./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 678e0110 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/recursive/Primes.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 82151ec4435da78821025b3100fe51201edc8f02 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-678e011 [2019-11-19 22:30:32,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:30:32,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:30:32,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:30:32,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:30:32,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:30:32,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:30:32,384 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:30:32,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:30:32,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:30:32,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:30:32,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:30:32,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:30:32,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:30:32,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:30:32,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:30:32,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:30:32,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:30:32,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:30:32,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:30:32,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:30:32,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:30:32,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:30:32,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:30:32,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:30:32,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:30:32,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:30:32,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:30:32,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:30:32,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:30:32,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:30:32,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:30:32,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:30:32,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:30:32,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:30:32,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:30:32,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:30:32,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:30:32,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:30:32,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:30:32,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:30:32,428 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 22:30:32,444 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:30:32,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:30:32,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:30:32,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:30:32,446 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:30:32,446 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:30:32,446 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:30:32,446 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:30:32,447 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:30:32,447 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:30:32,447 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:30:32,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:30:32,448 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:30:32,448 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:30:32,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:30:32,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:30:32,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:30:32,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:30:32,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:30:32,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:30:32,449 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:30:32,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:30:32,450 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:30:32,450 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:30:32,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:30:32,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:30:32,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:30:32,451 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:30:32,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:30:32,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:30:32,452 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:30:32,453 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:30:32,453 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 82151ec4435da78821025b3100fe51201edc8f02 [2019-11-19 22:30:32,799 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:30:32,818 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:30:32,822 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:30:32,823 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:30:32,824 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:30:32,824 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Primes.c [2019-11-19 22:30:32,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d215c5a1/d2348e7428154cb1a7192d87e1e557c8/FLAG2f07981eb [2019-11-19 22:30:33,363 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:30:33,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Primes.c [2019-11-19 22:30:33,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d215c5a1/d2348e7428154cb1a7192d87e1e557c8/FLAG2f07981eb [2019-11-19 22:30:33,720 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d215c5a1/d2348e7428154cb1a7192d87e1e557c8 [2019-11-19 22:30:33,723 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:30:33,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:30:33,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:30:33,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:30:33,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:30:33,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:30:33" (1/1) ... [2019-11-19 22:30:33,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5653d971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:33, skipping insertion in model container [2019-11-19 22:30:33,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:30:33" (1/1) ... [2019-11-19 22:30:33,740 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:30:33,760 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:30:33,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:30:33,960 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:30:33,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:30:33,994 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:30:33,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:33 WrapperNode [2019-11-19 22:30:33,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:30:33,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:30:33,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:30:33,996 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:30:34,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:33" (1/1) ... [2019-11-19 22:30:34,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:33" (1/1) ... [2019-11-19 22:30:34,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:30:34,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:30:34,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:30:34,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:30:34,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:33" (1/1) ... [2019-11-19 22:30:34,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:33" (1/1) ... [2019-11-19 22:30:34,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:33" (1/1) ... [2019-11-19 22:30:34,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:33" (1/1) ... [2019-11-19 22:30:34,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:33" (1/1) ... [2019-11-19 22:30:34,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:33" (1/1) ... [2019-11-19 22:30:34,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:33" (1/1) ... [2019-11-19 22:30:34,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:30:34,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:30:34,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:30:34,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:30:34,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:34,179 INFO L130 BoogieDeclarations]: Found specification of procedure multiple_of [2019-11-19 22:30:34,179 INFO L138 BoogieDeclarations]: Found implementation of procedure multiple_of [2019-11-19 22:30:34,179 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2019-11-19 22:30:34,179 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2019-11-19 22:30:34,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:30:34,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:30:34,180 INFO L130 BoogieDeclarations]: Found specification of procedure is_prime_ [2019-11-19 22:30:34,180 INFO L138 BoogieDeclarations]: Found implementation of procedure is_prime_ [2019-11-19 22:30:34,510 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:30:34,511 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-19 22:30:34,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:30:34 BoogieIcfgContainer [2019-11-19 22:30:34,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:30:34,512 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:30:34,513 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:30:34,515 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:30:34,516 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:30:34,516 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:30:33" (1/3) ... [2019-11-19 22:30:34,517 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3935920b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:30:34, skipping insertion in model container [2019-11-19 22:30:34,517 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:30:34,517 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:33" (2/3) ... [2019-11-19 22:30:34,518 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3935920b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:30:34, skipping insertion in model container [2019-11-19 22:30:34,518 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:30:34,518 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:30:34" (3/3) ... [2019-11-19 22:30:34,519 INFO L371 chiAutomizerObserver]: Analyzing ICFG Primes.c [2019-11-19 22:30:34,563 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:30:34,563 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:30:34,563 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:30:34,563 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:30:34,563 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:30:34,563 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:30:34,563 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:30:34,564 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:30:34,577 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states. [2019-11-19 22:30:34,604 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2019-11-19 22:30:34,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:30:34,605 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:30:34,612 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-19 22:30:34,612 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:30:34,612 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:30:34,612 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states. [2019-11-19 22:30:34,617 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2019-11-19 22:30:34,617 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:30:34,617 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:30:34,618 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-19 22:30:34,618 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:30:34,625 INFO L794 eck$LassoCheckResult]: Stem: 29#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet8, main_#t~ret9, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_#t~short13, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet8;havoc main_#t~nondet8; 13#L76true assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret5, is_prime_~n;is_prime_~n := is_prime_#in~n; 10#L51true call is_prime_#t~ret5 := is_prime_(is_prime_~n, is_prime_~n - 1);< 12#is_prime_ENTRYtrue [2019-11-19 22:30:34,626 INFO L796 eck$LassoCheckResult]: Loop: 12#is_prime_ENTRYtrue ~n := #in~n;~m := #in~m; 41#L56true assume !(~n <= 1); 35#L59true assume !(2 == ~n); 25#L62true assume ~n > 2; 39#L63true assume !(~m <= 1); 32#L66true call #t~ret6 := multiple_of(~n, ~m);< 51#multiple_ofENTRYtrue ~n := #in~n;~m := #in~m; 31#L30true assume !(~m < 0); 24#L33true assume !(~n < 0); 37#L36true assume 0 == ~m;#res := 0; 27#multiple_ofFINALtrue assume true; 46#multiple_ofEXITtrue >#121#return; 30#L66-1true assume !(0 == #t~ret6);havoc #t~ret6; 23#L69true call #t~ret7 := is_prime_(~n, ~m - 1);< 12#is_prime_ENTRYtrue [2019-11-19 22:30:34,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:34,631 INFO L82 PathProgramCache]: Analyzing trace with hash 72718, now seen corresponding path program 1 times [2019-11-19 22:30:34,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:34,638 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152111958] [2019-11-19 22:30:34,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:34,731 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:34,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:34,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1613119264, now seen corresponding path program 1 times [2019-11-19 22:30:34,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:34,733 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680980215] [2019-11-19 22:30:34,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:34,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:30:34,848 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680980215] [2019-11-19 22:30:34,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:30:34,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 22:30:34,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570765221] [2019-11-19 22:30:34,856 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 22:30:34,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:30:34,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 22:30:34,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 22:30:34,871 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 5 states. [2019-11-19 22:30:35,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:30:35,004 INFO L93 Difference]: Finished difference Result 55 states and 79 transitions. [2019-11-19 22:30:35,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 22:30:35,007 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 79 transitions. [2019-11-19 22:30:35,012 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2019-11-19 22:30:35,020 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 40 states and 53 transitions. [2019-11-19 22:30:35,021 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2019-11-19 22:30:35,022 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2019-11-19 22:30:35,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 53 transitions. [2019-11-19 22:30:35,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:30:35,025 INFO L688 BuchiCegarLoop]: Abstraction has 40 states and 53 transitions. [2019-11-19 22:30:35,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 53 transitions. [2019-11-19 22:30:35,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 38. [2019-11-19 22:30:35,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-19 22:30:35,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 50 transitions. [2019-11-19 22:30:35,060 INFO L711 BuchiCegarLoop]: Abstraction has 38 states and 50 transitions. [2019-11-19 22:30:35,060 INFO L591 BuchiCegarLoop]: Abstraction has 38 states and 50 transitions. [2019-11-19 22:30:35,061 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:30:35,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 50 transitions. [2019-11-19 22:30:35,063 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2019-11-19 22:30:35,063 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:30:35,063 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:30:35,064 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-19 22:30:35,064 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:30:35,064 INFO L794 eck$LassoCheckResult]: Stem: 158#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet8, main_#t~ret9, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_#t~short13, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet8;havoc main_#t~nondet8; 149#L76 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret5, is_prime_~n;is_prime_~n := is_prime_#in~n; 138#L51 call is_prime_#t~ret5 := is_prime_(is_prime_~n, is_prime_~n - 1);< 146#is_prime_ENTRY [2019-11-19 22:30:35,065 INFO L796 eck$LassoCheckResult]: Loop: 146#is_prime_ENTRY ~n := #in~n;~m := #in~m; 147#L56 assume !(~n <= 1); 137#L59 assume !(2 == ~n); 141#L62 assume ~n > 2; 148#L63 assume !(~m <= 1); 124#L66 call #t~ret6 := multiple_of(~n, ~m);< 134#multiple_ofENTRY ~n := #in~n;~m := #in~m; 159#L30 assume !(~m < 0); 155#L33 assume !(~n < 0); 144#L36 assume !(0 == ~m); 145#L39 assume 0 == ~n;#res := 1; 128#multiple_ofFINAL assume true; 156#multiple_ofEXIT >#121#return; 157#L66-1 assume !(0 == #t~ret6);havoc #t~ret6; 139#L69 call #t~ret7 := is_prime_(~n, ~m - 1);< 146#is_prime_ENTRY [2019-11-19 22:30:35,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:35,065 INFO L82 PathProgramCache]: Analyzing trace with hash 72718, now seen corresponding path program 2 times [2019-11-19 22:30:35,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:35,066 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367582997] [2019-11-19 22:30:35,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:35,078 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:35,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:35,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1554944608, now seen corresponding path program 1 times [2019-11-19 22:30:35,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:35,080 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241356319] [2019-11-19 22:30:35,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:35,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:30:35,153 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241356319] [2019-11-19 22:30:35,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:30:35,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 22:30:35,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448572869] [2019-11-19 22:30:35,154 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 22:30:35,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:30:35,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 22:30:35,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 22:30:35,156 INFO L87 Difference]: Start difference. First operand 38 states and 50 transitions. cyclomatic complexity: 15 Second operand 5 states. [2019-11-19 22:30:35,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:30:35,246 INFO L93 Difference]: Finished difference Result 42 states and 56 transitions. [2019-11-19 22:30:35,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 22:30:35,248 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 56 transitions. [2019-11-19 22:30:35,250 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2019-11-19 22:30:35,252 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 42 states and 56 transitions. [2019-11-19 22:30:35,253 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2019-11-19 22:30:35,253 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2019-11-19 22:30:35,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 56 transitions. [2019-11-19 22:30:35,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:30:35,254 INFO L688 BuchiCegarLoop]: Abstraction has 42 states and 56 transitions. [2019-11-19 22:30:35,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 56 transitions. [2019-11-19 22:30:35,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2019-11-19 22:30:35,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-19 22:30:35,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 53 transitions. [2019-11-19 22:30:35,261 INFO L711 BuchiCegarLoop]: Abstraction has 40 states and 53 transitions. [2019-11-19 22:30:35,261 INFO L591 BuchiCegarLoop]: Abstraction has 40 states and 53 transitions. [2019-11-19 22:30:35,261 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 22:30:35,261 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 53 transitions. [2019-11-19 22:30:35,262 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2019-11-19 22:30:35,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:30:35,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:30:35,264 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-19 22:30:35,264 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:30:35,264 INFO L794 eck$LassoCheckResult]: Stem: 255#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet8, main_#t~ret9, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_#t~short13, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet8;havoc main_#t~nondet8; 246#L76 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret5, is_prime_~n;is_prime_~n := is_prime_#in~n; 235#L51 call is_prime_#t~ret5 := is_prime_(is_prime_~n, is_prime_~n - 1);< 243#is_prime_ENTRY [2019-11-19 22:30:35,265 INFO L796 eck$LassoCheckResult]: Loop: 243#is_prime_ENTRY ~n := #in~n;~m := #in~m; 244#L56 assume !(~n <= 1); 234#L59 assume !(2 == ~n); 238#L62 assume ~n > 2; 245#L63 assume !(~m <= 1); 223#L66 call #t~ret6 := multiple_of(~n, ~m);< 231#multiple_ofENTRY ~n := #in~n;~m := #in~m; 257#L30 assume !(~m < 0); 253#L33 assume !(~n < 0); 241#L36 assume !(0 == ~m); 242#L39 assume !(0 == ~n); 224#L42 call #t~ret4 := multiple_of(~n - ~m, ~m);< 231#multiple_ofENTRY ~n := #in~n;~m := #in~m; 257#L30 assume !(~m < 0); 253#L33 assume !(~n < 0); 241#L36 assume !(0 == ~m); 242#L39 assume 0 == ~n;#res := 1; 225#multiple_ofFINAL assume true; 254#multiple_ofEXIT >#111#return; 247#L42-1 #res := #t~ret4;havoc #t~ret4; 248#multiple_ofFINAL assume true; 259#multiple_ofEXIT >#121#return; 256#L66-1 assume !(0 == #t~ret6);havoc #t~ret6; 236#L69 call #t~ret7 := is_prime_(~n, ~m - 1);< 243#is_prime_ENTRY [2019-11-19 22:30:35,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:35,265 INFO L82 PathProgramCache]: Analyzing trace with hash 72718, now seen corresponding path program 3 times [2019-11-19 22:30:35,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:35,266 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632437718] [2019-11-19 22:30:35,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:35,276 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:35,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:35,277 INFO L82 PathProgramCache]: Analyzing trace with hash 326750000, now seen corresponding path program 1 times [2019-11-19 22:30:35,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:35,277 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075749776] [2019-11-19 22:30:35,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:35,336 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:35,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:35,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1599788093, now seen corresponding path program 1 times [2019-11-19 22:30:35,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:35,339 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598736061] [2019-11-19 22:30:35,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:35,504 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 22:30:35,504 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598736061] [2019-11-19 22:30:35,505 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539686283] [2019-11-19 22:30:35,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 22:30:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:35,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-19 22:30:35,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:30:35,657 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 22:30:35,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 22:30:35,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2019-11-19 22:30:35,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183531645] [2019-11-19 22:30:36,031 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:30:36,032 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:30:36,033 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:30:36,033 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:30:36,033 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:30:36,033 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:36,034 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:30:36,034 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:30:36,034 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration3_Loop [2019-11-19 22:30:36,034 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:30:36,035 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:30:36,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:36,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:36,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:36,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:36,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:36,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:36,148 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:30:36,149 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:36,159 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:36,159 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:36,168 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:36,169 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__~n=0} Honda state: {is_prime__~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:36,193 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:36,193 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:36,198 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:36,198 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__~m=0} Honda state: {is_prime__~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:36,216 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:36,216 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:36,223 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:36,223 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__#t~ret6=0} Honda state: {is_prime__#t~ret6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:36,260 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:36,261 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:30:36,264 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:36,265 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {is_prime__#t~ret7=0} Honda state: {is_prime__#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:36,278 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:36,278 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:36,296 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:30:36,296 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:30:36,437 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:30:36,439 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:30:36,440 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:30:36,440 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:30:36,440 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:30:36,440 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:30:36,440 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:36,440 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:30:36,441 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:30:36,441 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration3_Loop [2019-11-19 22:30:36,441 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:30:36,442 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:30:36,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:36,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:36,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:36,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:36,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:36,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:36,528 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:30:36,534 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:36,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:36,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:36,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:36,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:36,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:36,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:36,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:36,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:36,555 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:36,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:36,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:36,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:36,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:36,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:36,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:36,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:36,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:36,575 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:36,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:36,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:36,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:36,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:36,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:36,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:36,594 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:36,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:30:36,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:36,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:36,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:36,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:36,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:36,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:36,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:36,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:36,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:30:36,632 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:30:36,641 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-19 22:30:36,641 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:36,655 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:30:36,656 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 22:30:36,656 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:30:36,657 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(is_prime__#in~m) = 1*is_prime__#in~m Supporting invariants [] [2019-11-19 22:30:36,661 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-19 22:30:36,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:36,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 22:30:36,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:30:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:36,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-19 22:30:36,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:30:36,873 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 22:30:36,878 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 [2019-11-19 22:30:36,879 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 53 transitions. cyclomatic complexity: 16 Second operand 10 states. [2019-11-19 22:30:37,372 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 53 transitions. cyclomatic complexity: 16. Second operand 10 states. Result 174 states and 238 transitions. Complement of second has 40 states. [2019-11-19 22:30:37,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2019-11-19 22:30:37,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-19 22:30:37,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 44 transitions. [2019-11-19 22:30:37,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 44 transitions. Stem has 3 letters. Loop has 24 letters. [2019-11-19 22:30:37,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:37,379 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 44 transitions. Stem has 27 letters. Loop has 24 letters. [2019-11-19 22:30:37,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:37,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 44 transitions. Stem has 3 letters. Loop has 48 letters. [2019-11-19 22:30:37,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:37,381 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 174 states and 238 transitions. [2019-11-19 22:30:37,387 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 22 [2019-11-19 22:30:37,393 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 174 states to 150 states and 200 transitions. [2019-11-19 22:30:37,393 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 89 [2019-11-19 22:30:37,394 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 91 [2019-11-19 22:30:37,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 150 states and 200 transitions. [2019-11-19 22:30:37,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:30:37,396 INFO L688 BuchiCegarLoop]: Abstraction has 150 states and 200 transitions. [2019-11-19 22:30:37,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states and 200 transitions. [2019-11-19 22:30:37,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 107. [2019-11-19 22:30:37,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-19 22:30:37,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 138 transitions. [2019-11-19 22:30:37,411 INFO L711 BuchiCegarLoop]: Abstraction has 107 states and 138 transitions. [2019-11-19 22:30:37,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:30:37,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-19 22:30:37,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-19 22:30:37,412 INFO L87 Difference]: Start difference. First operand 107 states and 138 transitions. Second operand 10 states. [2019-11-19 22:30:37,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:30:37,636 INFO L93 Difference]: Finished difference Result 145 states and 192 transitions. [2019-11-19 22:30:37,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 22:30:37,638 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 145 states and 192 transitions. [2019-11-19 22:30:37,646 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 21 [2019-11-19 22:30:37,652 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 145 states to 139 states and 184 transitions. [2019-11-19 22:30:37,654 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 84 [2019-11-19 22:30:37,655 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 84 [2019-11-19 22:30:37,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 184 transitions. [2019-11-19 22:30:37,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:30:37,655 INFO L688 BuchiCegarLoop]: Abstraction has 139 states and 184 transitions. [2019-11-19 22:30:37,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 184 transitions. [2019-11-19 22:30:37,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 111. [2019-11-19 22:30:37,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-19 22:30:37,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 144 transitions. [2019-11-19 22:30:37,678 INFO L711 BuchiCegarLoop]: Abstraction has 111 states and 144 transitions. [2019-11-19 22:30:37,678 INFO L591 BuchiCegarLoop]: Abstraction has 111 states and 144 transitions. [2019-11-19 22:30:37,678 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-19 22:30:37,678 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 111 states and 144 transitions. [2019-11-19 22:30:37,679 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 21 [2019-11-19 22:30:37,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:30:37,680 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:30:37,682 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:30:37,682 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:30:37,683 INFO L794 eck$LassoCheckResult]: Stem: 1023#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet8, main_#t~ret9, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_#t~short13, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet8;havoc main_#t~nondet8; 1002#L76 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret5, is_prime_~n;is_prime_~n := is_prime_#in~n; 979#L51 call is_prime_#t~ret5 := is_prime_(is_prime_~n, is_prime_~n - 1);< 994#is_prime_ENTRY ~n := #in~n;~m := #in~m; 996#L56 assume !(~n <= 1); 978#L59 assume !(2 == ~n); 981#L62 assume ~n > 2; 999#L63 assume !(~m <= 1); 972#L66 call #t~ret6 := multiple_of(~n, ~m);< 1031#multiple_ofENTRY ~n := #in~n;~m := #in~m; 1059#L30 assume ~m < 0; 1006#L31 [2019-11-19 22:30:37,683 INFO L796 eck$LassoCheckResult]: Loop: 1006#L31 call #t~ret2 := multiple_of(~n, -~m);< 1010#multiple_ofENTRY ~n := #in~n;~m := #in~m; 1027#L30 assume ~m < 0; 1006#L31 [2019-11-19 22:30:37,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:37,683 INFO L82 PathProgramCache]: Analyzing trace with hash 313603312, now seen corresponding path program 1 times [2019-11-19 22:30:37,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:37,684 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379847067] [2019-11-19 22:30:37,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:37,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:30:37,746 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379847067] [2019-11-19 22:30:37,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:30:37,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 22:30:37,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742235275] [2019-11-19 22:30:37,747 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 22:30:37,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:37,749 INFO L82 PathProgramCache]: Analyzing trace with hash 131660, now seen corresponding path program 1 times [2019-11-19 22:30:37,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:37,749 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281229726] [2019-11-19 22:30:37,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:37,763 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:37,817 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:30:37,817 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:30:37,818 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:30:37,818 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:30:37,818 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:30:37,818 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:37,818 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:30:37,818 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:30:37,818 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration4_Loop [2019-11-19 22:30:37,818 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:30:37,819 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:30:37,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:37,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:37,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:37,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:37,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:37,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:37,882 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:30:37,882 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:37,904 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:37,904 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:37,911 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:37,912 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret4=0} Honda state: {multiple_of_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:37,928 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:37,928 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:37,933 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:37,933 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_~n=0, multiple_of_#in~n=0} Honda state: {multiple_of_~n=0, multiple_of_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:37,941 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:37,941 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:37,946 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:37,946 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret2=0} Honda state: {multiple_of_#t~ret2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:37,964 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:37,964 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:37,970 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:37,970 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret3=0} Honda state: {multiple_of_#t~ret3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:37,988 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:37,989 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:38,008 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:30:38,009 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:30:39,360 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:30:39,362 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:30:39,362 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:30:39,362 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:30:39,362 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:30:39,363 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:30:39,363 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:39,363 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:30:39,363 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:30:39,363 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration4_Loop [2019-11-19 22:30:39,363 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:30:39,363 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:30:39,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:39,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:39,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:39,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:39,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:39,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:39,429 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:30:39,429 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:39,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:39,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:39,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:39,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:39,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:39,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:39,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:39,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:39,451 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:39,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:39,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:39,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:39,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:39,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:39,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:39,469 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:39,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:30:39,472 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:39,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:39,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:39,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:39,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:39,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:39,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:39,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:39,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:30:39,498 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:39,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:39,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:39,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:39,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:39,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:39,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:39,517 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:39,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:39,521 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:39,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:39,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:39,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:39,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:39,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:39,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:39,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:39,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:39,540 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:30:39,544 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-11-19 22:30:39,544 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:39,549 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:30:39,549 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 22:30:39,550 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:30:39,550 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_~m) = 1*multiple_of_~m Supporting invariants [] [2019-11-19 22:30:39,560 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:39,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:39,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 22:30:39,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:30:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:39,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-19 22:30:39,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:30:39,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:30:39,625 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 [2019-11-19 22:30:39,625 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 111 states and 144 transitions. cyclomatic complexity: 37 Second operand 4 states. [2019-11-19 22:30:39,692 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 111 states and 144 transitions. cyclomatic complexity: 37. Second operand 4 states. Result 209 states and 271 transitions. Complement of second has 18 states. [2019-11-19 22:30:39,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-19 22:30:39,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 22:30:39,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 66 transitions. [2019-11-19 22:30:39,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 66 transitions. Stem has 11 letters. Loop has 3 letters. [2019-11-19 22:30:39,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:39,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 66 transitions. Stem has 14 letters. Loop has 3 letters. [2019-11-19 22:30:39,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:39,695 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 66 transitions. Stem has 11 letters. Loop has 6 letters. [2019-11-19 22:30:39,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:39,695 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 271 transitions. [2019-11-19 22:30:39,700 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 34 [2019-11-19 22:30:39,704 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 155 states and 200 transitions. [2019-11-19 22:30:39,704 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 90 [2019-11-19 22:30:39,704 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 91 [2019-11-19 22:30:39,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 155 states and 200 transitions. [2019-11-19 22:30:39,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:30:39,705 INFO L688 BuchiCegarLoop]: Abstraction has 155 states and 200 transitions. [2019-11-19 22:30:39,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states and 200 transitions. [2019-11-19 22:30:39,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 126. [2019-11-19 22:30:39,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-11-19 22:30:39,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 164 transitions. [2019-11-19 22:30:39,715 INFO L711 BuchiCegarLoop]: Abstraction has 126 states and 164 transitions. [2019-11-19 22:30:39,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:30:39,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 22:30:39,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 22:30:39,716 INFO L87 Difference]: Start difference. First operand 126 states and 164 transitions. Second operand 5 states. [2019-11-19 22:30:39,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:30:39,751 INFO L93 Difference]: Finished difference Result 114 states and 144 transitions. [2019-11-19 22:30:39,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 22:30:39,752 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 144 transitions. [2019-11-19 22:30:39,754 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 20 [2019-11-19 22:30:39,756 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 114 states and 144 transitions. [2019-11-19 22:30:39,756 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 73 [2019-11-19 22:30:39,756 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 73 [2019-11-19 22:30:39,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 114 states and 144 transitions. [2019-11-19 22:30:39,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:30:39,757 INFO L688 BuchiCegarLoop]: Abstraction has 114 states and 144 transitions. [2019-11-19 22:30:39,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states and 144 transitions. [2019-11-19 22:30:39,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 110. [2019-11-19 22:30:39,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-19 22:30:39,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 140 transitions. [2019-11-19 22:30:39,772 INFO L711 BuchiCegarLoop]: Abstraction has 110 states and 140 transitions. [2019-11-19 22:30:39,772 INFO L591 BuchiCegarLoop]: Abstraction has 110 states and 140 transitions. [2019-11-19 22:30:39,772 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-19 22:30:39,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 110 states and 140 transitions. [2019-11-19 22:30:39,773 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 20 [2019-11-19 22:30:39,774 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:30:39,774 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:30:39,775 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:30:39,775 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:30:39,775 INFO L794 eck$LassoCheckResult]: Stem: 1660#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet8, main_#t~ret9, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_#t~short13, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet8;havoc main_#t~nondet8; 1642#L76 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret5, is_prime_~n;is_prime_~n := is_prime_#in~n; 1626#L51 call is_prime_#t~ret5 := is_prime_(is_prime_~n, is_prime_~n - 1);< 1634#is_prime_ENTRY ~n := #in~n;~m := #in~m; 1636#L56 assume ~n <= 1;#res := 0; 1707#is_prime_FINAL assume true; 1668#is_prime_EXIT >#117#return; 1629#L51-1 is_prime_#res := is_prime_#t~ret5;havoc is_prime_#t~ret5; 1619#L51-2 main_#t~ret9 := is_prime_#res;main_~result~0 := main_#t~ret9;havoc main_#t~ret9;main_~f1~0 := main_#t~nondet10;havoc main_#t~nondet10; 1620#L83 assume !(main_~f1~0 < 1 || main_~f1~0 > 46340);main_~f2~0 := main_#t~nondet11;havoc main_#t~nondet11; 1652#L89 assume !(main_~f2~0 < 1 || main_~f2~0 > 46340);main_#t~short13 := 1 == main_~result~0; 1653#L95 assume main_#t~short13; 1612#L95-1 call main_#t~ret12 := mult(main_~f1~0, main_~f2~0);< 1628#multENTRY [2019-11-19 22:30:39,775 INFO L796 eck$LassoCheckResult]: Loop: 1628#multENTRY ~n := #in~n;~m := #in~m; 1610#L16 assume ~m < 0; 1613#L17 call #t~ret0 := mult(~n, -~m);< 1628#multENTRY [2019-11-19 22:30:39,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:39,776 INFO L82 PathProgramCache]: Analyzing trace with hash -312507047, now seen corresponding path program 1 times [2019-11-19 22:30:39,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:39,777 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491433533] [2019-11-19 22:30:39,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:39,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:30:39,844 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491433533] [2019-11-19 22:30:39,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:30:39,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 22:30:39,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847174126] [2019-11-19 22:30:39,845 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 22:30:39,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:39,845 INFO L82 PathProgramCache]: Analyzing trace with hash 53804, now seen corresponding path program 1 times [2019-11-19 22:30:39,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:39,846 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538679555] [2019-11-19 22:30:39,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:39,851 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:39,894 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:30:39,895 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:30:39,895 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:30:39,895 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:30:39,895 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:30:39,895 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:39,896 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:30:39,896 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:30:39,896 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration5_Loop [2019-11-19 22:30:39,896 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:30:39,896 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:30:39,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:39,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:39,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:39,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:39,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:39,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:39,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:39,960 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:30:39,961 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:39,972 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:39,973 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:39,976 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:39,976 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret1=0} Honda state: {mult_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:39,983 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:39,983 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:39,986 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:39,987 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~n=0} Honda state: {mult_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:39,992 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:39,993 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:30:39,995 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:39,995 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~m=0} Honda state: {mult_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,001 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:40,001 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:30:40,003 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:40,003 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#res=0} Honda state: {mult_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,009 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:40,009 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:30:40,012 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:40,012 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret0=0} Honda state: {mult_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,018 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:40,018 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:30:40,021 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:40,021 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#in~n=0} Honda state: {mult_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,033 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:40,033 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,041 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:30:40,041 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:30:40,053 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:30:40,055 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:30:40,055 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:30:40,055 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:30:40,055 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:30:40,055 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:30:40,056 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,056 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:30:40,056 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:30:40,056 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration5_Loop [2019-11-19 22:30:40,056 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:30:40,056 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:30:40,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,112 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:30:40,113 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:40,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:40,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:40,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:40,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:40,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:40,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:40,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:30:40,130 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:40,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:40,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:40,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:40,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:40,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:40,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:40,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:40,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,146 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:40,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:40,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:40,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:40,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:40,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:40,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:40,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:30:40,158 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:40,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:40,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:40,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:40,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:40,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:40,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:40,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:30:40,168 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:40,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:40,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:40,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:40,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:40,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:40,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:40,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:30:40,180 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:40,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:40,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:40,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:40,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:40,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:40,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:40,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:30:40,191 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:40,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:40,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:40,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:40,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:40,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:40,200 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:40,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:30:40,201 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:30:40,203 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-11-19 22:30:40,203 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,209 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:30:40,209 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 22:30:40,209 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:30:40,209 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_#in~m) = -1*mult_#in~m Supporting invariants [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Exception during sending of exit command (exit): Stream closed [2019-11-19 22:30:40,213 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-19 22:30:40,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:40,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 22:30:40,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:30:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:40,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-19 22:30:40,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:30:40,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:30:40,316 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 [2019-11-19 22:30:40,316 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 110 states and 140 transitions. cyclomatic complexity: 34 Second operand 5 states. [2019-11-19 22:30:40,425 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 110 states and 140 transitions. cyclomatic complexity: 34. Second operand 5 states. Result 142 states and 176 transitions. Complement of second has 14 states. [2019-11-19 22:30:40,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 22:30:40,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-19 22:30:40,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2019-11-19 22:30:40,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 13 letters. Loop has 3 letters. [2019-11-19 22:30:40,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:40,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 16 letters. Loop has 3 letters. [2019-11-19 22:30:40,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:40,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 13 letters. Loop has 6 letters. [2019-11-19 22:30:40,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:40,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 176 transitions. [2019-11-19 22:30:40,435 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 20 [2019-11-19 22:30:40,440 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 134 states and 168 transitions. [2019-11-19 22:30:40,440 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 79 [2019-11-19 22:30:40,441 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 81 [2019-11-19 22:30:40,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 134 states and 168 transitions. [2019-11-19 22:30:40,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:30:40,445 INFO L688 BuchiCegarLoop]: Abstraction has 134 states and 168 transitions. [2019-11-19 22:30:40,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states and 168 transitions. [2019-11-19 22:30:40,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 121. [2019-11-19 22:30:40,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-11-19 22:30:40,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 154 transitions. [2019-11-19 22:30:40,461 INFO L711 BuchiCegarLoop]: Abstraction has 121 states and 154 transitions. [2019-11-19 22:30:40,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:30:40,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 22:30:40,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-19 22:30:40,461 INFO L87 Difference]: Start difference. First operand 121 states and 154 transitions. Second operand 7 states. [2019-11-19 22:30:40,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:30:40,523 INFO L93 Difference]: Finished difference Result 130 states and 163 transitions. [2019-11-19 22:30:40,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 22:30:40,524 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 163 transitions. [2019-11-19 22:30:40,526 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 20 [2019-11-19 22:30:40,528 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 122 states and 154 transitions. [2019-11-19 22:30:40,528 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 71 [2019-11-19 22:30:40,529 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 71 [2019-11-19 22:30:40,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 122 states and 154 transitions. [2019-11-19 22:30:40,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:30:40,530 INFO L688 BuchiCegarLoop]: Abstraction has 122 states and 154 transitions. [2019-11-19 22:30:40,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states and 154 transitions. [2019-11-19 22:30:40,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2019-11-19 22:30:40,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-11-19 22:30:40,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 151 transitions. [2019-11-19 22:30:40,541 INFO L711 BuchiCegarLoop]: Abstraction has 120 states and 151 transitions. [2019-11-19 22:30:40,542 INFO L591 BuchiCegarLoop]: Abstraction has 120 states and 151 transitions. [2019-11-19 22:30:40,542 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-19 22:30:40,542 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 120 states and 151 transitions. [2019-11-19 22:30:40,543 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 20 [2019-11-19 22:30:40,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:30:40,543 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:30:40,545 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:30:40,545 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-19 22:30:40,545 INFO L794 eck$LassoCheckResult]: Stem: 2269#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet8, main_#t~ret9, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_#t~short13, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet8;havoc main_#t~nondet8; 2250#L76 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret5, is_prime_~n;is_prime_~n := is_prime_#in~n; 2229#L51 call is_prime_#t~ret5 := is_prime_(is_prime_~n, is_prime_~n - 1);< 2239#is_prime_ENTRY ~n := #in~n;~m := #in~m; 2241#L56 assume !(~n <= 1); 2284#L59 assume !(2 == ~n); 2285#L62 assume ~n > 2; 2246#L63 assume !(~m <= 1); 2214#L66 call #t~ret6 := multiple_of(~n, ~m);< 2276#multiple_ofENTRY ~n := #in~n;~m := #in~m; 2273#L30 assume !(~m < 0); 2261#L33 assume ~n < 0; 2201#L34 call #t~ret3 := multiple_of(-~n, ~m);< 2216#multiple_ofENTRY [2019-11-19 22:30:40,545 INFO L796 eck$LassoCheckResult]: Loop: 2216#multiple_ofENTRY ~n := #in~n;~m := #in~m; 2306#L30 assume !(~m < 0); 2305#L33 assume ~n < 0; 2202#L34 call #t~ret3 := multiple_of(-~n, ~m);< 2216#multiple_ofENTRY [2019-11-19 22:30:40,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:40,546 INFO L82 PathProgramCache]: Analyzing trace with hash 725075382, now seen corresponding path program 1 times [2019-11-19 22:30:40,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:40,546 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259052211] [2019-11-19 22:30:40,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:40,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:30:40,606 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259052211] [2019-11-19 22:30:40,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:30:40,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 22:30:40,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280960927] [2019-11-19 22:30:40,607 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 22:30:40,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:40,607 INFO L82 PathProgramCache]: Analyzing trace with hash 929674, now seen corresponding path program 1 times [2019-11-19 22:30:40,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:40,608 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895646023] [2019-11-19 22:30:40,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:40,619 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:40,671 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:30:40,671 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:30:40,671 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:30:40,671 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:30:40,672 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:30:40,672 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,672 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:30:40,672 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:30:40,672 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration6_Loop [2019-11-19 22:30:40,672 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:30:40,672 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:30:40,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,761 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:30:40,761 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,768 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:40,769 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:30:40,772 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:40,773 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_~n=0} Honda state: {multiple_of_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,779 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:40,780 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:30:40,783 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:40,784 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#res=0} Honda state: {multiple_of_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,790 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:40,790 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:30:40,793 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:40,793 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_~m=0} Honda state: {multiple_of_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:40,802 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:40,802 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:40,812 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:30:40,812 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,826 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:30:40,828 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:30:40,828 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:30:40,828 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:30:40,829 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:30:40,829 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:30:40,829 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,829 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:30:40,829 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:30:40,829 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration6_Loop [2019-11-19 22:30:40,829 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:30:40,830 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:30:40,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:40,896 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:30:40,896 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:40,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:40,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:40,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:40,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:40,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:40,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:40,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:40,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,910 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:40,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:40,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:40,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:40,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:40,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:40,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:40,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:40,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,947 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:40,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:40,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:40,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:40,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:40,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:40,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:40,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:40,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,961 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:40,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:40,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:40,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:40,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:40,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:40,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:40,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:40,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:40,973 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:30:40,974 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-11-19 22:30:40,975 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:40,979 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:30:40,979 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 22:30:40,979 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:30:40,979 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_#in~n) = -1*multiple_of_#in~n Supporting invariants [] [2019-11-19 22:30:40,982 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:41,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:41,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 22:30:41,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:30:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:41,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-19 22:30:41,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:30:41,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:30:41,045 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 [2019-11-19 22:30:41,045 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 120 states and 151 transitions. cyclomatic complexity: 36 Second operand 4 states. [2019-11-19 22:30:41,120 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 120 states and 151 transitions. cyclomatic complexity: 36. Second operand 4 states. Result 270 states and 352 transitions. Complement of second has 13 states. [2019-11-19 22:30:41,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 22:30:41,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 22:30:41,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 55 transitions. [2019-11-19 22:30:41,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 55 transitions. Stem has 13 letters. Loop has 4 letters. [2019-11-19 22:30:41,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:41,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 55 transitions. Stem has 17 letters. Loop has 4 letters. [2019-11-19 22:30:41,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:41,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 55 transitions. Stem has 13 letters. Loop has 8 letters. [2019-11-19 22:30:41,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:41,124 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 270 states and 352 transitions. [2019-11-19 22:30:41,128 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 32 [2019-11-19 22:30:41,132 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 270 states to 246 states and 328 transitions. [2019-11-19 22:30:41,132 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 130 [2019-11-19 22:30:41,133 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 132 [2019-11-19 22:30:41,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 246 states and 328 transitions. [2019-11-19 22:30:41,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:30:41,134 INFO L688 BuchiCegarLoop]: Abstraction has 246 states and 328 transitions. [2019-11-19 22:30:41,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states and 328 transitions. [2019-11-19 22:30:41,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 216. [2019-11-19 22:30:41,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-11-19 22:30:41,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 283 transitions. [2019-11-19 22:30:41,143 INFO L711 BuchiCegarLoop]: Abstraction has 216 states and 283 transitions. [2019-11-19 22:30:41,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:30:41,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 22:30:41,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-19 22:30:41,144 INFO L87 Difference]: Start difference. First operand 216 states and 283 transitions. Second operand 7 states. [2019-11-19 22:30:41,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:30:41,264 INFO L93 Difference]: Finished difference Result 220 states and 287 transitions. [2019-11-19 22:30:41,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 22:30:41,264 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 220 states and 287 transitions. [2019-11-19 22:30:41,269 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 26 [2019-11-19 22:30:41,274 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 220 states to 220 states and 287 transitions. [2019-11-19 22:30:41,274 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 117 [2019-11-19 22:30:41,274 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 117 [2019-11-19 22:30:41,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 220 states and 287 transitions. [2019-11-19 22:30:41,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:30:41,276 INFO L688 BuchiCegarLoop]: Abstraction has 220 states and 287 transitions. [2019-11-19 22:30:41,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states and 287 transitions. [2019-11-19 22:30:41,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 216. [2019-11-19 22:30:41,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-11-19 22:30:41,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 282 transitions. [2019-11-19 22:30:41,286 INFO L711 BuchiCegarLoop]: Abstraction has 216 states and 282 transitions. [2019-11-19 22:30:41,286 INFO L591 BuchiCegarLoop]: Abstraction has 216 states and 282 transitions. [2019-11-19 22:30:41,286 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-19 22:30:41,286 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 216 states and 282 transitions. [2019-11-19 22:30:41,288 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 26 [2019-11-19 22:30:41,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:30:41,288 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:30:41,289 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:30:41,289 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:30:41,289 INFO L794 eck$LassoCheckResult]: Stem: 3207#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet8, main_#t~ret9, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_#t~short13, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet8;havoc main_#t~nondet8; 3176#L76 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret5, is_prime_~n;is_prime_~n := is_prime_#in~n; 3163#L51 call is_prime_#t~ret5 := is_prime_(is_prime_~n, is_prime_~n - 1);< 3164#is_prime_ENTRY ~n := #in~n;~m := #in~m; 3166#L56 assume !(~n <= 1); 3270#L59 assume !(2 == ~n); 3269#L62 assume ~n > 2; 3266#L63 assume !(~m <= 1); 3239#L66 call #t~ret6 := multiple_of(~n, ~m);< 3261#multiple_ofENTRY ~n := #in~n;~m := #in~m; 3260#L30 assume !(~m < 0); 3259#L33 assume !(~n < 0); 3258#L36 assume !(0 == ~m); 3257#L39 assume !(0 == ~n); 3122#L42 call #t~ret4 := multiple_of(~n - ~m, ~m);< 3237#multiple_ofENTRY [2019-11-19 22:30:41,289 INFO L796 eck$LassoCheckResult]: Loop: 3237#multiple_ofENTRY ~n := #in~n;~m := #in~m; 3235#L30 assume !(~m < 0); 3229#L33 assume !(~n < 0); 3230#L36 assume !(0 == ~m); 3255#L39 assume !(0 == ~n); 3121#L42 call #t~ret4 := multiple_of(~n - ~m, ~m);< 3237#multiple_ofENTRY [2019-11-19 22:30:41,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:41,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1012741841, now seen corresponding path program 1 times [2019-11-19 22:30:41,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:41,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779494728] [2019-11-19 22:30:41,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:41,313 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:41,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:41,313 INFO L82 PathProgramCache]: Analyzing trace with hash 893418405, now seen corresponding path program 1 times [2019-11-19 22:30:41,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:41,314 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403673837] [2019-11-19 22:30:41,314 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:41,324 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:41,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:41,324 INFO L82 PathProgramCache]: Analyzing trace with hash -2089986443, now seen corresponding path program 2 times [2019-11-19 22:30:41,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:41,324 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658381534] [2019-11-19 22:30:41,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:41,358 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:41,427 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:30:41,427 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:30:41,427 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:30:41,427 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:30:41,427 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:30:41,428 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:41,428 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:30:41,428 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:30:41,428 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration7_Loop [2019-11-19 22:30:41,428 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:30:41,428 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:30:41,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:41,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:41,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:41,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:41,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:41,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:41,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:41,509 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:30:41,509 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:41,520 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:41,520 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:41,523 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:41,524 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#res=0} Honda state: {multiple_of_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:41,529 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:41,530 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:41,542 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:30:41,542 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:30:41,656 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:30:41,658 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:30:41,658 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:30:41,658 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:30:41,658 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:30:41,658 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:30:41,658 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:41,659 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:30:41,659 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:30:41,659 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration7_Loop [2019-11-19 22:30:41,659 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:30:41,659 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:30:41,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:41,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:41,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:41,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:41,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:41,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:41,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:41,761 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:30:41,762 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:41,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:41,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:41,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:41,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:41,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:41,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:41,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:41,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:41,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:41,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:41,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:41,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:41,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:41,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:41,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:41,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:41,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:30:41,787 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:30:41,790 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-19 22:30:41,790 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:41,793 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:30:41,793 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 22:30:41,793 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:30:41,794 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_#in~n) = 1*multiple_of_#in~n Supporting invariants [] [2019-11-19 22:30:41,797 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-19 22:30:41,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:41,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 22:30:41,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:30:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:41,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-19 22:30:41,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:30:41,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:30:41,895 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2019-11-19 22:30:41,895 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 216 states and 282 transitions. cyclomatic complexity: 76 Second operand 6 states. [2019-11-19 22:30:42,010 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 216 states and 282 transitions. cyclomatic complexity: 76. Second operand 6 states. Result 315 states and 416 transitions. Complement of second has 21 states. [2019-11-19 22:30:42,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-11-19 22:30:42,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-19 22:30:42,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 42 transitions. [2019-11-19 22:30:42,012 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 42 transitions. Stem has 15 letters. Loop has 6 letters. [2019-11-19 22:30:42,012 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:42,012 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 42 transitions. Stem has 21 letters. Loop has 6 letters. [2019-11-19 22:30:42,013 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:42,013 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 42 transitions. Stem has 15 letters. Loop has 12 letters. [2019-11-19 22:30:42,013 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:42,013 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 315 states and 416 transitions. [2019-11-19 22:30:42,019 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 32 [2019-11-19 22:30:42,023 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 315 states to 284 states and 368 transitions. [2019-11-19 22:30:42,023 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 140 [2019-11-19 22:30:42,023 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 142 [2019-11-19 22:30:42,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 284 states and 368 transitions. [2019-11-19 22:30:42,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:30:42,025 INFO L688 BuchiCegarLoop]: Abstraction has 284 states and 368 transitions. [2019-11-19 22:30:42,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states and 368 transitions. [2019-11-19 22:30:42,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 251. [2019-11-19 22:30:42,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2019-11-19 22:30:42,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 326 transitions. [2019-11-19 22:30:42,035 INFO L711 BuchiCegarLoop]: Abstraction has 251 states and 326 transitions. [2019-11-19 22:30:42,035 INFO L591 BuchiCegarLoop]: Abstraction has 251 states and 326 transitions. [2019-11-19 22:30:42,035 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-19 22:30:42,036 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 251 states and 326 transitions. [2019-11-19 22:30:42,038 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 26 [2019-11-19 22:30:42,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:30:42,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:30:42,038 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:30:42,038 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-19 22:30:42,039 INFO L794 eck$LassoCheckResult]: Stem: 3849#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet8, main_#t~ret9, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_#t~short13, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet8;havoc main_#t~nondet8; 3814#L76 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret5, is_prime_~n;is_prime_~n := is_prime_#in~n; 3788#L51 call is_prime_#t~ret5 := is_prime_(is_prime_~n, is_prime_~n - 1);< 3803#is_prime_ENTRY ~n := #in~n;~m := #in~m; 3805#L56 assume !(~n <= 1); 3787#L59 assume 2 == ~n;#res := 1; 3789#is_prime_FINAL assume true; 3862#is_prime_EXIT >#117#return; 3798#L51-1 is_prime_#res := is_prime_#t~ret5;havoc is_prime_#t~ret5; 3785#L51-2 main_#t~ret9 := is_prime_#res;main_~result~0 := main_#t~ret9;havoc main_#t~ret9;main_~f1~0 := main_#t~nondet10;havoc main_#t~nondet10; 3786#L83 assume !(main_~f1~0 < 1 || main_~f1~0 > 46340);main_~f2~0 := main_#t~nondet11;havoc main_#t~nondet11; 3827#L89 assume !(main_~f2~0 < 1 || main_~f2~0 > 46340);main_#t~short13 := 1 == main_~result~0; 3828#L95 assume main_#t~short13; 3774#L95-1 call main_#t~ret12 := mult(main_~f1~0, main_~f2~0);< 3804#multENTRY ~n := #in~n;~m := #in~m; 3773#L16 assume !(~m < 0); 3776#L19 [2019-11-19 22:30:42,040 INFO L796 eck$LassoCheckResult]: Loop: 3776#L19 assume !(0 == ~m); 3820#L22 assume !(1 == ~m); 3795#L25 call #t~ret1 := mult(~n, ~m - 1);< 3797#multENTRY ~n := #in~n;~m := #in~m; 3833#L16 assume !(~m < 0); 3776#L19 [2019-11-19 22:30:42,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:42,040 INFO L82 PathProgramCache]: Analyzing trace with hash -53610220, now seen corresponding path program 1 times [2019-11-19 22:30:42,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:42,040 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125646889] [2019-11-19 22:30:42,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:42,070 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:42,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:42,072 INFO L82 PathProgramCache]: Analyzing trace with hash 61271251, now seen corresponding path program 1 times [2019-11-19 22:30:42,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:42,072 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520118209] [2019-11-19 22:30:42,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:42,084 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:42,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:42,084 INFO L82 PathProgramCache]: Analyzing trace with hash 102279072, now seen corresponding path program 1 times [2019-11-19 22:30:42,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:42,085 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997753605] [2019-11-19 22:30:42,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:42,111 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:42,180 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:30:42,180 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:30:42,180 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:30:42,181 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:30:42,181 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:30:42,181 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:42,181 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:30:42,181 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:30:42,181 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration8_Loop [2019-11-19 22:30:42,181 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:30:42,182 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:30:42,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:42,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:42,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:42,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:42,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:42,260 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:30:42,260 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:42,268 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:42,268 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:42,272 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:42,272 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret0=0} Honda state: {mult_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:42,278 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:42,278 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:42,282 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:42,282 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret1=0} Honda state: {mult_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:42,290 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:42,290 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:42,303 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:30:42,303 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:43,269 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:30:43,271 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:30:43,271 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:30:43,271 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:30:43,271 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:30:43,272 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:30:43,272 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:43,272 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:30:43,272 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:30:43,272 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration8_Loop [2019-11-19 22:30:43,272 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:30:43,272 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:30:43,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:43,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:43,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:43,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:43,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:43,340 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:30:43,340 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:43,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:43,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:43,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:43,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:43,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:43,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:43,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:43,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:30:43,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:43,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:43,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:43,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:43,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:43,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:43,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:43,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:43,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:30:43,360 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:43,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:43,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:43,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:43,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:43,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:43,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:43,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:43,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:30:43,376 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:43,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:43,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:43,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:43,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:43,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:43,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:43,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:43,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:30:43,385 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:43,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:43,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:43,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:43,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:43,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:43,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:43,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:43,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:30:43,404 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:30:43,406 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-11-19 22:30:43,406 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:43,411 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:30:43,411 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 22:30:43,412 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:30:43,412 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_~m) = 1*mult_~m Supporting invariants [] [2019-11-19 22:30:43,414 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:43,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:43,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 22:30:43,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:30:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:43,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-19 22:30:43,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:30:43,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:30:43,502 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 [2019-11-19 22:30:43,503 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 251 states and 326 transitions. cyclomatic complexity: 87 Second operand 6 states. [2019-11-19 22:30:43,608 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 251 states and 326 transitions. cyclomatic complexity: 87. Second operand 6 states. Result 275 states and 353 transitions. Complement of second has 17 states. [2019-11-19 22:30:43,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-19 22:30:43,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-19 22:30:43,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 51 transitions. [2019-11-19 22:30:43,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 51 transitions. Stem has 16 letters. Loop has 5 letters. [2019-11-19 22:30:43,610 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:43,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 51 transitions. Stem has 21 letters. Loop has 5 letters. [2019-11-19 22:30:43,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:43,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 51 transitions. Stem has 16 letters. Loop has 10 letters. [2019-11-19 22:30:43,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:43,611 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 275 states and 353 transitions. [2019-11-19 22:30:43,615 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 26 [2019-11-19 22:30:43,618 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 275 states to 274 states and 352 transitions. [2019-11-19 22:30:43,619 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 132 [2019-11-19 22:30:43,619 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2019-11-19 22:30:43,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 274 states and 352 transitions. [2019-11-19 22:30:43,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:30:43,619 INFO L688 BuchiCegarLoop]: Abstraction has 274 states and 352 transitions. [2019-11-19 22:30:43,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states and 352 transitions. [2019-11-19 22:30:43,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 261. [2019-11-19 22:30:43,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2019-11-19 22:30:43,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 338 transitions. [2019-11-19 22:30:43,629 INFO L711 BuchiCegarLoop]: Abstraction has 261 states and 338 transitions. [2019-11-19 22:30:43,630 INFO L591 BuchiCegarLoop]: Abstraction has 261 states and 338 transitions. [2019-11-19 22:30:43,630 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-11-19 22:30:43,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 261 states and 338 transitions. [2019-11-19 22:30:43,632 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 26 [2019-11-19 22:30:43,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:30:43,632 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:30:43,633 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:30:43,633 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 22:30:43,633 INFO L794 eck$LassoCheckResult]: Stem: 4481#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet8, main_#t~ret9, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_#t~short13, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet8;havoc main_#t~nondet8; 4451#L76 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret5, is_prime_~n;is_prime_~n := is_prime_#in~n; 4438#L51 call is_prime_#t~ret5 := is_prime_(is_prime_~n, is_prime_~n - 1);< 4439#is_prime_ENTRY ~n := #in~n;~m := #in~m; 4441#L56 assume !(~n <= 1); 4497#L59 assume 2 == ~n;#res := 1; 4496#is_prime_FINAL assume true; 4494#is_prime_EXIT >#117#return; 4430#L51-1 is_prime_#res := is_prime_#t~ret5;havoc is_prime_#t~ret5; 4414#L51-2 main_#t~ret9 := is_prime_#res;main_~result~0 := main_#t~ret9;havoc main_#t~ret9;main_~f1~0 := main_#t~nondet10;havoc main_#t~nondet10; 4415#L83 assume !(main_~f1~0 < 1 || main_~f1~0 > 46340);main_~f2~0 := main_#t~nondet11;havoc main_#t~nondet11; 4470#L89 assume !(main_~f2~0 < 1 || main_~f2~0 > 46340);main_#t~short13 := 1 == main_~result~0; 4471#L95 assume main_#t~short13; 4403#L95-1 call main_#t~ret12 := mult(main_~f1~0, main_~f2~0);< 4440#multENTRY ~n := #in~n;~m := #in~m; 4402#L16 assume !(~m < 0); 4404#L19 assume !(0 == ~m); 4466#L22 assume !(1 == ~m); 4472#L25 call #t~ret1 := mult(~n, ~m - 1);< 4649#multENTRY ~n := #in~n;~m := #in~m; 4502#L16 assume ~m < 0; 4426#L17 [2019-11-19 22:30:43,633 INFO L796 eck$LassoCheckResult]: Loop: 4426#L17 call #t~ret0 := mult(~n, -~m);< 4427#multENTRY ~n := #in~n;~m := #in~m; 4503#L16 assume ~m < 0; 4426#L17 [2019-11-19 22:30:43,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:43,634 INFO L82 PathProgramCache]: Analyzing trace with hash 102279069, now seen corresponding path program 1 times [2019-11-19 22:30:43,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:43,634 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112113066] [2019-11-19 22:30:43,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:43,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:30:43,689 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112113066] [2019-11-19 22:30:43,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:30:43,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 22:30:43,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833515798] [2019-11-19 22:30:43,690 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 22:30:43,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:43,691 INFO L82 PathProgramCache]: Analyzing trace with hash 138194, now seen corresponding path program 2 times [2019-11-19 22:30:43,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:43,691 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843102904] [2019-11-19 22:30:43,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:43,695 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:43,740 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:30:43,740 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:30:43,740 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:30:43,741 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:30:43,741 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:30:43,741 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:43,741 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:30:43,741 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:30:43,741 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration9_Loop [2019-11-19 22:30:43,741 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:30:43,742 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:30:43,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:43,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:43,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:43,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:43,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:43,796 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:30:43,797 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:43,810 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:43,810 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:43,813 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:43,813 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret0=0} Honda state: {mult_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:43,819 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:43,820 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:43,825 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:43,825 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret1=0} Honda state: {mult_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:43,832 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:43,832 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:43,838 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:43,838 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~n=4, mult_#in~n=4} Honda state: {mult_~n=4, mult_#in~n=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:43,847 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:43,847 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:43,864 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:30:43,864 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:44,498 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:30:44,499 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:30:44,500 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:30:44,500 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:30:44,500 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:30:44,500 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:30:44,500 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:44,500 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:30:44,500 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:30:44,500 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration9_Loop [2019-11-19 22:30:44,500 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:30:44,500 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:30:44,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:44,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:44,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:44,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:44,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:44,563 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:30:44,564 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:44,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:44,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:44,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:44,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:44,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:44,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:44,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:44,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:30:44,571 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:44,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:44,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:44,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:44,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:44,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:44,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:44,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:44,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:30:44,581 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:44,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:44,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:44,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:44,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:44,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:44,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:44,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:44,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:30:44,589 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:44,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:44,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:44,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:44,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:44,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:44,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:44,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:44,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:30:44,599 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:30:44,600 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-11-19 22:30:44,600 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:44,605 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:30:44,605 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 22:30:44,605 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:30:44,605 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_~m) = 1*mult_~m Supporting invariants [] Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:44,608 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-19 22:30:44,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:44,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 22:30:44,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:30:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:44,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-19 22:30:44,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:30:44,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:30:44,693 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 [2019-11-19 22:30:44,693 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 261 states and 338 transitions. cyclomatic complexity: 90 Second operand 5 states. [2019-11-19 22:30:44,807 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 261 states and 338 transitions. cyclomatic complexity: 90. Second operand 5 states. Result 302 states and 384 transitions. Complement of second has 11 states. [2019-11-19 22:30:44,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-19 22:30:44,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-19 22:30:44,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2019-11-19 22:30:44,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 21 letters. Loop has 3 letters. [2019-11-19 22:30:44,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:44,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 24 letters. Loop has 3 letters. [2019-11-19 22:30:44,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:44,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 21 letters. Loop has 6 letters. [2019-11-19 22:30:44,810 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:44,810 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 302 states and 384 transitions. [2019-11-19 22:30:44,814 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 26 [2019-11-19 22:30:44,818 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 302 states to 292 states and 374 transitions. [2019-11-19 22:30:44,818 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 143 [2019-11-19 22:30:44,819 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 145 [2019-11-19 22:30:44,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 292 states and 374 transitions. [2019-11-19 22:30:44,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:30:44,819 INFO L688 BuchiCegarLoop]: Abstraction has 292 states and 374 transitions. [2019-11-19 22:30:44,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states and 374 transitions. [2019-11-19 22:30:44,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 279. [2019-11-19 22:30:44,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2019-11-19 22:30:44,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 360 transitions. [2019-11-19 22:30:44,829 INFO L711 BuchiCegarLoop]: Abstraction has 279 states and 360 transitions. [2019-11-19 22:30:44,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:30:44,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 22:30:44,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-19 22:30:44,830 INFO L87 Difference]: Start difference. First operand 279 states and 360 transitions. Second operand 6 states. [2019-11-19 22:30:44,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:30:44,875 INFO L93 Difference]: Finished difference Result 275 states and 351 transitions. [2019-11-19 22:30:44,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 22:30:44,878 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 275 states and 351 transitions. [2019-11-19 22:30:44,882 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 20 [2019-11-19 22:30:44,885 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 275 states to 196 states and 236 transitions. [2019-11-19 22:30:44,886 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 71 [2019-11-19 22:30:44,886 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 71 [2019-11-19 22:30:44,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 196 states and 236 transitions. [2019-11-19 22:30:44,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:30:44,886 INFO L688 BuchiCegarLoop]: Abstraction has 196 states and 236 transitions. [2019-11-19 22:30:44,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states and 236 transitions. [2019-11-19 22:30:44,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 170. [2019-11-19 22:30:44,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2019-11-19 22:30:44,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 209 transitions. [2019-11-19 22:30:44,893 INFO L711 BuchiCegarLoop]: Abstraction has 170 states and 209 transitions. [2019-11-19 22:30:44,893 INFO L591 BuchiCegarLoop]: Abstraction has 170 states and 209 transitions. [2019-11-19 22:30:44,893 INFO L424 BuchiCegarLoop]: ======== Iteration 10============ [2019-11-19 22:30:44,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 170 states and 209 transitions. [2019-11-19 22:30:44,895 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2019-11-19 22:30:44,895 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:30:44,895 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:30:44,897 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:30:44,898 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:30:44,898 INFO L794 eck$LassoCheckResult]: Stem: 5667#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet8, main_#t~ret9, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_#t~short13, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet8;havoc main_#t~nondet8; 5668#L76 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret5, is_prime_~n;is_prime_~n := is_prime_#in~n; 5642#L51 call is_prime_#t~ret5 := is_prime_(is_prime_~n, is_prime_~n - 1);< 5655#is_prime_ENTRY ~n := #in~n;~m := #in~m; 5656#L56 assume !(~n <= 1); 5649#L59 assume !(2 == ~n); 5650#L62 assume ~n > 2; 5661#L63 assume !(~m <= 1); 5742#L66 call #t~ret6 := multiple_of(~n, ~m);< 5761#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5758#L30 assume !(~m < 0); 5747#L33 assume !(~n < 0); 5745#L36 assume !(0 == ~m); 5744#L39 assume !(0 == ~n); 5687#L42 call #t~ret4 := multiple_of(~n - ~m, ~m);< 5738#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5739#L30 assume !(~m < 0); 5764#L33 assume ~n < 0; 5626#L34 call #t~ret3 := multiple_of(-~n, ~m);< 5763#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5679#L30 assume !(~m < 0); 5623#L33 assume !(~n < 0); 5625#L36 [2019-11-19 22:30:44,898 INFO L796 eck$LassoCheckResult]: Loop: 5625#L36 assume !(0 == ~m); 5653#L39 assume !(0 == ~n); 5645#L42 call #t~ret4 := multiple_of(~n - ~m, ~m);< 5644#multiple_ofENTRY ~n := #in~n;~m := #in~m; 5789#L30 assume !(~m < 0); 5782#L33 assume !(~n < 0); 5625#L36 [2019-11-19 22:30:44,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:44,899 INFO L82 PathProgramCache]: Analyzing trace with hash -365122516, now seen corresponding path program 1 times [2019-11-19 22:30:44,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:44,899 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292686501] [2019-11-19 22:30:44,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:44,974 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:30:44,974 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292686501] [2019-11-19 22:30:44,974 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272791125] [2019-11-19 22:30:44,974 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 22:30:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:45,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-19 22:30:45,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:30:45,025 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:30:45,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 22:30:45,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2019-11-19 22:30:45,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290637838] [2019-11-19 22:30:45,027 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 22:30:45,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:45,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1367317725, now seen corresponding path program 2 times [2019-11-19 22:30:45,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:45,028 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052316999] [2019-11-19 22:30:45,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:45,034 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:45,115 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:30:45,115 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:30:45,116 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:30:45,116 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:30:45,116 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:30:45,116 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:45,116 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:30:45,116 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:30:45,117 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration10_Loop [2019-11-19 22:30:45,117 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:30:45,117 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:30:45,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:45,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:45,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:45,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:45,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:45,236 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:30:45,236 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:45,241 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:45,241 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:30:45,243 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:30:45,244 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {multiple_of_#t~ret2=0} Honda state: {multiple_of_#t~ret2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:45,248 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:30:45,248 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:45,259 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:30:45,259 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:47,582 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:30:47,584 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:30:47,585 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:30:47,585 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:30:47,585 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:30:47,585 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:30:47,585 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:47,585 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:30:47,585 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:30:47,585 INFO L133 ssoRankerPreferences]: Filename of dumped script: Primes.c_Iteration10_Loop [2019-11-19 22:30:47,585 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:30:47,585 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:30:47,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:47,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:47,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:47,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:47,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:30:47,686 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:30:47,686 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:47,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:30:47,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:30:47,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:30:47,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:30:47,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:30:47,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:30:47,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:30:47,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:30:47,702 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:30:47,706 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-19 22:30:47,706 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:30:47,710 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:30:47,710 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 22:30:47,711 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:30:47,711 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(multiple_of_~n) = 1*multiple_of_~n Supporting invariants [] [2019-11-19 22:30:47,713 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:30:47,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:47,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-19 22:30:47,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:30:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:47,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-19 22:30:47,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:30:47,851 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:30:47,878 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:30:47,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:30:47,894 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2019-11-19 22:30:47,894 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 170 states and 209 transitions. cyclomatic complexity: 49 Second operand 6 states. [2019-11-19 22:30:48,048 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 170 states and 209 transitions. cyclomatic complexity: 49. Second operand 6 states. Result 197 states and 241 transitions. Complement of second has 15 states. [2019-11-19 22:30:48,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-11-19 22:30:48,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-19 22:30:48,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2019-11-19 22:30:48,051 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 22 letters. Loop has 6 letters. [2019-11-19 22:30:48,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:48,052 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-19 22:30:48,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:48,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-19 22:30:48,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:30:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:48,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-19 22:30:48,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:30:48,123 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:30:48,138 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:30:48,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:30:48,150 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 5 loop predicates [2019-11-19 22:30:48,150 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 170 states and 209 transitions. cyclomatic complexity: 49 Second operand 6 states. [2019-11-19 22:30:48,278 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 170 states and 209 transitions. cyclomatic complexity: 49. Second operand 6 states. Result 197 states and 241 transitions. Complement of second has 15 states. [2019-11-19 22:30:48,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-11-19 22:30:48,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-19 22:30:48,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2019-11-19 22:30:48,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 22 letters. Loop has 6 letters. [2019-11-19 22:30:48,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:48,285 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-19 22:30:48,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:48,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-19 22:30:48,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:30:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:48,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-19 22:30:48,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:30:48,355 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:30:48,375 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 22:30:48,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:30:48,394 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2019-11-19 22:30:48,394 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 170 states and 209 transitions. cyclomatic complexity: 49 Second operand 6 states. [2019-11-19 22:30:48,555 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 170 states and 209 transitions. cyclomatic complexity: 49. Second operand 6 states. Result 265 states and 319 transitions. Complement of second has 16 states. [2019-11-19 22:30:48,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-11-19 22:30:48,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-19 22:30:48,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 36 transitions. [2019-11-19 22:30:48,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 22 letters. Loop has 6 letters. [2019-11-19 22:30:48,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:48,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 28 letters. Loop has 6 letters. [2019-11-19 22:30:48,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:48,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 22 letters. Loop has 12 letters. [2019-11-19 22:30:48,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:30:48,563 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 265 states and 319 transitions. [2019-11-19 22:30:48,566 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 21 [2019-11-19 22:30:48,568 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 265 states to 223 states and 270 transitions. [2019-11-19 22:30:48,568 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2019-11-19 22:30:48,569 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 60 [2019-11-19 22:30:48,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 223 states and 270 transitions. [2019-11-19 22:30:48,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:30:48,569 INFO L688 BuchiCegarLoop]: Abstraction has 223 states and 270 transitions. [2019-11-19 22:30:48,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states and 270 transitions. [2019-11-19 22:30:48,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 182. [2019-11-19 22:30:48,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2019-11-19 22:30:48,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 226 transitions. [2019-11-19 22:30:48,574 INFO L711 BuchiCegarLoop]: Abstraction has 182 states and 226 transitions. [2019-11-19 22:30:48,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:30:48,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 22:30:48,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-19 22:30:48,575 INFO L87 Difference]: Start difference. First operand 182 states and 226 transitions. Second operand 8 states. [2019-11-19 22:30:48,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:30:48,703 INFO L93 Difference]: Finished difference Result 243 states and 299 transitions. [2019-11-19 22:30:48,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 22:30:48,704 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 243 states and 299 transitions. [2019-11-19 22:30:48,707 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2019-11-19 22:30:48,709 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 243 states to 233 states and 289 transitions. [2019-11-19 22:30:48,709 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2019-11-19 22:30:48,709 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2019-11-19 22:30:48,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 233 states and 289 transitions. [2019-11-19 22:30:48,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:30:48,710 INFO L688 BuchiCegarLoop]: Abstraction has 233 states and 289 transitions. [2019-11-19 22:30:48,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states and 289 transitions. [2019-11-19 22:30:48,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 212. [2019-11-19 22:30:48,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-11-19 22:30:48,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 266 transitions. [2019-11-19 22:30:48,716 INFO L711 BuchiCegarLoop]: Abstraction has 212 states and 266 transitions. [2019-11-19 22:30:48,716 INFO L591 BuchiCegarLoop]: Abstraction has 212 states and 266 transitions. [2019-11-19 22:30:48,716 INFO L424 BuchiCegarLoop]: ======== Iteration 11============ [2019-11-19 22:30:48,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 212 states and 266 transitions. [2019-11-19 22:30:48,717 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2019-11-19 22:30:48,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:30:48,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:30:48,718 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:30:48,718 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-19 22:30:48,719 INFO L794 eck$LassoCheckResult]: Stem: 7339#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet8, main_#t~ret9, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_#t~short13, main_~n~0, main_~result~0, main_~f1~0, main_~f2~0;main_~n~0 := main_#t~nondet8;havoc main_#t~nondet8; 7340#L76 assume !(main_~n~0 < 1 || main_~n~0 > 46340);is_prime_#in~n := main_~n~0;havoc is_prime_#res;havoc is_prime_#t~ret5, is_prime_~n;is_prime_~n := is_prime_#in~n; 7301#L51 call is_prime_#t~ret5 := is_prime_(is_prime_~n, is_prime_~n - 1);< 7325#is_prime_ENTRY ~n := #in~n;~m := #in~m; 7326#L56 assume !(~n <= 1); 7346#L59 assume !(2 == ~n); 7331#L62 assume ~n > 2; 7332#L63 assume !(~m <= 1); 7351#L66 call #t~ret6 := multiple_of(~n, ~m);< 7352#multiple_ofENTRY ~n := #in~n;~m := #in~m; 7402#L30 assume !(~m < 0); 7401#L33 assume !(~n < 0); 7400#L36 assume !(0 == ~m); 7385#L39 assume !(0 == ~n); 7378#L42 call #t~ret4 := multiple_of(~n - ~m, ~m);< 7394#multiple_ofENTRY ~n := #in~n;~m := #in~m; 7393#L30 assume !(~m < 0); 7392#L33 assume !(~n < 0); 7384#L36 assume !(0 == ~m); 7381#L39 assume !(0 == ~n); 7368#L42 call #t~ret4 := multiple_of(~n - ~m, ~m);< 7377#multiple_ofENTRY ~n := #in~n;~m := #in~m; 7376#L30 assume !(~m < 0); 7367#L33 assume ~n < 0; 7294#L34 call #t~ret3 := multiple_of(-~n, ~m);< 7372#multiple_ofENTRY ~n := #in~n;~m := #in~m; 7371#L30 assume !(~m < 0); 7292#L33 assume !(~n < 0); 7295#L36 [2019-11-19 22:30:48,719 INFO L796 eck$LassoCheckResult]: Loop: 7295#L36 assume !(0 == ~m); 7335#L39 assume !(0 == ~n); 7313#L42 call #t~ret4 := multiple_of(~n - ~m, ~m);< 7357#multiple_ofENTRY ~n := #in~n;~m := #in~m; 7395#L30 assume !(~m < 0); 7373#L33 assume ~n < 0; 7312#L34 call #t~ret3 := multiple_of(-~n, ~m);< 7314#multiple_ofENTRY ~n := #in~n;~m := #in~m; 7374#L30 assume !(~m < 0); 7375#L33 assume !(~n < 0); 7295#L36 [2019-11-19 22:30:48,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:48,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1641835528, now seen corresponding path program 2 times [2019-11-19 22:30:48,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:48,719 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849656542] [2019-11-19 22:30:48,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:48,734 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:48,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:48,734 INFO L82 PathProgramCache]: Analyzing trace with hash 478329012, now seen corresponding path program 1 times [2019-11-19 22:30:48,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:48,735 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380312442] [2019-11-19 22:30:48,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:48,741 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:48,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:48,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1762199547, now seen corresponding path program 3 times [2019-11-19 22:30:48,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:30:48,741 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933348858] [2019-11-19 22:30:48,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:30:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:30:48,758 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:30:49,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:30:49 BoogieIcfgContainer [2019-11-19 22:30:49,464 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:30:49,464 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:30:49,464 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:30:49,465 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:30:49,465 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:30:34" (3/4) ... [2019-11-19 22:30:49,468 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-19 22:30:49,513 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 22:30:49,514 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:30:49,516 INFO L168 Benchmark]: Toolchain (without parser) took 15790.67 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 310.4 MB). Free memory was 961.7 MB in the beginning and 969.4 MB in the end (delta: -7.7 MB). Peak memory consumption was 302.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:49,516 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:30:49,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.46 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:49,517 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:49,517 INFO L168 Benchmark]: Boogie Preprocessor took 33.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:49,518 INFO L168 Benchmark]: RCFGBuilder took 395.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:49,518 INFO L168 Benchmark]: BuchiAutomizer took 14951.51 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 192.9 MB). Free memory was 1.1 GB in the beginning and 969.4 MB in the end (delta: 117.6 MB). Peak memory consumption was 310.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:49,518 INFO L168 Benchmark]: Witness Printer took 49.35 ms. Allocated memory is still 1.3 GB. Free memory was 969.4 MB in the beginning and 969.4 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2019-11-19 22:30:49,521 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 269.46 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 395.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 14951.51 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 192.9 MB). Free memory was 1.1 GB in the beginning and 969.4 MB in the end (delta: 117.6 MB). Peak memory consumption was 310.6 MB. Max. memory is 11.5 GB. * Witness Printer took 49.35 ms. Allocated memory is still 1.3 GB. Free memory was 969.4 MB in the beginning and 969.4 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 16 terminating modules (8 trivial, 7 deterministic, 1 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function \old(m) and consists of 9 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 6 locations. One deterministic module has affine ranking function m and consists of 6 locations. One deterministic module has affine ranking function m and consists of 5 locations. One nondeterministic module has affine ranking function n and consists of 6 locations. 8 modules have a trivial ranking function, the largest among these consists of 10 locations. The remainder module has 212 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.8s and 11 iterations. TraceHistogramMax:4. Analysis of lassos took 10.8s. Construction of modules took 1.1s. Büchi inclusion checks took 2.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 14. Automata minimization 0.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 304 StatesRemovedByMinimization, 16 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 261 states and ocurred in iteration 8. Nontrivial modules had stage [7, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/7 HoareTripleCheckerStatistics: 693 SDtfs, 703 SDslu, 1178 SDs, 0 SdLazy, 968 SolverSat, 199 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT5 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf99 lsp81 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq175 hnf92 smp90 dnf100 smp100 tf109 neg98 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 24 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 8 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 6.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 36]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {n=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c8e02c6=0, \result=0, f1=0, m=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67fb355b=0, n=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a5aa3da=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d952685=0, result=0, f2=0, m=2, n=1, \result=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8c507b8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3857d2c9=0, \old(n)=1, \old(m)=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c60843c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f3439fb=0, n=0, \old(n)=0, \result=0, \old(m)=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@377a4d94=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49f7317=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7156db0=0, \old(n)=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@479ad1fb=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 36]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L75] int n = __VERIFIER_nondet_int(); [L76] COND FALSE !(n < 1 || n > 46340) [L51] CALL is_prime_(n, n - 1) [L56] COND FALSE !(n <= 1) [L59] COND FALSE !(n == 2) [L62] COND TRUE n > 2 [L63] COND FALSE !(m <= 1) [L66] CALL multiple_of(n, m) [L30] COND FALSE !(m < 0) [L33] COND FALSE !(n < 0) [L36] COND FALSE !(m == 0) [L39] COND FALSE !(n == 0) [L42] CALL multiple_of(n - m, m) [L30] COND FALSE !(m < 0) [L33] COND FALSE !(n < 0) [L36] COND FALSE !(m == 0) [L39] COND FALSE !(n == 0) [L42] CALL multiple_of(n - m, m) [L30] COND FALSE !(m < 0) [L33] COND TRUE n < 0 [L34] CALL multiple_of(-n, m) [L30] COND FALSE !(m < 0) [L33] COND FALSE !(n < 0) Loop: [L36] COND FALSE !(m == 0) [L39] COND FALSE !(n == 0) [L42] CALL multiple_of(n - m, m) [L30] COND FALSE !(m < 0) [L33] COND TRUE n < 0 [L34] CALL multiple_of(-n, m) [L30] COND FALSE !(m < 0) [L33] COND FALSE !(n < 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...