./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Primes.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt --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 c04652d270e46f53d045684d293397aaf1836f58 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:21:41,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:21:41,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:21:41,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:21:41,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:21:41,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:21:41,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:21:41,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:21:41,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:21:41,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:21:41,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:21:41,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:21:41,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:21:41,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:21:41,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:21:41,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:21:41,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:21:41,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:21:41,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:21:41,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:21:41,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:21:41,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:21:41,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:21:41,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:21:41,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:21:41,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:21:41,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:21:41,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:21:41,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:21:41,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:21:41,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:21:41,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:21:41,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:21:41,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:21:41,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:21:41,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:21:41,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:21:41,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:21:41,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:21:41,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:21:41,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:21:41,707 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 01:21:41,740 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:21:41,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:21:41,741 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:21:41,742 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:21:41,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:21:41,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:21:41,744 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:21:41,744 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:21:41,744 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:21:41,745 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:21:41,745 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:21:41,745 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:21:41,746 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:21:41,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:21:41,746 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:21:41,747 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:21:41,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:21:41,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:21:41,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:21:41,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:21:41,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:21:41,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:21:41,749 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:21:41,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:21:41,751 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:21:41,751 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:21:41,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:21:41,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:21:41,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:21:41,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:21:41,758 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:21:41,759 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:21:41,760 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:21:41,761 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_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c04652d270e46f53d045684d293397aaf1836f58 [2021-10-13 01:21:42,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:21:42,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:21:42,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:21:42,205 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:21:42,206 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:21:42,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/recursive/Primes.c [2021-10-13 01:21:42,309 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/data/a0ea06000/b2387549d96b4847b73d4ad964c6f9ef/FLAGe2bf340a6 [2021-10-13 01:21:42,999 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:21:43,003 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/sv-benchmarks/c/recursive/Primes.c [2021-10-13 01:21:43,015 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/data/a0ea06000/b2387549d96b4847b73d4ad964c6f9ef/FLAGe2bf340a6 [2021-10-13 01:21:43,361 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/data/a0ea06000/b2387549d96b4847b73d4ad964c6f9ef [2021-10-13 01:21:43,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:21:43,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:21:43,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:21:43,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:21:43,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:21:43,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:21:43" (1/1) ... [2021-10-13 01:21:43,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3634a4b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:43, skipping insertion in model container [2021-10-13 01:21:43,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:21:43" (1/1) ... [2021-10-13 01:21:43,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:21:43,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:21:43,682 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/sv-benchmarks/c/recursive/Primes.c[2190,2203] [2021-10-13 01:21:43,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:21:43,694 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:21:43,742 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/sv-benchmarks/c/recursive/Primes.c[2190,2203] [2021-10-13 01:21:43,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:21:43,769 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:21:43,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:43 WrapperNode [2021-10-13 01:21:43,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:21:43,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:21:43,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:21:43,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:21:43,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:43" (1/1) ... [2021-10-13 01:21:43,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:43" (1/1) ... [2021-10-13 01:21:43,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:21:43,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:21:43,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:21:43,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:21:43,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:43" (1/1) ... [2021-10-13 01:21:43,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:43" (1/1) ... [2021-10-13 01:21:43,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:43" (1/1) ... [2021-10-13 01:21:43,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:43" (1/1) ... [2021-10-13 01:21:43,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:43" (1/1) ... [2021-10-13 01:21:43,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:43" (1/1) ... [2021-10-13 01:21:43,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:43" (1/1) ... [2021-10-13 01:21:43,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:21:43,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:21:43,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:21:43,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:21:43,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:43" (1/1) ... [2021-10-13 01:21:43,903 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:43,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:43,935 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:43,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:21:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure multiple_of [2021-10-13 01:21:43,999 INFO L138 BoogieDeclarations]: Found implementation of procedure multiple_of [2021-10-13 01:21:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2021-10-13 01:21:44,000 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2021-10-13 01:21:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure is_prime_ [2021-10-13 01:21:44,001 INFO L138 BoogieDeclarations]: Found implementation of procedure is_prime_ [2021-10-13 01:21:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:21:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:21:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:21:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:21:44,453 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:21:44,453 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-13 01:21:44,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:21:44 BoogieIcfgContainer [2021-10-13 01:21:44,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:21:44,457 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:21:44,458 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:21:44,466 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:21:44,467 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:21:44,467 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:21:43" (1/3) ... [2021-10-13 01:21:44,469 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10cb1ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:21:44, skipping insertion in model container [2021-10-13 01:21:44,470 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:21:44,470 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:43" (2/3) ... [2021-10-13 01:21:44,471 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10cb1ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:21:44, skipping insertion in model container [2021-10-13 01:21:44,471 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:21:44,471 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:21:44" (3/3) ... [2021-10-13 01:21:44,473 INFO L389 chiAutomizerObserver]: Analyzing ICFG Primes.c [2021-10-13 01:21:44,542 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:21:44,543 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:21:44,543 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:21:44,543 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:21:44,544 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:21:44,544 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:21:44,544 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:21:44,544 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:21:44,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 50 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 37 states have internal predecessors, (54), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-10-13 01:21:44,598 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-10-13 01:21:44,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:21:44,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:21:44,608 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 01:21:44,609 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:21:44,609 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:21:44,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 50 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 37 states have internal predecessors, (54), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-10-13 01:21:44,617 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-10-13 01:21:44,617 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:21:44,617 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:21:44,618 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 01:21:44,618 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:21:44,627 INFO L791 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 30#L-1true havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_#t~nondet17, main_#t~nondet18, main_#t~ret19, main_#t~short20, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet15;havoc main_#t~nondet15; 16#L78true assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret12, is_prime_~n;is_prime_~n := is_prime_#in~n; 23#L53true call is_prime_#t~ret12 := is_prime_(is_prime_~n, is_prime_~n - 1);< 32#is_prime_ENTRYtrue [2021-10-13 01:21:44,628 INFO L793 eck$LassoCheckResult]: Loop: 32#is_prime_ENTRYtrue ~n := #in~n;~m := #in~m; 51#L58true assume !(~n <= 1); 33#L61true assume !(2 == ~n); 48#L64true assume ~n > 2; 9#L65true assume !(~m <= 1); 28#L68true call #t~ret13 := multiple_of(~n, ~m);< 46#multiple_ofENTRYtrue ~n := #in~n;~m := #in~m; 43#L32true assume !(~m < 0); 49#L35true assume !(~n < 0); 15#L38true assume 0 == ~m;#res := 0; 19#multiple_ofFINALtrue assume true; 20#multiple_ofEXITtrue >#122#return; 21#L68-1true assume !(0 == #t~ret13);havoc #t~ret13; 5#L71true call #t~ret14 := is_prime_(~n, ~m - 1);< 32#is_prime_ENTRYtrue [2021-10-13 01:21:44,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:44,636 INFO L82 PathProgramCache]: Analyzing trace with hash 2218663, now seen corresponding path program 1 times [2021-10-13 01:21:44,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:44,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474462081] [2021-10-13 01:21:44,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:44,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:44,779 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:21:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:44,829 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:21:44,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:44,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1788949215, now seen corresponding path program 1 times [2021-10-13 01:21:44,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:44,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077262039] [2021-10-13 01:21:44,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:44,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:44,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-10-13 01:21:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:44,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:21:44,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:21:44,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077262039] [2021-10-13 01:21:44,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077262039] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:21:44,978 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:21:44,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 01:21:44,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751619805] [2021-10-13 01:21:44,985 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 01:21:44,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:21:45,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:21:45,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:21:45,027 INFO L87 Difference]: Start difference. First operand has 50 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 37 states have internal predecessors, (54), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 01:21:45,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:21:45,195 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2021-10-13 01:21:45,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:21:45,198 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 80 transitions. [2021-10-13 01:21:45,219 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-10-13 01:21:45,228 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 41 states and 54 transitions. [2021-10-13 01:21:45,229 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2021-10-13 01:21:45,230 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-10-13 01:21:45,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 54 transitions. [2021-10-13 01:21:45,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:21:45,233 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2021-10-13 01:21:45,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 54 transitions. [2021-10-13 01:21:45,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2021-10-13 01:21:45,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 30 states have internal predecessors, (37), 9 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-10-13 01:21:45,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 51 transitions. [2021-10-13 01:21:45,300 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 51 transitions. [2021-10-13 01:21:45,300 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 51 transitions. [2021-10-13 01:21:45,301 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:21:45,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 51 transitions. [2021-10-13 01:21:45,307 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-10-13 01:21:45,307 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:21:45,307 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:21:45,308 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 01:21:45,308 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:21:45,308 INFO L791 eck$LassoCheckResult]: Stem: 155#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 138#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_#t~nondet17, main_#t~nondet18, main_#t~ret19, main_#t~short20, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet15;havoc main_#t~nondet15; 139#L78 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret12, is_prime_~n;is_prime_~n := is_prime_#in~n; 134#L53 call is_prime_#t~ret12 := is_prime_(is_prime_~n, is_prime_~n - 1);< 135#is_prime_ENTRY [2021-10-13 01:21:45,309 INFO L793 eck$LassoCheckResult]: Loop: 135#is_prime_ENTRY ~n := #in~n;~m := #in~m; 149#L58 assume !(~n <= 1); 150#L61 assume !(2 == ~n); 151#L64 assume ~n > 2; 144#L65 assume !(~m <= 1); 126#L68 call #t~ret13 := multiple_of(~n, ~m);< 137#multiple_ofENTRY ~n := #in~n;~m := #in~m; 160#L32 assume !(~m < 0); 161#L35 assume !(~n < 0); 158#L38 assume !(0 == ~m); 159#L41 assume 0 == ~n;#res := 1; 130#multiple_ofFINAL assume true; 162#multiple_ofEXIT >#122#return; 163#L68-1 assume !(0 == #t~ret13);havoc #t~ret13; 133#L71 call #t~ret14 := is_prime_(~n, ~m - 1);< 135#is_prime_ENTRY [2021-10-13 01:21:45,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:45,310 INFO L82 PathProgramCache]: Analyzing trace with hash 2218663, now seen corresponding path program 2 times [2021-10-13 01:21:45,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:45,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394353066] [2021-10-13 01:21:45,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:45,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:45,353 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:21:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:45,390 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:21:45,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:45,396 INFO L82 PathProgramCache]: Analyzing trace with hash 399153633, now seen corresponding path program 1 times [2021-10-13 01:21:45,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:45,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074105890] [2021-10-13 01:21:45,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:45,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:45,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-10-13 01:21:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:45,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:21:45,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:21:45,501 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074105890] [2021-10-13 01:21:45,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074105890] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:21:45,502 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:21:45,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 01:21:45,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666158265] [2021-10-13 01:21:45,503 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 01:21:45,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:21:45,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:21:45,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:21:45,505 INFO L87 Difference]: Start difference. First operand 39 states and 51 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 01:21:45,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:21:45,579 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2021-10-13 01:21:45,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:21:45,581 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2021-10-13 01:21:45,584 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-10-13 01:21:45,586 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 57 transitions. [2021-10-13 01:21:45,587 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2021-10-13 01:21:45,587 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2021-10-13 01:21:45,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 57 transitions. [2021-10-13 01:21:45,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:21:45,589 INFO L681 BuchiCegarLoop]: Abstraction has 43 states and 57 transitions. [2021-10-13 01:21:45,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 57 transitions. [2021-10-13 01:21:45,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2021-10-13 01:21:45,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 32 states have internal predecessors, (38), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2021-10-13 01:21:45,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 54 transitions. [2021-10-13 01:21:45,597 INFO L704 BuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2021-10-13 01:21:45,597 INFO L587 BuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2021-10-13 01:21:45,597 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 01:21:45,597 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 54 transitions. [2021-10-13 01:21:45,599 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-10-13 01:21:45,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:21:45,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:21:45,600 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 01:21:45,601 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:21:45,601 INFO L791 eck$LassoCheckResult]: Stem: 255#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 239#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_#t~nondet17, main_#t~nondet18, main_#t~ret19, main_#t~short20, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet15;havoc main_#t~nondet15; 240#L78 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret12, is_prime_~n;is_prime_~n := is_prime_#in~n; 233#L53 call is_prime_#t~ret12 := is_prime_(is_prime_~n, is_prime_~n - 1);< 234#is_prime_ENTRY [2021-10-13 01:21:45,601 INFO L793 eck$LassoCheckResult]: Loop: 234#is_prime_ENTRY ~n := #in~n;~m := #in~m; 248#L58 assume !(~n <= 1); 251#L61 assume !(2 == ~n); 252#L64 assume ~n > 2; 243#L65 assume !(~m <= 1); 226#L68 call #t~ret13 := multiple_of(~n, ~m);< 236#multiple_ofENTRY ~n := #in~n;~m := #in~m; 260#L32 assume !(~m < 0); 261#L35 assume !(~n < 0); 258#L38 assume !(0 == ~m); 259#L41 assume !(0 == ~n); 227#L44 call #t~ret11 := multiple_of(~n - ~m, ~m);< 236#multiple_ofENTRY ~n := #in~n;~m := #in~m; 260#L32 assume !(~m < 0); 261#L35 assume !(~n < 0); 258#L38 assume !(0 == ~m); 259#L41 assume 0 == ~n;#res := 1; 250#multiple_ofFINAL assume true; 262#multiple_ofEXIT >#112#return; 224#L44-1 #res := #t~ret11;havoc #t~ret11; 229#multiple_ofFINAL assume true; 264#multiple_ofEXIT >#122#return; 263#L68-1 assume !(0 == #t~ret13);havoc #t~ret13; 232#L71 call #t~ret14 := is_prime_(~n, ~m - 1);< 234#is_prime_ENTRY [2021-10-13 01:21:45,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:45,602 INFO L82 PathProgramCache]: Analyzing trace with hash 2218663, now seen corresponding path program 3 times [2021-10-13 01:21:45,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:45,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071014791] [2021-10-13 01:21:45,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:45,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:45,617 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:21:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:45,649 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:21:45,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:45,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1840266607, now seen corresponding path program 1 times [2021-10-13 01:21:45,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:45,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973982957] [2021-10-13 01:21:45,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:45,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:45,681 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:21:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:45,745 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:21:45,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:45,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1482001207, now seen corresponding path program 1 times [2021-10-13 01:21:45,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:45,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674851138] [2021-10-13 01:21:45,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:45,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:45,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-10-13 01:21:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:45,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-10-13 01:21:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:45,980 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:21:45,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:21:45,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674851138] [2021-10-13 01:21:45,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674851138] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:21:45,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167239627] [2021-10-13 01:21:45,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:45,982 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:21:45,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:45,984 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:21:46,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 01:21:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:46,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 01:21:46,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:21:46,402 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:21:46,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167239627] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:21:46,403 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:21:46,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2021-10-13 01:21:46,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787382206] [2021-10-13 01:21:46,957 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:21:46,958 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:21:46,958 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:21:46,959 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:21:46,959 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 01:21:46,959 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:46,959 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:21:46,960 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:21:46,960 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration3_Loop [2021-10-13 01:21:46,960 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:21:46,960 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:21:46,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:46,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:46,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:46,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:46,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:47,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:47,087 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:21:47,088 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 01:21:47,091 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:47,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:47,095 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:47,103 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:47,103 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:47,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 01:21:47,139 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:21:47,139 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__~n=0} Honda state: {is_prime__~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:21:47,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:47,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:47,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:47,189 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:47,197 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:47,197 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:47,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 01:21:47,225 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:21:47,226 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__#t~ret13=0} Honda state: {is_prime__#t~ret13=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:21:47,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:47,270 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:47,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:47,298 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:47,309 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:47,309 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:47,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 01:21:47,344 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:21:47,344 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__~m=0} Honda state: {is_prime__~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:21:47,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:47,412 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:47,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:47,413 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:47,420 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:47,421 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:47,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 01:21:47,446 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:21:47,446 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__#t~ret14=0} Honda state: {is_prime__#t~ret14=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:21:47,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:47,493 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:47,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:47,495 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:47,502 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:47,502 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:47,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 01:21:47,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:47,564 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:47,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:47,566 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:47,573 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 01:21:47,573 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:47,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 01:21:47,649 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 01:21:47,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:47,658 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:21:47,658 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:21:47,658 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:21:47,658 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:21:47,659 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:21:47,659 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:47,659 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:21:47,659 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:21:47,659 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration3_Loop [2021-10-13 01:21:47,659 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:21:47,659 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:21:47,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:47,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:47,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:47,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:47,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:47,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:47,746 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:21:47,751 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:21:47,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:47,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:47,758 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:47,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:47,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 01:21:47,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:47,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:47,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:47,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:47,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:47,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:47,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:47,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:21:47,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:47,839 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:47,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:47,841 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:47,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:47,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:47,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:47,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:47,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:47,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:47,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:47,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:47,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 01:21:47,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:21:47,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:47,918 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:47,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:47,922 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:47,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:47,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:47,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:47,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:47,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:47,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:47,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:47,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:47,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 01:21:47,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:21:48,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:48,004 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:48,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:48,005 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:48,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:48,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:48,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:48,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:48,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:48,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:48,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:48,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:48,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 01:21:48,041 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:21:48,074 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 01:21:48,074 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 01:21:48,076 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:48,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:48,097 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:48,099 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:21:48,099 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 01:21:48,100 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:21:48,100 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(is_prime__#in~m) = 1*is_prime__#in~m Supporting invariants [] [2021-10-13 01:21:48,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 01:21:48,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:48,164 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 01:21:48,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:48,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:21:48,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:21:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:48,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-13 01:21:48,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:21:48,679 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:21:48,684 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 9 loop predicates [2021-10-13 01:21:48,685 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 54 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-13 01:21:49,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-10-13 01:21:49,522 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 54 transitions. cyclomatic complexity: 16. Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 322 states and 477 transitions. Complement of second has 71 states. [2021-10-13 01:21:49,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 1 stem states 11 non-accepting loop states 1 accepting loop states [2021-10-13 01:21:49,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 8 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-13 01:21:49,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 77 transitions. [2021-10-13 01:21:49,530 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 77 transitions. Stem has 4 letters. Loop has 24 letters. [2021-10-13 01:21:49,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:21:49,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 77 transitions. Stem has 28 letters. Loop has 24 letters. [2021-10-13 01:21:49,532 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:21:49,533 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 77 transitions. Stem has 4 letters. Loop has 48 letters. [2021-10-13 01:21:49,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:21:49,534 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 322 states and 477 transitions. [2021-10-13 01:21:49,551 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 30 [2021-10-13 01:21:49,568 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 322 states to 264 states and 371 transitions. [2021-10-13 01:21:49,569 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 156 [2021-10-13 01:21:49,570 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 159 [2021-10-13 01:21:49,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 264 states and 371 transitions. [2021-10-13 01:21:49,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:21:49,572 INFO L681 BuchiCegarLoop]: Abstraction has 264 states and 371 transitions. [2021-10-13 01:21:49,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states and 371 transitions. [2021-10-13 01:21:49,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 163. [2021-10-13 01:21:49,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 118 states have (on average 1.3135593220338984) internal successors, (155), 119 states have internal predecessors, (155), 28 states have call successors, (28), 13 states have call predecessors, (28), 17 states have return successors, (37), 30 states have call predecessors, (37), 23 states have call successors, (37) [2021-10-13 01:21:49,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 220 transitions. [2021-10-13 01:21:49,608 INFO L704 BuchiCegarLoop]: Abstraction has 163 states and 220 transitions. [2021-10-13 01:21:49,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:21:49,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 01:21:49,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-10-13 01:21:49,610 INFO L87 Difference]: Start difference. First operand 163 states and 220 transitions. Second operand has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-13 01:21:49,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:21:49,821 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2021-10-13 01:21:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 01:21:49,822 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 171 states and 229 transitions. [2021-10-13 01:21:49,829 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2021-10-13 01:21:49,833 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 171 states to 107 states and 147 transitions. [2021-10-13 01:21:49,833 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 107 [2021-10-13 01:21:49,834 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 107 [2021-10-13 01:21:49,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 107 states and 147 transitions. [2021-10-13 01:21:49,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:21:49,836 INFO L681 BuchiCegarLoop]: Abstraction has 107 states and 147 transitions. [2021-10-13 01:21:49,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states and 147 transitions. [2021-10-13 01:21:49,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 93. [2021-10-13 01:21:49,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 71 states have internal predecessors, (93), 18 states have call successors, (18), 8 states have call predecessors, (18), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2021-10-13 01:21:49,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 126 transitions. [2021-10-13 01:21:49,857 INFO L704 BuchiCegarLoop]: Abstraction has 93 states and 126 transitions. [2021-10-13 01:21:49,857 INFO L587 BuchiCegarLoop]: Abstraction has 93 states and 126 transitions. [2021-10-13 01:21:49,857 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 01:21:49,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 126 transitions. [2021-10-13 01:21:49,859 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 29 [2021-10-13 01:21:49,859 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:21:49,859 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:21:49,865 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:21:49,866 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 01:21:49,866 INFO L791 eck$LassoCheckResult]: Stem: 1272#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1252#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_#t~nondet17, main_#t~nondet18, main_#t~ret19, main_#t~short20, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet15;havoc main_#t~nondet15; 1253#L78 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret12, is_prime_~n;is_prime_~n := is_prime_#in~n; 1277#L53 call is_prime_#t~ret12 := is_prime_(is_prime_~n, is_prime_~n - 1);< 1296#is_prime_ENTRY ~n := #in~n;~m := #in~m; 1301#L58 assume !(~n <= 1); 1302#L61 assume !(2 == ~n); 1305#L64 assume ~n > 2; 1300#L65 assume !(~m <= 1); 1278#L68 call #t~ret13 := multiple_of(~n, ~m);< 1307#multiple_ofENTRY ~n := #in~n;~m := #in~m; 1322#L32 assume ~m < 0; 1282#L33 [2021-10-13 01:21:49,866 INFO L793 eck$LassoCheckResult]: Loop: 1282#L33 call #t~ret9 := multiple_of(~n, -~m);< 1263#multiple_ofENTRY ~n := #in~n;~m := #in~m; 1290#L32 assume ~m < 0; 1282#L33 [2021-10-13 01:21:49,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:49,867 INFO L82 PathProgramCache]: Analyzing trace with hash -123397399, now seen corresponding path program 1 times [2021-10-13 01:21:49,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:49,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703477724] [2021-10-13 01:21:49,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:49,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:49,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:21:49,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:21:49,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703477724] [2021-10-13 01:21:49,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703477724] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:21:49,960 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:21:49,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 01:21:49,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233383422] [2021-10-13 01:21:49,961 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 01:21:49,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:49,962 INFO L82 PathProgramCache]: Analyzing trace with hash 132621, now seen corresponding path program 1 times [2021-10-13 01:21:49,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:49,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030564729] [2021-10-13 01:21:49,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:49,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:49,979 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:21:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:49,983 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:21:50,066 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:21:50,066 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:21:50,066 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:21:50,066 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:21:50,066 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 01:21:50,066 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:50,067 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:21:50,067 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:21:50,067 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration4_Loop [2021-10-13 01:21:50,067 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:21:50,067 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:21:50,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:50,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:50,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:50,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:50,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:50,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:50,149 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:21:50,150 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 01:21:50,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:50,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:50,154 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:50,163 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:50,163 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:50,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 01:21:50,194 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:21:50,194 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret11=0} Honda state: {multiple_of_#t~ret11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:21:50,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:50,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:50,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:50,239 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:50,245 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:50,246 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:50,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 01:21:50,278 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:21:50,278 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret10=0} Honda state: {multiple_of_#t~ret10=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:21:50,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:50,324 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:50,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:50,325 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:50,337 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:50,337 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:50,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 01:21:50,374 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:21:50,374 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_~n=2, multiple_of_#in~n=2} Honda state: {multiple_of_~n=2, multiple_of_#in~n=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:21:50,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:50,419 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:50,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:50,421 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:50,427 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:50,428 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:50,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 01:21:50,453 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:21:50,454 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret9=0} Honda state: {multiple_of_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:21:50,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:50,500 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:50,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:50,505 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:50,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 01:21:50,511 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:50,512 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:50,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:50,602 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:50,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:50,606 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:50,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 01:21:50,614 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 01:21:50,614 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:52,868 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 01:21:52,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:52,872 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:21:52,872 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:21:52,872 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:21:52,872 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:21:52,873 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:21:52,873 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:52,873 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:21:52,873 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:21:52,873 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration4_Loop [2021-10-13 01:21:52,873 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:21:52,873 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:21:52,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:52,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:52,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:52,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:52,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:52,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:52,956 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:21:52,957 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:21:52,957 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:52,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:52,958 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:52,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:52,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:52,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:52,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:52,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:52,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:52,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:52,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:52,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 01:21:52,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:21:53,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:53,042 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:53,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:53,043 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:53,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:53,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:53,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:53,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:53,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:53,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:53,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:53,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:53,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 01:21:53,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:21:53,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:53,127 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:53,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:53,128 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:53,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:53,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:53,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:53,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:53,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:53,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:53,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:53,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:53,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 01:21:53,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:21:53,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:53,206 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:53,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:53,210 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:53,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:53,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:53,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:53,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:53,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:53,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:53,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:53,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:53,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 01:21:53,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:21:53,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:53,284 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:53,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:53,286 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:53,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:53,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:53,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:53,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:53,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:53,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:53,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:53,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:53,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 01:21:53,325 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:21:53,329 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-13 01:21:53,329 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 01:21:53,329 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:53,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:53,330 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:53,333 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:21:53,333 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 01:21:53,333 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:21:53,333 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_~m) = 1*multiple_of_~m Supporting invariants [] [2021-10-13 01:21:53,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 01:21:53,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-13 01:21:53,372 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 01:21:53,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:53,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:21:53,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:21:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:53,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 01:21:53,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:21:53,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:53,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:21:53,582 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 01:21:53,582 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 93 states and 126 transitions. cyclomatic complexity: 36 Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:53,658 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 93 states and 126 transitions. cyclomatic complexity: 36. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 191 states and 253 transitions. Complement of second has 18 states. [2021-10-13 01:21:53,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 01:21:53,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:53,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2021-10-13 01:21:53,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 12 letters. Loop has 3 letters. [2021-10-13 01:21:53,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:21:53,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-13 01:21:53,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:21:53,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 67 transitions. Stem has 12 letters. Loop has 6 letters. [2021-10-13 01:21:53,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:21:53,665 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 191 states and 253 transitions. [2021-10-13 01:21:53,679 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 42 [2021-10-13 01:21:53,684 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 191 states to 137 states and 182 transitions. [2021-10-13 01:21:53,685 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113 [2021-10-13 01:21:53,688 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 114 [2021-10-13 01:21:53,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 182 transitions. [2021-10-13 01:21:53,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:21:53,689 INFO L681 BuchiCegarLoop]: Abstraction has 137 states and 182 transitions. [2021-10-13 01:21:53,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 182 transitions. [2021-10-13 01:21:53,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 108. [2021-10-13 01:21:53,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 84 states have internal predecessors, (106), 23 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2021-10-13 01:21:53,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 146 transitions. [2021-10-13 01:21:53,708 INFO L704 BuchiCegarLoop]: Abstraction has 108 states and 146 transitions. [2021-10-13 01:21:53,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:21:53,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:21:53,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:21:53,709 INFO L87 Difference]: Start difference. First operand 108 states and 146 transitions. Second operand has 5 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:53,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:21:53,755 INFO L93 Difference]: Finished difference Result 98 states and 128 transitions. [2021-10-13 01:21:53,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:21:53,756 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 128 transitions. [2021-10-13 01:21:53,759 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2021-10-13 01:21:53,762 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 98 states and 128 transitions. [2021-10-13 01:21:53,762 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2021-10-13 01:21:53,763 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2021-10-13 01:21:53,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 128 transitions. [2021-10-13 01:21:53,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:21:53,764 INFO L681 BuchiCegarLoop]: Abstraction has 98 states and 128 transitions. [2021-10-13 01:21:53,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 128 transitions. [2021-10-13 01:21:53,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 92. [2021-10-13 01:21:53,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 67 states have (on average 1.328358208955224) internal successors, (89), 70 states have internal predecessors, (89), 17 states have call successors, (17), 8 states have call predecessors, (17), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2021-10-13 01:21:53,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 121 transitions. [2021-10-13 01:21:53,774 INFO L704 BuchiCegarLoop]: Abstraction has 92 states and 121 transitions. [2021-10-13 01:21:53,774 INFO L587 BuchiCegarLoop]: Abstraction has 92 states and 121 transitions. [2021-10-13 01:21:53,774 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 01:21:53,774 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 121 transitions. [2021-10-13 01:21:53,776 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2021-10-13 01:21:53,776 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:21:53,776 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:21:53,777 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:21:53,777 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 01:21:53,778 INFO L791 eck$LassoCheckResult]: Stem: 1852#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1825#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_#t~nondet17, main_#t~nondet18, main_#t~ret19, main_#t~short20, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet15;havoc main_#t~nondet15; 1826#L78 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret12, is_prime_~n;is_prime_~n := is_prime_#in~n; 1855#L53 call is_prime_#t~ret12 := is_prime_(is_prime_~n, is_prime_~n - 1);< 1867#is_prime_ENTRY ~n := #in~n;~m := #in~m; 1886#L58 assume ~n <= 1;#res := 0; 1870#is_prime_FINAL assume true; 1869#is_prime_EXIT >#118#return; 1865#L53-1 is_prime_#res := is_prime_#t~ret12;havoc is_prime_#t~ret12; 1818#L53-2 main_#t~ret16 := is_prime_#res;main_~result~0 := main_#t~ret16;havoc main_#t~ret16;main_~f1~0 := main_#t~nondet17;havoc main_#t~nondet17; 1819#L85 assume !(main_~f1~0 < 1 || main_~f1~0 > 46340);main_~f2~0 := main_#t~nondet18;havoc main_#t~nondet18; 1823#L91 assume !(main_~f2~0 < 1 || main_~f2~0 > 46340);main_#t~short20 := 1 == main_~result~0; 1827#L97 assume main_#t~short20; 1828#L97-1 call main_#t~ret19 := mult(main_~f1~0, main_~f2~0);< 1840#multENTRY [2021-10-13 01:21:53,778 INFO L793 eck$LassoCheckResult]: Loop: 1840#multENTRY ~n := #in~n;~m := #in~m; 1848#L18 assume ~m < 0; 1833#L19 call #t~ret7 := mult(~n, -~m);< 1840#multENTRY [2021-10-13 01:21:53,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:53,779 INFO L82 PathProgramCache]: Analyzing trace with hash 636635474, now seen corresponding path program 1 times [2021-10-13 01:21:53,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:53,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758940163] [2021-10-13 01:21:53,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:53,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:53,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:21:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:53,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:21:53,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:21:53,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758940163] [2021-10-13 01:21:53,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758940163] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:21:53,889 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:21:53,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-13 01:21:53,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676287879] [2021-10-13 01:21:53,890 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 01:21:53,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:53,891 INFO L82 PathProgramCache]: Analyzing trace with hash 53805, now seen corresponding path program 1 times [2021-10-13 01:21:53,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:53,891 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166426303] [2021-10-13 01:21:53,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:53,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:53,905 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:21:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:53,910 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:21:53,963 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:21:53,963 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:21:53,963 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:21:53,963 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:21:53,964 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 01:21:53,964 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:53,964 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:21:53,964 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:21:53,964 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration5_Loop [2021-10-13 01:21:53,964 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:21:53,965 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:21:53,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:53,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:53,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:53,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:53,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:53,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:53,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:54,023 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:21:54,023 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 01:21:54,024 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:54,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:54,025 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:54,027 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:54,027 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:54,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 01:21:54,046 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:21:54,046 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~n=0} Honda state: {mult_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:21:54,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:54,090 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:54,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:54,094 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:54,098 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:54,098 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:54,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 01:21:54,125 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:21:54,126 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~m=0} Honda state: {mult_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:21:54,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:54,164 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:54,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:54,165 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:54,167 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:54,167 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:54,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 01:21:54,177 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:21:54,177 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#res=0} Honda state: {mult_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:21:54,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:54,202 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:54,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:54,203 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:54,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 01:21:54,206 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:54,206 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:54,216 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:21:54,216 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#in~n=0} Honda state: {mult_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:21:54,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-13 01:21:54,241 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:54,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:54,242 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:54,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-13 01:21:54,244 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:54,244 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:54,254 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:21:54,254 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret8=0} Honda state: {mult_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:21:54,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:54,278 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:54,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:54,279 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:54,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-13 01:21:54,281 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:54,281 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:54,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-13 01:21:54,316 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:54,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:54,317 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:54,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-13 01:21:54,319 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 01:21:54,319 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:54,362 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 01:21:54,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-13 01:21:54,365 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:21:54,365 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:21:54,365 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:21:54,365 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:21:54,365 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:21:54,365 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:54,365 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:21:54,365 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:21:54,366 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration5_Loop [2021-10-13 01:21:54,366 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:21:54,366 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:21:54,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:54,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:54,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:54,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:54,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:54,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:54,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:54,428 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:21:54,428 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:21:54,429 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:54,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:54,429 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:54,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-13 01:21:54,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:54,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:54,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:54,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:54,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:54,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:54,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:54,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:54,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:21:54,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:54,474 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:54,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:54,475 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:54,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-13 01:21:54,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:54,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:54,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:54,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:54,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:54,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:54,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:54,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:54,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:21:54,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-13 01:21:54,521 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:54,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:54,522 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:54,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-13 01:21:54,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:54,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:54,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:54,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:54,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:54,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:54,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:54,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:54,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:21:54,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-13 01:21:54,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:54,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:54,562 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:54,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-13 01:21:54,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:54,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:54,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:54,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:54,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:54,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:54,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:54,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:54,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:21:54,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-10-13 01:21:54,599 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:54,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:54,600 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:54,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-13 01:21:54,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:54,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:54,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:54,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:54,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:54,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:54,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:54,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:54,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:21:54,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-13 01:21:54,639 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:54,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:54,640 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:54,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-13 01:21:54,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:54,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:54,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:54,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:54,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:54,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:54,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:54,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:54,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:21:54,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-10-13 01:21:54,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:54,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:54,680 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:54,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-13 01:21:54,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:54,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:54,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:54,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:54,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:54,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:54,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:54,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:54,696 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:21:54,703 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-13 01:21:54,703 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 01:21:54,703 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:54,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:54,704 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:54,709 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:21:54,709 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 01:21:54,710 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:21:54,710 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_#in~m) = -1*mult_#in~m Supporting invariants [] [2021-10-13 01:21:54,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-13 01:21:54,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-13 01:21:54,735 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 01:21:54,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:54,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:21:54,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:21:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:54,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 01:21:54,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:21:54,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:21:54,939 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-10-13 01:21:54,939 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 92 states and 121 transitions. cyclomatic complexity: 32 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 01:21:55,045 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 92 states and 121 transitions. cyclomatic complexity: 32. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 114 states and 145 transitions. Complement of second has 14 states. [2021-10-13 01:21:55,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:21:55,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 01:21:55,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2021-10-13 01:21:55,047 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 14 letters. Loop has 3 letters. [2021-10-13 01:21:55,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:21:55,047 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 17 letters. Loop has 3 letters. [2021-10-13 01:21:55,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:21:55,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 48 transitions. Stem has 14 letters. Loop has 6 letters. [2021-10-13 01:21:55,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:21:55,048 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 145 transitions. [2021-10-13 01:21:55,051 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2021-10-13 01:21:55,053 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 106 states and 137 transitions. [2021-10-13 01:21:55,053 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2021-10-13 01:21:55,054 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 101 [2021-10-13 01:21:55,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 106 states and 137 transitions. [2021-10-13 01:21:55,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:21:55,054 INFO L681 BuchiCegarLoop]: Abstraction has 106 states and 137 transitions. [2021-10-13 01:21:55,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states and 137 transitions. [2021-10-13 01:21:55,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 97. [2021-10-13 01:21:55,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 73 states have internal predecessors, (95), 18 states have call successors, (18), 10 states have call predecessors, (18), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2021-10-13 01:21:55,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 128 transitions. [2021-10-13 01:21:55,062 INFO L704 BuchiCegarLoop]: Abstraction has 97 states and 128 transitions. [2021-10-13 01:21:55,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:21:55,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 01:21:55,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:21:55,063 INFO L87 Difference]: Start difference. First operand 97 states and 128 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 01:21:55,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:21:55,110 INFO L93 Difference]: Finished difference Result 108 states and 139 transitions. [2021-10-13 01:21:55,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 01:21:55,111 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 139 transitions. [2021-10-13 01:21:55,113 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2021-10-13 01:21:55,116 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 101 states and 131 transitions. [2021-10-13 01:21:55,116 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2021-10-13 01:21:55,117 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2021-10-13 01:21:55,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 131 transitions. [2021-10-13 01:21:55,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:21:55,117 INFO L681 BuchiCegarLoop]: Abstraction has 101 states and 131 transitions. [2021-10-13 01:21:55,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 131 transitions. [2021-10-13 01:21:55,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 97. [2021-10-13 01:21:55,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 71 states have (on average 1.3098591549295775) internal successors, (93), 73 states have internal predecessors, (93), 18 states have call successors, (18), 10 states have call predecessors, (18), 8 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2021-10-13 01:21:55,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 126 transitions. [2021-10-13 01:21:55,124 INFO L704 BuchiCegarLoop]: Abstraction has 97 states and 126 transitions. [2021-10-13 01:21:55,124 INFO L587 BuchiCegarLoop]: Abstraction has 97 states and 126 transitions. [2021-10-13 01:21:55,124 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-13 01:21:55,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 126 transitions. [2021-10-13 01:21:55,125 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 28 [2021-10-13 01:21:55,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:21:55,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:21:55,126 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:21:55,126 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 01:21:55,127 INFO L791 eck$LassoCheckResult]: Stem: 2365#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 2337#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_#t~nondet17, main_#t~nondet18, main_#t~ret19, main_#t~short20, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet15;havoc main_#t~nondet15; 2338#L78 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret12, is_prime_~n;is_prime_~n := is_prime_#in~n; 2369#L53 call is_prime_#t~ret12 := is_prime_(is_prime_~n, is_prime_~n - 1);< 2379#is_prime_ENTRY ~n := #in~n;~m := #in~m; 2388#L58 assume !(~n <= 1); 2385#L61 assume !(2 == ~n); 2386#L64 assume ~n > 2; 2383#L65 assume !(~m <= 1); 2370#L68 call #t~ret13 := multiple_of(~n, ~m);< 2391#multiple_ofENTRY ~n := #in~n;~m := #in~m; 2408#L32 assume !(~m < 0); 2404#L35 assume ~n < 0; 2326#L36 call #t~ret10 := multiple_of(-~n, ~m);< 2371#multiple_ofENTRY [2021-10-13 01:21:55,127 INFO L793 eck$LassoCheckResult]: Loop: 2371#multiple_ofENTRY ~n := #in~n;~m := #in~m; 2415#L32 assume !(~m < 0); 2413#L35 assume ~n < 0; 2325#L36 call #t~ret10 := multiple_of(-~n, ~m);< 2371#multiple_ofENTRY [2021-10-13 01:21:55,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:55,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1674187120, now seen corresponding path program 1 times [2021-10-13 01:21:55,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:55,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990294138] [2021-10-13 01:21:55,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:55,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:55,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:55,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:21:55,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:21:55,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990294138] [2021-10-13 01:21:55,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990294138] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:21:55,236 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:21:55,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-13 01:21:55,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859237744] [2021-10-13 01:21:55,236 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 01:21:55,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:55,237 INFO L82 PathProgramCache]: Analyzing trace with hash 929675, now seen corresponding path program 1 times [2021-10-13 01:21:55,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:55,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450247207] [2021-10-13 01:21:55,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:55,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:55,241 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:21:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:55,245 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:21:55,325 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:21:55,325 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:21:55,325 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:21:55,325 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:21:55,325 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 01:21:55,326 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:55,326 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:21:55,326 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:21:55,326 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration6_Loop [2021-10-13 01:21:55,326 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:21:55,326 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:21:55,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:55,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:55,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:55,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:55,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:55,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:55,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:55,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:55,402 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:21:55,402 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 01:21:55,402 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:55,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:55,403 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:55,414 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:55,414 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:55,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-13 01:21:55,434 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:21:55,434 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret10=0} Honda state: {multiple_of_#t~ret10=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:21:55,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:55,458 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:55,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:55,458 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:55,460 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:55,460 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:55,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-13 01:21:55,477 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:21:55,477 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret11=0} Honda state: {multiple_of_#t~ret11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:21:55,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-13 01:21:55,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:55,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:55,506 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:55,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-13 01:21:55,508 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:55,508 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:55,517 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:21:55,518 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_~n=0} Honda state: {multiple_of_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:21:55,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:55,542 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:55,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:55,543 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:55,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-13 01:21:55,554 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:55,554 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:55,564 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:21:55,564 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret9=0} Honda state: {multiple_of_#t~ret9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:21:55,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-13 01:21:55,588 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:55,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:55,589 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:55,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-13 01:21:55,591 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:55,591 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:55,601 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:21:55,601 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#res=0} Honda state: {multiple_of_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:21:55,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:55,627 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:55,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:55,628 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:55,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-13 01:21:55,630 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:55,630 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:55,639 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:21:55,640 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_~m=0} Honda state: {multiple_of_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:21:55,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-13 01:21:55,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:55,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:55,665 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:55,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-13 01:21:55,668 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:55,669 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:55,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-13 01:21:55,704 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:55,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:55,706 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:55,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-13 01:21:55,707 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 01:21:55,708 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:55,754 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 01:21:55,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:55,756 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:21:55,757 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:21:55,757 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:21:55,757 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:21:55,757 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:21:55,757 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:55,757 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:21:55,757 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:21:55,757 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration6_Loop [2021-10-13 01:21:55,757 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:21:55,757 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:21:55,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:55,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:55,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:55,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:55,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:55,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:55,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:55,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:55,831 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:21:55,832 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:21:55,832 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:55,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:55,833 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:55,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:55,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:55,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:55,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:55,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:55,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:55,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:55,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:55,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-13 01:21:55,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:21:55,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:55,907 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:55,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:55,908 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:55,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:55,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:55,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:55,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:55,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:55,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:55,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:55,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:55,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-13 01:21:55,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:21:55,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-13 01:21:55,981 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:55,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:55,982 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:55,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-13 01:21:55,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:55,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:55,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:55,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:55,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:55,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:55,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:55,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:56,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:21:56,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:56,030 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:56,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:56,033 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:56,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-13 01:21:56,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:56,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:56,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:56,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:56,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:56,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:56,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:56,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:56,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:21:56,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:56,072 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:56,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:56,073 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:56,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-13 01:21:56,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:56,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:56,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:56,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:56,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:56,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:56,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:56,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:56,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:21:56,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-13 01:21:56,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:56,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:56,110 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:56,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-13 01:21:56,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:56,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:56,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:56,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:56,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:56,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:56,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:56,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:56,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:21:56,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-10-13 01:21:56,146 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:56,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:56,147 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:56,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-13 01:21:56,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:56,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:56,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:56,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:56,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:56,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:56,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:56,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:56,162 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:21:56,164 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-13 01:21:56,164 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 01:21:56,164 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:56,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:56,167 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:56,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-13 01:21:56,169 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:21:56,169 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 01:21:56,169 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:21:56,169 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_#in~n) = -1*multiple_of_#in~n Supporting invariants [] [2021-10-13 01:21:56,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:56,202 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 01:21:56,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:56,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 01:21:56,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:21:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:56,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 01:21:56,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:21:56,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:21:56,380 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 01:21:56,381 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 97 states and 126 transitions. cyclomatic complexity: 33 Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:56,454 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 97 states and 126 transitions. cyclomatic complexity: 33. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 200 states and 269 transitions. Complement of second has 13 states. [2021-10-13 01:21:56,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:21:56,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:56,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 56 transitions. [2021-10-13 01:21:56,456 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 56 transitions. Stem has 14 letters. Loop has 4 letters. [2021-10-13 01:21:56,457 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:21:56,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 56 transitions. Stem has 18 letters. Loop has 4 letters. [2021-10-13 01:21:56,460 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:21:56,461 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 56 transitions. Stem has 14 letters. Loop has 8 letters. [2021-10-13 01:21:56,461 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:21:56,461 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 200 states and 269 transitions. [2021-10-13 01:21:56,466 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 48 [2021-10-13 01:21:56,472 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 200 states to 188 states and 257 transitions. [2021-10-13 01:21:56,472 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 173 [2021-10-13 01:21:56,473 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 175 [2021-10-13 01:21:56,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 257 transitions. [2021-10-13 01:21:56,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:21:56,476 INFO L681 BuchiCegarLoop]: Abstraction has 188 states and 257 transitions. [2021-10-13 01:21:56,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 257 transitions. [2021-10-13 01:21:56,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 163. [2021-10-13 01:21:56,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 119 states have (on average 1.3277310924369747) internal successors, (158), 125 states have internal predecessors, (158), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (37), 21 states have call predecessors, (37), 22 states have call successors, (37) [2021-10-13 01:21:56,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 223 transitions. [2021-10-13 01:21:56,498 INFO L704 BuchiCegarLoop]: Abstraction has 163 states and 223 transitions. [2021-10-13 01:21:56,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:21:56,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 01:21:56,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:21:56,499 INFO L87 Difference]: Start difference. First operand 163 states and 223 transitions. Second operand has 7 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:56,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:21:56,591 INFO L93 Difference]: Finished difference Result 161 states and 218 transitions. [2021-10-13 01:21:56,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 01:21:56,592 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 161 states and 218 transitions. [2021-10-13 01:21:56,596 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2021-10-13 01:21:56,601 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 161 states to 161 states and 218 transitions. [2021-10-13 01:21:56,601 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 154 [2021-10-13 01:21:56,601 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 154 [2021-10-13 01:21:56,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 161 states and 218 transitions. [2021-10-13 01:21:56,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:21:56,602 INFO L681 BuchiCegarLoop]: Abstraction has 161 states and 218 transitions. [2021-10-13 01:21:56,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states and 218 transitions. [2021-10-13 01:21:56,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2021-10-13 01:21:56,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 119 states have (on average 1.3025210084033614) internal successors, (155), 123 states have internal predecessors, (155), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (37), 21 states have call predecessors, (37), 22 states have call successors, (37) [2021-10-13 01:21:56,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 218 transitions. [2021-10-13 01:21:56,619 INFO L704 BuchiCegarLoop]: Abstraction has 161 states and 218 transitions. [2021-10-13 01:21:56,619 INFO L587 BuchiCegarLoop]: Abstraction has 161 states and 218 transitions. [2021-10-13 01:21:56,619 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-13 01:21:56,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 161 states and 218 transitions. [2021-10-13 01:21:56,621 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2021-10-13 01:21:56,621 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:21:56,621 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:21:56,622 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:21:56,622 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:21:56,622 INFO L791 eck$LassoCheckResult]: Stem: 3084#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 3053#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_#t~nondet17, main_#t~nondet18, main_#t~ret19, main_#t~short20, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet15;havoc main_#t~nondet15; 3054#L78 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret12, is_prime_~n;is_prime_~n := is_prime_#in~n; 3092#L53 call is_prime_#t~ret12 := is_prime_(is_prime_~n, is_prime_~n - 1);< 3113#is_prime_ENTRY ~n := #in~n;~m := #in~m; 3129#L58 assume !(~n <= 1); 3126#L61 assume !(2 == ~n); 3127#L64 assume ~n > 2; 3123#L65 assume !(~m <= 1); 3124#L68 call #t~ret13 := multiple_of(~n, ~m);< 3171#multiple_ofENTRY ~n := #in~n;~m := #in~m; 3187#L32 assume !(~m < 0); 3185#L35 assume !(~n < 0); 3182#L38 assume !(0 == ~m); 3181#L41 assume !(0 == ~n); 3078#L44 call #t~ret11 := multiple_of(~n - ~m, ~m);< 3122#multiple_ofENTRY [2021-10-13 01:21:56,623 INFO L793 eck$LassoCheckResult]: Loop: 3122#multiple_ofENTRY ~n := #in~n;~m := #in~m; 3120#L32 assume !(~m < 0); 3117#L35 assume !(~n < 0); 3118#L38 assume !(0 == ~m); 3183#L41 assume !(0 == ~n); 3075#L44 call #t~ret11 := multiple_of(~n - ~m, ~m);< 3122#multiple_ofENTRY [2021-10-13 01:21:56,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:56,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1718912949, now seen corresponding path program 1 times [2021-10-13 01:21:56,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:56,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134806318] [2021-10-13 01:21:56,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:56,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:56,649 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:21:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:56,682 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:21:56,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:56,691 INFO L82 PathProgramCache]: Analyzing trace with hash 893418406, now seen corresponding path program 1 times [2021-10-13 01:21:56,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:56,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712563741] [2021-10-13 01:21:56,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:56,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:56,697 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:21:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:56,704 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:21:56,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:56,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1893667952, now seen corresponding path program 2 times [2021-10-13 01:21:56,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:56,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797184982] [2021-10-13 01:21:56,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:56,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:56,725 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:21:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:56,752 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:21:56,849 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:21:56,849 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:21:56,850 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:21:56,850 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:21:56,850 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 01:21:56,850 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:56,850 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:21:56,850 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:21:56,850 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration7_Loop [2021-10-13 01:21:56,850 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:21:56,850 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:21:56,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:56,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:56,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:56,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:56,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:56,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:56,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:56,941 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:21:56,941 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 01:21:56,941 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:56,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:56,949 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:56,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-13 01:21:56,955 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:56,957 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:56,977 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:21:56,977 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#res=0} Honda state: {multiple_of_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:21:57,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-13 01:21:57,008 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:57,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:57,009 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:57,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-13 01:21:57,011 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:57,011 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:57,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:57,046 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:57,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:57,047 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:57,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-13 01:21:57,048 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 01:21:57,048 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:57,261 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 01:21:57,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-10-13 01:21:57,264 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:21:57,264 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:21:57,265 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:21:57,265 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:21:57,265 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:21:57,265 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:57,265 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:21:57,265 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:21:57,265 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration7_Loop [2021-10-13 01:21:57,265 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:21:57,265 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:21:57,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:57,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:57,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:57,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:57,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:57,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:57,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:57,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:57,440 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:21:57,441 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:21:57,441 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:57,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:57,442 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:57,458 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 [2021-10-13 01:21:57,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-13 01:21:57,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:57,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:57,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:57,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:57,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:57,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:57,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:57,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:21:57,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-10-13 01:21:57,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:57,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:57,519 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:57,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-13 01:21:57,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:57,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:57,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:57,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:57,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:57,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:57,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:57,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:57,544 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:21:57,547 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 01:21:57,548 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 01:21:57,548 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:57,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:57,550 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:57,551 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:21:57,552 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 01:21:57,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-13 01:21:57,552 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:21:57,552 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_#in~n) = 1*multiple_of_#in~n Supporting invariants [] [2021-10-13 01:21:57,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:57,576 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 01:21:57,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:57,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 01:21:57,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:21:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:21:57,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 01:21:57,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:21:57,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:21:57,861 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2021-10-13 01:21:57,861 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 161 states and 218 transitions. cyclomatic complexity: 64 Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:58,015 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 161 states and 218 transitions. cyclomatic complexity: 64. Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 214 states and 288 transitions. Complement of second has 25 states. [2021-10-13 01:21:58,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2021-10-13 01:21:58,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:21:58,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 43 transitions. [2021-10-13 01:21:58,017 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 43 transitions. Stem has 16 letters. Loop has 6 letters. [2021-10-13 01:21:58,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:21:58,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 43 transitions. Stem has 22 letters. Loop has 6 letters. [2021-10-13 01:21:58,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:21:58,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 43 transitions. Stem has 16 letters. Loop has 12 letters. [2021-10-13 01:21:58,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:21:58,019 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 214 states and 288 transitions. [2021-10-13 01:21:58,024 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 48 [2021-10-13 01:21:58,028 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 214 states to 202 states and 274 transitions. [2021-10-13 01:21:58,028 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2021-10-13 01:21:58,029 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 181 [2021-10-13 01:21:58,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 202 states and 274 transitions. [2021-10-13 01:21:58,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:21:58,030 INFO L681 BuchiCegarLoop]: Abstraction has 202 states and 274 transitions. [2021-10-13 01:21:58,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states and 274 transitions. [2021-10-13 01:21:58,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 177. [2021-10-13 01:21:58,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 132 states have (on average 1.2954545454545454) internal successors, (171), 137 states have internal predecessors, (171), 28 states have call successors, (28), 18 states have call predecessors, (28), 17 states have return successors, (41), 21 states have call predecessors, (41), 23 states have call successors, (41) [2021-10-13 01:21:58,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 240 transitions. [2021-10-13 01:21:58,040 INFO L704 BuchiCegarLoop]: Abstraction has 177 states and 240 transitions. [2021-10-13 01:21:58,041 INFO L587 BuchiCegarLoop]: Abstraction has 177 states and 240 transitions. [2021-10-13 01:21:58,041 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-13 01:21:58,041 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 177 states and 240 transitions. [2021-10-13 01:21:58,043 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2021-10-13 01:21:58,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:21:58,044 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:21:58,045 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:21:58,045 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-13 01:21:58,045 INFO L791 eck$LassoCheckResult]: Stem: 3581#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 3547#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_#t~nondet17, main_#t~nondet18, main_#t~ret19, main_#t~short20, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet15;havoc main_#t~nondet15; 3548#L78 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret12, is_prime_~n;is_prime_~n := is_prime_#in~n; 3589#L53 call is_prime_#t~ret12 := is_prime_(is_prime_~n, is_prime_~n - 1);< 3610#is_prime_ENTRY ~n := #in~n;~m := #in~m; 3628#L58 assume !(~n <= 1); 3627#L61 assume 2 == ~n;#res := 1; 3625#is_prime_FINAL assume true; 3616#is_prime_EXIT >#118#return; 3607#L53-1 is_prime_#res := is_prime_#t~ret12;havoc is_prime_#t~ret12; 3540#L53-2 main_#t~ret16 := is_prime_#res;main_~result~0 := main_#t~ret16;havoc main_#t~ret16;main_~f1~0 := main_#t~nondet17;havoc main_#t~nondet17; 3541#L85 assume !(main_~f1~0 < 1 || main_~f1~0 > 46340);main_~f2~0 := main_#t~nondet18;havoc main_#t~nondet18; 3545#L91 assume !(main_~f2~0 < 1 || main_~f2~0 > 46340);main_#t~short20 := 1 == main_~result~0; 3549#L97 assume main_#t~short20; 3550#L97-1 call main_#t~ret19 := mult(main_~f1~0, main_~f2~0);< 3577#multENTRY ~n := #in~n;~m := #in~m; 3578#L18 assume !(~m < 0); 3579#L21 [2021-10-13 01:21:58,045 INFO L793 eck$LassoCheckResult]: Loop: 3579#L21 assume !(0 == ~m); 3556#L24 assume !(1 == ~m); 3559#L27 call #t~ret8 := mult(~n, ~m - 1);< 3565#multENTRY ~n := #in~n;~m := #in~m; 3588#L18 assume !(~m < 0); 3579#L21 [2021-10-13 01:21:58,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:58,046 INFO L82 PathProgramCache]: Analyzing trace with hash 2081524284, now seen corresponding path program 1 times [2021-10-13 01:21:58,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:58,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894232088] [2021-10-13 01:21:58,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:58,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:58,059 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:21:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:58,073 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:21:58,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:58,074 INFO L82 PathProgramCache]: Analyzing trace with hash 61272212, now seen corresponding path program 1 times [2021-10-13 01:21:58,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:58,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020402183] [2021-10-13 01:21:58,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:58,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:58,080 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:21:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:58,083 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:21:58,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:21:58,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1269404473, now seen corresponding path program 1 times [2021-10-13 01:21:58,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:21:58,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563601644] [2021-10-13 01:21:58,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:21:58,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:21:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:58,097 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:21:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:21:58,113 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:21:58,227 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:21:58,227 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:21:58,227 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:21:58,227 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:21:58,227 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 01:21:58,227 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:58,227 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:21:58,227 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:21:58,227 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration8_Loop [2021-10-13 01:21:58,227 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:21:58,228 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:21:58,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:58,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:58,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:58,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:58,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:58,305 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:21:58,305 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 01:21:58,306 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:58,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:58,307 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:58,309 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:21:58,310 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:58,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-13 01:21:58,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:58,385 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:58,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:58,386 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:58,388 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 01:21:58,389 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:21:58,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-13 01:21:59,895 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 01:21:59,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-10-13 01:21:59,899 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:21:59,899 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:21:59,899 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:21:59,899 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:21:59,899 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:21:59,899 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:59,899 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:21:59,899 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:21:59,899 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration8_Loop [2021-10-13 01:21:59,899 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:21:59,899 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:21:59,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:59,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:59,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:59,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:59,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:21:59,967 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:21:59,968 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:21:59,968 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:21:59,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:21:59,969 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:21:59,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-13 01:21:59,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:21:59,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:21:59,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:21:59,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:21:59,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:21:59,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:21:59,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:21:59,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:21:59,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:22:00,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-13 01:22:00,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:22:00,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:22:00,007 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:22:00,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:22:00,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-13 01:22:00,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:22:00,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:22:00,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:22:00,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:22:00,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:22:00,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:22:00,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:22:00,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:22:00,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-10-13 01:22:00,042 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:22:00,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:22:00,043 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:22:00,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-13 01:22:00,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:22:00,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:22:00,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:22:00,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:22:00,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:22:00,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:22:00,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:22:00,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:22:00,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:22:00,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-10-13 01:22:00,105 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:22:00,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:22:00,121 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:22:00,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:22:00,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:22:00,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:22:00,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:22:00,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:22:00,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:22:00,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:22:00,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:22:00,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-13 01:22:00,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:22:00,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-13 01:22:00,189 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:22:00,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:22:00,190 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:22:00,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:22:00,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:22:00,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:22:00,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:22:00,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:22:00,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:22:00,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:22:00,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:22:00,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-13 01:22:00,221 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:22:00,225 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 01:22:00,225 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 01:22:00,225 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:22:00,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:22:00,227 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:22:00,229 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:22:00,229 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 01:22:00,229 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:22:00,229 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_~m) = 1*mult_~m Supporting invariants [] [2021-10-13 01:22:00,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-13 01:22:00,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-13 01:22:00,269 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 01:22:00,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:00,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 01:22:00,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:22:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:00,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 01:22:00,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:22:00,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-13 01:22:00,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-13 01:22:00,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:22:00,671 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2021-10-13 01:22:00,671 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 177 states and 240 transitions. cyclomatic complexity: 71 Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 01:22:00,881 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 177 states and 240 transitions. cyclomatic complexity: 71. Second operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 201 states and 267 transitions. Complement of second has 25 states. [2021-10-13 01:22:00,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2021-10-13 01:22:00,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 01:22:00,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 52 transitions. [2021-10-13 01:22:00,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 17 letters. Loop has 5 letters. [2021-10-13 01:22:00,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:22:00,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 22 letters. Loop has 5 letters. [2021-10-13 01:22:00,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:22:00,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 52 transitions. Stem has 17 letters. Loop has 10 letters. [2021-10-13 01:22:00,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:22:00,883 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 201 states and 267 transitions. [2021-10-13 01:22:00,886 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2021-10-13 01:22:00,890 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 201 states to 200 states and 266 transitions. [2021-10-13 01:22:00,890 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 173 [2021-10-13 01:22:00,891 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 176 [2021-10-13 01:22:00,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 200 states and 266 transitions. [2021-10-13 01:22:00,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:22:00,891 INFO L681 BuchiCegarLoop]: Abstraction has 200 states and 266 transitions. [2021-10-13 01:22:00,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states and 266 transitions. [2021-10-13 01:22:00,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 187. [2021-10-13 01:22:00,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 140 states have (on average 1.292857142857143) internal successors, (181), 145 states have internal predecessors, (181), 30 states have call successors, (30), 20 states have call predecessors, (30), 17 states have return successors, (41), 21 states have call predecessors, (41), 23 states have call successors, (41) [2021-10-13 01:22:00,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 252 transitions. [2021-10-13 01:22:00,899 INFO L704 BuchiCegarLoop]: Abstraction has 187 states and 252 transitions. [2021-10-13 01:22:00,900 INFO L587 BuchiCegarLoop]: Abstraction has 187 states and 252 transitions. [2021-10-13 01:22:00,900 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-13 01:22:00,900 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 187 states and 252 transitions. [2021-10-13 01:22:00,902 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2021-10-13 01:22:00,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:22:00,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:22:00,903 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:22:00,903 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 01:22:00,903 INFO L791 eck$LassoCheckResult]: Stem: 4084#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 4045#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_#t~nondet17, main_#t~nondet18, main_#t~ret19, main_#t~short20, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet15;havoc main_#t~nondet15; 4046#L78 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret12, is_prime_~n;is_prime_~n := is_prime_#in~n; 4092#L53 call is_prime_#t~ret12 := is_prime_(is_prime_~n, is_prime_~n - 1);< 4115#is_prime_ENTRY ~n := #in~n;~m := #in~m; 4127#L58 assume !(~n <= 1); 4125#L61 assume 2 == ~n;#res := 1; 4122#is_prime_FINAL assume true; 4119#is_prime_EXIT >#118#return; 4112#L53-1 is_prime_#res := is_prime_#t~ret12;havoc is_prime_#t~ret12; 4037#L53-2 main_#t~ret16 := is_prime_#res;main_~result~0 := main_#t~ret16;havoc main_#t~ret16;main_~f1~0 := main_#t~nondet17;havoc main_#t~nondet17; 4038#L85 assume !(main_~f1~0 < 1 || main_~f1~0 > 46340);main_~f2~0 := main_#t~nondet18;havoc main_#t~nondet18; 4042#L91 assume !(main_~f2~0 < 1 || main_~f2~0 > 46340);main_#t~short20 := 1 == main_~result~0; 4047#L97 assume main_#t~short20; 4048#L97-1 call main_#t~ret19 := mult(main_~f1~0, main_~f2~0);< 4078#multENTRY ~n := #in~n;~m := #in~m; 4079#L18 assume !(~m < 0); 4080#L21 assume !(0 == ~m); 4054#L24 assume !(1 == ~m); 4056#L27 call #t~ret8 := mult(~n, ~m - 1);< 4082#multENTRY ~n := #in~n;~m := #in~m; 4217#L18 assume ~m < 0; 4064#L19 [2021-10-13 01:22:00,903 INFO L793 eck$LassoCheckResult]: Loop: 4064#L19 call #t~ret7 := mult(~n, -~m);< 4066#multENTRY ~n := #in~n;~m := #in~m; 4091#L18 assume ~m < 0; 4064#L19 [2021-10-13 01:22:00,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:00,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1269404470, now seen corresponding path program 1 times [2021-10-13 01:22:00,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:00,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625003674] [2021-10-13 01:22:00,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:00,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:00,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-10-13 01:22:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:00,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:22:00,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:22:00,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625003674] [2021-10-13 01:22:00,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625003674] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:22:00,944 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:22:00,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 01:22:00,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330182010] [2021-10-13 01:22:00,945 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 01:22:00,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:00,945 INFO L82 PathProgramCache]: Analyzing trace with hash 139155, now seen corresponding path program 2 times [2021-10-13 01:22:00,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:00,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458698079] [2021-10-13 01:22:00,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:00,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:22:00,951 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:22:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:22:00,953 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:22:01,029 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:22:01,029 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:22:01,029 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:22:01,029 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:22:01,029 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 01:22:01,029 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:22:01,030 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:22:01,030 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:22:01,030 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration9_Loop [2021-10-13 01:22:01,030 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:22:01,030 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:22:01,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:22:01,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:22:01,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:22:01,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:22:01,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:22:01,095 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:22:01,095 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 01:22:01,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:22:01,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:22:01,098 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:22:01,101 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:22:01,101 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:22:01,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-13 01:22:01,119 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:22:01,119 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret7=0} Honda state: {mult_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:22:01,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-10-13 01:22:01,141 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:22:01,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:22:01,142 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:22:01,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-13 01:22:01,143 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:22:01,144 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:22:01,153 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:22:01,153 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret8=0} Honda state: {mult_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:22:01,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-13 01:22:01,175 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:22:01,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:22:01,176 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:22:01,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-13 01:22:01,177 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:22:01,177 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:22:01,193 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:22:01,193 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~n=-8, mult_#in~n=-8} Honda state: {mult_~n=-8, mult_#in~n=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:22:01,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-10-13 01:22:01,215 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:22:01,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:22:01,216 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:22:01,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-13 01:22:01,217 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:22:01,218 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:22:01,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-10-13 01:22:01,259 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:22:01,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:22:01,259 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:22:01,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-13 01:22:01,261 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 01:22:01,261 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:22:02,744 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 01:22:02,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-10-13 01:22:02,747 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:22:02,747 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:22:02,747 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:22:02,748 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:22:02,748 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:22:02,748 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:22:02,748 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:22:02,748 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:22:02,748 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration9_Loop [2021-10-13 01:22:02,748 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:22:02,748 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:22:02,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:22:02,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:22:02,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:22:02,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:22:02,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:22:02,808 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:22:02,808 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:22:02,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:22:02,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:22:02,814 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:22:02,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-13 01:22:02,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:22:02,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:22:02,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:22:02,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:22:02,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:22:02,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:22:02,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:22:02,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:22:02,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:22:02,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-10-13 01:22:02,884 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:22:02,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:22:02,885 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:22:02,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-13 01:22:02,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:22:02,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:22:02,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:22:02,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:22:02,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:22:02,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:22:02,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:22:02,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:22:02,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:22:02,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-10-13 01:22:02,921 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:22:02,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:22:02,921 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:22:02,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-13 01:22:02,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:22:02,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:22:02,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:22:02,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:22:02,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:22:02,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:22:02,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:22:02,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:22:02,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:22:02,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-10-13 01:22:02,958 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:22:02,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:22:02,959 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:22:02,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-13 01:22:02,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:22:02,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:22:02,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:22:02,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:22:02,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:22:02,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:22:02,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:22:02,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:22:02,973 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:22:02,975 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-13 01:22:02,975 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 01:22:02,975 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:22:02,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:22:02,976 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:22:02,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-13 01:22:02,978 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:22:02,978 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 01:22:02,978 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:22:02,978 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_~m) = 1*mult_~m Supporting invariants [] [2021-10-13 01:22:03,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-10-13 01:22:03,002 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 01:22:03,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:03,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 01:22:03,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:22:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:03,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 01:22:03,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:22:03,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:22:03,302 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-10-13 01:22:03,302 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 187 states and 252 transitions. cyclomatic complexity: 74 Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 01:22:03,420 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 187 states and 252 transitions. cyclomatic complexity: 74. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 228 states and 298 transitions. Complement of second has 11 states. [2021-10-13 01:22:03,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:22:03,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 01:22:03,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 54 transitions. [2021-10-13 01:22:03,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 22 letters. Loop has 3 letters. [2021-10-13 01:22:03,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:22:03,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 25 letters. Loop has 3 letters. [2021-10-13 01:22:03,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:22:03,424 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 22 letters. Loop has 6 letters. [2021-10-13 01:22:03,424 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:22:03,424 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 228 states and 298 transitions. [2021-10-13 01:22:03,429 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 42 [2021-10-13 01:22:03,433 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 228 states to 218 states and 288 transitions. [2021-10-13 01:22:03,433 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 184 [2021-10-13 01:22:03,434 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 186 [2021-10-13 01:22:03,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 218 states and 288 transitions. [2021-10-13 01:22:03,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:22:03,434 INFO L681 BuchiCegarLoop]: Abstraction has 218 states and 288 transitions. [2021-10-13 01:22:03,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states and 288 transitions. [2021-10-13 01:22:03,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 205. [2021-10-13 01:22:03,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 154 states have (on average 1.2727272727272727) internal successors, (196), 158 states have internal predecessors, (196), 34 states have call successors, (37), 25 states have call predecessors, (37), 17 states have return successors, (41), 21 states have call predecessors, (41), 23 states have call successors, (41) [2021-10-13 01:22:03,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 274 transitions. [2021-10-13 01:22:03,472 INFO L704 BuchiCegarLoop]: Abstraction has 205 states and 274 transitions. [2021-10-13 01:22:03,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:22:03,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:22:03,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:22:03,473 INFO L87 Difference]: Start difference. First operand 205 states and 274 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 01:22:03,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-10-13 01:22:03,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:22:03,522 INFO L93 Difference]: Finished difference Result 201 states and 265 transitions. [2021-10-13 01:22:03,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 01:22:03,523 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 201 states and 265 transitions. [2021-10-13 01:22:03,527 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2021-10-13 01:22:03,530 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 201 states to 145 states and 177 transitions. [2021-10-13 01:22:03,530 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2021-10-13 01:22:03,530 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2021-10-13 01:22:03,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 177 transitions. [2021-10-13 01:22:03,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:22:03,531 INFO L681 BuchiCegarLoop]: Abstraction has 145 states and 177 transitions. [2021-10-13 01:22:03,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 177 transitions. [2021-10-13 01:22:03,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 125. [2021-10-13 01:22:03,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 95 states have (on average 1.1368421052631579) internal successors, (108), 100 states have internal predecessors, (108), 18 states have call successors, (18), 13 states have call predecessors, (18), 12 states have return successors, (28), 11 states have call predecessors, (28), 14 states have call successors, (28) [2021-10-13 01:22:03,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 154 transitions. [2021-10-13 01:22:03,538 INFO L704 BuchiCegarLoop]: Abstraction has 125 states and 154 transitions. [2021-10-13 01:22:03,538 INFO L587 BuchiCegarLoop]: Abstraction has 125 states and 154 transitions. [2021-10-13 01:22:03,539 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-13 01:22:03,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 154 transitions. [2021-10-13 01:22:03,540 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2021-10-13 01:22:03,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:22:03,541 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:22:03,544 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:22:03,544 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-10-13 01:22:03,544 INFO L791 eck$LassoCheckResult]: Stem: 4974#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 4975#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_#t~nondet17, main_#t~nondet18, main_#t~ret19, main_#t~short20, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet15;havoc main_#t~nondet15; 4985#L78 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret12, is_prime_~n;is_prime_~n := is_prime_#in~n; 4978#L53 call is_prime_#t~ret12 := is_prime_(is_prime_~n, is_prime_~n - 1);< 5020#is_prime_ENTRY ~n := #in~n;~m := #in~m; 5037#L58 assume !(~n <= 1); 5036#L61 assume !(2 == ~n); 5035#L64 assume ~n > 2; 5034#L65 assume !(~m <= 1); 5000#L68 call #t~ret13 := multiple_of(~n, ~m);< 5033#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5032#L32 assume !(~m < 0); 5031#L35 assume !(~n < 0); 5030#L38 assume !(0 == ~m); 5029#L41 assume !(0 == ~n); 4983#L44 call #t~ret11 := multiple_of(~n - ~m, ~m);< 5024#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5025#L32 assume !(~m < 0); 5059#L35 assume ~n < 0; 4991#L36 call #t~ret10 := multiple_of(-~n, ~m);< 5027#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5028#L32 assume !(~m < 0); 5050#L35 assume !(~n < 0); 5049#L38 assume !(0 == ~m); 5048#L41 assume !(0 == ~n); 5013#L44 [2021-10-13 01:22:03,545 INFO L793 eck$LassoCheckResult]: Loop: 5013#L44 call #t~ret11 := multiple_of(~n - ~m, ~m);< 5054#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5053#L32 assume !(~m < 0); 5051#L35 assume ~n < 0; 4987#L36 call #t~ret10 := multiple_of(-~n, ~m);< 4988#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5058#L32 assume !(~m < 0); 5055#L35 assume !(~n < 0); 5056#L38 assume !(0 == ~m); 5046#L41 assume !(0 == ~n); 5013#L44 [2021-10-13 01:22:03,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:03,547 INFO L82 PathProgramCache]: Analyzing trace with hash -155061355, now seen corresponding path program 1 times [2021-10-13 01:22:03,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:03,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343831100] [2021-10-13 01:22:03,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:03,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:03,636 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:22:03,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:22:03,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343831100] [2021-10-13 01:22:03,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343831100] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:22:03,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713454973] [2021-10-13 01:22:03,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:03,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 01:22:03,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:22:03,639 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 01:22:03,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Waiting until timeout for monitored process [2021-10-13 01:22:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:22:03,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 01:22:03,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:22:03,869 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:22:03,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713454973] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 01:22:03,869 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 01:22:03,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2021-10-13 01:22:03,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128939152] [2021-10-13 01:22:03,871 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 01:22:03,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:03,871 INFO L82 PathProgramCache]: Analyzing trace with hash -2044787022, now seen corresponding path program 1 times [2021-10-13 01:22:03,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:03,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603563029] [2021-10-13 01:22:03,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:03,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:22:03,883 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:22:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:22:03,891 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:22:04,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:22:04,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 01:22:04,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-13 01:22:04,195 INFO L87 Difference]: Start difference. First operand 125 states and 154 transitions. cyclomatic complexity: 35 Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 5 states have internal predecessors, (21), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:22:04,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:22:04,319 INFO L93 Difference]: Finished difference Result 147 states and 183 transitions. [2021-10-13 01:22:04,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 01:22:04,320 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 147 states and 183 transitions. [2021-10-13 01:22:04,323 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2021-10-13 01:22:04,326 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 147 states to 145 states and 181 transitions. [2021-10-13 01:22:04,326 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 130 [2021-10-13 01:22:04,326 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 130 [2021-10-13 01:22:04,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 181 transitions. [2021-10-13 01:22:04,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:22:04,327 INFO L681 BuchiCegarLoop]: Abstraction has 145 states and 181 transitions. [2021-10-13 01:22:04,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 181 transitions. [2021-10-13 01:22:04,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2021-10-13 01:22:04,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 110 states have (on average 1.1090909090909091) internal successors, (122), 114 states have internal predecessors, (122), 20 states have call successors, (20), 15 states have call predecessors, (20), 13 states have return successors, (31), 13 states have call predecessors, (31), 17 states have call successors, (31) [2021-10-13 01:22:04,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 173 transitions. [2021-10-13 01:22:04,334 INFO L704 BuchiCegarLoop]: Abstraction has 143 states and 173 transitions. [2021-10-13 01:22:04,334 INFO L587 BuchiCegarLoop]: Abstraction has 143 states and 173 transitions. [2021-10-13 01:22:04,335 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-13 01:22:04,335 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 143 states and 173 transitions. [2021-10-13 01:22:04,336 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 36 [2021-10-13 01:22:04,337 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:22:04,337 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:22:04,338 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:22:04,338 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-10-13 01:22:04,338 INFO L791 eck$LassoCheckResult]: Stem: 5334#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 5335#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~ret16, main_#t~nondet17, main_#t~nondet18, main_#t~ret19, main_#t~short20, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet15;havoc main_#t~nondet15; 5356#L78 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret12, is_prime_~n;is_prime_~n := is_prime_#in~n; 5347#L53 call is_prime_#t~ret12 := is_prime_(is_prime_~n, is_prime_~n - 1);< 5385#is_prime_ENTRY ~n := #in~n;~m := #in~m; 5405#L58 assume !(~n <= 1); 5404#L61 assume !(2 == ~n); 5403#L64 assume ~n > 2; 5402#L65 assume !(~m <= 1); 5396#L68 call #t~ret13 := multiple_of(~n, ~m);< 5401#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5400#L32 assume !(~m < 0); 5399#L35 assume !(~n < 0); 5398#L38 assume !(0 == ~m); 5397#L41 assume !(0 == ~n); 5354#L44 call #t~ret11 := multiple_of(~n - ~m, ~m);< 5395#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5365#L32 assume !(~m < 0); 5366#L35 assume !(~n < 0); 5353#L38 assume !(0 == ~m); 5355#L41 assume !(0 == ~n); 5343#L44 call #t~ret11 := multiple_of(~n - ~m, ~m);< 5374#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5375#L32 assume !(~m < 0); 5438#L35 assume ~n < 0; 5359#L36 call #t~ret10 := multiple_of(-~n, ~m);< 5391#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5392#L32 assume !(~m < 0); 5472#L35 assume !(~n < 0); 5471#L38 assume !(0 == ~m); 5470#L41 assume !(0 == ~n); 5338#L44 [2021-10-13 01:22:04,339 INFO L793 eck$LassoCheckResult]: Loop: 5338#L44 call #t~ret11 := multiple_of(~n - ~m, ~m);< 5381#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5476#L32 assume !(~m < 0); 5473#L35 assume ~n < 0; 5351#L36 call #t~ret10 := multiple_of(-~n, ~m);< 5357#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5373#L32 assume !(~m < 0); 5475#L35 assume !(~n < 0); 5349#L38 assume !(0 == ~m); 5352#L41 assume !(0 == ~n); 5338#L44 [2021-10-13 01:22:04,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:04,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1134874352, now seen corresponding path program 2 times [2021-10-13 01:22:04,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:04,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990036045] [2021-10-13 01:22:04,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:04,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:22:04,353 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:22:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:22:04,376 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:22:04,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:04,381 INFO L82 PathProgramCache]: Analyzing trace with hash -2044787022, now seen corresponding path program 2 times [2021-10-13 01:22:04,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:04,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206500341] [2021-10-13 01:22:04,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:04,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:22:04,388 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:22:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:22:04,399 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:22:04,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:22:04,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1280798977, now seen corresponding path program 3 times [2021-10-13 01:22:04,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:22:04,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294329930] [2021-10-13 01:22:04,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:22:04,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:22:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:22:04,417 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:22:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:22:04,450 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:22:06,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:22:06 BoogieIcfgContainer [2021-10-13 01:22:06,216 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:22:06,216 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:22:06,216 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:22:06,217 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:22:06,217 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:21:44" (3/4) ... [2021-10-13 01:22:06,220 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 01:22:06,256 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:22:06,256 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:22:06,258 INFO L168 Benchmark]: Toolchain (without parser) took 22891.48 ms. Allocated memory was 92.3 MB in the beginning and 159.4 MB in the end (delta: 67.1 MB). Free memory was 56.9 MB in the beginning and 99.4 MB in the end (delta: -42.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. [2021-10-13 01:22:06,258 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 92.3 MB. Free memory was 64.1 MB in the beginning and 64.0 MB in the end (delta: 24.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:22:06,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.38 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 56.6 MB in the beginning and 103.1 MB in the end (delta: -46.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:22:06,259 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.08 ms. Allocated memory is still 127.9 MB. Free memory was 103.1 MB in the beginning and 101.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:22:06,260 INFO L168 Benchmark]: Boogie Preprocessor took 53.33 ms. Allocated memory is still 127.9 MB. Free memory was 101.3 MB in the beginning and 100.4 MB in the end (delta: 878.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:22:06,260 INFO L168 Benchmark]: RCFGBuilder took 564.91 ms. Allocated memory is still 127.9 MB. Free memory was 100.4 MB in the beginning and 88.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:22:06,261 INFO L168 Benchmark]: BuchiAutomizer took 21758.58 ms. Allocated memory was 127.9 MB in the beginning and 159.4 MB in the end (delta: 31.5 MB). Free memory was 88.4 MB in the beginning and 101.4 MB in the end (delta: -13.0 MB). Peak memory consumption was 101.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:22:06,261 INFO L168 Benchmark]: Witness Printer took 39.93 ms. Allocated memory is still 159.4 MB. Free memory was 101.4 MB in the beginning and 99.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:22:06,264 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 92.3 MB. Free memory was 64.1 MB in the beginning and 64.0 MB in the end (delta: 24.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 403.38 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 56.6 MB in the beginning and 103.1 MB in the end (delta: -46.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.08 ms. Allocated memory is still 127.9 MB. Free memory was 103.1 MB in the beginning and 101.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.33 ms. Allocated memory is still 127.9 MB. Free memory was 101.3 MB in the beginning and 100.4 MB in the end (delta: 878.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 564.91 ms. Allocated memory is still 127.9 MB. Free memory was 100.4 MB in the beginning and 88.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 21758.58 ms. Allocated memory was 127.9 MB in the beginning and 159.4 MB in the end (delta: 31.5 MB). Free memory was 88.4 MB in the beginning and 101.4 MB in the end (delta: -13.0 MB). Peak memory consumption was 101.2 MB. Max. memory is 16.1 GB. * Witness Printer took 39.93 ms. Allocated memory is still 159.4 MB. Free memory was 101.4 MB in the beginning and 99.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 15 terminating modules (8 trivial, 7 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function \old(m) and consists of 13 locations. One deterministic module has affine ranking function m and consists of 5 locations. One deterministic module has affine ranking function -1 * \old(m) and consists of 5 locations. One deterministic module has affine ranking function -1 * \old(n) and consists of 4 locations. One deterministic module has affine ranking function \old(n) and consists of 7 locations. One deterministic module has affine ranking function m and consists of 8 locations. One deterministic module has affine ranking function m and consists of 5 locations. 8 modules have a trivial ranking function, the largest among these consists of 10 locations. The remainder module has 143 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 21.6s and 11 iterations. TraceHistogramMax:4. Analysis of lassos took 16.4s. Construction of modules took 0.9s. Büchi inclusion checks took 3.5s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 11. Automata minimization 251.3ms AutomataMinimizationTime, 15 MinimizatonAttempts, 265 StatesRemovedByMinimization, 14 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 187 states and ocurred in iteration 8. Nontrivial modules had stage [7, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/7 HoareTripleCheckerStatistics: 661 SDtfs, 664 SDslu, 1255 SDs, 0 SdLazy, 908 SolverSat, 206 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 967.6ms Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT2 conc0 concLT1 SILN1 SILU0 SILI0 SILT4 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax100 hnf100 lsp78 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq173 hnf92 smp90 dnf100 smp100 tf109 neg98 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 23 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 7 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 6.7s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 44]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=9945} State at position 1 is {n=0, NULL=9946, NULL=0, NULL=9948, \result=0, NULL=9945, f1=0, m=0, n=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ef9ec10=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c2ebf88=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2367a24d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4af7e8cd=0, NULL=0, result=0, f2=0, m=2, n=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@7a807f5a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1fdbfaa3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3eff7ff8=0, \result=0, NULL=9948, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e774322=0, NULL=0, NULL=0, NULL=0, NULL=9947, NULL=9947, \old(n)=1, \old(m)=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@fb074f7=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ea5fad9=0, n=0, NULL=9946, NULL=0, NULL=0, \old(n)=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35c186ea=0, \result=0, \old(m)=0, \old(n)=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ac13cb5=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 44]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L77] int n = __VERIFIER_nondet_int(); [L78] COND FALSE !(n < 1 || n > 46340) [L53] CALL is_prime_(n, n - 1) [L58] COND FALSE !(n <= 1) [L61] COND FALSE !(n == 2) [L64] COND TRUE n > 2 [L65] COND FALSE !(m <= 1) [L68] CALL multiple_of(n, m) [L32] COND FALSE !(m < 0) [L35] COND FALSE !(n < 0) [L38] COND FALSE !(m == 0) [L41] COND FALSE !(n == 0) [L44] CALL multiple_of(n - m, m) [L32] COND FALSE !(m < 0) [L35] COND FALSE !(n < 0) [L38] COND FALSE !(m == 0) [L41] COND FALSE !(n == 0) [L44] CALL multiple_of(n - m, m) [L32] COND FALSE !(m < 0) [L35] COND TRUE n < 0 [L36] CALL multiple_of(-n, m) [L32] COND FALSE !(m < 0) [L35] COND FALSE !(n < 0) [L38] COND FALSE !(m == 0) [L41] COND FALSE !(n == 0) Loop: [L44] CALL multiple_of(n - m, m) [L32] COND FALSE !(m < 0) [L35] COND TRUE n < 0 [L36] CALL multiple_of(-n, m) [L32] COND FALSE !(m < 0) [L35] COND FALSE !(n < 0) [L38] COND FALSE !(m == 0) [L41] COND FALSE !(n == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 01:22:06,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Ended with exit code 0 [2021-10-13 01:22:06,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:22:06,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_990f13cb-848a-4b97-a846-d777beaa28aa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...