./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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/openbsd_cmemchr-alloca-1.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 41c98898a531fb0ee2da225b716afd5dc80c24b1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:36:17,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:36:17,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:36:17,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:36:17,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:36:17,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:36:17,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:36:17,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:36:17,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:36:17,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:36:17,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:36:17,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:36:17,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:36:17,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:36:17,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:36:17,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:36:17,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:36:17,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:36:17,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:36:17,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:36:17,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:36:17,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:36:17,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:36:17,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:36:17,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:36:17,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:36:17,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:36:17,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:36:17,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:36:17,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:36:17,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:36:17,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:36:17,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:36:17,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:36:17,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:36:17,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:36:17,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:36:17,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:36:17,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:36:17,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:36:17,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:36:17,127 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:36:17,142 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:36:17,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:36:17,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:36:17,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:36:17,144 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:36:17,144 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:36:17,144 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:36:17,145 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:36:17,145 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:36:17,145 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:36:17,145 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:36:17,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:36:17,146 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:36:17,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:36:17,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:36:17,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:36:17,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:36:17,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:36:17,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:36:17,147 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:36:17,147 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:36:17,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:36:17,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:36:17,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:36:17,148 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:36:17,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:36:17,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:36:17,149 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:36:17,149 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:36:17,150 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:36:17,150 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 -> 41c98898a531fb0ee2da225b716afd5dc80c24b1 [2020-07-29 01:36:17,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:36:17,495 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:36:17,498 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:36:17,500 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:36:17,500 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:36:17,501 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i [2020-07-29 01:36:17,550 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f743d4431/0f7853e2ff9f4eed866107459079549c/FLAGfd7c727ad [2020-07-29 01:36:17,973 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:36:17,974 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i [2020-07-29 01:36:17,986 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f743d4431/0f7853e2ff9f4eed866107459079549c/FLAGfd7c727ad [2020-07-29 01:36:18,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f743d4431/0f7853e2ff9f4eed866107459079549c [2020-07-29 01:36:18,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:36:18,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:36:18,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:36:18,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:36:18,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:36:18,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:36:18" (1/1) ... [2020-07-29 01:36:18,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b917b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:36:18, skipping insertion in model container [2020-07-29 01:36:18,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:36:18" (1/1) ... [2020-07-29 01:36:18,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:36:18,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:36:18,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:36:18,764 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:36:18,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:36:18,926 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:36:18,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:36:18 WrapperNode [2020-07-29 01:36:18,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:36:18,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:36:18,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:36:18,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:36:18,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:36:18" (1/1) ... [2020-07-29 01:36:18,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:36:18" (1/1) ... [2020-07-29 01:36:18,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:36:18,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:36:18,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:36:18,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:36:18,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:36:18" (1/1) ... [2020-07-29 01:36:18,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:36:18" (1/1) ... [2020-07-29 01:36:18,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:36:18" (1/1) ... [2020-07-29 01:36:18,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:36:18" (1/1) ... [2020-07-29 01:36:18,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:36:18" (1/1) ... [2020-07-29 01:36:18,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:36:18" (1/1) ... [2020-07-29 01:36:19,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:36:18" (1/1) ... [2020-07-29 01:36:19,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:36:19,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:36:19,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:36:19,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:36:19,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:36:18" (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 [2020-07-29 01:36:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-29 01:36:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 01:36:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 01:36:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:36:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:36:19,373 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:36:19,373 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 01:36:19,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:36:19 BoogieIcfgContainer [2020-07-29 01:36:19,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:36:19,377 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:36:19,378 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:36:19,387 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:36:19,388 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:36:19,389 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:36:18" (1/3) ... [2020-07-29 01:36:19,390 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5372b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:36:19, skipping insertion in model container [2020-07-29 01:36:19,390 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:36:19,390 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:36:18" (2/3) ... [2020-07-29 01:36:19,391 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5372b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:36:19, skipping insertion in model container [2020-07-29 01:36:19,392 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:36:19,392 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:36:19" (3/3) ... [2020-07-29 01:36:19,394 INFO L371 chiAutomizerObserver]: Analyzing ICFG openbsd_cmemchr-alloca-1.i [2020-07-29 01:36:19,440 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:36:19,440 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:36:19,440 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:36:19,440 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:36:19,440 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:36:19,440 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:36:19,440 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:36:19,441 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:36:19,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-07-29 01:36:19,476 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-29 01:36:19,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:36:19,477 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:36:19,482 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-29 01:36:19,482 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-07-29 01:36:19,482 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:36:19,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-07-29 01:36:19,485 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-29 01:36:19,485 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:36:19,486 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:36:19,486 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-29 01:36:19,486 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-07-29 01:36:19,493 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 6#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~length~0, main_~n~0, main_~c~0, main_~nondetArea~0.base, main_~nondetArea~0.offset;main_~length~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~c~0 := main_#t~nondet7;havoc main_#t~nondet7; 9#L563true assume !(main_~length~0 < 1); 12#L563-2true assume !(main_~n~0 < 1); 5#L566-1true call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;cmemchr_#in~s.base, cmemchr_#in~s.offset, cmemchr_#in~c, cmemchr_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~c~0, main_~n~0;havoc cmemchr_#res.base, cmemchr_#res.offset;havoc cmemchr_#t~post3.base, cmemchr_#t~post3.offset, cmemchr_#t~mem4, cmemchr_#t~pre2, cmemchr_~p~0.base, cmemchr_~p~0.offset, cmemchr_~s.base, cmemchr_~s.offset, cmemchr_~c, cmemchr_~n;cmemchr_~s.base, cmemchr_~s.offset := cmemchr_#in~s.base, cmemchr_#in~s.offset;cmemchr_~c := cmemchr_#in~c;cmemchr_~n := cmemchr_#in~n; 13#L550true assume 0 != cmemchr_~n % 4294967296;cmemchr_~p~0.base, cmemchr_~p~0.offset := cmemchr_~s.base, cmemchr_~s.offset; 3#L552-4true [2020-07-29 01:36:19,493 INFO L796 eck$LassoCheckResult]: Loop: 3#L552-4true cmemchr_#t~post3.base, cmemchr_#t~post3.offset := cmemchr_~p~0.base, cmemchr_~p~0.offset;cmemchr_~p~0.base, cmemchr_~p~0.offset := cmemchr_#t~post3.base, 1 + cmemchr_#t~post3.offset;call cmemchr_#t~mem4 := read~int(cmemchr_#t~post3.base, cmemchr_#t~post3.offset, 1); 7#L553true assume !(cmemchr_#t~mem4 % 256 == cmemchr_~c % 256);havoc cmemchr_#t~post3.base, cmemchr_#t~post3.offset;havoc cmemchr_#t~mem4; 10#L552-1true cmemchr_#t~pre2 := cmemchr_~n - 1;cmemchr_~n := cmemchr_~n - 1; 14#L552-2true assume !!(0 != cmemchr_#t~pre2 % 4294967296);havoc cmemchr_#t~pre2; 3#L552-4true [2020-07-29 01:36:19,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:36:19,498 INFO L82 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2020-07-29 01:36:19,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:36:19,507 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523316542] [2020-07-29 01:36:19,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:36:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:36:19,606 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:36:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:36:19,634 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:36:19,657 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:36:19,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:36:19,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1605803, now seen corresponding path program 1 times [2020-07-29 01:36:19,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:36:19,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775563689] [2020-07-29 01:36:19,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:36:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:36:19,685 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:36:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:36:19,700 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:36:19,704 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:36:19,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:36:19,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1592233654, now seen corresponding path program 1 times [2020-07-29 01:36:19,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:36:19,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617813940] [2020-07-29 01:36:19,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:36:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:36:19,743 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:36:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:36:19,775 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:36:19,783 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:36:19,911 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-07-29 01:36:20,199 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2020-07-29 01:36:20,347 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:36:20,348 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:36:20,348 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:36:20,349 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:36:20,349 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:36:20,349 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:36:20,350 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:36:20,350 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:36:20,350 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemchr-alloca-1.i_Iteration1_Lasso [2020-07-29 01:36:20,350 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:36:20,351 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:36:20,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:36:20,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:36:20,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:36:20,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:36:20,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:36:20,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:36:20,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:36:20,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:36:20,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:36:20,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:36:20,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:36:20,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:36:20,695 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2020-07-29 01:36:20,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:36:20,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:36:20,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:36:20,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:36:20,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:36:20,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:36:20,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:36:21,398 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-07-29 01:36:21,521 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-07-29 01:36:22,001 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:36:22,006 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 [2020-07-29 01:36:22,012 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 [2020-07-29 01:36:22,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:36:22,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:36:22,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:36:22,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:36:22,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:36:22,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:36:22,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:36:22,024 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) [2020-07-29 01:36:22,063 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 [2020-07-29 01:36:22,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:36:22,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:36:22,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:36:22,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:36:22,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:36:22,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:36:22,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:36:22,076 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:36:22,113 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 [2020-07-29 01:36:22,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:36:22,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:36:22,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:36:22,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:36:22,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:36:22,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:36:22,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:36:22,120 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:36:22,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:36:22,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:36:22,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:36:22,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:36:22,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:36:22,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:36:22,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:36:22,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:36:22,181 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:36:22,244 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 [2020-07-29 01:36:22,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:36:22,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:36:22,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:36:22,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:36:22,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:36:22,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:36:22,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:36:22,252 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) [2020-07-29 01:36:22,304 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 [2020-07-29 01:36:22,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:36:22,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:36:22,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:36:22,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:36:22,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:36:22,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:36:22,308 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 [2020-07-29 01:36:22,310 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) [2020-07-29 01:36:22,358 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 [2020-07-29 01:36:22,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:36:22,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:36:22,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:36:22,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:36:22,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:36:22,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:36:22,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:36:22,364 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) [2020-07-29 01:36:22,407 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:36:22,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:36:22,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:36:22,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:36:22,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:36:22,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:36:22,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:36:22,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:36:22,413 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 [2020-07-29 01:36:22,452 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 [2020-07-29 01:36:22,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:36:22,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:36:22,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:36:22,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:36:22,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:36:22,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:36:22,462 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 [2020-07-29 01:36:22,488 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 [2020-07-29 01:36:22,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:36:22,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:36:22,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:36:22,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:36:22,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:36:22,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:36:22,502 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) [2020-07-29 01:36:22,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:36:22,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:36:22,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:36:22,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:36:22,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:36:22,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:36:22,538 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:36:22,547 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 [2020-07-29 01:36:22,576 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 [2020-07-29 01:36:22,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:36:22,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:36:22,578 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-07-29 01:36:22,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:36:22,595 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-07-29 01:36:22,595 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-07-29 01:36:22,619 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) [2020-07-29 01:36:22,675 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 [2020-07-29 01:36:22,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:36:22,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:36:22,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:36:22,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:36:22,684 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:36:22,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:36:22,698 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) [2020-07-29 01:36:22,751 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 [2020-07-29 01:36:22,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:36:22,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:36:22,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:36:22,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:36:22,757 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:36:22,758 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:36:22,765 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 [2020-07-29 01:36:22,801 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 [2020-07-29 01:36:22,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:36:22,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:36:22,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:36:22,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:36:22,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:36:22,815 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:36:22,838 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:36:22,878 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-07-29 01:36:22,878 INFO L444 ModelExtractionUtils]: 23 out of 34 variables were initially zero. Simplification set additionally 8 variables to zero. 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) [2020-07-29 01:36:22,893 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:36:22,927 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-07-29 01:36:22,928 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:36:22,929 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_1, ULTIMATE.start_cmemchr_~p~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_1 - 1*ULTIMATE.start_cmemchr_~p~0.offset Supporting invariants [] [2020-07-29 01:36:23,045 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2020-07-29 01:36:23,053 INFO L393 LassoCheck]: Loop: "cmemchr_#t~post3.base, cmemchr_#t~post3.offset := cmemchr_~p~0.base, cmemchr_~p~0.offset;cmemchr_~p~0.base, cmemchr_~p~0.offset := cmemchr_#t~post3.base, 1 + cmemchr_#t~post3.offset;call cmemchr_#t~mem4 := read~int(cmemchr_#t~post3.base, cmemchr_#t~post3.offset, 1);" "assume !(cmemchr_#t~mem4 % 256 == cmemchr_~c % 256);havoc cmemchr_#t~post3.base, cmemchr_#t~post3.offset;havoc cmemchr_#t~mem4;" "cmemchr_#t~pre2 := cmemchr_~n - 1;cmemchr_~n := cmemchr_~n - 1;" "assume !!(0 != cmemchr_#t~pre2 % 4294967296);havoc cmemchr_#t~pre2;" [2020-07-29 01:36:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:36:23,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-29 01:36:23,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:36:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:36:23,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-29 01:36:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:36:23,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:36:23,164 INFO L280 TraceCheckUtils]: 0: Hoare triple {25#unseeded} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {25#unseeded} is VALID [2020-07-29 01:36:23,165 INFO L280 TraceCheckUtils]: 1: Hoare triple {25#unseeded} havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~length~0, main_~n~0, main_~c~0, main_~nondetArea~0.base, main_~nondetArea~0.offset;main_~length~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~c~0 := main_#t~nondet7;havoc main_#t~nondet7; {25#unseeded} is VALID [2020-07-29 01:36:23,167 INFO L280 TraceCheckUtils]: 2: Hoare triple {25#unseeded} assume !(main_~length~0 < 1); {25#unseeded} is VALID [2020-07-29 01:36:23,168 INFO L280 TraceCheckUtils]: 3: Hoare triple {25#unseeded} assume !(main_~n~0 < 1); {25#unseeded} is VALID [2020-07-29 01:36:23,169 INFO L280 TraceCheckUtils]: 4: Hoare triple {25#unseeded} call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;cmemchr_#in~s.base, cmemchr_#in~s.offset, cmemchr_#in~c, cmemchr_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~c~0, main_~n~0;havoc cmemchr_#res.base, cmemchr_#res.offset;havoc cmemchr_#t~post3.base, cmemchr_#t~post3.offset, cmemchr_#t~mem4, cmemchr_#t~pre2, cmemchr_~p~0.base, cmemchr_~p~0.offset, cmemchr_~s.base, cmemchr_~s.offset, cmemchr_~c, cmemchr_~n;cmemchr_~s.base, cmemchr_~s.offset := cmemchr_#in~s.base, cmemchr_#in~s.offset;cmemchr_~c := cmemchr_#in~c;cmemchr_~n := cmemchr_#in~n; {75#(and (= ULTIMATE.start_cmemchr_~s.base |ULTIMATE.start_main_#t~malloc8.base|) unseeded)} is VALID [2020-07-29 01:36:23,170 INFO L280 TraceCheckUtils]: 5: Hoare triple {75#(and (= ULTIMATE.start_cmemchr_~s.base |ULTIMATE.start_main_#t~malloc8.base|) unseeded)} assume 0 != cmemchr_~n % 4294967296;cmemchr_~p~0.base, cmemchr_~p~0.offset := cmemchr_~s.base, cmemchr_~s.offset; {54#(and (= ULTIMATE.start_cmemchr_~p~0.base |ULTIMATE.start_main_#t~malloc8.base|) unseeded)} is VALID [2020-07-29 01:36:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:36:23,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-29 01:36:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:36:23,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:36:23,317 INFO L280 TraceCheckUtils]: 0: Hoare triple {55#(and (= ULTIMATE.start_cmemchr_~p~0.base |ULTIMATE.start_main_#t~malloc8.base|) (>= oldRank0 (+ (select |#length| |ULTIMATE.start_main_#t~malloc8.base|) (* (- 1) ULTIMATE.start_cmemchr_~p~0.offset))))} cmemchr_#t~post3.base, cmemchr_#t~post3.offset := cmemchr_~p~0.base, cmemchr_~p~0.offset;cmemchr_~p~0.base, cmemchr_~p~0.offset := cmemchr_#t~post3.base, 1 + cmemchr_#t~post3.offset;call cmemchr_#t~mem4 := read~int(cmemchr_#t~post3.base, cmemchr_#t~post3.offset, 1); {79#(and (= ULTIMATE.start_cmemchr_~p~0.base |ULTIMATE.start_main_#t~malloc8.base|) (<= (+ (select |#length| |ULTIMATE.start_main_#t~malloc8.base|) 1) (+ ULTIMATE.start_cmemchr_~p~0.offset oldRank0)) (<= (+ (select |#length| |ULTIMATE.start_main_#t~malloc8.base|) 1) (+ oldRank0 (select |#length| ULTIMATE.start_cmemchr_~p~0.base))))} is VALID [2020-07-29 01:36:23,318 INFO L280 TraceCheckUtils]: 1: Hoare triple {79#(and (= ULTIMATE.start_cmemchr_~p~0.base |ULTIMATE.start_main_#t~malloc8.base|) (<= (+ (select |#length| |ULTIMATE.start_main_#t~malloc8.base|) 1) (+ ULTIMATE.start_cmemchr_~p~0.offset oldRank0)) (<= (+ (select |#length| |ULTIMATE.start_main_#t~malloc8.base|) 1) (+ oldRank0 (select |#length| ULTIMATE.start_cmemchr_~p~0.base))))} assume !(cmemchr_#t~mem4 % 256 == cmemchr_~c % 256);havoc cmemchr_#t~post3.base, cmemchr_#t~post3.offset;havoc cmemchr_#t~mem4; {79#(and (= ULTIMATE.start_cmemchr_~p~0.base |ULTIMATE.start_main_#t~malloc8.base|) (<= (+ (select |#length| |ULTIMATE.start_main_#t~malloc8.base|) 1) (+ ULTIMATE.start_cmemchr_~p~0.offset oldRank0)) (<= (+ (select |#length| |ULTIMATE.start_main_#t~malloc8.base|) 1) (+ oldRank0 (select |#length| ULTIMATE.start_cmemchr_~p~0.base))))} is VALID [2020-07-29 01:36:23,319 INFO L280 TraceCheckUtils]: 2: Hoare triple {79#(and (= ULTIMATE.start_cmemchr_~p~0.base |ULTIMATE.start_main_#t~malloc8.base|) (<= (+ (select |#length| |ULTIMATE.start_main_#t~malloc8.base|) 1) (+ ULTIMATE.start_cmemchr_~p~0.offset oldRank0)) (<= (+ (select |#length| |ULTIMATE.start_main_#t~malloc8.base|) 1) (+ oldRank0 (select |#length| ULTIMATE.start_cmemchr_~p~0.base))))} cmemchr_#t~pre2 := cmemchr_~n - 1;cmemchr_~n := cmemchr_~n - 1; {79#(and (= ULTIMATE.start_cmemchr_~p~0.base |ULTIMATE.start_main_#t~malloc8.base|) (<= (+ (select |#length| |ULTIMATE.start_main_#t~malloc8.base|) 1) (+ ULTIMATE.start_cmemchr_~p~0.offset oldRank0)) (<= (+ (select |#length| |ULTIMATE.start_main_#t~malloc8.base|) 1) (+ oldRank0 (select |#length| ULTIMATE.start_cmemchr_~p~0.base))))} is VALID [2020-07-29 01:36:23,320 INFO L280 TraceCheckUtils]: 3: Hoare triple {79#(and (= ULTIMATE.start_cmemchr_~p~0.base |ULTIMATE.start_main_#t~malloc8.base|) (<= (+ (select |#length| |ULTIMATE.start_main_#t~malloc8.base|) 1) (+ ULTIMATE.start_cmemchr_~p~0.offset oldRank0)) (<= (+ (select |#length| |ULTIMATE.start_main_#t~malloc8.base|) 1) (+ oldRank0 (select |#length| ULTIMATE.start_cmemchr_~p~0.base))))} assume !!(0 != cmemchr_#t~pre2 % 4294967296);havoc cmemchr_#t~pre2; {57#(and (= ULTIMATE.start_cmemchr_~p~0.base |ULTIMATE.start_main_#t~malloc8.base|) (or (and (> oldRank0 (+ (select |#length| |ULTIMATE.start_main_#t~malloc8.base|) (* (- 1) ULTIMATE.start_cmemchr_~p~0.offset))) (>= oldRank0 0)) unseeded))} is VALID [2020-07-29 01:36:23,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:36:23,332 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 01:36:23,359 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:36:23,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 4 letters. [2020-07-29 01:36:23,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,370 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-07-29 01:36:23,372 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 4 states. [2020-07-29 01:36:23,507 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 4 states. Result 32 states and 37 transitions. Complement of second has 7 states. [2020-07-29 01:36:23,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-29 01:36:23,509 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:36:23,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-07-29 01:36:23,514 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-29 01:36:23,516 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:36:23,516 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:36:23,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-07-29 01:36:23,525 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:36:23,526 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:36:23,526 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:36:23,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 37 transitions. [2020-07-29 01:36:23,531 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:36:23,532 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:36:23,534 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 15 states. [2020-07-29 01:36:23,540 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-29 01:36:23,546 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 4 examples of accepted words. [2020-07-29 01:36:23,546 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 4 states. [2020-07-29 01:36:23,549 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:36:23,551 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:36:23,551 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 32 states and 37 transitions. cyclomatic complexity: 6 [2020-07-29 01:36:23,552 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 37 transitions. cyclomatic complexity: 6 [2020-07-29 01:36:23,552 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:36:23,552 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 01:36:23,552 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 6 letters. Loop has 4 letters. [2020-07-29 01:36:23,553 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,553 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 4 letters. [2020-07-29 01:36:23,553 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,554 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 37 transitions. cyclomatic complexity: 6 Stem has 6 letters. Loop has 4 letters. [2020-07-29 01:36:23,554 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,555 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:36:23,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,555 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:36:23,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,555 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 37 transitions. cyclomatic complexity: 6 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:36:23,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 32 letters. Loop has 32 letters. [2020-07-29 01:36:23,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 32 letters. Loop has 32 letters. [2020-07-29 01:36:23,558 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,558 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 37 transitions. cyclomatic complexity: 6 Stem has 32 letters. Loop has 32 letters. [2020-07-29 01:36:23,559 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,559 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:36:23,559 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,559 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:36:23,559 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 37 transitions. cyclomatic complexity: 6 Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:36:23,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:36:23,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:36:23,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 37 transitions. cyclomatic complexity: 6 Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:36:23,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 6 letters. Loop has 4 letters. [2020-07-29 01:36:23,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 4 letters. [2020-07-29 01:36:23,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 37 transitions. cyclomatic complexity: 6 Stem has 6 letters. Loop has 4 letters. [2020-07-29 01:36:23,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:36:23,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:36:23,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 37 transitions. cyclomatic complexity: 6 Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:36:23,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 8 letters. Loop has 4 letters. [2020-07-29 01:36:23,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 4 letters. [2020-07-29 01:36:23,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 37 transitions. cyclomatic complexity: 6 Stem has 8 letters. Loop has 4 letters. [2020-07-29 01:36:23,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 9 letters. Loop has 4 letters. [2020-07-29 01:36:23,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,565 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 4 letters. [2020-07-29 01:36:23,565 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,565 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 37 transitions. cyclomatic complexity: 6 Stem has 9 letters. Loop has 4 letters. [2020-07-29 01:36:23,565 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,565 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 3 letters. Loop has 1 letters. [2020-07-29 01:36:23,565 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 1 letters. [2020-07-29 01:36:23,566 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 37 transitions. cyclomatic complexity: 6 Stem has 3 letters. Loop has 1 letters. [2020-07-29 01:36:23,566 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:36:23,566 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:36:23,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 37 transitions. cyclomatic complexity: 6 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:36:23,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,567 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:36:23,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 01:36:23,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2020-07-29 01:36:23,570 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 6 letters. Loop has 4 letters. [2020-07-29 01:36:23,570 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 10 letters. Loop has 4 letters. [2020-07-29 01:36:23,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 6 letters. Loop has 8 letters. [2020-07-29 01:36:23,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:36:23,572 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. cyclomatic complexity: 6 [2020-07-29 01:36:23,575 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:36:23,577 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2020-07-29 01:36:23,578 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:36:23,578 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:36:23,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:36:23,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:36:23,579 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:36:23,579 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:36:23,579 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:36:23,579 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:36:23,579 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:36:23,580 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:36:23,580 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:36:23,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:36:23 BoogieIcfgContainer [2020-07-29 01:36:23,585 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:36:23,586 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:36:23,586 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:36:23,586 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:36:23,587 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:36:19" (3/4) ... [2020-07-29 01:36:23,590 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:36:23,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:36:23,592 INFO L168 Benchmark]: Toolchain (without parser) took 5297.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 208.1 MB). Free memory was 957.5 MB in the beginning and 934.8 MB in the end (delta: 22.7 MB). Peak memory consumption was 230.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:36:23,593 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:36:23,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:36:23,594 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:36:23,595 INFO L168 Benchmark]: Boogie Preprocessor took 25.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:36:23,596 INFO L168 Benchmark]: RCFGBuilder took 373.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:36:23,597 INFO L168 Benchmark]: BuchiAutomizer took 4207.98 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.1 GB in the beginning and 934.8 MB in the end (delta: 163.7 MB). Peak memory consumption was 230.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:36:23,597 INFO L168 Benchmark]: Witness Printer took 4.37 ms. Allocated memory is still 1.2 GB. Free memory is still 934.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:36:23,602 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 631.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -172.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 373.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4207.98 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.1 GB in the beginning and 934.8 MB in the end (delta: 163.7 MB). Peak memory consumption was 230.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.37 ms. Allocated memory is still 1.2 GB. Free memory is still 934.8 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 #length * 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-#length-unknown[__builtin_alloca (n * sizeof(char))] + -1 * p and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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: 16 SDtfs, 21 SDslu, 12 SDs, 0 SdLazy, 10 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital138 mio100 ax113 hnf98 lsp82 ukn99 mio100 lsp55 div208 bol100 ite100 ukn100 eq168 hnf64 smp91 dnf100 smp100 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms VariablesStem: 3 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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...