./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 3607a2efd08edc90448739913473b3ff26ff3cc3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:33:24,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:33:24,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:33:24,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:33:24,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:33:24,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:33:24,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:33:24,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:33:24,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:33:24,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:33:24,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:33:24,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:33:24,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:33:24,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:33:24,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:33:24,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:33:24,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:33:24,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:33:24,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:33:24,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:33:24,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:33:24,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:33:24,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:33:24,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:33:24,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:33:24,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:33:24,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:33:24,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:33:24,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:33:24,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:33:24,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:33:24,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:33:24,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:33:24,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:33:24,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:33:24,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:33:24,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:33:24,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:33:24,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:33:24,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:33:24,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:33:24,083 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 20:33:24,108 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:33:24,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:33:24,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:33:24,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:33:24,110 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:33:24,111 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:33:24,111 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:33:24,111 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:33:24,111 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:33:24,112 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:33:24,112 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:33:24,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:33:24,113 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:33:24,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:33:24,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:33:24,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:33:24,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:33:24,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:33:24,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:33:24,114 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:33:24,115 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:33:24,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:33:24,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:33:24,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:33:24,116 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:33:24,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:33:24,116 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:33:24,117 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:33:24,117 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:33:24,118 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:33:24,119 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3607a2efd08edc90448739913473b3ff26ff3cc3 [2019-11-28 20:33:24,447 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:33:24,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:33:24,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:33:24,465 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:33:24,466 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:33:24,467 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.i [2019-11-28 20:33:24,530 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0fcb38dd/feaa07c216164e30bda7ddfac0efbd7f/FLAGc61d72e21 [2019-11-28 20:33:25,093 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:33:25,094 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/aviad_true-alloca.i [2019-11-28 20:33:25,115 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0fcb38dd/feaa07c216164e30bda7ddfac0efbd7f/FLAGc61d72e21 [2019-11-28 20:33:25,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0fcb38dd/feaa07c216164e30bda7ddfac0efbd7f [2019-11-28 20:33:25,377 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:33:25,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:33:25,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:33:25,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:33:25,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:33:25,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:33:25" (1/1) ... [2019-11-28 20:33:25,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672d8e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:25, skipping insertion in model container [2019-11-28 20:33:25,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:33:25" (1/1) ... [2019-11-28 20:33:25,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:33:25,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:33:25,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:33:25,869 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:33:25,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:33:25,962 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:33:25,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:25 WrapperNode [2019-11-28 20:33:25,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:33:25,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:33:25,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:33:25,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:33:25,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:25" (1/1) ... [2019-11-28 20:33:26,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:25" (1/1) ... [2019-11-28 20:33:26,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:33:26,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:33:26,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:33:26,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:33:26,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:25" (1/1) ... [2019-11-28 20:33:26,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:25" (1/1) ... [2019-11-28 20:33:26,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:25" (1/1) ... [2019-11-28 20:33:26,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:25" (1/1) ... [2019-11-28 20:33:26,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:25" (1/1) ... [2019-11-28 20:33:26,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:25" (1/1) ... [2019-11-28 20:33:26,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:25" (1/1) ... [2019-11-28 20:33:26,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:33:26,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:33:26,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:33:26,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:33:26,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:26,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 20:33:26,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 20:33:26,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:33:26,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:33:26,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:33:26,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:33:26,428 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:33:26,428 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 20:33:26,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:33:26 BoogieIcfgContainer [2019-11-28 20:33:26,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:33:26,431 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:33:26,431 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:33:26,436 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:33:26,437 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:33:26,438 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:33:25" (1/3) ... [2019-11-28 20:33:26,448 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6593eb13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:33:26, skipping insertion in model container [2019-11-28 20:33:26,448 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:33:26,448 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:25" (2/3) ... [2019-11-28 20:33:26,450 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6593eb13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:33:26, skipping insertion in model container [2019-11-28 20:33:26,451 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:33:26,451 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:33:26" (3/3) ... [2019-11-28 20:33:26,453 INFO L371 chiAutomizerObserver]: Analyzing ICFG aviad_true-alloca.i [2019-11-28 20:33:26,528 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:33:26,529 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:33:26,529 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:33:26,529 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:33:26,530 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:33:26,530 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:33:26,530 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:33:26,530 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:33:26,543 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-28 20:33:26,564 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 20:33:26,564 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:33:26,565 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:33:26,571 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:33:26,571 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 20:33:26,571 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:33:26,571 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-28 20:33:26,573 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 20:33:26,573 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:33:26,573 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:33:26,574 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:33:26,574 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 20:33:26,582 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~ret14, main_~x~0, main_~count~1;main_~x~0 := main_#t~nondet13;havoc main_#t~nondet13;f_#in~a := main_~x~0;havoc f_#res;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~mem6, f_#t~mem7, f_#t~mem8, f_#t~mem9, f_#t~mem10, f_#t~post11, f_#t~mem5, f_#t~mem12, f_~a, f_~a_ref~0.base, f_~a_ref~0.offset, f_~tmp~0.base, f_~tmp~0.offset, f_~count~0.base, f_~count~0.offset;f_~a := f_#in~a;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~a_ref~0.base, f_~a_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~tmp~0.base, f_~tmp~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~count~0.base, f_~count~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call write~int(f_~a, f_~a_ref~0.base, f_~a_ref~0.offset, 4);call write~int(0, f_~tmp~0.base, f_~tmp~0.offset, 4);call write~int(0, f_~count~0.base, f_~count~0.offset, 4); 6#L554-3true [2019-11-28 20:33:26,583 INFO L796 eck$LassoCheckResult]: Loop: 6#L554-3true call f_#t~mem5 := read~int(f_~a_ref~0.base, f_~a_ref~0.offset, 4); 4#L554-1true assume !!(f_#t~mem5 > 1);havoc f_#t~mem5;call f_#t~mem6 := read~int(f_~a_ref~0.base, f_~a_ref~0.offset, 4);call write~int((if f_#t~mem6 < 0 && 0 != f_#t~mem6 % 2 then f_#t~mem6 % 2 - 2 else f_#t~mem6 % 2), f_~tmp~0.base, f_~tmp~0.offset, 4);havoc f_#t~mem6;call f_#t~mem7 := read~int(f_~tmp~0.base, f_~tmp~0.offset, 4); 7#L556true assume !(0 == f_#t~mem7);havoc f_#t~mem7;call f_#t~mem9 := read~int(f_~a_ref~0.base, f_~a_ref~0.offset, 4);call write~int(f_#t~mem9 - 1, f_~a_ref~0.base, f_~a_ref~0.offset, 4);havoc f_#t~mem9; 13#L556-2true call f_#t~mem10 := read~int(f_~count~0.base, f_~count~0.offset, 4);f_#t~post11 := f_#t~mem10;call write~int(1 + f_#t~post11, f_~count~0.base, f_~count~0.offset, 4);havoc f_#t~post11;havoc f_#t~mem10; 6#L554-3true [2019-11-28 20:33:26,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:26,590 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-28 20:33:26,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:26,599 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43515512] [2019-11-28 20:33:26,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:26,797 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:26,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:26,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1144136, now seen corresponding path program 1 times [2019-11-28 20:33:26,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:26,801 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745512778] [2019-11-28 20:33:26,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:26,870 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:26,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:26,872 INFO L82 PathProgramCache]: Analyzing trace with hash 889571338, now seen corresponding path program 1 times [2019-11-28 20:33:26,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:33:26,873 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481118786] [2019-11-28 20:33:26,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:33:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:33:26,969 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:33:27,114 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-28 20:33:27,356 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 54 [2019-11-28 20:33:27,790 WARN L192 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 80 [2019-11-28 20:33:27,970 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-11-28 20:33:27,987 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:33:27,988 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:33:27,988 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:33:27,988 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:33:27,989 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:33:27,989 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:27,989 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:33:27,989 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:33:27,990 INFO L133 ssoRankerPreferences]: Filename of dumped script: aviad_true-alloca.i_Iteration1_Lasso [2019-11-28 20:33:27,990 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:33:27,991 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:33:28,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:28,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:28,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:28,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:28,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:28,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:28,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:28,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:28,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:28,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:28,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:28,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:28,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:28,454 WARN L192 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2019-11-28 20:33:28,623 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-11-28 20:33:28,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:28,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:28,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:28,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:28,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:28,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:28,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:33:29,338 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:33:29,344 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 [2019-11-28 20:33:29,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:29,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:29,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:29,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:29,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:29,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:29,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:29,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:29,386 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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:29,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:29,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:29,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:29,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:29,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:29,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:29,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:29,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:29,410 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 [2019-11-28 20:33:29,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:29,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:29,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:29,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:29,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:29,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:29,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:29,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:29,442 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 [2019-11-28 20:33:29,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:29,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:29,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:29,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:29,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:29,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:29,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:29,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:29,464 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 [2019-11-28 20:33:29,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:29,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:29,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:29,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:29,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:29,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:29,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:29,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:29,492 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) [2019-11-28 20:33:29,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:29,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:29,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:29,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:29,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:29,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:29,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:29,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:29,513 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 [2019-11-28 20:33:29,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:29,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:29,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:29,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:29,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:29,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:29,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:29,540 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 [2019-11-28 20:33:29,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:29,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:29,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:29,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:29,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:29,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:29,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:29,563 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 [2019-11-28 20:33:29,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:29,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:29,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:29,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:29,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:29,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:29,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:29,591 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 [2019-11-28 20:33:29,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:29,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:29,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:29,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:29,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:29,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:29,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:29,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:29,606 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:29,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:29,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:29,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:29,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:29,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:29,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:29,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:29,625 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 [2019-11-28 20:33:29,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:29,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:29,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:33:29,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:29,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:29,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:29,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:33:29,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:33:29,636 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 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 [2019-11-28 20:33:29,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:29,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:29,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:29,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:29,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:29,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:29,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:29,654 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 [2019-11-28 20:33:29,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:29,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:29,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:29,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:29,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:29,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:29,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:29,668 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 [2019-11-28 20:33:29,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:29,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:29,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:29,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:29,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:29,678 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:29,678 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:29,687 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) [2019-11-28 20:33:29,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:29,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:29,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:29,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:29,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:29,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:29,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:29,733 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 [2019-11-28 20:33:29,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:29,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:29,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:29,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:29,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:29,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:29,758 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:29,768 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) [2019-11-28 20:33:29,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:29,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:29,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:29,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:29,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:29,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:29,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:29,795 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 [2019-11-28 20:33:29,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:33:29,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:33:29,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:33:29,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:33:29,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:33:29,815 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:33:29,815 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:33:29,827 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:33:29,894 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-28 20:33:29,894 INFO L444 ModelExtractionUtils]: 14 out of 19 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:33:29,971 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:33:29,985 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 20:33:29,985 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:33:29,986 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~a_ref~0.base) ULTIMATE.start_f_~a_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_f_~a_ref~0.base) ULTIMATE.start_f_~a_ref~0.offset)_1 Supporting invariants [] [2019-11-28 20:33:30,085 INFO L297 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2019-11-28 20:33:30,095 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 20:33:30,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:33:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:33:30,151 INFO L264 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 20:33:30,152 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:33:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:33:30,175 INFO L264 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 20:33:30,176 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:33:30,212 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:30,213 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:30,298 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:33:30,299 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 54 [2019-11-28 20:33:30,300 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-28 20:33:30,300 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:30,305 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:30,311 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-28 20:33:30,312 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:30,317 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:30,321 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 20:33:30,352 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:33:30,353 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 62 [2019-11-28 20:33:30,354 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:30,357 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-28 20:33:30,362 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:30,365 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-28 20:33:30,368 INFO L534 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 20:33:30,400 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:33:30,401 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 53 [2019-11-28 20:33:30,402 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-28 20:33:30,403 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:30,404 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:30,409 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-28 20:33:30,410 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:30,412 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:30,414 INFO L534 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 20:33:30,517 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2019-11-28 20:33:30,518 INFO L614 ElimStorePlain]: treesize reduction 109, result has 42.9 percent of original size [2019-11-28 20:33:30,519 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:30,521 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:30,525 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2019-11-28 20:33:30,525 INFO L239 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:154, output treesize:82 [2019-11-28 20:33:30,526 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:30,531 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:30,593 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 20:33:30,605 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-28 20:33:30,630 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 20:33:30,630 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 66 [2019-11-28 20:33:30,632 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 20:33:30,639 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 27 treesize of output 15 [2019-11-28 20:33:30,640 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 20:33:30,740 INFO L614 ElimStorePlain]: treesize reduction 54, result has 54.6 percent of original size [2019-11-28 20:33:30,742 INFO L534 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2019-11-28 20:33:30,742 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:93, output treesize:65 [2019-11-28 20:33:30,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:33:30,834 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-11-28 20:33:30,836 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 5 states. [2019-11-28 20:33:30,989 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 5 states. Result 22 states and 26 transitions. Complement of second has 10 states. [2019-11-28 20:33:30,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 20:33:30,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 20:33:30,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2019-11-28 20:33:30,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 2 letters. Loop has 4 letters. [2019-11-28 20:33:30,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:33:30,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-28 20:33:30,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:33:30,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 2 letters. Loop has 8 letters. [2019-11-28 20:33:30,997 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:33:30,998 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 26 transitions. [2019-11-28 20:33:30,999 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:33:31,003 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2019-11-28 20:33:31,004 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:33:31,004 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:33:31,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:33:31,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:33:31,005 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:33:31,005 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:33:31,006 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:33:31,006 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:33:31,006 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:33:31,006 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:33:31,006 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:33:31,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:33:31 BoogieIcfgContainer [2019-11-28 20:33:31,013 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:33:31,014 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:33:31,014 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:33:31,014 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:33:31,015 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:33:26" (3/4) ... [2019-11-28 20:33:31,018 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:33:31,019 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:33:31,021 INFO L168 Benchmark]: Toolchain (without parser) took 5642.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.2 MB). Free memory was 960.4 MB in the beginning and 915.7 MB in the end (delta: 44.7 MB). Peak memory consumption was 232.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:33:31,021 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:33:31,022 INFO L168 Benchmark]: CACSL2BoogieTranslator took 581.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -138.2 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-11-28 20:33:31,023 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:33:31,024 INFO L168 Benchmark]: Boogie Preprocessor took 31.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:33:31,025 INFO L168 Benchmark]: RCFGBuilder took 364.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:33:31,025 INFO L168 Benchmark]: BuchiAutomizer took 4582.19 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 77.6 MB). Free memory was 1.1 GB in the beginning and 915.7 MB in the end (delta: 150.0 MB). Peak memory consumption was 227.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:33:31,026 INFO L168 Benchmark]: Witness Printer took 5.18 ms. Allocated memory is still 1.2 GB. Free memory is still 915.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:33:31,030 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 581.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -138.2 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 364.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4582.19 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 77.6 MB). Free memory was 1.1 GB in the beginning and 915.7 MB in the end (delta: 150.0 MB). Peak memory consumption was 227.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.18 ms. Allocated memory is still 1.2 GB. Free memory is still 915.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[a_ref][a_ref] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 21 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital433 mio100 ax104 hnf100 lsp94 ukn41 mio100 lsp38 div100 bol100 ite100 ukn100 eq194 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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...