./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/insertion_sort-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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/loops/insertion_sort-2.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 fa2d5ed9526c4edcc7e8525f0905ad082db62879 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 07:03:18,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 07:03:18,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 07:03:18,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 07:03:18,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 07:03:18,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 07:03:18,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 07:03:18,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 07:03:18,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 07:03:18,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 07:03:18,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 07:03:18,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 07:03:18,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 07:03:18,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 07:03:18,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 07:03:18,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 07:03:18,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 07:03:18,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 07:03:18,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 07:03:18,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 07:03:18,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 07:03:18,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 07:03:18,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 07:03:18,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 07:03:18,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 07:03:18,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 07:03:18,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 07:03:18,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 07:03:18,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 07:03:18,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 07:03:18,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 07:03:18,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 07:03:18,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 07:03:18,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 07:03:18,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 07:03:18,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 07:03:18,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 07:03:18,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 07:03:18,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 07:03:18,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 07:03:18,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 07:03:18,331 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 07:03:18,365 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 07:03:18,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 07:03:18,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 07:03:18,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 07:03:18,366 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 07:03:18,366 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 07:03:18,367 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 07:03:18,367 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 07:03:18,367 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 07:03:18,367 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 07:03:18,367 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 07:03:18,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 07:03:18,368 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 07:03:18,368 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 07:03:18,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 07:03:18,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 07:03:18,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 07:03:18,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 07:03:18,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 07:03:18,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 07:03:18,369 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 07:03:18,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 07:03:18,370 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 07:03:18,370 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 07:03:18,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 07:03:18,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 07:03:18,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 07:03:18,370 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 07:03:18,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 07:03:18,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 07:03:18,371 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 07:03:18,371 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 07:03:18,372 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 07:03:18,372 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 -> fa2d5ed9526c4edcc7e8525f0905ad082db62879 [2020-10-20 07:03:18,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 07:03:18,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 07:03:18,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 07:03:18,578 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 07:03:18,578 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 07:03:18,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/insertion_sort-2.c [2020-10-20 07:03:18,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30f15820c/d52349cf4b024753af5cb9acdd13c2a3/FLAG55f9d9972 [2020-10-20 07:03:19,088 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 07:03:19,089 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/insertion_sort-2.c [2020-10-20 07:03:19,096 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30f15820c/d52349cf4b024753af5cb9acdd13c2a3/FLAG55f9d9972 [2020-10-20 07:03:19,504 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30f15820c/d52349cf4b024753af5cb9acdd13c2a3 [2020-10-20 07:03:19,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 07:03:19,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 07:03:19,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 07:03:19,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 07:03:19,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 07:03:19,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:03:19" (1/1) ... [2020-10-20 07:03:19,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425e54b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:03:19, skipping insertion in model container [2020-10-20 07:03:19,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:03:19" (1/1) ... [2020-10-20 07:03:19,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 07:03:19,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 07:03:19,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:03:19,798 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 07:03:19,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:03:19,833 INFO L208 MainTranslator]: Completed translation [2020-10-20 07:03:19,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:03:19 WrapperNode [2020-10-20 07:03:19,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 07:03:19,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 07:03:19,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 07:03:19,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 07:03:19,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:03:19" (1/1) ... [2020-10-20 07:03:19,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:03:19" (1/1) ... [2020-10-20 07:03:19,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 07:03:19,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 07:03:19,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 07:03:19,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 07:03:19,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:03:19" (1/1) ... [2020-10-20 07:03:19,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:03:19" (1/1) ... [2020-10-20 07:03:19,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:03:19" (1/1) ... [2020-10-20 07:03:19,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:03:19" (1/1) ... [2020-10-20 07:03:19,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:03:19" (1/1) ... [2020-10-20 07:03:19,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:03:19" (1/1) ... [2020-10-20 07:03:19,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:03:19" (1/1) ... [2020-10-20 07:03:19,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 07:03:19,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 07:03:19,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 07:03:19,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 07:03:19,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:03:19" (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 [2020-10-20 07:03:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 07:03:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 07:03:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 07:03:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 07:03:19,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 07:03:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 07:03:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 07:03:20,251 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 07:03:20,252 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-10-20 07:03:20,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:03:20 BoogieIcfgContainer [2020-10-20 07:03:20,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 07:03:20,256 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 07:03:20,256 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 07:03:20,261 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 07:03:20,262 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:03:20,262 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 07:03:19" (1/3) ... [2020-10-20 07:03:20,263 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7eb88b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:03:20, skipping insertion in model container [2020-10-20 07:03:20,263 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:03:20,264 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:03:19" (2/3) ... [2020-10-20 07:03:20,264 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7eb88b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:03:20, skipping insertion in model container [2020-10-20 07:03:20,264 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:03:20,264 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:03:20" (3/3) ... [2020-10-20 07:03:20,267 INFO L373 chiAutomizerObserver]: Analyzing ICFG insertion_sort-2.c [2020-10-20 07:03:20,333 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 07:03:20,333 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 07:03:20,333 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 07:03:20,334 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 07:03:20,334 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 07:03:20,334 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 07:03:20,334 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 07:03:20,334 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 07:03:20,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states. [2020-10-20 07:03:20,399 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2020-10-20 07:03:20,399 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:03:20,399 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:03:20,406 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 07:03:20,406 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 07:03:20,406 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 07:03:20,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states. [2020-10-20 07:03:20,409 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2020-10-20 07:03:20,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:03:20,409 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:03:20,409 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 07:03:20,409 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 07:03:20,416 INFO L794 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 14#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 22#L17-3true [2020-10-20 07:03:20,416 INFO L796 eck$LassoCheckResult]: Loop: 22#L17-3true assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 3#L17-2true main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 22#L17-3true [2020-10-20 07:03:20,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:20,421 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-20 07:03:20,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:20,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704005242] [2020-10-20 07:03:20,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:20,559 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:20,582 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:20,612 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:20,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:20,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2020-10-20 07:03:20,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:20,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128132469] [2020-10-20 07:03:20,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:20,645 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:20,662 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:20,667 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:20,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:20,670 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2020-10-20 07:03:20,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:20,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101288707] [2020-10-20 07:03:20,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:20,723 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:20,753 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:20,759 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:21,106 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2020-10-20 07:03:21,284 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-10-20 07:03:21,301 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:03:21,303 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:03:21,304 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:03:21,304 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:03:21,304 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:03:21,304 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:21,304 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:03:21,305 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:03:21,305 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2.c_Iteration1_Lasso [2020-10-20 07:03:21,305 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:03:21,305 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:03:21,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:21,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:21,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:21,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:21,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:21,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:21,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:21,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:21,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:21,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:21,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:21,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:21,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:21,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:21,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:21,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:21,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:21,861 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2020-10-20 07:03:21,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:21,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:22,410 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-10-20 07:03:22,475 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:03:22,481 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:22,492 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 [2020-10-20 07:03:22,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:22,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:22,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:22,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:22,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:22,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:22,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:22,501 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:03:22,540 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 [2020-10-20 07:03:22,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:22,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:22,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:22,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:22,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:22,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:22,561 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 4 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:22,588 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 [2020-10-20 07:03:22,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:22,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:22,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:22,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:22,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:22,591 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:22,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:22,597 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 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:22,625 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 [2020-10-20 07:03:22,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:22,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:22,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:22,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:22,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:22,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:22,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:22,640 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 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 [2020-10-20 07:03:22,665 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 [2020-10-20 07:03:22,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:22,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:22,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:22,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:22,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:22,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:22,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:22,672 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 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:22,697 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 [2020-10-20 07:03:22,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:22,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:22,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:22,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:22,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:22,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:22,706 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 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 [2020-10-20 07:03:22,748 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 [2020-10-20 07:03:22,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:22,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:22,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:22,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:22,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:22,751 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:22,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:22,753 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 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:22,780 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 [2020-10-20 07:03:22,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:22,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:22,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:22,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:22,784 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:22,784 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:22,791 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) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:22,834 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 [2020-10-20 07:03:22,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:22,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:22,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:22,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:22,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:22,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:22,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:22,841 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) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:22,891 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 [2020-10-20 07:03:22,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:22,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:22,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:22,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:22,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:22,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:22,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:22,900 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) [2020-10-20 07:03:22,943 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 [2020-10-20 07:03:22,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:22,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:22,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:22,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:22,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:22,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:22,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:22,953 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 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 [2020-10-20 07:03:22,985 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 [2020-10-20 07:03:22,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:22,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:22,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:22,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:22,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:22,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:22,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:22,993 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 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:23,015 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 [2020-10-20 07:03:23,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:23,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:23,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:23,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:23,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:23,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:23,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:23,020 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 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:23,043 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 [2020-10-20 07:03:23,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:23,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:23,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:23,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:23,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:23,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:23,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:23,046 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 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:23,069 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 [2020-10-20 07:03:23,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:23,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:23,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:23,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:23,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:23,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:23,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:23,074 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 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:23,096 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 [2020-10-20 07:03:23,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:23,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:23,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:23,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:23,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:23,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:23,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:23,100 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 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 [2020-10-20 07:03:23,128 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 [2020-10-20 07:03:23,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:23,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:23,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:23,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:23,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:23,132 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:23,142 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 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 [2020-10-20 07:03:23,166 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 [2020-10-20 07:03:23,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:23,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:23,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:23,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:23,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:23,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:23,175 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 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:23,214 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 [2020-10-20 07:03:23,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:23,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:23,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:23,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:23,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:23,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:23,223 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 [2020-10-20 07:03:23,249 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 [2020-10-20 07:03:23,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:23,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:23,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:23,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:23,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:23,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:23,256 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) [2020-10-20 07:03:23,292 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 [2020-10-20 07:03:23,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:23,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:23,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:23,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:23,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:23,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:23,303 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:03:23,346 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 [2020-10-20 07:03:23,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:23,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:23,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:23,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:23,350 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:23,350 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:23,355 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) [2020-10-20 07:03:23,389 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 [2020-10-20 07:03:23,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:23,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:23,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:23,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:23,393 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:23,393 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:23,397 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:03:23,429 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 [2020-10-20 07:03:23,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:23,432 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-10-20 07:03:23,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:23,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:23,441 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-10-20 07:03:23,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:23,460 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:03:23,503 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2020-10-20 07:03:23,503 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. 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) [2020-10-20 07:03:23,508 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:23,512 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 07:03:23,513 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:03:23,514 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#v~0.base)_1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~#v~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_~#v~0.base)_1 - 4*ULTIMATE.start_main_~j~0 - 1*ULTIMATE.start_main_~#v~0.offset Supporting invariants [] [2020-10-20 07:03:23,680 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2020-10-20 07:03:23,692 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-20 07:03:23,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:23,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:03:23,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:03:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:23,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:03:23,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:03:23,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:03:23,805 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-20 07:03:23,806 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states. Second operand 3 states. [2020-10-20 07:03:23,864 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states.. Second operand 3 states. Result 43 states and 63 transitions. Complement of second has 8 states. [2020-10-20 07:03:23,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 07:03:23,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-20 07:03:23,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2020-10-20 07:03:23,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 2 letters. Loop has 2 letters. [2020-10-20 07:03:23,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:03:23,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-20 07:03:23,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:03:23,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 2 letters. Loop has 4 letters. [2020-10-20 07:03:23,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:03:23,871 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 63 transitions. [2020-10-20 07:03:23,875 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2020-10-20 07:03:23,879 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 19 states and 27 transitions. [2020-10-20 07:03:23,880 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2020-10-20 07:03:23,881 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2020-10-20 07:03:23,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 27 transitions. [2020-10-20 07:03:23,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:03:23,882 INFO L691 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2020-10-20 07:03:23,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 27 transitions. [2020-10-20 07:03:23,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-10-20 07:03:23,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-10-20 07:03:23,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions. [2020-10-20 07:03:23,912 INFO L714 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2020-10-20 07:03:23,912 INFO L594 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2020-10-20 07:03:23,912 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 07:03:23,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 27 transitions. [2020-10-20 07:03:23,913 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2020-10-20 07:03:23,914 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:03:23,914 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:03:23,914 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-20 07:03:23,914 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-20 07:03:23,915 INFO L794 eck$LassoCheckResult]: Stem: 166#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 164#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 165#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 167#L17-4 main_~j~0 := 1; 154#L19-3 [2020-10-20 07:03:23,915 INFO L796 eck$LassoCheckResult]: Loop: 154#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 155#L22-5 assume !true; 156#L22-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 157#L19-2 main_#t~post10 := main_~j~0;main_~j~0 := 1 + main_#t~post10;havoc main_#t~post10; 154#L19-3 [2020-10-20 07:03:23,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:23,916 INFO L82 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2020-10-20 07:03:23,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:23,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065528652] [2020-10-20 07:03:23,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:23,936 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:23,953 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:23,958 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:23,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:23,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1680277, now seen corresponding path program 1 times [2020-10-20 07:03:23,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:23,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368532234] [2020-10-20 07:03:23,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:23,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:03:23,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368532234] [2020-10-20 07:03:23,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:03:23,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 07:03:23,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490032984] [2020-10-20 07:03:24,005 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-20 07:03:24,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:03:24,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 07:03:24,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 07:03:24,010 INFO L87 Difference]: Start difference. First operand 19 states and 27 transitions. cyclomatic complexity: 11 Second operand 2 states. [2020-10-20 07:03:24,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:03:24,017 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2020-10-20 07:03:24,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 07:03:24,018 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2020-10-20 07:03:24,020 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2020-10-20 07:03:24,022 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 17 states and 22 transitions. [2020-10-20 07:03:24,022 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2020-10-20 07:03:24,023 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2020-10-20 07:03:24,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2020-10-20 07:03:24,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:03:24,024 INFO L691 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2020-10-20 07:03:24,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2020-10-20 07:03:24,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-10-20 07:03:24,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-10-20 07:03:24,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2020-10-20 07:03:24,029 INFO L714 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2020-10-20 07:03:24,029 INFO L594 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2020-10-20 07:03:24,029 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 07:03:24,029 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2020-10-20 07:03:24,031 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2020-10-20 07:03:24,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:03:24,031 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:03:24,031 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-20 07:03:24,032 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-20 07:03:24,032 INFO L794 eck$LassoCheckResult]: Stem: 206#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 204#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 205#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 207#L17-4 main_~j~0 := 1; 196#L19-3 [2020-10-20 07:03:24,032 INFO L796 eck$LassoCheckResult]: Loop: 196#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 197#L22-5 main_#t~short13 := main_~i~0 >= 0; 202#L22-1 assume main_#t~short13;call main_#t~mem12 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short13 := main_#t~mem12 > main_~key~0; 203#L22-3 assume !main_#t~short13;havoc main_#t~short13;havoc main_#t~mem12; 198#L22-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 199#L19-2 main_#t~post10 := main_~j~0;main_~j~0 := 1 + main_#t~post10;havoc main_#t~post10; 196#L19-3 [2020-10-20 07:03:24,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:24,033 INFO L82 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 2 times [2020-10-20 07:03:24,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:24,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19578615] [2020-10-20 07:03:24,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:24,077 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:24,109 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:24,115 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:24,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:24,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1602376654, now seen corresponding path program 1 times [2020-10-20 07:03:24,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:24,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567738351] [2020-10-20 07:03:24,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:24,137 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:24,165 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:24,171 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:24,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:24,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1970717784, now seen corresponding path program 1 times [2020-10-20 07:03:24,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:24,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387181907] [2020-10-20 07:03:24,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:24,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:03:24,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387181907] [2020-10-20 07:03:24,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:03:24,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 07:03:24,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992763619] [2020-10-20 07:03:24,413 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 53 [2020-10-20 07:03:24,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:03:24,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 07:03:24,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-20 07:03:24,459 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 8 Second operand 5 states. [2020-10-20 07:03:24,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:03:24,556 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2020-10-20 07:03:24,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 07:03:24,557 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 26 transitions. [2020-10-20 07:03:24,558 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2020-10-20 07:03:24,558 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 18 states and 22 transitions. [2020-10-20 07:03:24,558 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2020-10-20 07:03:24,558 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2020-10-20 07:03:24,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 22 transitions. [2020-10-20 07:03:24,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:03:24,559 INFO L691 BuchiCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-10-20 07:03:24,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 22 transitions. [2020-10-20 07:03:24,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2020-10-20 07:03:24,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-10-20 07:03:24,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2020-10-20 07:03:24,561 INFO L714 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2020-10-20 07:03:24,562 INFO L594 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2020-10-20 07:03:24,562 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-20 07:03:24,562 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2020-10-20 07:03:24,563 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2020-10-20 07:03:24,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:03:24,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:03:24,563 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-20 07:03:24,564 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-20 07:03:24,564 INFO L794 eck$LassoCheckResult]: Stem: 257#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 255#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 256#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 242#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 243#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 258#L17-4 main_~j~0 := 1; 247#L19-3 [2020-10-20 07:03:24,564 INFO L796 eck$LassoCheckResult]: Loop: 247#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 248#L22-5 main_#t~short13 := main_~i~0 >= 0; 253#L22-1 assume main_#t~short13;call main_#t~mem12 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short13 := main_#t~mem12 > main_~key~0; 254#L22-3 assume !main_#t~short13;havoc main_#t~short13;havoc main_#t~mem12; 249#L22-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 250#L19-2 main_#t~post10 := main_~j~0;main_~j~0 := 1 + main_#t~post10;havoc main_#t~post10; 247#L19-3 [2020-10-20 07:03:24,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:24,565 INFO L82 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2020-10-20 07:03:24,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:24,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412874614] [2020-10-20 07:03:24,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:24,579 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:24,591 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:24,595 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:24,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:24,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1602376654, now seen corresponding path program 2 times [2020-10-20 07:03:24,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:24,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079033160] [2020-10-20 07:03:24,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:24,604 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:24,611 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:24,614 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:24,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:24,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1315520218, now seen corresponding path program 1 times [2020-10-20 07:03:24,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:24,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118621631] [2020-10-20 07:03:24,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:24,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:03:24,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118621631] [2020-10-20 07:03:24,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838818348] [2020-10-20 07:03:24,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 07:03:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:24,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-20 07:03:24,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:03:24,881 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2020-10-20 07:03:24,882 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 07:03:24,903 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 07:03:24,909 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2020-10-20 07:03:24,909 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 07:03:24,934 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 07:03:24,935 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2020-10-20 07:03:24,935 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:48, output treesize:46 [2020-10-20 07:03:25,049 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 07:03:25,108 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 07:03:25,451 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 89 [2020-10-20 07:03:25,563 INFO L545 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2020-10-20 07:03:25,654 INFO L625 ElimStorePlain]: treesize reduction 22, result has 87.6 percent of original size [2020-10-20 07:03:25,738 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: 8 dim-0 vars, and 1 xjuncts. [2020-10-20 07:03:25,739 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:126, output treesize:145 [2020-10-20 07:03:25,913 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 07:03:25,937 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-20 07:03:26,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:03:26,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 07:03:26,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2020-10-20 07:03:26,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922157019] [2020-10-20 07:03:26,260 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2020-10-20 07:03:26,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:03:26,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-20 07:03:26,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-20 07:03:26,297 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 7 Second operand 11 states. [2020-10-20 07:03:33,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:03:33,915 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2020-10-20 07:03:33,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 07:03:33,916 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2020-10-20 07:03:33,918 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2020-10-20 07:03:33,918 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 21 states and 25 transitions. [2020-10-20 07:03:33,918 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2020-10-20 07:03:33,918 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2020-10-20 07:03:33,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2020-10-20 07:03:33,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:03:33,919 INFO L691 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-10-20 07:03:33,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2020-10-20 07:03:33,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2020-10-20 07:03:33,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-20 07:03:33,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2020-10-20 07:03:33,921 INFO L714 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2020-10-20 07:03:33,921 INFO L594 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2020-10-20 07:03:33,922 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-20 07:03:33,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 24 transitions. [2020-10-20 07:03:33,922 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2020-10-20 07:03:33,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:03:33,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:03:33,923 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1] [2020-10-20 07:03:33,924 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-20 07:03:33,924 INFO L794 eck$LassoCheckResult]: Stem: 353#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 350#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 351#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 337#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 338#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 355#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 356#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 354#L17-4 main_~j~0 := 1; 342#L19-3 [2020-10-20 07:03:33,924 INFO L796 eck$LassoCheckResult]: Loop: 342#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 343#L22-5 main_#t~short13 := main_~i~0 >= 0; 348#L22-1 assume main_#t~short13;call main_#t~mem12 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short13 := main_#t~mem12 > main_~key~0; 352#L22-3 assume !main_#t~short13;havoc main_#t~short13;havoc main_#t~mem12; 344#L22-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 345#L19-2 main_#t~post10 := main_~j~0;main_~j~0 := 1 + main_#t~post10;havoc main_#t~post10; 342#L19-3 [2020-10-20 07:03:33,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:33,924 INFO L82 PathProgramCache]: Analyzing trace with hash 265236367, now seen corresponding path program 2 times [2020-10-20 07:03:33,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:33,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480261600] [2020-10-20 07:03:33,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:33,938 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:33,949 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:33,953 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:33,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:33,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1602376654, now seen corresponding path program 3 times [2020-10-20 07:03:33,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:33,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433687867] [2020-10-20 07:03:33,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:33,961 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:33,967 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:33,969 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:33,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:33,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1264115492, now seen corresponding path program 2 times [2020-10-20 07:03:33,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:33,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962078266] [2020-10-20 07:03:33,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:33,989 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:34,006 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:34,010 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:34,124 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2020-10-20 07:03:34,542 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 106 [2020-10-20 07:03:34,794 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2020-10-20 07:03:34,800 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:03:34,800 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:03:34,800 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:03:34,801 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:03:34,801 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:03:34,801 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:34,801 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:03:34,801 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:03:34,801 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2.c_Iteration5_Lasso [2020-10-20 07:03:34,801 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:03:34,801 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:03:34,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:34,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:34,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:34,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:34,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:34,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:34,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:34,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:34,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:34,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:34,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:34,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:34,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:34,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:34,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:34,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:34,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:34,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:35,473 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:03:35,474 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-10-20 07:03:35,486 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 [2020-10-20 07:03:35,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:35,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:35,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:35,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:35,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:35,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:35,494 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 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 [2020-10-20 07:03:35,516 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 [2020-10-20 07:03:35,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:35,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:35,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:35,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:35,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:35,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:35,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:35,526 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:03:35,573 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 [2020-10-20 07:03:35,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:35,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:35,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:35,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:35,577 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:35,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:35,584 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:03:35,644 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 [2020-10-20 07:03:35,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:35,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:35,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:35,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:35,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:35,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:35,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:35,649 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:03:35,700 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 [2020-10-20 07:03:35,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:35,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:35,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:35,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:35,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:35,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:35,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:35,723 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:03:35,767 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 [2020-10-20 07:03:35,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:35,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:35,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:35,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:35,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:35,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:35,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:35,771 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:03:35,803 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 [2020-10-20 07:03:35,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:35,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:35,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:35,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:35,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:35,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:35,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:35,808 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) [2020-10-20 07:03:35,842 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 [2020-10-20 07:03:35,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:35,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:35,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:35,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:35,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:35,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:35,849 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 [2020-10-20 07:03:35,877 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 [2020-10-20 07:03:35,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:35,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:35,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:35,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:35,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:35,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:35,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:35,880 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 [2020-10-20 07:03:35,901 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 [2020-10-20 07:03:35,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:35,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:35,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:35,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:35,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:35,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:35,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:35,905 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 [2020-10-20 07:03:35,929 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 [2020-10-20 07:03:35,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:35,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:35,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:35,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:35,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:35,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:35,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:35,935 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 [2020-10-20 07:03:35,957 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 [2020-10-20 07:03:35,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:35,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:35,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:35,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:35,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:35,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:35,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:35,960 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 [2020-10-20 07:03:35,983 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 [2020-10-20 07:03:35,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:35,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:35,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:35,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:35,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:35,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:35,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:35,986 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 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 [2020-10-20 07:03:36,011 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 [2020-10-20 07:03:36,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:36,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:36,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:36,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:36,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:36,013 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:36,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:36,020 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:03:36,042 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 [2020-10-20 07:03:36,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:36,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:36,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:36,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:36,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:36,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:36,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:36,046 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:03:36,069 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 [2020-10-20 07:03:36,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:36,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:36,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:36,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:36,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:36,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:36,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:36,074 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:03:36,099 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 [2020-10-20 07:03:36,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:36,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:36,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:36,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:36,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:36,102 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:36,105 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:03:36,127 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:36,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:36,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:36,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:36,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:36,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:36,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:36,134 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 46 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:36,156 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 [2020-10-20 07:03:36,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:36,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:36,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:36,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:36,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:36,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:36,161 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 47 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:36,182 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 [2020-10-20 07:03:36,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:36,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:36,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:36,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:36,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:36,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:36,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:36,187 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) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:36,210 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 [2020-10-20 07:03:36,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:36,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:36,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:36,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:36,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:36,212 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:36,215 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) [2020-10-20 07:03:36,238 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 [2020-10-20 07:03:36,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:36,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:36,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:36,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:36,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:36,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:36,245 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) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:36,267 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 [2020-10-20 07:03:36,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:36,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:36,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:36,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:36,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:36,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:36,293 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:03:36,327 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-10-20 07:03:36,327 INFO L444 ModelExtractionUtils]: 9 out of 19 variables were initially zero. Simplification set additionally 6 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) [2020-10-20 07:03:36,330 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:36,333 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-20 07:03:36,333 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:03:36,334 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#v~0.base)_2, ULTIMATE.start_main_~j~0) = 1*v_rep(select #length ULTIMATE.start_main_~#v~0.base)_2 - 2*ULTIMATE.start_main_~j~0 Supporting invariants [1*ULTIMATE.start_main_~#v~0.offset >= 0] [2020-10-20 07:03:36,414 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2020-10-20 07:03:36,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-20 07:03:36,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:36,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 07:03:36,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:03:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:36,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 07:03:36,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:03:36,494 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 07:03:36,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:03:36,558 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2020-10-20 07:03:36,558 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 7 Second operand 6 states. [2020-10-20 07:03:36,727 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 7. Second operand 6 states. Result 46 states and 60 transitions. Complement of second has 11 states. [2020-10-20 07:03:36,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2020-10-20 07:03:36,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-20 07:03:36,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 28 transitions. [2020-10-20 07:03:36,730 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 28 transitions. Stem has 8 letters. Loop has 6 letters. [2020-10-20 07:03:36,731 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:03:36,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 28 transitions. Stem has 14 letters. Loop has 6 letters. [2020-10-20 07:03:36,731 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:03:36,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 28 transitions. Stem has 8 letters. Loop has 12 letters. [2020-10-20 07:03:36,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:03:36,732 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 60 transitions. [2020-10-20 07:03:36,734 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2020-10-20 07:03:36,734 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 38 states and 48 transitions. [2020-10-20 07:03:36,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2020-10-20 07:03:36,735 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2020-10-20 07:03:36,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 48 transitions. [2020-10-20 07:03:36,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:03:36,735 INFO L691 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2020-10-20 07:03:36,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 48 transitions. [2020-10-20 07:03:36,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2020-10-20 07:03:36,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-20 07:03:36,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions. [2020-10-20 07:03:36,739 INFO L714 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2020-10-20 07:03:36,739 INFO L594 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2020-10-20 07:03:36,739 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-10-20 07:03:36,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 46 transitions. [2020-10-20 07:03:36,740 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2020-10-20 07:03:36,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:03:36,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:03:36,741 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2020-10-20 07:03:36,741 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-20 07:03:36,741 INFO L794 eck$LassoCheckResult]: Stem: 562#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 559#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 560#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 539#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 540#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 565#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 568#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 563#L17-4 main_~j~0 := 1; 564#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 547#L22-5 [2020-10-20 07:03:36,741 INFO L796 eck$LassoCheckResult]: Loop: 547#L22-5 main_#t~short13 := main_~i~0 >= 0; 567#L22-1 assume !main_#t~short13; 566#L22-3 assume !main_#t~short13;havoc main_#t~short13;havoc main_#t~mem12; 542#L22-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 543#L19-2 main_#t~post10 := main_~j~0;main_~j~0 := 1 + main_#t~post10;havoc main_#t~post10; 546#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 547#L22-5 [2020-10-20 07:03:36,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:36,742 INFO L82 PathProgramCache]: Analyzing trace with hash -367607191, now seen corresponding path program 1 times [2020-10-20 07:03:36,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:36,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421837310] [2020-10-20 07:03:36,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:36,754 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:36,765 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:36,768 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:36,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:36,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1750324566, now seen corresponding path program 1 times [2020-10-20 07:03:36,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:36,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620455879] [2020-10-20 07:03:36,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:36,774 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:36,777 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:36,778 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:36,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:36,779 INFO L82 PathProgramCache]: Analyzing trace with hash -531027522, now seen corresponding path program 1 times [2020-10-20 07:03:36,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:36,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962578776] [2020-10-20 07:03:36,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:36,809 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-20 07:03:36,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962578776] [2020-10-20 07:03:36,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:03:36,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 07:03:36,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246147471] [2020-10-20 07:03:36,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:03:36,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 07:03:36,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 07:03:36,916 INFO L87 Difference]: Start difference. First operand 36 states and 46 transitions. cyclomatic complexity: 15 Second operand 5 states. [2020-10-20 07:03:36,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:03:36,976 INFO L93 Difference]: Finished difference Result 64 states and 79 transitions. [2020-10-20 07:03:36,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 07:03:36,977 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 79 transitions. [2020-10-20 07:03:36,979 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 24 [2020-10-20 07:03:36,980 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 64 states and 79 transitions. [2020-10-20 07:03:36,980 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2020-10-20 07:03:36,980 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2020-10-20 07:03:36,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 79 transitions. [2020-10-20 07:03:36,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:03:36,981 INFO L691 BuchiCegarLoop]: Abstraction has 64 states and 79 transitions. [2020-10-20 07:03:36,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states and 79 transitions. [2020-10-20 07:03:36,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 38. [2020-10-20 07:03:36,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-20 07:03:36,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 48 transitions. [2020-10-20 07:03:36,984 INFO L714 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2020-10-20 07:03:36,984 INFO L594 BuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2020-10-20 07:03:36,985 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-10-20 07:03:36,985 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 48 transitions. [2020-10-20 07:03:36,985 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2020-10-20 07:03:36,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:03:36,986 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:03:36,986 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2020-10-20 07:03:36,986 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 07:03:36,986 INFO L794 eck$LassoCheckResult]: Stem: 678#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 674#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 675#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 680#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 681#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 651#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 652#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 679#L17-4 main_~j~0 := 1; 656#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 657#L22-5 [2020-10-20 07:03:36,987 INFO L796 eck$LassoCheckResult]: Loop: 657#L22-5 main_#t~short13 := main_~i~0 >= 0; 669#L22-1 assume main_#t~short13;call main_#t~mem12 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short13 := main_#t~mem12 > main_~key~0; 672#L22-3 assume !!main_#t~short13;havoc main_#t~short13;havoc main_#t~mem12;call main_#t~mem14 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);call write~int(main_#t~mem14, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4);havoc main_#t~mem14;main_~i~0 := main_~i~0 - 1; 657#L22-5 [2020-10-20 07:03:36,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:36,987 INFO L82 PathProgramCache]: Analyzing trace with hash -367607191, now seen corresponding path program 2 times [2020-10-20 07:03:36,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:36,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894425575] [2020-10-20 07:03:36,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:36,999 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:37,008 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:37,012 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:37,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:37,013 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2020-10-20 07:03:37,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:37,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932973933] [2020-10-20 07:03:37,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:37,017 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:37,019 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:37,021 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:37,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:37,021 INFO L82 PathProgramCache]: Analyzing trace with hash 780806620, now seen corresponding path program 1 times [2020-10-20 07:03:37,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:37,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820391206] [2020-10-20 07:03:37,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:37,034 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:37,047 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:37,051 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:37,532 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 120 [2020-10-20 07:03:37,834 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2020-10-20 07:03:37,836 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:03:37,836 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:03:37,836 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:03:37,837 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:03:37,837 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:03:37,837 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:37,837 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:03:37,837 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:03:37,837 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2.c_Iteration7_Lasso [2020-10-20 07:03:37,837 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:03:37,838 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:03:37,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:37,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:37,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:37,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:37,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:37,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:37,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:37,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:37,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:38,092 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2020-10-20 07:03:38,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:38,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:38,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:38,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:38,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:38,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:38,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:38,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:38,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:38,495 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:03:38,496 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:38,500 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 [2020-10-20 07:03:38,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:38,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:38,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:38,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:38,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:38,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:38,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:38,503 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 53 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:38,525 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 [2020-10-20 07:03:38,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:38,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:38,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:38,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:38,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:38,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:38,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:38,528 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 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 [2020-10-20 07:03:38,550 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 [2020-10-20 07:03:38,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:38,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:38,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:38,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:38,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:38,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:38,556 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 55 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:38,579 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 [2020-10-20 07:03:38,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:38,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:38,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:38,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:38,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:38,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:38,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:38,582 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 [2020-10-20 07:03:38,604 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 [2020-10-20 07:03:38,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:38,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:38,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:38,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:38,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:38,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:38,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:38,608 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 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 [2020-10-20 07:03:38,631 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 [2020-10-20 07:03:38,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:38,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:38,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:38,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:38,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:38,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:38,636 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 58 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:38,660 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 [2020-10-20 07:03:38,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:38,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:38,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:38,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:38,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:38,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:38,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:38,664 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 59 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:38,686 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 [2020-10-20 07:03:38,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:38,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:38,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:38,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:38,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:38,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:38,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:38,689 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 60 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 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:38,712 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 [2020-10-20 07:03:38,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:38,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:38,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:38,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:38,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:38,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:38,722 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 61 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 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:38,742 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 [2020-10-20 07:03:38,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:38,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:38,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:38,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:38,748 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:38,748 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:38,764 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:03:38,803 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2020-10-20 07:03:38,803 INFO L444 ModelExtractionUtils]: 5 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. 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 [2020-10-20 07:03:38,806 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:03:38,808 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 07:03:38,808 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:03:38,808 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 2*ULTIMATE.start_main_~i~0 + 1 Supporting invariants [] [2020-10-20 07:03:38,868 INFO L297 tatePredicateManager]: 14 out of 14 supporting invariants were superfluous and have been removed [2020-10-20 07:03:38,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:38,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:03:38,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:03:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:38,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 07:03:38,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:03:38,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:03:38,936 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 [2020-10-20 07:03:38,936 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 48 transitions. cyclomatic complexity: 15 Second operand 4 states. [2020-10-20 07:03:38,974 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 48 transitions. cyclomatic complexity: 15. Second operand 4 states. Result 89 states and 109 transitions. Complement of second has 9 states. [2020-10-20 07:03:38,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-10-20 07:03:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:03:38,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2020-10-20 07:03:38,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 9 letters. Loop has 3 letters. [2020-10-20 07:03:38,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:03:38,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 12 letters. Loop has 3 letters. [2020-10-20 07:03:38,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:03:38,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 9 letters. Loop has 6 letters. [2020-10-20 07:03:38,977 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:03:38,977 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 89 states and 109 transitions. [2020-10-20 07:03:38,978 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 25 [2020-10-20 07:03:38,981 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 89 states to 66 states and 82 transitions. [2020-10-20 07:03:38,981 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2020-10-20 07:03:38,981 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2020-10-20 07:03:38,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 82 transitions. [2020-10-20 07:03:38,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:03:38,982 INFO L691 BuchiCegarLoop]: Abstraction has 66 states and 82 transitions. [2020-10-20 07:03:38,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 82 transitions. [2020-10-20 07:03:38,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 42. [2020-10-20 07:03:38,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-20 07:03:38,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 54 transitions. [2020-10-20 07:03:38,986 INFO L714 BuchiCegarLoop]: Abstraction has 42 states and 54 transitions. [2020-10-20 07:03:38,986 INFO L594 BuchiCegarLoop]: Abstraction has 42 states and 54 transitions. [2020-10-20 07:03:38,996 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-10-20 07:03:38,997 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 54 transitions. [2020-10-20 07:03:38,997 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2020-10-20 07:03:38,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:03:38,998 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:03:38,998 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2020-10-20 07:03:38,998 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-20 07:03:38,998 INFO L794 eck$LassoCheckResult]: Stem: 927#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 923#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 924#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 929#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 930#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 898#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 899#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 928#L17-4 main_~j~0 := 1; 903#L19-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 900#L19-4 main_~k~0 := 1; 901#L28-3 [2020-10-20 07:03:38,999 INFO L796 eck$LassoCheckResult]: Loop: 901#L28-3 assume !!(main_~k~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem16 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * (main_~k~0 - 1), 4);call main_#t~mem17 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~k~0, 4);__VERIFIER_assert_#in~cond := (if main_#t~mem16 <= main_#t~mem17 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 911#L6 assume !(0 == __VERIFIER_assert_~cond); 912#L6-2 havoc main_#t~mem16;havoc main_#t~mem17; 902#L28-2 main_#t~post15 := main_~k~0;main_~k~0 := 1 + main_#t~post15;havoc main_#t~post15; 901#L28-3 [2020-10-20 07:03:38,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:38,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1489078955, now seen corresponding path program 1 times [2020-10-20 07:03:38,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:39,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089445318] [2020-10-20 07:03:39,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:39,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:03:39,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089445318] [2020-10-20 07:03:39,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107506659] [2020-10-20 07:03:39,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 07:03:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:39,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 07:03:39,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:03:39,192 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2020-10-20 07:03:39,192 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 07:03:39,222 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 07:03:39,227 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2020-10-20 07:03:39,227 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 07:03:39,247 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 07:03:39,248 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2020-10-20 07:03:39,248 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:48, output treesize:46 [2020-10-20 07:03:39,279 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 07:03:39,310 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 07:03:39,333 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2020-10-20 07:03:39,334 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 07:03:39,349 INFO L625 ElimStorePlain]: treesize reduction 30, result has 40.0 percent of original size [2020-10-20 07:03:39,349 INFO L513 ElimStorePlain]: Eliminatee |#length| vanished before elimination [2020-10-20 07:03:39,350 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 07:03:39,351 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:57, output treesize:11 [2020-10-20 07:03:39,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:03:39,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 07:03:39,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2020-10-20 07:03:39,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008006195] [2020-10-20 07:03:39,408 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:03:39,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:39,409 INFO L82 PathProgramCache]: Analyzing trace with hash 2718028, now seen corresponding path program 1 times [2020-10-20 07:03:39,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:39,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016405533] [2020-10-20 07:03:39,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:39,414 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:39,417 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:39,419 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:39,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:03:39,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-20 07:03:39,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-20 07:03:39,526 INFO L87 Difference]: Start difference. First operand 42 states and 54 transitions. cyclomatic complexity: 18 Second operand 10 states. [2020-10-20 07:03:39,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:03:39,804 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2020-10-20 07:03:39,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 07:03:39,805 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 56 transitions. [2020-10-20 07:03:39,806 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2020-10-20 07:03:39,807 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 56 transitions. [2020-10-20 07:03:39,808 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2020-10-20 07:03:39,808 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2020-10-20 07:03:39,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 56 transitions. [2020-10-20 07:03:39,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:03:39,809 INFO L691 BuchiCegarLoop]: Abstraction has 45 states and 56 transitions. [2020-10-20 07:03:39,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 56 transitions. [2020-10-20 07:03:39,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2020-10-20 07:03:39,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-20 07:03:39,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 53 transitions. [2020-10-20 07:03:39,812 INFO L714 BuchiCegarLoop]: Abstraction has 42 states and 53 transitions. [2020-10-20 07:03:39,813 INFO L594 BuchiCegarLoop]: Abstraction has 42 states and 53 transitions. [2020-10-20 07:03:39,813 INFO L427 BuchiCegarLoop]: ======== Iteration 9============ [2020-10-20 07:03:39,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 53 transitions. [2020-10-20 07:03:39,813 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2020-10-20 07:03:39,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:03:39,814 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:03:39,814 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:03:39,814 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-20 07:03:39,814 INFO L794 eck$LassoCheckResult]: Stem: 1061#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1056#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 1057#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 1031#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 1032#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 1063#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 1064#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 1062#L17-4 main_~j~0 := 1; 1036#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 1037#L22-5 main_#t~short13 := main_~i~0 >= 0; 1059#L22-1 assume main_#t~short13;call main_#t~mem12 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short13 := main_#t~mem12 > main_~key~0; 1060#L22-3 assume !main_#t~short13;havoc main_#t~short13;havoc main_#t~mem12; 1042#L22-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 1043#L19-2 main_#t~post10 := main_~j~0;main_~j~0 := 1 + main_#t~post10;havoc main_#t~post10; 1047#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 1048#L22-5 [2020-10-20 07:03:39,815 INFO L796 eck$LassoCheckResult]: Loop: 1048#L22-5 main_#t~short13 := main_~i~0 >= 0; 1049#L22-1 assume !main_#t~short13; 1068#L22-3 assume !main_#t~short13;havoc main_#t~short13;havoc main_#t~mem12; 1040#L22-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 1041#L19-2 main_#t~post10 := main_~j~0;main_~j~0 := 1 + main_#t~post10;havoc main_#t~post10; 1046#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 1048#L22-5 [2020-10-20 07:03:39,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:39,815 INFO L82 PathProgramCache]: Analyzing trace with hash -532874564, now seen corresponding path program 3 times [2020-10-20 07:03:39,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:39,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092390568] [2020-10-20 07:03:39,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:40,104 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:03:40,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092390568] [2020-10-20 07:03:40,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385097112] [2020-10-20 07:03:40,105 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 07:03:40,155 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-10-20 07:03:40,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-20 07:03:40,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-20 07:03:40,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:03:40,175 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2020-10-20 07:03:40,175 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 07:03:40,197 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 07:03:40,202 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2020-10-20 07:03:40,202 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 07:03:40,224 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 07:03:40,224 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2020-10-20 07:03:40,225 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:48, output treesize:46 [2020-10-20 07:03:40,348 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-20 07:03:40,470 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:03:40,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 07:03:40,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2020-10-20 07:03:40,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929951534] [2020-10-20 07:03:40,472 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:03:40,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:40,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1750324566, now seen corresponding path program 2 times [2020-10-20 07:03:40,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:40,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194485599] [2020-10-20 07:03:40,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:40,478 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:40,481 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:40,483 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:40,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:03:40,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-20 07:03:40,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-20 07:03:40,603 INFO L87 Difference]: Start difference. First operand 42 states and 53 transitions. cyclomatic complexity: 17 Second operand 14 states. [2020-10-20 07:03:41,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:03:41,099 INFO L93 Difference]: Finished difference Result 62 states and 77 transitions. [2020-10-20 07:03:41,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 07:03:41,101 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 77 transitions. [2020-10-20 07:03:41,102 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 17 [2020-10-20 07:03:41,103 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 62 states and 77 transitions. [2020-10-20 07:03:41,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2020-10-20 07:03:41,105 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2020-10-20 07:03:41,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 77 transitions. [2020-10-20 07:03:41,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:03:41,106 INFO L691 BuchiCegarLoop]: Abstraction has 62 states and 77 transitions. [2020-10-20 07:03:41,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 77 transitions. [2020-10-20 07:03:41,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 56. [2020-10-20 07:03:41,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-20 07:03:41,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2020-10-20 07:03:41,112 INFO L714 BuchiCegarLoop]: Abstraction has 56 states and 71 transitions. [2020-10-20 07:03:41,112 INFO L594 BuchiCegarLoop]: Abstraction has 56 states and 71 transitions. [2020-10-20 07:03:41,112 INFO L427 BuchiCegarLoop]: ======== Iteration 10============ [2020-10-20 07:03:41,112 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 71 transitions. [2020-10-20 07:03:41,113 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2020-10-20 07:03:41,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:03:41,113 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:03:41,114 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:03:41,114 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-20 07:03:41,114 INFO L794 eck$LassoCheckResult]: Stem: 1229#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1224#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 1225#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 1202#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 1203#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 1232#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 1245#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 1246#L17-4 main_~j~0 := 1; 1256#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 1250#L22-5 main_#t~short13 := main_~i~0 >= 0; 1226#L22-1 assume main_#t~short13;call main_#t~mem12 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short13 := main_#t~mem12 > main_~key~0; 1221#L22-3 assume !main_#t~short13;havoc main_#t~short13;havoc main_#t~mem12; 1210#L22-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 1211#L19-2 main_#t~post10 := main_~j~0;main_~j~0 := 1 + main_#t~post10;havoc main_#t~post10; 1207#L19-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 1204#L19-4 main_~k~0 := 1; 1205#L28-3 [2020-10-20 07:03:41,115 INFO L796 eck$LassoCheckResult]: Loop: 1205#L28-3 assume !!(main_~k~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem16 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * (main_~k~0 - 1), 4);call main_#t~mem17 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~k~0, 4);__VERIFIER_assert_#in~cond := (if main_#t~mem16 <= main_#t~mem17 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 1214#L6 assume !(0 == __VERIFIER_assert_~cond); 1215#L6-2 havoc main_#t~mem16;havoc main_#t~mem17; 1206#L28-2 main_#t~post15 := main_~k~0;main_~k~0 := 1 + main_#t~post15;havoc main_#t~post15; 1205#L28-3 [2020-10-20 07:03:41,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:41,115 INFO L82 PathProgramCache]: Analyzing trace with hash 660757688, now seen corresponding path program 1 times [2020-10-20 07:03:41,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:41,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36602461] [2020-10-20 07:03:41,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:41,130 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:41,144 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:41,157 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:41,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:41,158 INFO L82 PathProgramCache]: Analyzing trace with hash 2718028, now seen corresponding path program 2 times [2020-10-20 07:03:41,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:41,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776724210] [2020-10-20 07:03:41,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:41,162 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:41,165 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:41,167 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:41,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:41,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1055874429, now seen corresponding path program 1 times [2020-10-20 07:03:41,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:41,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149253447] [2020-10-20 07:03:41,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:41,187 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:41,201 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:41,205 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:42,108 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 145 [2020-10-20 07:03:42,644 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 106 [2020-10-20 07:03:42,654 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:03:42,655 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:03:42,655 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:03:42,655 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:03:42,655 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:03:42,655 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:42,655 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:03:42,655 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:03:42,655 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2.c_Iteration10_Lasso [2020-10-20 07:03:42,655 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:03:42,655 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:03:42,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:42,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:42,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:42,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:42,941 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2020-10-20 07:03:43,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:43,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:43,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:43,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:43,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:43,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:43,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:43,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:43,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:43,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:43,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:43,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:43,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:43,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:43,561 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:03:43,561 INFO L489 LassoAnalysis]: Using template 'affine'. 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 [2020-10-20 07:03:43,570 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 [2020-10-20 07:03:43,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:43,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:43,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:43,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:43,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:43,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:43,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:43,573 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 [2020-10-20 07:03:43,594 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 [2020-10-20 07:03:43,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:43,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:43,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:43,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:43,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:43,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:43,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:43,597 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 67 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:43,619 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 [2020-10-20 07:03:43,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:43,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:43,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:43,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:43,622 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:43,622 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:43,624 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 68 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:43,646 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 [2020-10-20 07:03:43,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:43,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:43,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:43,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:43,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:43,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:43,651 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 69 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:43,672 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 [2020-10-20 07:03:43,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:43,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:43,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:43,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:43,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:43,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:43,679 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 70 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 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:43,700 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 [2020-10-20 07:03:43,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:43,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:43,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:43,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:43,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:43,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:43,705 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 71 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 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:43,727 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 [2020-10-20 07:03:43,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:43,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:43,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:43,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:43,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:43,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:43,732 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 72 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:43,754 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 [2020-10-20 07:03:43,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:43,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:43,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:43,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:43,757 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:43,757 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:43,760 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 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 [2020-10-20 07:03:43,780 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 [2020-10-20 07:03:43,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:43,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:43,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:43,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:43,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:43,787 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:43,808 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:03:43,829 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-20 07:03:43,830 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. 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 [2020-10-20 07:03:43,834 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:03:43,840 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 07:03:43,840 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:03:43,840 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~#v~0.offset, v_rep(select #length ULTIMATE.start_main_~#v~0.base)_4, ULTIMATE.start_main_~k~0) = -1*ULTIMATE.start_main_~#v~0.offset + 1*v_rep(select #length ULTIMATE.start_main_~#v~0.base)_4 - 4*ULTIMATE.start_main_~k~0 Supporting invariants [] [2020-10-20 07:03:43,937 INFO L297 tatePredicateManager]: 18 out of 18 supporting invariants were superfluous and have been removed [2020-10-20 07:03:43,939 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-20 07:03:43,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:43,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:03:43,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:03:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:43,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:03:43,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:03:43,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:03:43,993 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-20 07:03:43,993 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 71 transitions. cyclomatic complexity: 22 Second operand 3 states. [2020-10-20 07:03:44,012 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 71 transitions. cyclomatic complexity: 22. Second operand 3 states. Result 60 states and 76 transitions. Complement of second has 4 states. [2020-10-20 07:03:44,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 07:03:44,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-20 07:03:44,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 20 transitions. [2020-10-20 07:03:44,013 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 16 letters. Loop has 4 letters. [2020-10-20 07:03:44,013 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:03:44,013 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 20 letters. Loop has 4 letters. [2020-10-20 07:03:44,014 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:03:44,014 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 16 letters. Loop has 8 letters. [2020-10-20 07:03:44,014 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:03:44,014 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 76 transitions. [2020-10-20 07:03:44,015 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2020-10-20 07:03:44,016 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 39 states and 48 transitions. [2020-10-20 07:03:44,016 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2020-10-20 07:03:44,016 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2020-10-20 07:03:44,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 48 transitions. [2020-10-20 07:03:44,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:03:44,016 INFO L691 BuchiCegarLoop]: Abstraction has 39 states and 48 transitions. [2020-10-20 07:03:44,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 48 transitions. [2020-10-20 07:03:44,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-10-20 07:03:44,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-20 07:03:44,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2020-10-20 07:03:44,020 INFO L714 BuchiCegarLoop]: Abstraction has 39 states and 48 transitions. [2020-10-20 07:03:44,020 INFO L594 BuchiCegarLoop]: Abstraction has 39 states and 48 transitions. [2020-10-20 07:03:44,020 INFO L427 BuchiCegarLoop]: ======== Iteration 11============ [2020-10-20 07:03:44,020 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 48 transitions. [2020-10-20 07:03:44,021 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2020-10-20 07:03:44,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:03:44,021 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:03:44,021 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:03:44,022 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-10-20 07:03:44,022 INFO L794 eck$LassoCheckResult]: Stem: 1486#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1472#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 1473#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 1470#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 1471#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 1494#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 1501#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 1498#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 1497#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 1491#L17-4 main_~j~0 := 1; 1478#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 1479#L22-5 main_#t~short13 := main_~i~0 >= 0; 1476#L22-1 assume main_#t~short13;call main_#t~mem12 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short13 := main_#t~mem12 > main_~key~0; 1477#L22-3 assume !main_#t~short13;havoc main_#t~short13;havoc main_#t~mem12; 1503#L22-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 1502#L19-2 main_#t~post10 := main_~j~0;main_~j~0 := 1 + main_#t~post10;havoc main_#t~post10; 1500#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 1499#L22-5 [2020-10-20 07:03:44,022 INFO L796 eck$LassoCheckResult]: Loop: 1499#L22-5 main_#t~short13 := main_~i~0 >= 0; 1496#L22-1 assume !main_#t~short13; 1495#L22-3 assume !main_#t~short13;havoc main_#t~short13;havoc main_#t~mem12; 1482#L22-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 1483#L19-2 main_#t~post10 := main_~j~0;main_~j~0 := 1 + main_#t~post10;havoc main_#t~post10; 1490#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 1499#L22-5 [2020-10-20 07:03:44,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:44,023 INFO L82 PathProgramCache]: Analyzing trace with hash -610483846, now seen corresponding path program 4 times [2020-10-20 07:03:44,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:44,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058886300] [2020-10-20 07:03:44,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:44,040 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:44,058 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:44,062 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:44,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:44,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1750324566, now seen corresponding path program 3 times [2020-10-20 07:03:44,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:44,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215794079] [2020-10-20 07:03:44,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:44,068 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:44,071 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:44,072 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:44,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:44,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1301424113, now seen corresponding path program 1 times [2020-10-20 07:03:44,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:44,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535934362] [2020-10-20 07:03:44,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:44,167 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-20 07:03:44,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535934362] [2020-10-20 07:03:44,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19477277] [2020-10-20 07:03:44,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 07:03:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:44,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 07:03:44,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:03:44,218 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 07:03:44,220 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-20 07:03:44,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 07:03:44,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-10-20 07:03:44,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803273329] [2020-10-20 07:03:44,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:03:44,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 07:03:44,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-20 07:03:44,326 INFO L87 Difference]: Start difference. First operand 39 states and 48 transitions. cyclomatic complexity: 14 Second operand 7 states. [2020-10-20 07:03:44,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:03:44,413 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2020-10-20 07:03:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 07:03:44,414 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 48 transitions. [2020-10-20 07:03:44,414 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 07:03:44,415 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 48 transitions. [2020-10-20 07:03:44,415 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2020-10-20 07:03:44,415 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-10-20 07:03:44,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 48 transitions. [2020-10-20 07:03:44,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:03:44,416 INFO L691 BuchiCegarLoop]: Abstraction has 39 states and 48 transitions. [2020-10-20 07:03:44,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 48 transitions. [2020-10-20 07:03:44,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 29. [2020-10-20 07:03:44,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-20 07:03:44,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2020-10-20 07:03:44,418 INFO L714 BuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2020-10-20 07:03:44,418 INFO L594 BuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2020-10-20 07:03:44,418 INFO L427 BuchiCegarLoop]: ======== Iteration 12============ [2020-10-20 07:03:44,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 36 transitions. [2020-10-20 07:03:44,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 07:03:44,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:03:44,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:03:44,420 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:03:44,420 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 07:03:44,420 INFO L794 eck$LassoCheckResult]: Stem: 1645#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1630#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet9, main_#t~post8, main_#t~mem11, main_#t~mem14, main_#t~mem12, main_#t~short13, main_#t~post10, main_#t~mem16, main_#t~mem17, main_#t~post15, main_~SIZE~0, main_~i~0, main_~j~0, main_~k~0, main_~key~0, main_~#v~0.base, main_~#v~0.offset;main_~SIZE~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~i~0;havoc main_~j~0;havoc main_~k~0;havoc main_~key~0;call main_~#v~0.base, main_~#v~0.offset := #Ultimate.allocOnStack(4 * (if main_~SIZE~0 % 4294967296 % 4294967296 <= 2147483647 then main_~SIZE~0 % 4294967296 % 4294967296 else main_~SIZE~0 % 4294967296 % 4294967296 - 4294967296));main_~j~0 := 0; 1631#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 1632#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 1633#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 1649#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 1652#L17-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call write~int(main_#t~nondet9, main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);havoc main_#t~nondet9; 1651#L17-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 1650#L17-3 assume !(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296); 1646#L17-4 main_~j~0 := 1; 1640#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 1641#L22-5 main_#t~short13 := main_~i~0 >= 0; 1656#L22-1 assume main_#t~short13;call main_#t~mem12 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short13 := main_#t~mem12 > main_~key~0; 1653#L22-3 assume !main_#t~short13;havoc main_#t~short13;havoc main_#t~mem12; 1638#L22-6 call write~int(main_~key~0, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4); 1639#L19-2 main_#t~post10 := main_~j~0;main_~j~0 := 1 + main_#t~post10;havoc main_#t~post10; 1642#L19-3 assume !!(main_~j~0 % 4294967296 < main_~SIZE~0 % 4294967296);call main_#t~mem11 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~j~0, 4);main_~key~0 := main_#t~mem11;havoc main_#t~mem11;main_~i~0 := main_~j~0 - 1; 1644#L22-5 [2020-10-20 07:03:44,420 INFO L796 eck$LassoCheckResult]: Loop: 1644#L22-5 main_#t~short13 := main_~i~0 >= 0; 1634#L22-1 assume main_#t~short13;call main_#t~mem12 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);main_#t~short13 := main_#t~mem12 > main_~key~0; 1635#L22-3 assume !!main_#t~short13;havoc main_#t~short13;havoc main_#t~mem12;call main_#t~mem14 := read~int(main_~#v~0.base, main_~#v~0.offset + 4 * main_~i~0, 4);call write~int(main_#t~mem14, main_~#v~0.base, main_~#v~0.offset + 4 * (1 + main_~i~0), 4);havoc main_#t~mem14;main_~i~0 := main_~i~0 - 1; 1644#L22-5 [2020-10-20 07:03:44,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:44,421 INFO L82 PathProgramCache]: Analyzing trace with hash -610483846, now seen corresponding path program 5 times [2020-10-20 07:03:44,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:44,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669510777] [2020-10-20 07:03:44,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:44,436 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:44,449 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:44,453 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:44,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:44,453 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2020-10-20 07:03:44,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:44,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591336618] [2020-10-20 07:03:44,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:44,457 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:44,459 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:44,460 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:44,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:44,460 INFO L82 PathProgramCache]: Analyzing trace with hash -2032696021, now seen corresponding path program 1 times [2020-10-20 07:03:44,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:03:44,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195632961] [2020-10-20 07:03:44,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:03:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:44,476 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:03:44,492 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:03:44,496 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:03:44,748 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-10-20 07:03:45,612 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 156 [2020-10-20 07:03:45,960 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 104 [2020-10-20 07:03:45,963 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:03:45,964 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:03:45,964 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:03:45,964 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:03:45,964 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:03:45,964 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:45,964 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:03:45,964 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:03:45,964 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2.c_Iteration12_Lasso [2020-10-20 07:03:45,964 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:03:45,964 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:03:45,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:45,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:45,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:45,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:45,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:45,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:45,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:45,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:45,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:45,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:45,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:45,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:46,292 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2020-10-20 07:03:46,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:46,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:46,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:46,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:46,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:46,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:03:46,767 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:03:46,767 INFO L489 LassoAnalysis]: Using template 'affine'. 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 [2020-10-20 07:03:46,769 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 [2020-10-20 07:03:46,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:46,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:46,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:46,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:46,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:46,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:46,775 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 77 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 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:46,797 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 [2020-10-20 07:03:46,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:46,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:46,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:46,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:46,800 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:46,800 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:46,803 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 78 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 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:46,824 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 [2020-10-20 07:03:46,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:46,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:46,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:46,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:46,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:46,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:46,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:46,827 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 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 [2020-10-20 07:03:46,851 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 [2020-10-20 07:03:46,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:46,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:46,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:46,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:46,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:46,852 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:46,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:46,853 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 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 [2020-10-20 07:03:46,875 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 [2020-10-20 07:03:46,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:46,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:46,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:46,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:46,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:46,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:46,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:46,877 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 81 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 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:46,899 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 [2020-10-20 07:03:46,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:46,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:46,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:46,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:46,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:46,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:46,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:46,901 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 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 [2020-10-20 07:03:46,924 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 [2020-10-20 07:03:46,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:46,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:46,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:46,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:46,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:46,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:46,926 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:46,927 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 83 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 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:46,949 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 [2020-10-20 07:03:46,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:46,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:46,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:46,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:46,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:46,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:46,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:46,952 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 84 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 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:46,974 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 [2020-10-20 07:03:46,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:46,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:46,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:46,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:46,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:46,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:46,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:46,977 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 85 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 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:46,998 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 [2020-10-20 07:03:47,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:47,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:47,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:47,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:47,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:47,000 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:47,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:47,002 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 86 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 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:47,023 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 [2020-10-20 07:03:47,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:47,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:47,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:47,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:47,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:47,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:47,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:47,026 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 87 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 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:47,052 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 [2020-10-20 07:03:47,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:47,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:47,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:47,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:47,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:47,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:47,060 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 88 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 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:47,082 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 [2020-10-20 07:03:47,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:47,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:47,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:47,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:47,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:47,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:47,090 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 89 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 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:47,113 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 [2020-10-20 07:03:47,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:47,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:47,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:47,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:47,116 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:47,116 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:47,120 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 90 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 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:47,143 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 [2020-10-20 07:03:47,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:47,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:47,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:47,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:47,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:47,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:47,149 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 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:03:47,172 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 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:47,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:47,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:47,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:47,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:47,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:47,175 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:47,181 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 92 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 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:47,203 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 [2020-10-20 07:03:47,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:47,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:47,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:47,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:47,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:47,207 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:47,211 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 93 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 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:47,239 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 [2020-10-20 07:03:47,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:47,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:47,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:47,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:47,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:47,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:47,244 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 94 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 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:47,266 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 [2020-10-20 07:03:47,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:47,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:47,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:47,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:47,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:47,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:47,272 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 95 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 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:47,293 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 [2020-10-20 07:03:47,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:47,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:47,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:47,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:47,295 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:47,295 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:47,297 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 96 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 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:47,319 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 [2020-10-20 07:03:47,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:47,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:47,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:47,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:47,322 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:47,322 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:47,326 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 97 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 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:47,348 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 [2020-10-20 07:03:47,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:47,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:47,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:47,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:47,351 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:47,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:47,357 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 98 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 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:47,378 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 [2020-10-20 07:03:47,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:47,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:03:47,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:47,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:47,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:47,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:03:47,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:03:47,382 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 99 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 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:47,404 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 [2020-10-20 07:03:47,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:03:47,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:03:47,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:03:47,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:03:47,410 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:03:47,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 07:03:47,421 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:03:47,439 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-10-20 07:03:47,439 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 100 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 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:03:47,441 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:03:47,442 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 07:03:47,443 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:03:47,443 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#v~0.base)_5, ULTIMATE.start_main_~i~0) = 1*v_rep(select #length ULTIMATE.start_main_~#v~0.base)_5 + 16*ULTIMATE.start_main_~i~0 Supporting invariants [] [2020-10-20 07:03:47,545 INFO L297 tatePredicateManager]: 24 out of 24 supporting invariants were superfluous and have been removed [2020-10-20 07:03:47,547 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-20 07:03:47,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:47,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:03:47,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:03:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:47,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 07:03:47,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:03:47,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:03:47,622 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 [2020-10-20 07:03:47,623 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 36 transitions. cyclomatic complexity: 11 Second operand 4 states. [2020-10-20 07:03:47,659 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 36 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 49 states and 60 transitions. Complement of second has 9 states. [2020-10-20 07:03:47,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-10-20 07:03:47,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:03:47,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2020-10-20 07:03:47,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 17 letters. Loop has 3 letters. [2020-10-20 07:03:47,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:03:47,660 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-20 07:03:47,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:47,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:03:47,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:03:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:47,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 07:03:47,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:03:47,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:03:47,737 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-20 07:03:47,737 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 36 transitions. cyclomatic complexity: 11 Second operand 4 states. [2020-10-20 07:03:47,769 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 36 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 49 states and 60 transitions. Complement of second has 9 states. [2020-10-20 07:03:47,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-10-20 07:03:47,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:03:47,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2020-10-20 07:03:47,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 17 letters. Loop has 3 letters. [2020-10-20 07:03:47,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:03:47,773 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-10-20 07:03:47,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:03:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:47,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:03:47,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:03:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:03:47,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 07:03:47,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:03:47,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:03:47,882 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 3 loop predicates [2020-10-20 07:03:47,883 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 36 transitions. cyclomatic complexity: 11 Second operand 4 states. [2020-10-20 07:03:47,925 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 36 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 51 states and 65 transitions. Complement of second has 8 states. [2020-10-20 07:03:47,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-10-20 07:03:47,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:03:47,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2020-10-20 07:03:47,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 17 letters. Loop has 3 letters. [2020-10-20 07:03:47,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:03:47,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 20 letters. Loop has 3 letters. [2020-10-20 07:03:47,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:03:47,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 17 letters. Loop has 6 letters. [2020-10-20 07:03:47,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:03:47,928 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 65 transitions. [2020-10-20 07:03:47,929 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:03:47,929 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 0 states and 0 transitions. [2020-10-20 07:03:47,929 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:03:47,929 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:03:47,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:03:47,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:03:47,929 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:03:47,929 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:03:47,930 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:03:47,930 INFO L427 BuchiCegarLoop]: ======== Iteration 13============ [2020-10-20 07:03:47,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 07:03:47,930 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:03:47,930 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 07:03:47,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 07:03:47 BoogieIcfgContainer [2020-10-20 07:03:47,937 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 07:03:47,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 07:03:47,938 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 07:03:47,938 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 07:03:47,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:03:20" (3/4) ... [2020-10-20 07:03:47,942 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 07:03:47,943 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 07:03:47,944 INFO L168 Benchmark]: Toolchain (without parser) took 28435.50 ms. Allocated memory was 38.3 MB in the beginning and 129.0 MB in the end (delta: 90.7 MB). Free memory was 12.2 MB in the beginning and 92.5 MB in the end (delta: -80.3 MB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. [2020-10-20 07:03:47,945 INFO L168 Benchmark]: CDTParser took 0.95 ms. Allocated memory is still 37.7 MB. Free memory was 15.6 MB in the beginning and 15.6 MB in the end (delta: 48.5 kB). Peak memory consumption was 48.5 kB. Max. memory is 14.3 GB. [2020-10-20 07:03:47,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.88 ms. Allocated memory was 38.3 MB in the beginning and 45.1 MB in the end (delta: 6.8 MB). Free memory was 11.2 MB in the beginning and 27.5 MB in the end (delta: -16.3 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. [2020-10-20 07:03:47,946 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.29 ms. Allocated memory is still 45.1 MB. Free memory was 27.5 MB in the beginning and 25.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 07:03:47,946 INFO L168 Benchmark]: Boogie Preprocessor took 28.48 ms. Allocated memory is still 45.1 MB. Free memory was 25.7 MB in the beginning and 24.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 07:03:47,947 INFO L168 Benchmark]: RCFGBuilder took 350.51 ms. Allocated memory was 45.1 MB in the beginning and 46.1 MB in the end (delta: 1.0 MB). Free memory was 24.1 MB in the beginning and 19.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 GB. [2020-10-20 07:03:47,947 INFO L168 Benchmark]: BuchiAutomizer took 27681.68 ms. Allocated memory was 46.1 MB in the beginning and 129.0 MB in the end (delta: 82.8 MB). Free memory was 19.7 MB in the beginning and 92.5 MB in the end (delta: -72.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 14.3 GB. [2020-10-20 07:03:47,948 INFO L168 Benchmark]: Witness Printer took 4.98 ms. Allocated memory is still 129.0 MB. Free memory is still 92.5 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 07:03:47,950 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95 ms. Allocated memory is still 37.7 MB. Free memory was 15.6 MB in the beginning and 15.6 MB in the end (delta: 48.5 kB). Peak memory consumption was 48.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 319.88 ms. Allocated memory was 38.3 MB in the beginning and 45.1 MB in the end (delta: 6.8 MB). Free memory was 11.2 MB in the beginning and 27.5 MB in the end (delta: -16.3 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 40.29 ms. Allocated memory is still 45.1 MB. Free memory was 27.5 MB in the beginning and 25.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 28.48 ms. Allocated memory is still 45.1 MB. Free memory was 25.7 MB in the beginning and 24.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 350.51 ms. Allocated memory was 45.1 MB in the beginning and 46.1 MB in the end (delta: 1.0 MB). Free memory was 24.1 MB in the beginning and 19.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 27681.68 ms. Allocated memory was 46.1 MB in the beginning and 129.0 MB in the end (delta: 82.8 MB). Free memory was 19.7 MB in the beginning and 92.5 MB in the end (delta: -72.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 14.3 GB. * Witness Printer took 4.98 ms. Allocated memory is still 129.0 MB. Free memory is still 92.5 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 12 terminating modules (7 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[v] + -4 * j + -1 * v and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[v] + -2 * j and consists of 7 locations. One deterministic module has affine ranking function 2 * i + 1 and consists of 5 locations. One deterministic module has affine ranking function -1 * v + unknown-#length-unknown[v] + -4 * k and consists of 3 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[v] + 16 * i and consists of 5 locations. 7 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 27.6s and 13 iterations. TraceHistogramMax:3. Analysis of lassos took 17.6s. Construction of modules took 5.0s. Büchi inclusion checks took 4.6s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 73 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 56 states and ocurred in iteration 9. Nontrivial modules had stage [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 195 SDtfs, 372 SDslu, 281 SDs, 0 SdLazy, 532 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc4 concLT0 SILN0 SILU2 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital275 mio100 ax100 hnf99 lsp99 ukn56 mio100 lsp54 div200 bol100 ite100 ukn100 eq152 hnf60 smp86 dnf123 smp91 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 86ms VariablesStem: 7 VariablesLoop: 9 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...