./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/easySum-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/easySum-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 76734cd11c33a85b413392e9940357c680656079 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:21:01,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:21:01,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:21:01,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:21:01,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:21:01,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:21:01,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:21:01,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:21:01,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:21:01,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:21:01,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:21:01,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:21:01,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:21:01,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:21:01,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:21:01,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:21:01,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:21:01,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:21:01,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:21:01,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:21:01,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:21:01,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:21:01,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:21:01,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:21:01,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:21:01,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:21:01,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:21:01,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:21:01,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:21:01,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:21:01,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:21:01,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:21:01,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:21:01,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:21:01,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:21:01,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:21:01,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:21:01,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:21:01,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:21:01,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:21:01,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:21:01,356 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 18:21:01,367 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:21:01,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:21:01,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:21:01,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:21:01,368 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:21:01,368 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:21:01,368 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:21:01,369 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:21:01,369 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:21:01,369 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:21:01,369 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:21:01,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:21:01,369 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:21:01,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:21:01,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:21:01,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:21:01,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:21:01,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:21:01,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:21:01,370 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:21:01,370 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:21:01,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:21:01,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:21:01,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:21:01,371 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:21:01,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:21:01,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:21:01,371 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:21:01,371 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:21:01,371 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:21:01,372 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76734cd11c33a85b413392e9940357c680656079 [2019-12-07 18:21:01,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:21:01,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:21:01,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:21:01,481 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:21:01,481 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:21:01,482 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/easySum-alloca.i [2019-12-07 18:21:01,519 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/data/5b4774d5b/228d73f36ce9487dbd68b3854ff7a26b/FLAGfcb5feb01 [2019-12-07 18:21:01,988 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:21:01,989 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/sv-benchmarks/c/termination-memory-alloca/easySum-alloca.i [2019-12-07 18:21:01,998 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/data/5b4774d5b/228d73f36ce9487dbd68b3854ff7a26b/FLAGfcb5feb01 [2019-12-07 18:21:02,007 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/data/5b4774d5b/228d73f36ce9487dbd68b3854ff7a26b [2019-12-07 18:21:02,009 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:21:02,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:21:02,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:21:02,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:21:02,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:21:02,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:21:02" (1/1) ... [2019-12-07 18:21:02,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@669bfa11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:21:02, skipping insertion in model container [2019-12-07 18:21:02,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:21:02" (1/1) ... [2019-12-07 18:21:02,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:21:02,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:21:02,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:21:02,250 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:21:02,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:21:02,308 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:21:02,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:21:02 WrapperNode [2019-12-07 18:21:02,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:21:02,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:21:02,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:21:02,309 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:21:02,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:21:02" (1/1) ... [2019-12-07 18:21:02,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:21:02" (1/1) ... [2019-12-07 18:21:02,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:21:02,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:21:02,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:21:02,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:21:02,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:21:02" (1/1) ... [2019-12-07 18:21:02,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:21:02" (1/1) ... [2019-12-07 18:21:02,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:21:02" (1/1) ... [2019-12-07 18:21:02,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:21:02" (1/1) ... [2019-12-07 18:21:02,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:21:02" (1/1) ... [2019-12-07 18:21:02,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:21:02" (1/1) ... [2019-12-07 18:21:02,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:21:02" (1/1) ... [2019-12-07 18:21:02,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:21:02,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:21:02,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:21:02,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:21:02,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:21:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:21:02,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 18:21:02,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 18:21:02,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:21:02,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:21:02,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:21:02,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:21:02,542 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:21:02,542 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 18:21:02,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:21:02 BoogieIcfgContainer [2019-12-07 18:21:02,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:21:02,543 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:21:02,543 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:21:02,545 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:21:02,546 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:21:02,546 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:21:02" (1/3) ... [2019-12-07 18:21:02,547 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cdd8041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:21:02, skipping insertion in model container [2019-12-07 18:21:02,547 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:21:02,547 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:21:02" (2/3) ... [2019-12-07 18:21:02,547 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cdd8041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:21:02, skipping insertion in model container [2019-12-07 18:21:02,547 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:21:02,547 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:21:02" (3/3) ... [2019-12-07 18:21:02,548 INFO L371 chiAutomizerObserver]: Analyzing ICFG easySum-alloca.i [2019-12-07 18:21:02,576 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:21:02,576 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:21:02,576 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:21:02,576 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:21:02,576 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:21:02,576 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:21:02,576 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:21:02,576 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:21:02,585 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-12-07 18:21:02,598 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 18:21:02,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:21:02,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:21:02,602 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 18:21:02,602 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 18:21:02,602 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:21:02,603 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-12-07 18:21:02,603 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 18:21:02,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:21:02,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:21:02,604 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 18:21:02,604 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 18:21:02,608 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet12, main_#t~ret13;iterate_#in~bound := main_#t~nondet12;havoc iterate_#res;havoc iterate_#t~malloc2.base, iterate_#t~malloc2.offset, iterate_#t~malloc3.base, iterate_#t~malloc3.offset, iterate_#t~malloc4.base, iterate_#t~malloc4.offset, iterate_#t~mem9, iterate_#t~mem10, iterate_#t~mem5, iterate_#t~post6, iterate_#t~mem7, iterate_#t~mem8, iterate_#t~mem11, iterate_~bound, iterate_~bound_ref~0.base, iterate_~bound_ref~0.offset, iterate_~i~0.base, iterate_~i~0.offset, iterate_~sum~0.base, iterate_~sum~0.offset;iterate_~bound := iterate_#in~bound;call iterate_#t~malloc2.base, iterate_#t~malloc2.offset := #Ultimate.allocOnStack(4);iterate_~bound_ref~0.base, iterate_~bound_ref~0.offset := iterate_#t~malloc2.base, iterate_#t~malloc2.offset;call iterate_#t~malloc3.base, iterate_#t~malloc3.offset := #Ultimate.allocOnStack(4);iterate_~i~0.base, iterate_~i~0.offset := iterate_#t~malloc3.base, iterate_#t~malloc3.offset;call iterate_#t~malloc4.base, iterate_#t~malloc4.offset := #Ultimate.allocOnStack(4);iterate_~sum~0.base, iterate_~sum~0.offset := iterate_#t~malloc4.base, iterate_#t~malloc4.offset;call write~int(iterate_~bound, iterate_~bound_ref~0.base, iterate_~bound_ref~0.offset, 4);call write~int(0, iterate_~sum~0.base, iterate_~sum~0.offset, 4);call write~int(0, iterate_~i~0.base, iterate_~i~0.offset, 4); 9#L554-4true [2019-12-07 18:21:02,609 INFO L796 eck$LassoCheckResult]: Loop: 9#L554-4true call iterate_#t~mem7 := read~int(iterate_~i~0.base, iterate_~i~0.offset, 4);call iterate_#t~mem8 := read~int(iterate_~bound_ref~0.base, iterate_~bound_ref~0.offset, 4); 4#L554-1true assume !!(iterate_#t~mem7 < iterate_#t~mem8);havoc iterate_#t~mem7;havoc iterate_#t~mem8;call iterate_#t~mem9 := read~int(iterate_~sum~0.base, iterate_~sum~0.offset, 4);call iterate_#t~mem10 := read~int(iterate_~i~0.base, iterate_~i~0.offset, 4);call write~int(iterate_#t~mem9 + iterate_#t~mem10, iterate_~sum~0.base, iterate_~sum~0.offset, 4);havoc iterate_#t~mem10;havoc iterate_#t~mem9; 7#L554-3true call iterate_#t~mem5 := read~int(iterate_~i~0.base, iterate_~i~0.offset, 4);iterate_#t~post6 := iterate_#t~mem5;call write~int(1 + iterate_#t~post6, iterate_~i~0.base, iterate_~i~0.offset, 4);havoc iterate_#t~post6;havoc iterate_#t~mem5; 9#L554-4true [2019-12-07 18:21:02,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:21:02,613 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-12-07 18:21:02,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:21:02,618 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544713145] [2019-12-07 18:21:02,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:21:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:21:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:21:02,724 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:21:02,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:21:02,725 INFO L82 PathProgramCache]: Analyzing trace with hash 35911, now seen corresponding path program 1 times [2019-12-07 18:21:02,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:21:02,725 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422263006] [2019-12-07 18:21:02,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:21:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:21:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:21:02,759 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:21:02,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:21:02,760 INFO L82 PathProgramCache]: Analyzing trace with hash 28694853, now seen corresponding path program 1 times [2019-12-07 18:21:02,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:21:02,761 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750800531] [2019-12-07 18:21:02,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:21:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:21:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:21:02,803 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:21:03,171 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2019-12-07 18:21:03,289 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-12-07 18:21:03,297 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:21:03,298 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:21:03,298 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:21:03,298 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:21:03,298 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:21:03,298 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:21:03,299 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:21:03,299 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:21:03,299 INFO L133 ssoRankerPreferences]: Filename of dumped script: easySum-alloca.i_Iteration1_Lasso [2019-12-07 18:21:03,299 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:21:03,299 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:21:03,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:21:03,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:21:03,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:21:03,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:21:03,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:21:03,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:21:03,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:21:03,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:21:03,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:21:03,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:21:03,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:21:03,576 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2019-12-07 18:21:03,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:21:03,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:21:03,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:21:03,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:21:03,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:21:03,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:21:03,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:21:04,013 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:21:04,017 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:21:04,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:21:04,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:21:04,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:21:04,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:21:04,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:21:04,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:21:04,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:21:04,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:21:04,027 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:21:04,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:21:04,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:21:04,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:21:04,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:21:04,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:21:04,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:21:04,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:21:04,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:21:04,035 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:21:04,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:21:04,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:21:04,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:21:04,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:21:04,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:21:04,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:21:04,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:21:04,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:21:04,043 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:21:04,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:21:04,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:21:04,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:21:04,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:21:04,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:21:04,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:21:04,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:21:04,053 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:21:04,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:21:04,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:21:04,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:21:04,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:21:04,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:21:04,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:21:04,062 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:21:04,065 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/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 [2019-12-07 18:21:04,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:21:04,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:21:04,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:21:04,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:21:04,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:21:04,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:21:04,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:21:04,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:21:04,072 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:21:04,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:21:04,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:21:04,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:21:04,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:21:04,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:21:04,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:21:04,079 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:21:04,082 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:21:04,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:21:04,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:21:04,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:21:04,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:21:04,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:21:04,089 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:21:04,089 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:21:04,091 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:21:04,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:21:04,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:21:04,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:21:04,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:21:04,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:21:04,100 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:21:04,100 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:21:04,104 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:21:04,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:21:04,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:21:04,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:21:04,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:21:04,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:21:04,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:21:04,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:21:04,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:21:04,112 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:21:04,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:21:04,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:21:04,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:21:04,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:21:04,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:21:04,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:21:04,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:21:04,125 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:21:04,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:21:04,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:21:04,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:21:04,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:21:04,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:21:04,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:21:04,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:21:04,147 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:21:04,167 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-12-07 18:21:04,167 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1967b811-1ad5-4d37-92de-97c961072426/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:21:04,172 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:21:04,178 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 18:21:04,178 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:21:04,179 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_iterate_~i~0.base) ULTIMATE.start_iterate_~i~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_iterate_~bound_ref~0.base) ULTIMATE.start_iterate_~bound_ref~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_iterate_~i~0.base) ULTIMATE.start_iterate_~i~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_iterate_~bound_ref~0.base) ULTIMATE.start_iterate_~bound_ref~0.offset)_1 Supporting invariants [] [2019-12-07 18:21:04,255 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2019-12-07 18:21:04,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 18:21:04,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 18:21:04,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:21:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:21:04,303 INFO L264 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 18:21:04,305 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:21:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:21:04,316 INFO L264 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 18:21:04,317 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:21:04,381 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:21:04,381 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 46 [2019-12-07 18:21:04,385 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:21:04,402 INFO L614 ElimStorePlain]: treesize reduction 20, result has 65.5 percent of original size [2019-12-07 18:21:04,402 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:21:04,402 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:59, output treesize:38 [2019-12-07 18:21:04,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:21:04,431 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 18:21:04,432 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 4 states. [2019-12-07 18:21:04,499 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 4 states. Result 19 states and 21 transitions. Complement of second has 10 states. [2019-12-07 18:21:04,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 18:21:04,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 18:21:04,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 11 transitions. [2019-12-07 18:21:04,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 2 letters. Loop has 3 letters. [2019-12-07 18:21:04,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:21:04,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 5 letters. Loop has 3 letters. [2019-12-07 18:21:04,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:21:04,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 2 letters. Loop has 6 letters. [2019-12-07 18:21:04,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:21:04,503 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2019-12-07 18:21:04,505 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:21:04,507 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2019-12-07 18:21:04,507 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 18:21:04,507 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 18:21:04,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 18:21:04,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:21:04,508 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:21:04,508 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:21:04,508 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:21:04,508 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 18:21:04,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:21:04,508 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 18:21:04,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 18:21:04,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 06:21:04 BoogieIcfgContainer [2019-12-07 18:21:04,513 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 18:21:04,513 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:21:04,513 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:21:04,513 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:21:04,514 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:21:02" (3/4) ... [2019-12-07 18:21:04,516 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:21:04,516 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:21:04,517 INFO L168 Benchmark]: Toolchain (without parser) took 2507.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 939.3 MB in the beginning and 974.5 MB in the end (delta: -35.1 MB). Peak memory consumption was 103.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:21:04,517 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:21:04,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -188.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:21:04,518 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:21:04,518 INFO L168 Benchmark]: Boogie Preprocessor took 16.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:21:04,519 INFO L168 Benchmark]: RCFGBuilder took 190.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:21:04,520 INFO L168 Benchmark]: BuchiAutomizer took 1969.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.5 MB in the end (delta: 124.2 MB). Peak memory consumption was 124.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:21:04,520 INFO L168 Benchmark]: Witness Printer took 2.94 ms. Allocated memory is still 1.2 GB. Free memory is still 974.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:21:04,523 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 297.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -188.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 190.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1969.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.5 MB in the end (delta: 124.2 MB). Peak memory consumption was 124.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.94 ms. Allocated memory is still 1.2 GB. Free memory is still 974.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[i][i] + unknown-#memory_int-unknown[bound_ref][bound_ref] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 16 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital320 mio100 ax105 hnf100 lsp91 ukn55 mio100 lsp41 div100 bol100 ite100 ukn100 eq179 hnf88 smp91 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...