true;main_~result~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;main_~f1~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 1902#L85 assume !(main_~f1~0#1 < 1 || main_~f1~0#1 > 46340);main_~f2~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 1906#L91 assume !(main_~f2~0#1 < 1 || main_~f2~0#1 > 46340);main_#t~short17#1 := 1 == main_~result~0#1; 1910#L97 assume main_#t~short17#1; 1911#L97-1 call main_#t~ret16#1 := mult(main_~f1~0#1, main_~f2~0#1);< 1920#multENTRY [2021-12-06 21:37:04,044 INFO L793 eck$LassoCheckResult]: Loop: 1920#multENTRY ~n := #in~n;~m := #in~m; 1930#L18 assume ~m < 0; 1916#L19 call #t~ret4 := mult(~n, -~m);< 1920#multENTRY [2021-12-06 21:37:04,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:04,044 INFO L85 PathProgramCache]: Analyzing trace with hash 636635474, now seen corresponding path program 1 times [2021-12-06 21:37:04,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:37:04,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29668347] [2021-12-06 21:37:04,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:37:04,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:37:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:37:04,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:37:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:37:04,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:37:04,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:37:04,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29668347] [2021-12-06 21:37:04,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29668347] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:37:04,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:37:04,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 21:37:04,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915454421] [2021-12-06 21:37:04,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:37:04,088 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 21:37:04,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:04,088 INFO L85 PathProgramCache]: Analyzing trace with hash 53805, now seen corresponding path program 1 times [2021-12-06 21:37:04,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:37:04,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272790220] [2021-12-06 21:37:04,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:37:04,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:37:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:04,092 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:37:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:04,094 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:37:04,125 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 21:37:04,125 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 21:37:04,125 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 21:37:04,125 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 21:37:04,125 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 21:37:04,125 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:04,125 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 21:37:04,125 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 21:37:04,126 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration5_Loop [2021-12-06 21:37:04,126 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 21:37:04,126 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 21:37:04,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,154 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 21:37:04,154 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 21:37:04,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:04,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:04,155 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:04,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 21:37:04,160 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:04,160 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:04,168 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:37:04,168 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~n=0} Honda state: {mult_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:37:04,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-06 21:37:04,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:04,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:04,188 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:04,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 21:37:04,189 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:04,189 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:04,197 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:37:04,197 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret4=0} Honda state: {mult_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:37:04,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-06 21:37:04,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:04,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:04,217 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:04,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 21:37:04,218 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:04,218 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:04,226 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:37:04,226 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~m=0} Honda state: {mult_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:37:04,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-06 21:37:04,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:04,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:04,245 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:04,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 21:37:04,246 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:04,246 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:04,254 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:37:04,254 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#res=0} Honda state: {mult_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:37:04,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-06 21:37:04,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:04,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:04,273 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:04,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 21:37:04,275 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:04,275 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:04,283 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:37:04,283 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret5=0} Honda state: {mult_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:37:04,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-12-06 21:37:04,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:04,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:04,301 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:04,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 21:37:04,303 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:04,303 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:04,311 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:37:04,311 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#in~n=0} Honda state: {mult_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:37:04,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-12-06 21:37:04,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:04,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:04,330 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:04,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 21:37:04,331 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:04,331 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:04,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-12-06 21:37:04,357 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:04,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:04,358 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:04,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 21:37:04,359 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 21:37:04,359 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:04,392 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 21:37:04,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-06 21:37:04,394 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 21:37:04,394 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 21:37:04,394 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 21:37:04,394 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 21:37:04,394 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 21:37:04,394 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:04,394 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 21:37:04,394 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 21:37:04,395 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration5_Loop [2021-12-06 21:37:04,395 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 21:37:04,395 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 21:37:04,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,416 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 21:37:04,416 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 21:37:04,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:04,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:04,417 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:04,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 21:37:04,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:04,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:04,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:04,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:04,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:04,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:04,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:04,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:04,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:04,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-06 21:37:04,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:04,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:04,447 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:04,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 21:37:04,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:04,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:04,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:04,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:04,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:04,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:04,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:04,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:04,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:04,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-06 21:37:04,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:04,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:04,476 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:04,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 21:37:04,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:04,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:04,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:04,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:04,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:04,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:04,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:04,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:04,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:04,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-06 21:37:04,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:04,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:04,505 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:04,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 21:37:04,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:04,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:04,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:04,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:04,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:04,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:04,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:04,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:04,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:04,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-06 21:37:04,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-06 21:37:04,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:04,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:04,535 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:04,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 21:37:04,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:04,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:04,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:04,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:04,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:04,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:04,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:04,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:04,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:04,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-06 21:37:04,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:04,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:04,565 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:04,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 21:37:04,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:04,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:04,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:04,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:04,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:04,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:04,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:04,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:04,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:04,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-06 21:37:04,594 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:04,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:04,594 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:04,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-06 21:37:04,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:04,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:04,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:04,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:04,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:04,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:04,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:04,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:04,604 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 21:37:04,607 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-12-06 21:37:04,607 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-06 21:37:04,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:04,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:04,607 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:04,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-06 21:37:04,608 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 21:37:04,608 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 21:37:04,609 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 21:37:04,609 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_#in~m) = -1*mult_#in~m Supporting invariants [] [2021-12-06 21:37:04,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-12-06 21:37:04,627 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 21:37:04,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:37:04,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 21:37:04,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:37:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:37:04,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 21:37:04,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:37:04,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:37:04,706 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-12-06 21:37:04,706 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 92 states and 121 transitions. cyclomatic complexity: 32 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:37:04,756 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 92 states and 121 transitions. cyclomatic complexity: 32. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 114 states and 145 transitions. Complement of second has 14 states. [2021-12-06 21:37:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-06 21:37:04,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:37:04,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2021-12-06 21:37:04,757 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 14 letters. Loop has 3 letters. [2021-12-06 21:37:04,757 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:37:04,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 17 letters. Loop has 3 letters. [2021-12-06 21:37:04,758 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:37:04,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 14 letters. Loop has 6 letters. [2021-12-06 21:37:04,758 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:37:04,758 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 145 transitions. [2021-12-06 21:37:04,759 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2021-12-06 21:37:04,761 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 106 states and 137 transitions. [2021-12-06 21:37:04,761 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2021-12-06 21:37:04,761 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 101 [2021-12-06 21:37:04,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 106 states and 137 transitions. [2021-12-06 21:37:04,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 21:37:04,761 INFO L681 BuchiCegarLoop]: Abstraction has 106 states and 137 transitions. [2021-12-06 21:37:04,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states and 137 transitions. [2021-12-06 21:37:04,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 97. [2021-12-06 21:37:04,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 73 states have internal predecessors, (95), 18 states have call successors, (18), 10 states have call predecessors, (18), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2021-12-06 21:37:04,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 128 transitions. [2021-12-06 21:37:04,765 INFO L704 BuchiCegarLoop]: Abstraction has 97 states and 128 transitions. [2021-12-06 21:37:04,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:37:04,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 21:37:04,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:37:04,765 INFO L87 Difference]: Start difference. First operand 97 states and 128 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:37:04,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:37:04,786 INFO L93 Difference]: Finished difference Result 108 states and 139 transitions. [2021-12-06 21:37:04,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 21:37:04,786 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 139 transitions. [2021-12-06 21:37:04,787 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2021-12-06 21:37:04,789 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 101 states and 131 transitions. [2021-12-06 21:37:04,789 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2021-12-06 21:37:04,789 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2021-12-06 21:37:04,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 131 transitions. [2021-12-06 21:37:04,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 21:37:04,789 INFO L681 BuchiCegarLoop]: Abstraction has 101 states and 131 transitions. [2021-12-06 21:37:04,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 131 transitions. [2021-12-06 21:37:04,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 97. [2021-12-06 21:37:04,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 71 states have (on average 1.3098591549295775) internal successors, (93), 73 states have internal predecessors, (93), 18 states have call successors, (18), 10 states have call predecessors, (18), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2021-12-06 21:37:04,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 126 transitions. [2021-12-06 21:37:04,793 INFO L704 BuchiCegarLoop]: Abstraction has 97 states and 126 transitions. [2021-12-06 21:37:04,793 INFO L587 BuchiCegarLoop]: Abstraction has 97 states and 126 transitions. [2021-12-06 21:37:04,793 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-06 21:37:04,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 126 transitions. [2021-12-06 21:37:04,793 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2021-12-06 21:37:04,793 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 21:37:04,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 21:37:04,794 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:37:04,794 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 21:37:04,794 INFO L791 eck$LassoCheckResult]: Stem: 2449#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 2421#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 2422#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; 2453#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 2463#is_prime_ENTRY ~n := #in~n;~m := #in~m; 2470#L58 assume !(~n <= 1); 2468#L61 assume !(2 == ~n); 2469#L64 assume ~n > 2; 2466#L65 assume !(~m <= 1); 2454#L68 call #t~ret10 := multiple_of(~n, ~m);< 2473#multiple_ofENTRY ~n := #in~n;~m := #in~m; 2489#L32 assume !(~m < 0); 2486#L35 assume ~n < 0; 2438#L36 call #t~ret7 := multiple_of(-~n, ~m);< 2455#multiple_ofENTRY [2021-12-06 21:37:04,794 INFO L793 eck$LassoCheckResult]: Loop: 2455#multiple_ofENTRY ~n := #in~n;~m := #in~m; 2498#L32 assume !(~m < 0); 2497#L35 assume ~n < 0; 2437#L36 call #t~ret7 := multiple_of(-~n, ~m);< 2455#multiple_ofENTRY [2021-12-06 21:37:04,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:04,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1674187120, now seen corresponding path program 1 times [2021-12-06 21:37:04,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:37:04,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347588429] [2021-12-06 21:37:04,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:37:04,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:37:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:37:04,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:37:04,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:37:04,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347588429] [2021-12-06 21:37:04,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347588429] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:37:04,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:37:04,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 21:37:04,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721083631] [2021-12-06 21:37:04,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:37:04,822 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 21:37:04,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:04,823 INFO L85 PathProgramCache]: Analyzing trace with hash 929675, now seen corresponding path program 1 times [2021-12-06 21:37:04,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:37:04,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44898620] [2021-12-06 21:37:04,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:37:04,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:37:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:04,825 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:37:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:04,827 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:37:04,859 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 21:37:04,860 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 21:37:04,860 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 21:37:04,860 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 21:37:04,860 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 21:37:04,860 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:04,860 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 21:37:04,860 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 21:37:04,860 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration6_Loop [2021-12-06 21:37:04,860 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 21:37:04,860 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 21:37:04,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,893 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 21:37:04,893 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 21:37:04,893 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:04,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:04,894 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:04,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-06 21:37:04,895 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:04,895 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:04,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-06 21:37:04,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:04,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:04,922 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:04,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-06 21:37:04,923 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 21:37:04,923 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:04,990 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 21:37:04,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-06 21:37:04,992 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 21:37:04,992 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 21:37:04,992 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 21:37:04,992 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 21:37:04,992 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 21:37:04,992 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:04,992 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 21:37:04,992 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 21:37:04,993 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration6_Loop [2021-12-06 21:37:04,993 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 21:37:04,993 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 21:37:04,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:04,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:05,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:05,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:05,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:05,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:05,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:05,024 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 21:37:05,024 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 21:37:05,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:05,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:05,025 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:05,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-06 21:37:05,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:05,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:05,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:05,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:05,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:05,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:05,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:05,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:05,036 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 21:37:05,038 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-12-06 21:37:05,038 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-06 21:37:05,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:05,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:05,039 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:05,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-06 21:37:05,040 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 21:37:05,040 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 21:37:05,040 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 21:37:05,040 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_#in~n) = -1*multiple_of_#in~n Supporting invariants [] [2021-12-06 21:37:05,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-06 21:37:05,072 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 21:37:05,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:37:05,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 21:37:05,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:37:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:37:05,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 21:37:05,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:37:05,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:37:05,138 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-06 21:37:05,138 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 97 states and 126 transitions. cyclomatic complexity: 33 Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:37:05,173 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 97 states and 126 transitions. cyclomatic complexity: 33. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 200 states and 269 transitions. Complement of second has 13 states. [2021-12-06 21:37:05,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-06 21:37:05,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:37:05,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 56 transitions. [2021-12-06 21:37:05,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 56 transitions. Stem has 14 letters. Loop has 4 letters. [2021-12-06 21:37:05,175 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:37:05,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 56 transitions. Stem has 18 letters. Loop has 4 letters. [2021-12-06 21:37:05,175 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:37:05,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 56 transitions. Stem has 14 letters. Loop has 8 letters. [2021-12-06 21:37:05,175 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:37:05,175 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 200 states and 269 transitions. [2021-12-06 21:37:05,178 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 48 [2021-12-06 21:37:05,180 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 200 states to 188 states and 257 transitions. [2021-12-06 21:37:05,180 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 173 [2021-12-06 21:37:05,181 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 175 [2021-12-06 21:37:05,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 257 transitions. [2021-12-06 21:37:05,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 21:37:05,181 INFO L681 BuchiCegarLoop]: Abstraction has 188 states and 257 transitions. [2021-12-06 21:37:05,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 257 transitions. [2021-12-06 21:37:05,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 163. [2021-12-06 21:37:05,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 119 states have (on average 1.3277310924369747) internal successors, (158), 125 states have internal predecessors, (158), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (37), 21 states have call predecessors, (37), 22 states have call successors, (37) [2021-12-06 21:37:05,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 223 transitions. [2021-12-06 21:37:05,187 INFO L704 BuchiCegarLoop]: Abstraction has 163 states and 223 transitions. [2021-12-06 21:37:05,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:37:05,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 21:37:05,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:37:05,187 INFO L87 Difference]: Start difference. First operand 163 states and 223 transitions. Second operand has 7 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:37:05,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:37:05,235 INFO L93 Difference]: Finished difference Result 161 states and 218 transitions. [2021-12-06 21:37:05,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 21:37:05,235 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 161 states and 218 transitions. [2021-12-06 21:37:05,237 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2021-12-06 21:37:05,239 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 161 states to 161 states and 218 transitions. [2021-12-06 21:37:05,239 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 154 [2021-12-06 21:37:05,239 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 154 [2021-12-06 21:37:05,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 161 states and 218 transitions. [2021-12-06 21:37:05,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 21:37:05,240 INFO L681 BuchiCegarLoop]: Abstraction has 161 states and 218 transitions. [2021-12-06 21:37:05,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states and 218 transitions. [2021-12-06 21:37:05,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-06 21:37:05,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2021-12-06 21:37:05,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 119 states have (on average 1.3025210084033614) internal successors, (155), 123 states have internal predecessors, (155), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (37), 21 states have call predecessors, (37), 22 states have call successors, (37) [2021-12-06 21:37:05,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 218 transitions. [2021-12-06 21:37:05,246 INFO L704 BuchiCegarLoop]: Abstraction has 161 states and 218 transitions. [2021-12-06 21:37:05,246 INFO L587 BuchiCegarLoop]: Abstraction has 161 states and 218 transitions. [2021-12-06 21:37:05,246 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-06 21:37:05,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 161 states and 218 transitions. [2021-12-06 21:37:05,248 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2021-12-06 21:37:05,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 21:37:05,248 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 21:37:05,248 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:37:05,248 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-06 21:37:05,249 INFO L791 eck$LassoCheckResult]: Stem: 3171#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 3138#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 3139#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 3175#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 3191#is_prime_ENTRY ~n := #in~n;~m := #in~m; 3207#L58 assume !(~n <= 1); 3204#L61 assume !(2 == ~n); 3205#L64 assume ~n > 2; 3201#L65 assume !(~m <= 1); 3202#L68 call #t~ret10 := multiple_of(~n, ~m);< 3231#multiple_ofENTRY ~n := #in~n;~m := #in~m; 3255#L32 assume !(~m < 0); 3251#L35 assume !(~n < 0); 3249#L38 assume !(0 == ~m); 3248#L41 assume !(0 == ~n); 3159#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 3200#multiple_ofENTRY [2021-12-06 21:37:05,249 INFO L793 eck$LassoCheckResult]: Loop: 3200#multiple_ofENTRY ~n := #in~n;~m := #in~m; 3198#L32 assume !(~m < 0); 3195#L35 assume !(~n < 0); 3196#L38 assume !(0 == ~m); 3254#L41 assume !(0 == ~n); 3161#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 3200#multiple_ofENTRY [2021-12-06 21:37:05,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:05,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1718912949, now seen corresponding path program 1 times [2021-12-06 21:37:05,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:37:05,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797762734] [2021-12-06 21:37:05,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:37:05,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:37:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:05,257 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:37:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:05,266 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:37:05,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:05,267 INFO L85 PathProgramCache]: Analyzing trace with hash 893418406, now seen corresponding path program 1 times [2021-12-06 21:37:05,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:37:05,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641659538] [2021-12-06 21:37:05,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:37:05,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:37:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:05,270 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:37:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:05,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-06 21:37:05,273 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:37:05,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:05,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1893667952, now seen corresponding path program 2 times [2021-12-06 21:37:05,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:37:05,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895305630] [2021-12-06 21:37:05,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:37:05,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:37:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:05,281 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:37:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:05,289 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:37:05,330 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 21:37:05,330 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 21:37:05,330 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 21:37:05,330 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 21:37:05,330 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 21:37:05,330 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:05,330 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 21:37:05,331 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 21:37:05,331 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration7_Loop [2021-12-06 21:37:05,331 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 21:37:05,331 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 21:37:05,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:05,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:05,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:05,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:05,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:05,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:05,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:05,372 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 21:37:05,372 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 21:37:05,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:05,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:05,373 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:05,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-06 21:37:05,374 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:05,374 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:05,382 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:37:05,382 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#res=0} Honda state: {multiple_of_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:37:05,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-06 21:37:05,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:05,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:05,401 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:05,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-06 21:37:05,402 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:05,402 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:05,410 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:37:05,411 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_~m=0} Honda state: {multiple_of_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:37:05,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-06 21:37:05,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:05,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:05,429 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:05,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-06 21:37:05,430 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:05,430 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:05,438 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:37:05,438 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_~n=0} Honda state: {multiple_of_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:37:05,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-06 21:37:05,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:05,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:05,458 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:05,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-06 21:37:05,459 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:05,459 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:05,467 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:37:05,467 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret7=0} Honda state: {multiple_of_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:37:05,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-06 21:37:05,485 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:05,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:05,486 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:05,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-06 21:37:05,487 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:05,487 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:05,497 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:37:05,497 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret8=0} Honda state: {multiple_of_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:37:05,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-06 21:37:05,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:05,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:05,524 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:05,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-06 21:37:05,525 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:05,525 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:05,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-06 21:37:05,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:05,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:05,553 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:05,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-06 21:37:05,554 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 21:37:05,554 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:05,696 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 21:37:05,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-06 21:37:05,699 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 21:37:05,699 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 21:37:05,699 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 21:37:05,699 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 21:37:05,699 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 21:37:05,699 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:05,699 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 21:37:05,699 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 21:37:05,699 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration7_Loop [2021-12-06 21:37:05,699 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 21:37:05,699 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 21:37:05,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:05,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:05,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:05,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:05,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:05,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:05,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:05,746 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 21:37:05,746 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 21:37:05,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:05,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:05,747 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:05,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-06 21:37:05,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:05,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:05,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:05,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:05,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:05,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:05,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:05,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:05,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:05,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-06 21:37:05,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:05,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:05,775 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:05,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-06 21:37:05,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:05,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:05,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:05,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:05,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:05,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:05,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:05,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:05,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:05,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-06 21:37:05,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:05,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:05,803 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:05,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-06 21:37:05,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:05,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:05,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:05,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:05,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:05,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:05,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:05,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:05,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:05,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-06 21:37:05,831 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:05,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:05,831 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:05,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-06 21:37:05,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:05,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:05,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:05,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:05,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:05,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:05,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:05,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:05,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:05,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-12-06 21:37:05,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:05,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:05,860 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:05,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-06 21:37:05,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:05,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:05,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:05,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:05,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:05,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:05,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:05,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:05,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:05,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-06 21:37:05,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:05,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:05,893 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:05,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-06 21:37:05,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:05,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:05,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:05,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:05,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:05,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:05,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:05,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:05,904 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 21:37:05,906 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-06 21:37:05,906 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-06 21:37:05,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:05,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:05,907 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:05,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-06 21:37:05,907 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 21:37:05,907 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 21:37:05,908 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 21:37:05,908 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_#in~n) = 1*multiple_of_#in~n Supporting invariants [] [2021-12-06 21:37:05,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-12-06 21:37:05,926 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 21:37:05,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:37:05,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 21:37:05,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:37:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:37:05,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 21:37:05,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:37:06,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:37:06,013 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2021-12-06 21:37:06,013 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 161 states and 218 transitions. cyclomatic complexity: 64 Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:37:06,077 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 161 states and 218 transitions. cyclomatic complexity: 64. Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 214 states and 288 transitions. Complement of second has 25 states. [2021-12-06 21:37:06,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2021-12-06 21:37:06,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:37:06,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 43 transitions. [2021-12-06 21:37:06,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 43 transitions. Stem has 16 letters. Loop has 6 letters. [2021-12-06 21:37:06,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:37:06,079 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 43 transitions. Stem has 22 letters. Loop has 6 letters. [2021-12-06 21:37:06,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:37:06,079 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 43 transitions. Stem has 16 letters. Loop has 12 letters. [2021-12-06 21:37:06,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:37:06,079 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 214 states and 288 transitions. [2021-12-06 21:37:06,081 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 48 [2021-12-06 21:37:06,084 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 214 states to 202 states and 274 transitions. [2021-12-06 21:37:06,084 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2021-12-06 21:37:06,084 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 181 [2021-12-06 21:37:06,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 202 states and 274 transitions. [2021-12-06 21:37:06,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 21:37:06,084 INFO L681 BuchiCegarLoop]: Abstraction has 202 states and 274 transitions. [2021-12-06 21:37:06,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states and 274 transitions. [2021-12-06 21:37:06,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 177. [2021-12-06 21:37:06,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 132 states have (on average 1.2954545454545454) internal successors, (171), 137 states have internal predecessors, (171), 28 states have call successors, (28), 18 states have call predecessors, (28), 17 states have return successors, (41), 21 states have call predecessors, (41), 23 states have call successors, (41) [2021-12-06 21:37:06,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 240 transitions. [2021-12-06 21:37:06,089 INFO L704 BuchiCegarLoop]: Abstraction has 177 states and 240 transitions. [2021-12-06 21:37:06,089 INFO L587 BuchiCegarLoop]: Abstraction has 177 states and 240 transitions. [2021-12-06 21:37:06,089 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-06 21:37:06,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 177 states and 240 transitions. [2021-12-06 21:37:06,090 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2021-12-06 21:37:06,091 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 21:37:06,091 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 21:37:06,091 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:37:06,091 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-06 21:37:06,091 INFO L791 eck$LassoCheckResult]: Stem: 3665#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 3629#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 3630#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 3671#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 3691#is_prime_ENTRY ~n := #in~n;~m := #in~m; 3709#L58 assume !(~n <= 1); 3708#L61 assume 2 == ~n;#res := 1; 3706#is_prime_FINAL assume true; 3697#is_prime_EXIT >#118#return; 3689#L53-1 is_prime_#res#1 := is_prime_#t~ret9#1;havoc is_prime_#t~ret9#1; 3620#L53-2 main_#t~ret13#1 := is_prime_#res#1;assume { :end_inline_is_prime } true;main_~result~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;main_~f1~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 3621#L85 assume !(main_~f1~0#1 < 1 || main_~f1~0#1 > 46340);main_~f2~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 3625#L91 assume !(main_~f2~0#1 < 1 || main_~f2~0#1 > 46340);main_#t~short17#1 := 1 == main_~result~0#1; 3631#L97 assume main_#t~short17#1; 3632#L97-1 call main_#t~ret16#1 := mult(main_~f1~0#1, main_~f2~0#1);< 3658#multENTRY ~n := #in~n;~m := #in~m; 3659#L18 assume !(~m < 0); 3660#L21 [2021-12-06 21:37:06,091 INFO L793 eck$LassoCheckResult]: Loop: 3660#L21 assume !(0 == ~m); 3637#L24 assume !(1 == ~m); 3639#L27 call #t~ret5 := mult(~n, ~m - 1);< 3648#multENTRY ~n := #in~n;~m := #in~m; 3670#L18 assume !(~m < 0); 3660#L21 [2021-12-06 21:37:06,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:06,091 INFO L85 PathProgramCache]: Analyzing trace with hash 2081524284, now seen corresponding path program 1 times [2021-12-06 21:37:06,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:37:06,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079089079] [2021-12-06 21:37:06,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:37:06,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:37:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:06,097 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:37:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:06,103 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:37:06,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:06,104 INFO L85 PathProgramCache]: Analyzing trace with hash 61272212, now seen corresponding path program 1 times [2021-12-06 21:37:06,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:37:06,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356053955] [2021-12-06 21:37:06,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:37:06,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:37:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:06,112 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:37:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:06,115 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:37:06,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:06,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1269404473, now seen corresponding path program 1 times [2021-12-06 21:37:06,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:37:06,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022331154] [2021-12-06 21:37:06,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:37:06,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:37:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:06,123 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:37:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:06,133 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:37:06,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-06 21:37:06,178 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 21:37:06,178 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 21:37:06,178 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 21:37:06,178 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 21:37:06,178 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 21:37:06,178 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:06,178 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 21:37:06,178 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 21:37:06,178 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration8_Loop [2021-12-06 21:37:06,178 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 21:37:06,178 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 21:37:06,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:06,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:06,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:06,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:06,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:06,211 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 21:37:06,211 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 21:37:06,211 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:06,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:06,211 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:06,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-06 21:37:06,212 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:06,212 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:06,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-12-06 21:37:06,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:06,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:06,244 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:06,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-06 21:37:06,245 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 21:37:06,245 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:07,424 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 21:37:07,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-12-06 21:37:07,426 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 21:37:07,426 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 21:37:07,426 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 21:37:07,426 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 21:37:07,426 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 21:37:07,426 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:07,426 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 21:37:07,426 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 21:37:07,426 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration8_Loop [2021-12-06 21:37:07,426 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 21:37:07,426 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 21:37:07,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:07,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:07,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:07,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:07,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:07,457 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 21:37:07,457 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 21:37:07,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:07,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:07,457 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:07,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-06 21:37:07,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:07,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:07,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:07,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:07,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:07,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:07,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:07,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:07,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:07,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-12-06 21:37:07,485 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:07,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:07,486 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:07,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-06 21:37:07,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:07,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:07,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:07,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:07,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:07,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:07,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:07,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:07,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:07,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-12-06 21:37:07,513 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:07,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:07,514 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:07,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-06 21:37:07,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:07,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:07,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:07,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:07,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:07,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:07,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:07,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:07,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:07,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-12-06 21:37:07,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:07,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:07,542 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:07,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-06 21:37:07,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:07,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:07,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:07,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:07,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:07,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:07,551 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:07,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:07,552 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 21:37:07,554 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-12-06 21:37:07,554 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-06 21:37:07,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:07,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:07,555 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:07,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-06 21:37:07,556 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 21:37:07,556 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 21:37:07,556 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 21:37:07,556 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_~m) = 1*mult_~m Supporting invariants [] [2021-12-06 21:37:07,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-12-06 21:37:07,574 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 21:37:07,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:37:07,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 21:37:07,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:37:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:37:07,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 21:37:07,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:37:07,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:37:07,702 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2021-12-06 21:37:07,702 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 177 states and 240 transitions. cyclomatic complexity: 71 Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:37:07,813 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 177 states and 240 transitions. cyclomatic complexity: 71. Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 201 states and 267 transitions. Complement of second has 25 states. [2021-12-06 21:37:07,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2021-12-06 21:37:07,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:37:07,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 52 transitions. [2021-12-06 21:37:07,814 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 17 letters. Loop has 5 letters. [2021-12-06 21:37:07,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:37:07,814 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 22 letters. Loop has 5 letters. [2021-12-06 21:37:07,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:37:07,814 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 17 letters. Loop has 10 letters. [2021-12-06 21:37:07,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:37:07,815 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 201 states and 267 transitions. [2021-12-06 21:37:07,817 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2021-12-06 21:37:07,818 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 201 states to 200 states and 266 transitions. [2021-12-06 21:37:07,819 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 173 [2021-12-06 21:37:07,819 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 176 [2021-12-06 21:37:07,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 200 states and 266 transitions. [2021-12-06 21:37:07,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 21:37:07,819 INFO L681 BuchiCegarLoop]: Abstraction has 200 states and 266 transitions. [2021-12-06 21:37:07,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states and 266 transitions. [2021-12-06 21:37:07,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 187. [2021-12-06 21:37:07,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 140 states have (on average 1.292857142857143) internal successors, (181), 145 states have internal predecessors, (181), 30 states have call successors, (30), 20 states have call predecessors, (30), 17 states have return successors, (41), 21 states have call predecessors, (41), 23 states have call successors, (41) [2021-12-06 21:37:07,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 252 transitions. [2021-12-06 21:37:07,824 INFO L704 BuchiCegarLoop]: Abstraction has 187 states and 252 transitions. [2021-12-06 21:37:07,824 INFO L587 BuchiCegarLoop]: Abstraction has 187 states and 252 transitions. [2021-12-06 21:37:07,824 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-06 21:37:07,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 187 states and 252 transitions. [2021-12-06 21:37:07,825 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2021-12-06 21:37:07,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 21:37:07,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 21:37:07,826 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:37:07,826 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 21:37:07,826 INFO L791 eck$LassoCheckResult]: Stem: 4164#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 4129#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 4130#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; 4172#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 4197#is_prime_ENTRY ~n := #in~n;~m := #in~m; 4210#L58 assume !(~n <= 1); 4208#L61 assume 2 == ~n;#res := 1; 4204#is_prime_FINAL assume true; 4201#is_prime_EXIT >#118#return; 4191#L53-1 is_prime_#res#1 := is_prime_#t~ret9#1;havoc is_prime_#t~ret9#1; 4120#L53-2 main_#t~ret13#1 := is_prime_#res#1;assume { :end_inline_is_prime } true;main_~result~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;main_~f1~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 4121#L85 assume !(main_~f1~0#1 < 1 || main_~f1~0#1 > 46340);main_~f2~0#1 := main_#t~nondet15#1;havoc main_#t~nondet15#1; 4125#L91 assume !(main_~f2~0#1 < 1 || main_~f2~0#1 > 46340);main_#t~short17#1 := 1 == main_~result~0#1; 4131#L97 assume main_#t~short17#1; 4132#L97-1 call main_#t~ret16#1 := mult(main_~f1~0#1, main_~f2~0#1);< 4158#multENTRY ~n := #in~n;~m := #in~m; 4159#L18 assume !(~m < 0); 4160#L21 assume !(0 == ~m); 4138#L24 assume !(1 == ~m); 4140#L27 call #t~ret5 := mult(~n, ~m - 1);< 4162#multENTRY ~n := #in~n;~m := #in~m; 4300#L18 assume ~m < 0; 4145#L19 [2021-12-06 21:37:07,826 INFO L793 eck$LassoCheckResult]: Loop: 4145#L19 call #t~ret4 := mult(~n, -~m);< 4147#multENTRY ~n := #in~n;~m := #in~m; 4171#L18 assume ~m < 0; 4145#L19 [2021-12-06 21:37:07,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:07,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1269404470, now seen corresponding path program 1 times [2021-12-06 21:37:07,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:37:07,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072566296] [2021-12-06 21:37:07,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:37:07,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:37:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:37:07,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:37:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:37:07,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:37:07,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:37:07,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072566296] [2021-12-06 21:37:07,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072566296] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:37:07,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:37:07,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:37:07,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378301128] [2021-12-06 21:37:07,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:37:07,850 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 21:37:07,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:07,850 INFO L85 PathProgramCache]: Analyzing trace with hash 139155, now seen corresponding path program 2 times [2021-12-06 21:37:07,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:37:07,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810619047] [2021-12-06 21:37:07,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:37:07,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:37:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:07,852 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:37:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:07,854 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:37:07,892 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 21:37:07,892 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 21:37:07,892 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 21:37:07,892 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 21:37:07,892 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 21:37:07,892 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:07,892 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 21:37:07,892 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 21:37:07,892 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration9_Loop [2021-12-06 21:37:07,892 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 21:37:07,892 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 21:37:07,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:07,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:07,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:07,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:07,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:07,928 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 21:37:07,928 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 21:37:07,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:07,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:07,930 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:07,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-06 21:37:07,931 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:07,931 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:07,939 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:37:07,939 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret5=0} Honda state: {mult_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:37:07,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-12-06 21:37:07,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-12-06 21:37:07,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:07,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:07,959 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:07,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-06 21:37:07,960 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:07,960 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:07,969 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:37:07,970 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret4=0} Honda state: {mult_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:37:07,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-12-06 21:37:07,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:07,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:07,999 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:08,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-06 21:37:08,001 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:08,001 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:08,014 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 21:37:08,014 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~n=-8, mult_#in~n=-8} Honda state: {mult_~n=-8, mult_#in~n=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 21:37:08,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-12-06 21:37:08,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:08,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:08,033 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:08,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-06 21:37:08,034 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 21:37:08,034 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:08,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-12-06 21:37:08,072 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:08,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:08,072 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:08,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-06 21:37:08,074 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 21:37:08,074 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 21:37:09,290 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 21:37:09,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-12-06 21:37:09,292 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 21:37:09,292 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 21:37:09,292 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 21:37:09,292 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 21:37:09,292 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 21:37:09,292 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:09,292 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 21:37:09,293 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 21:37:09,293 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration9_Loop [2021-12-06 21:37:09,293 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 21:37:09,293 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 21:37:09,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:09,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:09,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:09,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:09,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 21:37:09,317 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 21:37:09,317 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 21:37:09,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:09,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:09,318 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:09,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-06 21:37:09,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:09,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:09,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:09,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:09,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:09,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:09,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:09,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:09,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:09,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-12-06 21:37:09,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:09,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:09,345 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:09,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-06 21:37:09,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:09,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:09,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:09,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:09,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:09,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:09,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:09,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:09,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:09,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-12-06 21:37:09,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:09,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:09,373 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:09,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-06 21:37:09,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:09,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:09,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:09,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:09,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:09,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:09,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:09,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:09,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 21:37:09,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-12-06 21:37:09,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:09,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:09,403 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:09,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-06 21:37:09,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 21:37:09,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 21:37:09,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 21:37:09,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 21:37:09,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 21:37:09,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 21:37:09,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 21:37:09,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 21:37:09,414 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 21:37:09,415 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-12-06 21:37:09,415 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-06 21:37:09,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 21:37:09,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:09,416 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 21:37:09,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-06 21:37:09,417 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 21:37:09,417 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 21:37:09,417 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 21:37:09,417 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_~m) = 1*mult_~m Supporting invariants [] [2021-12-06 21:37:09,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-12-06 21:37:09,435 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 21:37:09,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:37:09,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 21:37:09,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:37:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:37:09,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 21:37:09,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:37:09,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:37:09,509 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-12-06 21:37:09,509 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 187 states and 252 transitions. cyclomatic complexity: 74 Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:37:09,547 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 187 states and 252 transitions. cyclomatic complexity: 74. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 228 states and 298 transitions. Complement of second has 11 states. [2021-12-06 21:37:09,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-06 21:37:09,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:37:09,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 54 transitions. [2021-12-06 21:37:09,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 22 letters. Loop has 3 letters. [2021-12-06 21:37:09,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:37:09,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 25 letters. Loop has 3 letters. [2021-12-06 21:37:09,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:37:09,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 22 letters. Loop has 6 letters. [2021-12-06 21:37:09,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 21:37:09,549 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 228 states and 298 transitions. [2021-12-06 21:37:09,552 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2021-12-06 21:37:09,553 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 228 states to 218 states and 288 transitions. [2021-12-06 21:37:09,554 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 184 [2021-12-06 21:37:09,554 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 186 [2021-12-06 21:37:09,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 218 states and 288 transitions. [2021-12-06 21:37:09,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 21:37:09,554 INFO L681 BuchiCegarLoop]: Abstraction has 218 states and 288 transitions. [2021-12-06 21:37:09,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states and 288 transitions. [2021-12-06 21:37:09,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 205. [2021-12-06 21:37:09,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 154 states have (on average 1.2727272727272727) internal successors, (196), 158 states have internal predecessors, (196), 34 states have call successors, (37), 25 states have call predecessors, (37), 17 states have return successors, (41), 21 states have call predecessors, (41), 23 states have call successors, (41) [2021-12-06 21:37:09,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 274 transitions. [2021-12-06 21:37:09,560 INFO L704 BuchiCegarLoop]: Abstraction has 205 states and 274 transitions. [2021-12-06 21:37:09,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:37:09,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 21:37:09,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:37:09,561 INFO L87 Difference]: Start difference. First operand 205 states and 274 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 21:37:09,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:37:09,578 INFO L93 Difference]: Finished difference Result 201 states and 265 transitions. [2021-12-06 21:37:09,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 21:37:09,579 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 201 states and 265 transitions. [2021-12-06 21:37:09,581 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2021-12-06 21:37:09,582 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 201 states to 145 states and 177 transitions. [2021-12-06 21:37:09,582 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2021-12-06 21:37:09,582 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2021-12-06 21:37:09,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 177 transitions. [2021-12-06 21:37:09,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 21:37:09,582 INFO L681 BuchiCegarLoop]: Abstraction has 145 states and 177 transitions. [2021-12-06 21:37:09,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 177 transitions. [2021-12-06 21:37:09,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 125. [2021-12-06 21:37:09,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 95 states have (on average 1.1368421052631579) internal successors, (108), 100 states have internal predecessors, (108), 18 states have call successors, (18), 13 states have call predecessors, (18), 12 states have return successors, (28), 11 states have call predecessors, (28), 14 states have call successors, (28) [2021-12-06 21:37:09,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 154 transitions. [2021-12-06 21:37:09,586 INFO L704 BuchiCegarLoop]: Abstraction has 125 states and 154 transitions. [2021-12-06 21:37:09,586 INFO L587 BuchiCegarLoop]: Abstraction has 125 states and 154 transitions. [2021-12-06 21:37:09,586 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-06 21:37:09,586 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 154 transitions. [2021-12-06 21:37:09,586 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2021-12-06 21:37:09,586 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 21:37:09,587 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 21:37:09,587 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:37:09,587 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-12-06 21:37:09,587 INFO L791 eck$LassoCheckResult]: Stem: 5057#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 5058#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 5068#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; 5061#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 5103#is_prime_ENTRY ~n := #in~n;~m := #in~m; 5120#L58 assume !(~n <= 1); 5119#L61 assume !(2 == ~n); 5118#L64 assume ~n > 2; 5117#L65 assume !(~m <= 1); 5083#L68 call #t~ret10 := multiple_of(~n, ~m);< 5116#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5115#L32 assume !(~m < 0); 5114#L35 assume !(~n < 0); 5113#L38 assume !(0 == ~m); 5112#L41 assume !(0 == ~n); 5066#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5107#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5108#L32 assume !(~m < 0); 5142#L35 assume ~n < 0; 5074#L36 call #t~ret7 := multiple_of(-~n, ~m);< 5110#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5111#L32 assume !(~m < 0); 5133#L35 assume !(~n < 0); 5132#L38 assume !(0 == ~m); 5131#L41 assume !(0 == ~n); 5096#L44 [2021-12-06 21:37:09,588 INFO L793 eck$LassoCheckResult]: Loop: 5096#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5137#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5136#L32 assume !(~m < 0); 5134#L35 assume ~n < 0; 5070#L36 call #t~ret7 := multiple_of(-~n, ~m);< 5071#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5141#L32 assume !(~m < 0); 5138#L35 assume !(~n < 0); 5139#L38 assume !(0 == ~m); 5129#L41 assume !(0 == ~n); 5096#L44 [2021-12-06 21:37:09,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:09,588 INFO L85 PathProgramCache]: Analyzing trace with hash -155061355, now seen corresponding path program 1 times [2021-12-06 21:37:09,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:37:09,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782639716] [2021-12-06 21:37:09,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:37:09,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:37:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:37:09,629 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:37:09,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:37:09,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782639716] [2021-12-06 21:37:09,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782639716] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:37:09,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237996041] [2021-12-06 21:37:09,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:37:09,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:37:09,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:37:09,631 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:37:09,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Waiting until timeout for monitored process [2021-12-06 21:37:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:37:09,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 21:37:09,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:37:09,687 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:37:09,688 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 21:37:09,748 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:37:09,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237996041] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 21:37:09,748 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 21:37:09,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2021-12-06 21:37:09,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083859218] [2021-12-06 21:37:09,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 21:37:09,749 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 21:37:09,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:09,749 INFO L85 PathProgramCache]: Analyzing trace with hash -2044787022, now seen corresponding path program 1 times [2021-12-06 21:37:09,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:37:09,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605128002] [2021-12-06 21:37:09,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:37:09,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:37:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:09,752 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:37:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:09,755 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:37:09,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-12-06 21:37:09,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:37:09,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-06 21:37:09,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-12-06 21:37:09,910 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) [2021-12-06 21:37:09,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:37:09,989 INFO L93 Difference]: Finished difference Result 153 states and 195 transitions. [2021-12-06 21:37:09,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 21:37:09,990 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 195 transitions. [2021-12-06 21:37:09,992 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2021-12-06 21:37:09,994 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 151 states and 193 transitions. [2021-12-06 21:37:09,994 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2021-12-06 21:37:09,995 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2021-12-06 21:37:09,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 151 states and 193 transitions. [2021-12-06 21:37:09,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 21:37:09,995 INFO L681 BuchiCegarLoop]: Abstraction has 151 states and 193 transitions. [2021-12-06 21:37:09,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states and 193 transitions. [2021-12-06 21:37:09,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 147. [2021-12-06 21:37:09,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 112 states have (on average 1.1071428571428572) internal successors, (124), 118 states have internal predecessors, (124), 20 states have call successors, (20), 15 states have call predecessors, (20), 15 states have return successors, (36), 13 states have call predecessors, (36), 17 states have call successors, (36) [2021-12-06 21:37:10,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 180 transitions. [2021-12-06 21:37:10,000 INFO L704 BuchiCegarLoop]: Abstraction has 147 states and 180 transitions. [2021-12-06 21:37:10,000 INFO L587 BuchiCegarLoop]: Abstraction has 147 states and 180 transitions. [2021-12-06 21:37:10,000 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-06 21:37:10,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 147 states and 180 transitions. [2021-12-06 21:37:10,001 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2021-12-06 21:37:10,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 21:37:10,001 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 21:37:10,001 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:37:10,002 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-12-06 21:37:10,002 INFO L791 eck$LassoCheckResult]: Stem: 5507#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 5508#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1, main_#t~short17#1, main_~n~0#1, main_~result~0#1, main_~f1~0#1, main_~f2~0#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 5519#L78 assume !(main_~n~0#1 < 1 || main_~n~0#1 > 46340);assume { :begin_inline_is_prime } true;is_prime_#in~n#1 := main_~n~0#1;havoc is_prime_#res#1;havoc is_prime_#t~ret9#1, is_prime_~n#1;is_prime_~n#1 := is_prime_#in~n#1; 5510#L53 call is_prime_#t~ret9#1 := is_prime_(is_prime_~n#1, is_prime_~n#1 - 1);< 5542#is_prime_ENTRY ~n := #in~n;~m := #in~m; 5564#L58 assume !(~n <= 1); 5563#L61 assume !(2 == ~n); 5562#L64 assume ~n > 2; 5561#L65 assume !(~m <= 1); 5555#L68 call #t~ret10 := multiple_of(~n, ~m);< 5560#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5559#L32 assume !(~m < 0); 5558#L35 assume !(~n < 0); 5557#L38 assume !(0 == ~m); 5556#L41 assume !(0 == ~n); 5553#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5552#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5554#L32 assume !(~m < 0); 5589#L35 assume !(~n < 0); 5587#L38 assume !(0 == ~m); 5585#L41 assume !(0 == ~n); 5516#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5532#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5533#L32 assume !(~m < 0); 5590#L35 assume ~n < 0; 5502#L36 call #t~ret7 := multiple_of(-~n, ~m);< 5546#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5547#L32 assume !(~m < 0); 5622#L35 assume !(~n < 0); 5621#L38 assume !(0 == ~m); 5620#L41 assume !(0 == ~n); 5538#L44 [2021-12-06 21:37:10,002 INFO L793 eck$LassoCheckResult]: Loop: 5538#L44 call #t~ret8 := multiple_of(~n - ~m, ~m);< 5539#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5617#L32 assume !(~m < 0); 5614#L35 assume ~n < 0; 5504#L36 call #t~ret7 := multiple_of(-~n, ~m);< 5520#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5616#L32 assume !(~m < 0); 5613#L35 assume !(~n < 0); 5612#L38 assume !(0 == ~m); 5611#L41 assume !(0 == ~n); 5538#L44 [2021-12-06 21:37:10,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:10,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1134874352, now seen corresponding path program 2 times [2021-12-06 21:37:10,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:37:10,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517813021] [2021-12-06 21:37:10,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:37:10,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:37:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:10,011 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:37:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:10,021 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:37:10,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:10,021 INFO L85 PathProgramCache]: Analyzing trace with hash -2044787022, now seen corresponding path program 2 times [2021-12-06 21:37:10,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:37:10,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462225651] [2021-12-06 21:37:10,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:37:10,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:37:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:10,025 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:37:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:10,028 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:37:10,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:37:10,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1280798977, now seen corresponding path program 3 times [2021-12-06 21:37:10,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:37:10,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612348412] [2021-12-06 21:37:10,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:37:10,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:37:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:10,039 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 21:37:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 21:37:10,053 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 21:37:10,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 09:37:10 BoogieIcfgContainer [2021-12-06 21:37:10,680 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 21:37:10,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 21:37:10,681 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 21:37:10,681 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 21:37:10,681 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:36:59" (3/4) ... [2021-12-06 21:37:10,683 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-06 21:37:10,705 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 21:37:10,705 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 21:37:10,706 INFO L158 Benchmark]: Toolchain (without parser) took 11924.23ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 79.4MB in the beginning and 79.7MB in the end (delta: -292.7kB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2021-12-06 21:37:10,706 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 75.5MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 21:37:10,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.67ms. Allocated memory is still 109.1MB. Free memory was 79.2MB in the beginning and 86.4MB in the end (delta: -7.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 21:37:10,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.79ms. Allocated memory is still 109.1MB. Free memory was 86.4MB in the beginning and 85.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 21:37:10,707 INFO L158 Benchmark]: Boogie Preprocessor took 15.33ms. Allocated memory is still 109.1MB. Free memory was 85.0MB in the beginning and 84.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 21:37:10,707 INFO L158 Benchmark]: RCFGBuilder took 220.39ms. Allocated memory is still 109.1MB. Free memory was 84.0MB in the beginning and 72.8MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 21:37:10,707 INFO L158 Benchmark]: BuchiAutomizer took 11455.85ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 72.4MB in the beginning and 81.7MB in the end (delta: -9.3MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2021-12-06 21:37:10,708 INFO L158 Benchmark]: Witness Printer took 24.91ms. Allocated memory is still 132.1MB. Free memory was 81.7MB in the beginning and 79.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 21:37:10,709 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 75.5MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 179.67ms. Allocated memory is still 109.1MB. Free memory was 79.2MB in the beginning and 86.4MB in the end (delta: -7.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.79ms. Allocated memory is still 109.1MB. Free memory was 86.4MB in the beginning and 85.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.33ms. Allocated memory is still 109.1MB. Free memory was 85.0MB in the beginning and 84.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 220.39ms. Allocated memory is still 109.1MB. Free memory was 84.0MB in the beginning and 72.8MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 11455.85ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 72.4MB in the beginning and 81.7MB in the end (delta: -9.3MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. * Witness Printer took 24.91ms. Allocated memory is still 132.1MB. Free memory was 81.7MB in the beginning and 79.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 15 terminating modules (8 trivial, 7 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function \old(m) and consists of 13 locations. One deterministic module has affine ranking function m and consists of 5 locations. One deterministic module has affine ranking function -1 * \old(m) and consists of 5 locations. One deterministic module has affine ranking function -1 * \old(n) and consists of 4 locations. One deterministic module has affine ranking function \old(n) and consists of 7 locations. One deterministic module has affine ranking function m and consists of 8 locations. One deterministic module has affine ranking function m and consists of 5 locations. 8 modules have a trivial ranking function, the largest among these consists of 14 locations. The remainder module has 147 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.4s and 11 iterations. TraceHistogramMax:4. Analysis of lassos took 9.3s. Construction of modules took 0.4s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 11. Automata minimization 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 267 StatesRemovedByMinimization, 14 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 187 states and ocurred in iteration 8. Nontrivial modules had stage [7, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/7 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 709 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 684 mSDsluCounter, 2011 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1348 mSDsCounter, 221 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 932 IncrementalHoareTripleChecker+Invalid, 1153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 221 mSolverCounterUnsat, 663 mSDtfsCounter, 932 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 hnf98 lsp78 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq174 hnf93 smp88 dnf100 smp100 tf109 neg98 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 22 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 7 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 4.9s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 44]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@794177a1=0, NULL=0, NULL=0, NULL=1, f2=0, m=0, \old(n)=0, n=0, m=2, n=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@37ba07c7=0, \result=0, n=0, f1=0, n=0, \old(n)=1, \old(m)=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a185a35=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a79f94b=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5977dc16=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6fded4d3=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39e2539e=0, \old(m)=0, result=0, \old(n)=0, NULL=0, \result=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33769e7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73478483=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48d324d6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c595bf8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f2b16b4=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 44]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L77] int n = __VERIFIER_nondet_int(); [L78] COND FALSE !(n < 1 || n > 46340) [L83] CALL is_prime(n) [L53] CALL is_prime_(n, n - 1) [L58] COND FALSE !(n <= 1) [L61] COND FALSE !(n == 2) [L64] COND TRUE n > 2 [L65] COND FALSE !(m <= 1) [L68] CALL multiple_of(n, m) [L32] COND FALSE !(m < 0) [L35] COND FALSE !(n < 0) [L38] COND FALSE !(m == 0) [L41] COND FALSE !(n == 0) [L44] CALL multiple_of(n - m, m) [L32] COND FALSE !(m < 0) [L35] COND FALSE !(n < 0) [L38] COND FALSE !(m == 0) [L41] COND FALSE !(n == 0) [L44] CALL multiple_of(n - m, m) [L32] COND FALSE !(m < 0) [L35] COND TRUE n < 0 [L36] CALL multiple_of(-n, m) [L32] COND FALSE !(m < 0) [L35] COND FALSE !(n < 0) [L38] COND FALSE !(m == 0) [L41] COND FALSE !(n == 0) Loop: [L44] CALL multiple_of(n - m, m) [L32] COND FALSE !(m < 0) [L35] COND TRUE n < 0 [L36] CALL multiple_of(-n, m) [L32] COND FALSE !(m < 0) [L35] COND FALSE !(n < 0) [L38] COND FALSE !(m == 0) [L41] COND FALSE !(n == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-06 21:37:10,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Ended with exit code 0 [2021-12-06 21:37:10,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-06 21:37:11,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4e03f83-5507-4729-937e-57c765da28c8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)