./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-sets/test_add-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 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/ldv-sets/test_add-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77902a9f57c297a8e1fc2f1cd5cfc51f597104fb ................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 19:09:37,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 19:09:37,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 19:09:37,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 19:09:37,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 19:09:37,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 19:09:37,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 19:09:37,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 19:09:37,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 19:09:37,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 19:09:37,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 19:09:37,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 19:09:37,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 19:09:37,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 19:09:37,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 19:09:37,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 19:09:37,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 19:09:37,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 19:09:37,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 19:09:37,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 19:09:37,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 19:09:37,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 19:09:37,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 19:09:37,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 19:09:37,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 19:09:37,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 19:09:37,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 19:09:37,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 19:09:37,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 19:09:37,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 19:09:37,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 19:09:37,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 19:09:37,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 19:09:37,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 19:09:37,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 19:09:37,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 19:09:37,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 19:09:37,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 19:09:37,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 19:09:37,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 19:09:37,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 19:09:37,261 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 19:09:37,312 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 19:09:37,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 19:09:37,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 19:09:37,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 19:09:37,316 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 19:09:37,317 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 19:09:37,317 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 19:09:37,317 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 19:09:37,317 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 19:09:37,318 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 19:09:37,318 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 19:09:37,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 19:09:37,319 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 19:09:37,320 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 19:09:37,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 19:09:37,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 19:09:37,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 19:09:37,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 19:09:37,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 19:09:37,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 19:09:37,321 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 19:09:37,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 19:09:37,322 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 19:09:37,322 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 19:09:37,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 19:09:37,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 19:09:37,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 19:09:37,323 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 19:09:37,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 19:09:37,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 19:09:37,324 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 19:09:37,324 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 19:09:37,326 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 19:09:37,326 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77902a9f57c297a8e1fc2f1cd5cfc51f597104fb [2020-10-19 19:09:37,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 19:09:37,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 19:09:37,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 19:09:37,677 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 19:09:37,677 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 19:09:37,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-sets/test_add-1.i [2020-10-19 19:09:37,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e50ec6b0/32edb6b325e94b74a7fa1ffa1ab955b4/FLAGce92ca127 [2020-10-19 19:09:38,299 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 19:09:38,303 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-sets/test_add-1.i [2020-10-19 19:09:38,328 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e50ec6b0/32edb6b325e94b74a7fa1ffa1ab955b4/FLAGce92ca127 [2020-10-19 19:09:38,549 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e50ec6b0/32edb6b325e94b74a7fa1ffa1ab955b4 [2020-10-19 19:09:38,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 19:09:38,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 19:09:38,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 19:09:38,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 19:09:38,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 19:09:38,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:09:38" (1/1) ... [2020-10-19 19:09:38,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf2dbf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:38, skipping insertion in model container [2020-10-19 19:09:38,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:09:38" (1/1) ... [2020-10-19 19:09:38,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 19:09:38,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 19:09:39,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:09:39,106 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 19:09:39,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:09:39,241 INFO L208 MainTranslator]: Completed translation [2020-10-19 19:09:39,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:39 WrapperNode [2020-10-19 19:09:39,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 19:09:39,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 19:09:39,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 19:09:39,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 19:09:39,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:39" (1/1) ... [2020-10-19 19:09:39,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:39" (1/1) ... [2020-10-19 19:09:39,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 19:09:39,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 19:09:39,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 19:09:39,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 19:09:39,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:39" (1/1) ... [2020-10-19 19:09:39,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:39" (1/1) ... [2020-10-19 19:09:39,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:39" (1/1) ... [2020-10-19 19:09:39,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:39" (1/1) ... [2020-10-19 19:09:39,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:39" (1/1) ... [2020-10-19 19:09:39,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:39" (1/1) ... [2020-10-19 19:09:39,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:39" (1/1) ... [2020-10-19 19:09:39,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 19:09:39,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 19:09:39,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 19:09:39,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 19:09:39,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:09:39,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-19 19:09:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-19 19:09:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 19:09:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-19 19:09:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 19:09:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-19 19:09:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-19 19:09:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 19:09:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 19:09:39,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 19:09:39,918 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 19:09:39,918 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-19 19:09:39,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:09:39 BoogieIcfgContainer [2020-10-19 19:09:39,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 19:09:39,921 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 19:09:39,921 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 19:09:39,924 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 19:09:39,925 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:09:39,926 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 07:09:38" (1/3) ... [2020-10-19 19:09:39,927 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7496f3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:09:39, skipping insertion in model container [2020-10-19 19:09:39,927 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:09:39,927 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:09:39" (2/3) ... [2020-10-19 19:09:39,927 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7496f3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:09:39, skipping insertion in model container [2020-10-19 19:09:39,928 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:09:39,928 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:09:39" (3/3) ... [2020-10-19 19:09:39,930 INFO L373 chiAutomizerObserver]: Analyzing ICFG test_add-1.i [2020-10-19 19:09:39,979 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 19:09:39,980 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 19:09:39,980 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 19:09:39,980 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 19:09:39,980 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 19:09:39,980 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 19:09:39,980 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 19:09:39,981 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 19:09:39,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states. [2020-10-19 19:09:40,016 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-19 19:09:40,016 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:09:40,016 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:09:40,022 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-19 19:09:40,022 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-19 19:09:40,022 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 19:09:40,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states. [2020-10-19 19:09:40,025 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-10-19 19:09:40,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:09:40,025 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:09:40,026 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-19 19:09:40,026 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-19 19:09:40,033 INFO L794 eck$LassoCheckResult]: Stem: 21#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string2.base, #t~string2.offset, 1);call write~init~int(0, #t~string2.base, 1 + #t~string2.offset, 1);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(12);call ~#s1~0.base, ~#s1~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, ~#s1~0.offset, 4);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, 4 + ~#s1~0.offset, 4); 7#L-1true havoc main_#res;havoc foo_#t~nondet29, foo_#t~ret30, foo_~j~0;foo_~j~0 := foo_#t~nondet29;havoc foo_#t~nondet29;ldv_set_add_#in~new, ldv_set_add_#in~s.base, ldv_set_add_#in~s.offset := foo_~j~0, ~#s1~0.base, ~#s1~0.offset;havoc ldv_set_add_#t~ret19, ldv_set_add_#t~ret20.base, ldv_set_add_#t~ret20.offset, ldv_set_add_~le~0.base, ldv_set_add_~le~0.offset, ldv_set_add_~new, ldv_set_add_~s.base, ldv_set_add_~s.offset;ldv_set_add_~new := ldv_set_add_#in~new;ldv_set_add_~s.base, ldv_set_add_~s.offset := ldv_set_add_#in~s.base, ldv_set_add_#in~s.offset;ldv_is_in_set_#in~e, ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset := ldv_set_add_~new, ldv_set_add_~s.base, ldv_set_add_~s.offset;havoc ldv_is_in_set_#res;havoc ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset, ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset, ldv_is_in_set_#t~mem27, ldv_is_in_set_#t~mem26.base, ldv_is_in_set_#t~mem26.offset, ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset, ldv_is_in_set_~e, ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;ldv_is_in_set_~e := ldv_is_in_set_#in~e;ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset := ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset;havoc ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;call ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset := read~$Pointer$(ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, 4);ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset := ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset;havoc ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset - 4; 20#L652-3true [2020-10-19 19:09:40,033 INFO L796 eck$LassoCheckResult]: Loop: 20#L652-3true assume !!(ldv_is_in_set_~m~1.base != ldv_is_in_set_~s.base || 4 + ldv_is_in_set_~m~1.offset != ldv_is_in_set_~s.offset);call ldv_is_in_set_#t~mem27 := read~int(ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset, 4); 14#L653true assume !(ldv_is_in_set_#t~mem27 == ldv_is_in_set_~e);havoc ldv_is_in_set_#t~mem27; 6#L652-2true call ldv_is_in_set_#t~mem26.base, ldv_is_in_set_#t~mem26.offset := read~$Pointer$(ldv_is_in_set_~m~1.base, 4 + ldv_is_in_set_~m~1.offset, 4);ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset := ldv_is_in_set_#t~mem26.base, ldv_is_in_set_#t~mem26.offset;havoc ldv_is_in_set_#t~mem26.base, ldv_is_in_set_#t~mem26.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset - 4; 20#L652-3true [2020-10-19 19:09:40,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:09:40,039 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-19 19:09:40,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:09:40,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111505339] [2020-10-19 19:09:40,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:09:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:09:40,173 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:09:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:09:40,208 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:09:40,249 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:09:40,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:09:40,252 INFO L82 PathProgramCache]: Analyzing trace with hash 39883, now seen corresponding path program 1 times [2020-10-19 19:09:40,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:09:40,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140639467] [2020-10-19 19:09:40,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:09:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:09:40,293 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:09:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:09:40,310 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:09:40,318 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:09:40,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:09:40,324 INFO L82 PathProgramCache]: Analyzing trace with hash 28698825, now seen corresponding path program 1 times [2020-10-19 19:09:40,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:09:40,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298864882] [2020-10-19 19:09:40,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:09:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:09:40,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:09:40,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298864882] [2020-10-19 19:09:40,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 19:09:40,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 19:09:40,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896173428] [2020-10-19 19:09:40,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 19:09:40,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 19:09:40,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 19:09:40,653 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 4 states. [2020-10-19 19:09:40,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 19:09:40,752 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2020-10-19 19:09:40,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 19:09:40,755 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 33 transitions. [2020-10-19 19:09:40,758 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-19 19:09:40,762 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 14 states and 14 transitions. [2020-10-19 19:09:40,764 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2020-10-19 19:09:40,764 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2020-10-19 19:09:40,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 14 transitions. [2020-10-19 19:09:40,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:09:40,765 INFO L691 BuchiCegarLoop]: Abstraction has 14 states and 14 transitions. [2020-10-19 19:09:40,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 14 transitions. [2020-10-19 19:09:40,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-10-19 19:09:40,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-19 19:09:40,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2020-10-19 19:09:40,795 INFO L714 BuchiCegarLoop]: Abstraction has 14 states and 14 transitions. [2020-10-19 19:09:40,795 INFO L594 BuchiCegarLoop]: Abstraction has 14 states and 14 transitions. [2020-10-19 19:09:40,796 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 19:09:40,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 14 transitions. [2020-10-19 19:09:40,797 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-19 19:09:40,797 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:09:40,797 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:09:40,798 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 19:09:40,798 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-19 19:09:40,799 INFO L794 eck$LassoCheckResult]: Stem: 83#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string2.base, #t~string2.offset, 1);call write~init~int(0, #t~string2.base, 1 + #t~string2.offset, 1);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(12);call ~#s1~0.base, ~#s1~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, ~#s1~0.offset, 4);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, 4 + ~#s1~0.offset, 4); 80#L-1 havoc main_#res;havoc foo_#t~nondet29, foo_#t~ret30, foo_~j~0;foo_~j~0 := foo_#t~nondet29;havoc foo_#t~nondet29;ldv_set_add_#in~new, ldv_set_add_#in~s.base, ldv_set_add_#in~s.offset := foo_~j~0, ~#s1~0.base, ~#s1~0.offset;havoc ldv_set_add_#t~ret19, ldv_set_add_#t~ret20.base, ldv_set_add_#t~ret20.offset, ldv_set_add_~le~0.base, ldv_set_add_~le~0.offset, ldv_set_add_~new, ldv_set_add_~s.base, ldv_set_add_~s.offset;ldv_set_add_~new := ldv_set_add_#in~new;ldv_set_add_~s.base, ldv_set_add_~s.offset := ldv_set_add_#in~s.base, ldv_set_add_#in~s.offset;ldv_is_in_set_#in~e, ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset := ldv_set_add_~new, ldv_set_add_~s.base, ldv_set_add_~s.offset;havoc ldv_is_in_set_#res;havoc ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset, ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset, ldv_is_in_set_#t~mem27, ldv_is_in_set_#t~mem26.base, ldv_is_in_set_#t~mem26.offset, ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset, ldv_is_in_set_~e, ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;ldv_is_in_set_~e := ldv_is_in_set_#in~e;ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset := ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset;havoc ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;call ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset := read~$Pointer$(ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, 4);ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset := ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset;havoc ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset - 4; 81#L652-3 assume !(ldv_is_in_set_~m~1.base != ldv_is_in_set_~s.base || 4 + ldv_is_in_set_~m~1.offset != ldv_is_in_set_~s.offset); 82#L652-4 ldv_is_in_set_#res := 0; 84#L657 ldv_set_add_#t~ret19 := ldv_is_in_set_#res; 73#L633 assume 0 == ldv_set_add_#t~ret19;havoc ldv_set_add_#t~ret19;havoc ldv_set_add_~le~0.base, ldv_set_add_~le~0.offset;ldv_successful_malloc_#in~size := 12;havoc ldv_successful_malloc_#res.base, ldv_successful_malloc_#res.offset;havoc ldv_successful_malloc_#t~malloc7.base, ldv_successful_malloc_#t~malloc7.offset, ldv_successful_malloc_~size, ldv_successful_malloc_~ptr~0.base, ldv_successful_malloc_~ptr~0.offset;ldv_successful_malloc_~size := ldv_successful_malloc_#in~size;call ldv_successful_malloc_#t~malloc7.base, ldv_successful_malloc_#t~malloc7.offset := #Ultimate.allocOnHeap(ldv_successful_malloc_~size);ldv_successful_malloc_~ptr~0.base, ldv_successful_malloc_~ptr~0.offset := ldv_successful_malloc_#t~malloc7.base, ldv_successful_malloc_#t~malloc7.offset;assume_abort_if_not_#in~cond := (if ldv_successful_malloc_~ptr~0.base != 0 || ldv_successful_malloc_~ptr~0.offset != 0 then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 74#L565 assume !(0 == assume_abort_if_not_~cond); 79#L564 ldv_successful_malloc_#res.base, ldv_successful_malloc_#res.offset := ldv_successful_malloc_~ptr~0.base, ldv_successful_malloc_~ptr~0.offset; 77#L578 ldv_set_add_#t~ret20.base, ldv_set_add_#t~ret20.offset := ldv_successful_malloc_#res.base, ldv_successful_malloc_#res.offset;ldv_set_add_~le~0.base, ldv_set_add_~le~0.offset := ldv_set_add_#t~ret20.base, ldv_set_add_#t~ret20.offset;havoc ldv_set_add_#t~ret20.base, ldv_set_add_#t~ret20.offset;call write~int(ldv_set_add_~new, ldv_set_add_~le~0.base, ldv_set_add_~le~0.offset, 4);ldv_list_add_#in~new.base, ldv_list_add_#in~new.offset, ldv_list_add_#in~head.base, ldv_list_add_#in~head.offset := ldv_set_add_~le~0.base, 4 + ldv_set_add_~le~0.offset, ldv_set_add_~s.base, ldv_set_add_~s.offset;havoc ldv_list_add_#t~mem8.base, ldv_list_add_#t~mem8.offset, ldv_list_add_~new.base, ldv_list_add_~new.offset, ldv_list_add_~head.base, ldv_list_add_~head.offset;ldv_list_add_~new.base, ldv_list_add_~new.offset := ldv_list_add_#in~new.base, ldv_list_add_#in~new.offset;ldv_list_add_~head.base, ldv_list_add_~head.offset := ldv_list_add_#in~head.base, ldv_list_add_#in~head.offset;call ldv_list_add_#t~mem8.base, ldv_list_add_#t~mem8.offset := read~$Pointer$(ldv_list_add_~head.base, ldv_list_add_~head.offset, 4);__ldv_list_add_#in~new.base, __ldv_list_add_#in~new.offset, __ldv_list_add_#in~prev.base, __ldv_list_add_#in~prev.offset, __ldv_list_add_#in~next.base, __ldv_list_add_#in~next.offset := ldv_list_add_~new.base, ldv_list_add_~new.offset, ldv_list_add_~head.base, ldv_list_add_~head.offset, ldv_list_add_#t~mem8.base, ldv_list_add_#t~mem8.offset;havoc __ldv_list_add_~new.base, __ldv_list_add_~new.offset, __ldv_list_add_~prev.base, __ldv_list_add_~prev.offset, __ldv_list_add_~next.base, __ldv_list_add_~next.offset;__ldv_list_add_~new.base, __ldv_list_add_~new.offset := __ldv_list_add_#in~new.base, __ldv_list_add_#in~new.offset;__ldv_list_add_~prev.base, __ldv_list_add_~prev.offset := __ldv_list_add_#in~prev.base, __ldv_list_add_#in~prev.offset;__ldv_list_add_~next.base, __ldv_list_add_~next.offset := __ldv_list_add_#in~next.base, __ldv_list_add_#in~next.offset;call write~$Pointer$(__ldv_list_add_~new.base, __ldv_list_add_~new.offset, __ldv_list_add_~next.base, 4 + __ldv_list_add_~next.offset, 4);call write~$Pointer$(__ldv_list_add_~next.base, __ldv_list_add_~next.offset, __ldv_list_add_~new.base, __ldv_list_add_~new.offset, 4);call write~$Pointer$(__ldv_list_add_~prev.base, __ldv_list_add_~prev.offset, __ldv_list_add_~new.base, 4 + __ldv_list_add_~new.offset, 4);call write~$Pointer$(__ldv_list_add_~new.base, __ldv_list_add_~new.offset, __ldv_list_add_~prev.base, __ldv_list_add_~prev.offset, 4); 76#L589 havoc ldv_list_add_#t~mem8.base, ldv_list_add_#t~mem8.offset; 75#L632 ldv_is_in_set_#in~e, ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset := foo_~j~0, ~#s1~0.base, ~#s1~0.offset;havoc ldv_is_in_set_#res;havoc ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset, ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset, ldv_is_in_set_#t~mem27, ldv_is_in_set_#t~mem26.base, ldv_is_in_set_#t~mem26.offset, ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset, ldv_is_in_set_~e, ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;ldv_is_in_set_~e := ldv_is_in_set_#in~e;ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset := ldv_is_in_set_#in~s.base, ldv_is_in_set_#in~s.offset;havoc ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset;call ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset := read~$Pointer$(ldv_is_in_set_~s.base, ldv_is_in_set_~s.offset, 4);ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset := ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset;havoc ldv_is_in_set_#t~mem25.base, ldv_is_in_set_#t~mem25.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~3.base, ldv_is_in_set_~__mptr~3.offset - 4; 71#L652-8 [2020-10-19 19:09:40,800 INFO L796 eck$LassoCheckResult]: Loop: 71#L652-8 assume !!(ldv_is_in_set_~m~1.base != ldv_is_in_set_~s.base || 4 + ldv_is_in_set_~m~1.offset != ldv_is_in_set_~s.offset);call ldv_is_in_set_#t~mem27 := read~int(ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset, 4); 72#L653-1 assume !(ldv_is_in_set_#t~mem27 == ldv_is_in_set_~e);havoc ldv_is_in_set_#t~mem27; 78#L652-7 call ldv_is_in_set_#t~mem26.base, ldv_is_in_set_#t~mem26.offset := read~$Pointer$(ldv_is_in_set_~m~1.base, 4 + ldv_is_in_set_~m~1.offset, 4);ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset := ldv_is_in_set_#t~mem26.base, ldv_is_in_set_#t~mem26.offset;havoc ldv_is_in_set_#t~mem26.base, ldv_is_in_set_#t~mem26.offset;ldv_is_in_set_~m~1.base, ldv_is_in_set_~m~1.offset := ldv_is_in_set_~__mptr~4.base, ldv_is_in_set_~__mptr~4.offset - 4; 71#L652-8 [2020-10-19 19:09:40,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:09:40,801 INFO L82 PathProgramCache]: Analyzing trace with hash 112353747, now seen corresponding path program 1 times [2020-10-19 19:09:40,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:09:40,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208891641] [2020-10-19 19:09:40,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:09:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:09:40,909 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:09:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:09:41,003 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:09:41,016 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:09:41,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:09:41,017 INFO L82 PathProgramCache]: Analyzing trace with hash 79603, now seen corresponding path program 1 times [2020-10-19 19:09:41,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:09:41,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567434042] [2020-10-19 19:09:41,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:09:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:09:41,025 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:09:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:09:41,030 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:09:41,033 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:09:41,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:09:41,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1351003105, now seen corresponding path program 1 times [2020-10-19 19:09:41,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:09:41,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348599186] [2020-10-19 19:09:41,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:09:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:09:41,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:09:41,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348599186] [2020-10-19 19:09:41,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 19:09:41,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-19 19:09:41,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836800638] [2020-10-19 19:09:41,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 19:09:41,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-19 19:09:41,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-19 19:09:41,464 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. cyclomatic complexity: 1 Second operand 9 states. [2020-10-19 19:09:41,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 19:09:41,759 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2020-10-19 19:09:41,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-19 19:09:41,760 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 12 transitions. [2020-10-19 19:09:41,761 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:09:41,761 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2020-10-19 19:09:41,762 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 19:09:41,762 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 19:09:41,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 19:09:41,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:09:41,762 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:09:41,762 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:09:41,763 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:09:41,763 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-19 19:09:41,763 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 19:09:41,764 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:09:41,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 19:09:41,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 07:09:41 BoogieIcfgContainer [2020-10-19 19:09:41,771 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 19:09:41,771 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 19:09:41,771 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 19:09:41,772 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 19:09:41,772 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:09:39" (3/4) ... [2020-10-19 19:09:41,777 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 19:09:41,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 19:09:41,780 INFO L168 Benchmark]: Toolchain (without parser) took 3225.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 954.6 MB in the beginning and 881.4 MB in the end (delta: 73.2 MB). Peak memory consumption was 149.7 MB. Max. memory is 11.5 GB. [2020-10-19 19:09:41,781 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:09:41,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 954.6 MB in the beginning and 1.0 GB in the end (delta: -94.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2020-10-19 19:09:41,783 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:09:41,784 INFO L168 Benchmark]: Boogie Preprocessor took 42.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2020-10-19 19:09:41,785 INFO L168 Benchmark]: RCFGBuilder took 574.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2020-10-19 19:09:41,786 INFO L168 Benchmark]: BuchiAutomizer took 1850.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 881.4 MB in the end (delta: 133.8 MB). Peak memory consumption was 133.8 MB. Max. memory is 11.5 GB. [2020-10-19 19:09:41,787 INFO L168 Benchmark]: Witness Printer took 6.40 ms. Allocated memory is still 1.1 GB. Free memory is still 881.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:09:41,791 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 682.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.5 MB). Free memory was 954.6 MB in the beginning and 1.0 GB in the end (delta: -94.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 574.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1850.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 881.4 MB in the end (delta: 133.8 MB). Peak memory consumption was 133.8 MB. Max. memory is 11.5 GB. * Witness Printer took 6.40 ms. Allocated memory is still 1.1 GB. Free memory is still 881.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic). 2 modules have a trivial ranking function, the largest among these consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 25 SDtfs, 44 SDslu, 46 SDs, 0 SdLazy, 48 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: 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...