./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3-1.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 2187ad12904216f135de1d4e0a00e45b56b4da69 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 08:20:19,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 08:20:19,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 08:20:19,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 08:20:19,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 08:20:19,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 08:20:19,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 08:20:19,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 08:20:19,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 08:20:19,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 08:20:19,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 08:20:19,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 08:20:19,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 08:20:19,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 08:20:19,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 08:20:19,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 08:20:19,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 08:20:19,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 08:20:19,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 08:20:19,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 08:20:19,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 08:20:19,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 08:20:19,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 08:20:19,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 08:20:19,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 08:20:19,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 08:20:19,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 08:20:19,372 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 08:20:19,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 08:20:19,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 08:20:19,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 08:20:19,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 08:20:19,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 08:20:19,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 08:20:19,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 08:20:19,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 08:20:19,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 08:20:19,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 08:20:19,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 08:20:19,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 08:20:19,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 08:20:19,381 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 08:20:19,406 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 08:20:19,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 08:20:19,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 08:20:19,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 08:20:19,408 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 08:20:19,408 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 08:20:19,408 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 08:20:19,409 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 08:20:19,409 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 08:20:19,409 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 08:20:19,409 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 08:20:19,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 08:20:19,409 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 08:20:19,410 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 08:20:19,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 08:20:19,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 08:20:19,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 08:20:19,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 08:20:19,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 08:20:19,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 08:20:19,411 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 08:20:19,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 08:20:19,411 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 08:20:19,411 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 08:20:19,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 08:20:19,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 08:20:19,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 08:20:19,412 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 08:20:19,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 08:20:19,413 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 08:20:19,413 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 08:20:19,413 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 08:20:19,414 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 08:20:19,414 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 -> 2187ad12904216f135de1d4e0a00e45b56b4da69 [2020-10-20 08:20:19,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 08:20:19,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 08:20:19,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 08:20:19,677 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 08:20:19,678 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 08:20:19,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3-1.i [2020-10-20 08:20:19,747 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8434b4ce/365e7f654a394c988657beb342258f82/FLAGf4e61ab1b [2020-10-20 08:20:20,195 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 08:20:20,196 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety-bitfields/test-bitfields-3-1.i [2020-10-20 08:20:20,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8434b4ce/365e7f654a394c988657beb342258f82/FLAGf4e61ab1b [2020-10-20 08:20:20,606 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8434b4ce/365e7f654a394c988657beb342258f82 [2020-10-20 08:20:20,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 08:20:20,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 08:20:20,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 08:20:20,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 08:20:20,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 08:20:20,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 08:20:20" (1/1) ... [2020-10-20 08:20:20,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77be5a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:20, skipping insertion in model container [2020-10-20 08:20:20,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 08:20:20" (1/1) ... [2020-10-20 08:20:20,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 08:20:20,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 08:20:20,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 08:20:20,962 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 08:20:21,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 08:20:21,024 INFO L208 MainTranslator]: Completed translation [2020-10-20 08:20:21,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:21 WrapperNode [2020-10-20 08:20:21,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 08:20:21,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 08:20:21,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 08:20:21,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 08:20:21,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:21" (1/1) ... [2020-10-20 08:20:21,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:21" (1/1) ... [2020-10-20 08:20:21,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 08:20:21,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 08:20:21,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 08:20:21,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 08:20:21,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:21" (1/1) ... [2020-10-20 08:20:21,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:21" (1/1) ... [2020-10-20 08:20:21,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:21" (1/1) ... [2020-10-20 08:20:21,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:21" (1/1) ... [2020-10-20 08:20:21,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:21" (1/1) ... [2020-10-20 08:20:21,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:21" (1/1) ... [2020-10-20 08:20:21,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:21" (1/1) ... [2020-10-20 08:20:21,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 08:20:21,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 08:20:21,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 08:20:21,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 08:20:21,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-20 08:20:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-20 08:20:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 08:20:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-20 08:20:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 08:20:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 08:20:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-20 08:20:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 08:20:21,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 08:20:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 08:20:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 08:20:21,408 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 08:20:21,497 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 08:20:21,497 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-20 08:20:21,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:20:21 BoogieIcfgContainer [2020-10-20 08:20:21,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 08:20:21,500 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 08:20:21,500 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 08:20:21,503 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 08:20:21,504 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:20:21,504 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 08:20:20" (1/3) ... [2020-10-20 08:20:21,505 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fcf93ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 08:20:21, skipping insertion in model container [2020-10-20 08:20:21,505 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:20:21,506 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:20:21" (2/3) ... [2020-10-20 08:20:21,506 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fcf93ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 08:20:21, skipping insertion in model container [2020-10-20 08:20:21,506 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:20:21,506 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:20:21" (3/3) ... [2020-10-20 08:20:21,508 INFO L373 chiAutomizerObserver]: Analyzing ICFG test-bitfields-3-1.i [2020-10-20 08:20:21,561 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 08:20:21,561 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 08:20:21,561 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 08:20:21,561 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 08:20:21,562 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 08:20:21,562 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 08:20:21,562 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 08:20:21,562 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 08:20:21,577 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states. [2020-10-20 08:20:21,599 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-10-20 08:20:21,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:20:21,600 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:20:21,607 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-20 08:20:21,607 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 08:20:21,607 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 08:20:21,607 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states. [2020-10-20 08:20:21,611 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-10-20 08:20:21,611 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:20:21,611 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:20:21,612 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-20 08:20:21,612 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 08:20:21,620 INFO L794 eck$LassoCheckResult]: Stem: 28#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(10);call write~init~int(0, ~#d~0.base, ~#d~0.offset, 1);call write~init~int(3, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 4 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 5 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 6 + ~#d~0.offset, 4); 10#L-1true havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_#t~mem7, main_#t~mem8, main_#t~mem9, main_#t~mem10, main_#t~mem11, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(10);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; 24#L41true call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 10);< 14##Ultimate.C_memcpyENTRYtrue assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 5#$Ultimate##0true #t~loopctr13 := 0; 25#L-1-1true [2020-10-20 08:20:21,620 INFO L796 eck$LassoCheckResult]: Loop: 25#L-1-1true assume #t~loopctr13 < size;call #t~mem14 := read~unchecked~int(src.base, src.offset + #t~loopctr13, 1);call write~unchecked~int(#t~mem14, dest.base, dest.offset + #t~loopctr13, 1);call #t~mem15 := read~unchecked~int(src.base, src.offset + #t~loopctr13, 4);call write~unchecked~int(#t~mem15, dest.base, dest.offset + #t~loopctr13, 4);#t~loopctr13 := 1 + #t~loopctr13; 25#L-1-1true [2020-10-20 08:20:21,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:20:21,627 INFO L82 PathProgramCache]: Analyzing trace with hash 28780603, now seen corresponding path program 1 times [2020-10-20 08:20:21,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:20:21,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641235571] [2020-10-20 08:20:21,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:20:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:20:21,749 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:20:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:20:21,778 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:20:21,801 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:20:21,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:20:21,803 INFO L82 PathProgramCache]: Analyzing trace with hash 114, now seen corresponding path program 1 times [2020-10-20 08:20:21,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:20:21,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515847561] [2020-10-20 08:20:21,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:20:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:20:21,812 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:20:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:20:21,818 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:20:21,821 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:20:21,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:20:21,826 INFO L82 PathProgramCache]: Analyzing trace with hash 892198776, now seen corresponding path program 1 times [2020-10-20 08:20:21,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:20:21,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357927115] [2020-10-20 08:20:21,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:20:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:20:21,872 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:20:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:20:21,896 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:20:21,903 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:20:22,267 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-10-20 08:20:22,403 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-10-20 08:20:22,699 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2020-10-20 08:20:22,824 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 08:20:22,824 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 08:20:22,825 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 08:20:22,825 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 08:20:22,825 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 08:20:22,825 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:22,825 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 08:20:22,825 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 08:20:22,826 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-3-1.i_Iteration1_Lasso [2020-10-20 08:20:22,826 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 08:20:22,826 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 08:20:22,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:22,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:22,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:22,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:22,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:22,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:22,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:22,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:22,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:22,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:22,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:22,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:22,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:23,240 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2020-10-20 08:20:23,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:23,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:23,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:23,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:23,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:23,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:23,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:23,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:23,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:23,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:23,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:23,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:23,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:23,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:23,780 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 08:20:23,786 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) [2020-10-20 08:20:23,792 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:23,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:20:23,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:20:23,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:20:23,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:20:23,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:20:23,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:20:23,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:20:23,800 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:23,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:20:23,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:20:23,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:20:23,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:20:23,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:20:23,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:20:23,827 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:20:23,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:20:23,830 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:23,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:20:23,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:20:23,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:20:23,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:20:23,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:20:23,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:20:23,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:20:23,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:20:23,861 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:23,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:20:23,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:20:23,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:20:23,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:20:23,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:20:23,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:20:23,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:20:23,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:20:23,893 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:23,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:20:23,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:20:23,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:20:23,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:20:23,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:20:23,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:20:23,924 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:20:23,929 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:23,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:20:23,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:20:23,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:20:23,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:20:23,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:20:23,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:20:23,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:20:23,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:20:23,968 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) [2020-10-20 08:20:24,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:20:24,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:20:24,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:20:24,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:20:24,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:20:24,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:20:24,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:20:24,008 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 [2020-10-20 08:20:24,010 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:24,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:20:24,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:20:24,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:20:24,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:20:24,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:20:24,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:20:24,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:20:24,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:20:24,051 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) [2020-10-20 08:20:24,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:20:24,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:20:24,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:20:24,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:20:24,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:20:24,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:20:24,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:20:24,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:24,089 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) [2020-10-20 08:20:24,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:20:24,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:20:24,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:20:24,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:20:24,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:24,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:20:24,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:20:24,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:20:24,130 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 08:20:24,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:20:24,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:20:24,175 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-10-20 08:20:24,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:20:24,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:20:24,181 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-10-20 08:20:24,181 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:24,189 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:24,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:20:24,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:20:24,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:20:24,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:20:24,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:20:24,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:20:24,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:20:24,223 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:24,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:20:24,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:20:24,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:20:24,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:20:24,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:20:24,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:20:24,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:20:24,262 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) [2020-10-20 08:20:24,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:20:24,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:20:24,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:20:24,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:20:24,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:20:24,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:20:24,327 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 [2020-10-20 08:20:24,341 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) [2020-10-20 08:20:24,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:20:24,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:20:24,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:20:24,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:20:24,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:20:24,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:20:24,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:24,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:24,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:20:24,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:20:24,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:20:24,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:20:24,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:20:24,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:20:24,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:20:24,424 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:24,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:20:24,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:20:24,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:20:24,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:20:24,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:20:24,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:20:24,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:20:24,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:24,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:20:24,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:20:24,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:20:24,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:20:24,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:20:24,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:20:24,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:20:24,517 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:24,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:20:24,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:20:24,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:20:24,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:20:24,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:20:24,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:20:24,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:20:24,556 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 08:20:24,681 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-10-20 08:20:24,681 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:24,721 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 08:20:24,734 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 08:20:24,735 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 08:20:24,735 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_#t~loopctr13, #Ultimate.C_memcpy_size) = -1*#Ultimate.C_memcpy_#t~loopctr13 + 1*#Ultimate.C_memcpy_size Supporting invariants [] [2020-10-20 08:20:24,875 INFO L297 tatePredicateManager]: 27 out of 27 supporting invariants were superfluous and have been removed [2020-10-20 08:20:24,883 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2020-10-20 08:20:24,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:20:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:20:24,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 08:20:24,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 08:20:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:20:24,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 08:20:24,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 08:20:24,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:20:24,961 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-10-20 08:20:24,963 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states. Second operand 2 states. [2020-10-20 08:20:25,025 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states.. Second operand 2 states. Result 38 states and 53 transitions. Complement of second has 6 states. [2020-10-20 08:20:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 08:20:25,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-20 08:20:25,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2020-10-20 08:20:25,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. [2020-10-20 08:20:25,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:20:25,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. [2020-10-20 08:20:25,033 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:20:25,033 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2020-10-20 08:20:25,033 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:20:25,034 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 53 transitions. [2020-10-20 08:20:25,037 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 08:20:25,041 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 9 states and 11 transitions. [2020-10-20 08:20:25,042 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-10-20 08:20:25,043 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-10-20 08:20:25,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2020-10-20 08:20:25,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:20:25,044 INFO L691 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2020-10-20 08:20:25,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2020-10-20 08:20:25,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2020-10-20 08:20:25,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-20 08:20:25,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2020-10-20 08:20:25,071 INFO L714 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-10-20 08:20:25,071 INFO L594 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-10-20 08:20:25,071 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 08:20:25,071 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2020-10-20 08:20:25,072 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 08:20:25,072 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:20:25,072 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:20:25,072 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-20 08:20:25,072 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 08:20:25,073 INFO L794 eck$LassoCheckResult]: Stem: 225#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#d~0.base, ~#d~0.offset := #Ultimate.allocOnStack(10);call write~init~int(0, ~#d~0.base, ~#d~0.offset, 1);call write~init~int(3, ~#d~0.base, 1 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 2 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 3 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 4 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 5 + ~#d~0.offset, 1);call write~init~int(0, ~#d~0.base, 6 + ~#d~0.offset, 4); 221#L-1 havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset, main_#t~mem2, main_#t~mem3, main_#t~mem4, main_#t~mem5, main_#t~mem6, main_#t~mem7, main_#t~mem8, main_#t~mem9, main_#t~mem10, main_#t~mem11, main_~p~0.base, main_~p~0.offset;havoc main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(10);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; 222#L41 call main_#t~memcpy~res1.base, main_#t~memcpy~res1.offset := #Ultimate.C_memcpy(main_~p~0.base, main_~p~0.offset, ~#d~0.base, ~#d~0.offset, 10);< 227##Ultimate.C_memcpyENTRY assume 1 == #valid[dest.base];assume 1 == #valid[src.base];assume size + dest.offset <= #length[dest.base] && 0 <= dest.offset;assume size + src.offset <= #length[src.base] && 0 <= src.offset; 223#$Ultimate##0 #t~loopctr13 := 0; 224#L-1-1 assume !(#t~loopctr13 < size);#t~loopctr16 := 0; 226#L-1-3 [2020-10-20 08:20:25,073 INFO L796 eck$LassoCheckResult]: Loop: 226#L-1-3 assume #t~loopctr16 < size;#t~loopctr16 := 4 + #t~loopctr16; 226#L-1-3 [2020-10-20 08:20:25,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:20:25,073 INFO L82 PathProgramCache]: Analyzing trace with hash 892198778, now seen corresponding path program 1 times [2020-10-20 08:20:25,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:20:25,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537676524] [2020-10-20 08:20:25,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:20:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:20:25,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:20:25,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537676524] [2020-10-20 08:20:25,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 08:20:25,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 08:20:25,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516374851] [2020-10-20 08:20:25,145 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 08:20:25,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:20:25,145 INFO L82 PathProgramCache]: Analyzing trace with hash 120, now seen corresponding path program 1 times [2020-10-20 08:20:25,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:20:25,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544438415] [2020-10-20 08:20:25,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:20:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:20:25,148 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:20:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:20:25,149 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:20:25,150 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:20:25,159 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 08:20:25,160 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 08:20:25,160 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 08:20:25,160 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 08:20:25,160 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 08:20:25,160 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:25,160 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 08:20:25,160 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 08:20:25,160 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-3-1.i_Iteration2_Loop [2020-10-20 08:20:25,160 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 08:20:25,161 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 08:20:25,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:25,182 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 08:20:25,183 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 08:20:25,193 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 08:20:25,193 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 08:20:25,245 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 08:20:25,245 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:25,362 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 08:20:25,364 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 08:20:25,364 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 08:20:25,364 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 08:20:25,364 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 08:20:25,364 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 08:20:25,364 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:25,365 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 08:20:25,365 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 08:20:25,365 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-bitfields-3-1.i_Iteration2_Loop [2020-10-20 08:20:25,365 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 08:20:25,365 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 08:20:25,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:20:25,390 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 08:20:25,390 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:25,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:20:25,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:20:25,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:20:25,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:20:25,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:20:25,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:20:25,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:20:25,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:20:25,399 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 08:20:25,402 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 08:20:25,402 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:20:25,404 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 08:20:25,404 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 08:20:25,405 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 08:20:25,405 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memcpy_#t~loopctr16, #Ultimate.C_memcpy_size) = -1*#Ultimate.C_memcpy_#t~loopctr16 + 1*#Ultimate.C_memcpy_size Supporting invariants [] [2020-10-20 08:20:25,424 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 08:20:25,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable size [2020-10-20 08:20:25,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:20:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:20:25,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 08:20:25,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 08:20:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:20:25,465 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 08:20:25,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 08:20:25,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:20:25,466 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-10-20 08:20:25,466 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4 Second operand 2 states. [2020-10-20 08:20:25,471 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 9 states and 11 transitions. Complement of second has 3 states. [2020-10-20 08:20:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-10-20 08:20:25,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-20 08:20:25,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. [2020-10-20 08:20:25,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2020-10-20 08:20:25,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:20:25,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 7 letters. Loop has 1 letters. [2020-10-20 08:20:25,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:20:25,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2020-10-20 08:20:25,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:20:25,473 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 11 transitions. [2020-10-20 08:20:25,474 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 08:20:25,474 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2020-10-20 08:20:25,474 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 08:20:25,475 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 08:20:25,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 08:20:25,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:20:25,475 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:20:25,475 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:20:25,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 08:20:25,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 08:20:25,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 08:20:25,480 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 4 states. [2020-10-20 08:20:25,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 08:20:25,483 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-20 08:20:25,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 08:20:25,483 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-20 08:20:25,483 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 08:20:25,484 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 08:20:25,484 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 08:20:25,484 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 08:20:25,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 08:20:25,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:20:25,484 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:20:25,484 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:20:25,485 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:20:25,485 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 08:20:25,485 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 08:20:25,485 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 08:20:25,485 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 08:20:25,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 08:20:25 BoogieIcfgContainer [2020-10-20 08:20:25,492 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 08:20:25,492 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 08:20:25,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 08:20:25,493 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 08:20:25,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:20:21" (3/4) ... [2020-10-20 08:20:25,496 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 08:20:25,497 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 08:20:25,498 INFO L168 Benchmark]: Toolchain (without parser) took 4887.17 ms. Allocated memory was 35.1 MB in the beginning and 67.1 MB in the end (delta: 32.0 MB). Free memory was 11.6 MB in the beginning and 27.7 MB in the end (delta: -16.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 14.3 GB. [2020-10-20 08:20:25,499 INFO L168 Benchmark]: CDTParser took 1.28 ms. Allocated memory is still 34.1 MB. Free memory was 18.9 MB in the beginning and 18.8 MB in the end (delta: 41.9 kB). Peak memory consumption was 41.9 kB. Max. memory is 14.3 GB. [2020-10-20 08:20:25,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.25 ms. Allocated memory was 35.1 MB in the beginning and 43.5 MB in the end (delta: 8.4 MB). Free memory was 10.8 MB in the beginning and 26.1 MB in the end (delta: -15.3 MB). Peak memory consumption was 7.1 MB. Max. memory is 14.3 GB. [2020-10-20 08:20:25,501 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.84 ms. Allocated memory is still 43.5 MB. Free memory was 26.1 MB in the beginning and 24.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 08:20:25,502 INFO L168 Benchmark]: Boogie Preprocessor took 28.73 ms. Allocated memory is still 43.5 MB. Free memory was 24.3 MB in the beginning and 22.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 08:20:25,502 INFO L168 Benchmark]: RCFGBuilder took 405.11 ms. Allocated memory was 43.5 MB in the beginning and 43.0 MB in the end (delta: -524.3 kB). Free memory was 22.5 MB in the beginning and 14.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 10.7 MB. Max. memory is 14.3 GB. [2020-10-20 08:20:25,503 INFO L168 Benchmark]: BuchiAutomizer took 3991.95 ms. Allocated memory was 43.0 MB in the beginning and 67.1 MB in the end (delta: 24.1 MB). Free memory was 14.0 MB in the beginning and 27.7 MB in the end (delta: -13.8 MB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. [2020-10-20 08:20:25,504 INFO L168 Benchmark]: Witness Printer took 4.71 ms. Allocated memory is still 67.1 MB. Free memory is still 27.7 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 08:20:25,510 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28 ms. Allocated memory is still 34.1 MB. Free memory was 18.9 MB in the beginning and 18.8 MB in the end (delta: 41.9 kB). Peak memory consumption was 41.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 407.25 ms. Allocated memory was 35.1 MB in the beginning and 43.5 MB in the end (delta: 8.4 MB). Free memory was 10.8 MB in the beginning and 26.1 MB in the end (delta: -15.3 MB). Peak memory consumption was 7.1 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 39.84 ms. Allocated memory is still 43.5 MB. Free memory was 26.1 MB in the beginning and 24.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 28.73 ms. Allocated memory is still 43.5 MB. Free memory was 24.3 MB in the beginning and 22.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 405.11 ms. Allocated memory was 43.5 MB in the beginning and 43.0 MB in the end (delta: -524.3 kB). Free memory was 22.5 MB in the beginning and 14.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 10.7 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 3991.95 ms. Allocated memory was 43.0 MB in the beginning and 67.1 MB in the end (delta: 24.1 MB). Free memory was 14.0 MB in the beginning and 27.7 MB in the end (delta: -13.8 MB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. * Witness Printer took 4.71 ms. Allocated memory is still 67.1 MB. Free memory is still 27.7 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable size - GenericResult: Unfinished Backtranslation unknown boogie variable size * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * aux-#t~loopctr13-aux + unknown-size-unknown and consists of 3 locations. One deterministic module has affine ranking function -1 * aux-#t~loopctr16-aux + unknown-size-unknown and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 14 SDslu, 1 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital74 mio100 ax100 hnf100 lsp99 ukn88 mio100 lsp76 div100 bol100 ite100 ukn100 eq175 hnf89 smp100 dnf100 smp100 tf108 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 4 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...