./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-memsafety/memset2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_56a471fe-b57c-493a-bc8d-4eee6aeed74a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_56a471fe-b57c-493a-bc8d-4eee6aeed74a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_56a471fe-b57c-493a-bc8d-4eee6aeed74a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_56a471fe-b57c-493a-bc8d-4eee6aeed74a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-memsafety/memset2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_56a471fe-b57c-493a-bc8d-4eee6aeed74a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_56a471fe-b57c-493a-bc8d-4eee6aeed74a/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 32bit --witnessprinter.graph.data.programhash 89c40e0e226fdcfbda8631272bf2c238348d58a6 ............................................................................................................................................................................................................................................................................................................................................................... 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 13:40:37,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:40:37,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:40:37,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:40:37,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:40:37,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:40:37,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:40:37,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:40:37,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:40:37,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:40:37,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:40:37,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:40:37,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:40:37,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:40:37,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:40:37,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:40:37,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:40:37,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:40:37,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:40:37,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:40:37,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:40:37,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:40:37,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:40:37,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:40:37,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:40:37,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:40:37,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:40:37,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:40:37,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:40:37,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:40:37,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:40:37,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:40:37,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:40:37,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:40:37,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:40:37,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:40:37,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:40:37,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:40:37,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:40:37,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:40:37,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:40:37,495 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_56a471fe-b57c-493a-bc8d-4eee6aeed74a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 13:40:37,506 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:40:37,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:40:37,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:40:37,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:40:37,508 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:40:37,508 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 13:40:37,508 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 13:40:37,508 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 13:40:37,508 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 13:40:37,508 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 13:40:37,508 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 13:40:37,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:40:37,508 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:40:37,509 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 13:40:37,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:40:37,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:40:37,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:40:37,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 13:40:37,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 13:40:37,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 13:40:37,510 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:40:37,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:40:37,510 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 13:40:37,510 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:40:37,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 13:40:37,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:40:37,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:40:37,511 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 13:40:37,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:40:37,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:40:37,511 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:40:37,511 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 13:40:37,512 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 13:40:37,512 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_56a471fe-b57c-493a-bc8d-4eee6aeed74a/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89c40e0e226fdcfbda8631272bf2c238348d58a6 [2019-12-07 13:40:37,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:40:37,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:40:37,626 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:40:37,627 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:40:37,628 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:40:37,628 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_56a471fe-b57c-493a-bc8d-4eee6aeed74a/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memset2.c [2019-12-07 13:40:37,673 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_56a471fe-b57c-493a-bc8d-4eee6aeed74a/bin/uautomizer/data/27c6b87c1/e7697ece626d4500b69cda14cbc19578/FLAG2a81e016e [2019-12-07 13:40:38,115 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:40:38,116 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_56a471fe-b57c-493a-bc8d-4eee6aeed74a/sv-benchmarks/c/ldv-memsafety/memset2.c [2019-12-07 13:40:38,119 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_56a471fe-b57c-493a-bc8d-4eee6aeed74a/bin/uautomizer/data/27c6b87c1/e7697ece626d4500b69cda14cbc19578/FLAG2a81e016e [2019-12-07 13:40:38,128 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_56a471fe-b57c-493a-bc8d-4eee6aeed74a/bin/uautomizer/data/27c6b87c1/e7697ece626d4500b69cda14cbc19578 [2019-12-07 13:40:38,130 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:40:38,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:40:38,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:40:38,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:40:38,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:40:38,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:40:38" (1/1) ... [2019-12-07 13:40:38,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12624de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:38, skipping insertion in model container [2019-12-07 13:40:38,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:40:38" (1/1) ... [2019-12-07 13:40:38,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:40:38,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:40:38,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:40:38,251 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:40:38,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:40:38,307 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:40:38,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:38 WrapperNode [2019-12-07 13:40:38,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:40:38,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:40:38,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:40:38,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:40:38,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:38" (1/1) ... [2019-12-07 13:40:38,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:38" (1/1) ... [2019-12-07 13:40:38,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:40:38,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:40:38,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:40:38,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:40:38,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:38" (1/1) ... [2019-12-07 13:40:38,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:38" (1/1) ... [2019-12-07 13:40:38,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:38" (1/1) ... [2019-12-07 13:40:38,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:38" (1/1) ... [2019-12-07 13:40:38,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:38" (1/1) ... [2019-12-07 13:40:38,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:38" (1/1) ... [2019-12-07 13:40:38,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:38" (1/1) ... [2019-12-07 13:40:38,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:40:38,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:40:38,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:40:38,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:40:38,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56a471fe-b57c-493a-bc8d-4eee6aeed74a/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 13:40:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-12-07 13:40:38,382 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-12-07 13:40:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:40:38,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:40:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:40:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:40:38,429 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 13:40:38,477 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:40:38,478 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 13:40:38,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:40:38 BoogieIcfgContainer [2019-12-07 13:40:38,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:40:38,479 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 13:40:38,479 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 13:40:38,481 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 13:40:38,482 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:40:38,482 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 01:40:38" (1/3) ... [2019-12-07 13:40:38,482 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27f60f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:40:38, skipping insertion in model container [2019-12-07 13:40:38,482 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:40:38,482 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:40:38" (2/3) ... [2019-12-07 13:40:38,483 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27f60f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:40:38, skipping insertion in model container [2019-12-07 13:40:38,483 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:40:38,483 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:40:38" (3/3) ... [2019-12-07 13:40:38,484 INFO L371 chiAutomizerObserver]: Analyzing ICFG memset2.c [2019-12-07 13:40:38,512 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 13:40:38,512 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 13:40:38,512 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 13:40:38,512 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:40:38,512 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:40:38,512 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 13:40:38,512 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:40:38,512 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 13:40:38,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-12-07 13:40:38,535 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 13:40:38,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:40:38,536 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:40:38,540 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 13:40:38,540 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 13:40:38,540 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 13:40:38,540 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-12-07 13:40:38,541 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 13:40:38,541 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:40:38,541 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:40:38,541 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 13:40:38,541 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 13:40:38,546 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~memset~res3.base, main_#t~memset~res3.offset, main_~#cstats~0.base, main_~#cstats~0.offset;call main_~#cstats~0.base, main_~#cstats~0.offset := #Ultimate.allocOnStack(40); 8#L22true call main_#t~memset~res3.base, main_#t~memset~res3.offset := #Ultimate.C_memset(main_~#cstats~0.base, main_~#cstats~0.offset, 0, 40);< 7##Ultimate.C_memsetENTRYtrue assume 1 == #valid[#ptr.base];assume #amount + #ptr.offset <= #length[#ptr.base] && 0 <= #ptr.offset; 4#$Ultimate##0true #t~loopctr5 := 0; 14#L-1-1true [2019-12-07 13:40:38,546 INFO L796 eck$LassoCheckResult]: Loop: 14#L-1-1true assume #t~loopctr5 < #amount;#t~loopctr5 := 1 + #t~loopctr5; 14#L-1-1true [2019-12-07 13:40:38,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:40:38,550 INFO L82 PathProgramCache]: Analyzing trace with hash 37284879, now seen corresponding path program 1 times [2019-12-07 13:40:38,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:40:38,556 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558022429] [2019-12-07 13:40:38,556 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:40:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:40:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:40:38,643 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:40:38,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:40:38,644 INFO L82 PathProgramCache]: Analyzing trace with hash 36, now seen corresponding path program 1 times [2019-12-07 13:40:38,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:40:38,645 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978091021] [2019-12-07 13:40:38,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:40:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:40:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:40:38,649 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:40:38,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:40:38,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1155831254, now seen corresponding path program 1 times [2019-12-07 13:40:38,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:40:38,651 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657884004] [2019-12-07 13:40:38,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:40:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:40:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:40:38,669 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:40:38,693 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:40:38,694 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:40:38,694 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:40:38,694 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:40:38,694 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 13:40:38,694 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:40:38,694 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:40:38,694 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:40:38,694 INFO L133 ssoRankerPreferences]: Filename of dumped script: memset2.c_Iteration1_Loop [2019-12-07 13:40:38,695 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:40:38,695 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:40:38,707 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 13:40:38,739 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:40:38,739 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56a471fe-b57c-493a-bc8d-4eee6aeed74a/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 13:40:38,744 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 13:40:38,744 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56a471fe-b57c-493a-bc8d-4eee6aeed74a/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 13:40:38,751 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 13:40:38,751 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 13:40:38,879 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 13:40:38,880 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:40:38,880 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:40:38,880 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:40:38,880 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:40:38,880 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 13:40:38,880 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:40:38,880 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:40:38,880 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:40:38,881 INFO L133 ssoRankerPreferences]: Filename of dumped script: memset2.c_Iteration1_Loop [2019-12-07 13:40:38,881 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:40:38,881 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:40:38,881 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 13:40:38,901 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:40:38,904 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56a471fe-b57c-493a-bc8d-4eee6aeed74a/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 13:40:38,908 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 13:40:38,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:40:38,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:40:38,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:40:38,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:40:38,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:40:38,912 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:40:38,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:40:38,915 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 13:40:38,920 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 13:40:38,920 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56a471fe-b57c-493a-bc8d-4eee6aeed74a/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 13:40:38,925 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 13:40:38,925 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 13:40:38,926 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 13:40:38,926 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(#Ultimate.C_memset_#t~loopctr5, #Ultimate.C_memset_#amount) = -1*#Ultimate.C_memset_#t~loopctr5 + 1*#Ultimate.C_memset_#amount Supporting invariants [] [2019-12-07 13:40:38,930 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 13:40:38,937 WARN L1295 BoogieBacktranslator]: unknown boogie variable #amount [2019-12-07 13:40:38,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:40:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:40:38,968 INFO L264 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 13:40:38,969 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:40:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:40:38,987 WARN L262 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 13:40:38,987 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:40:38,988 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 13:40:38,999 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 [2019-12-07 13:40:38,999 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 2 states. [2019-12-07 13:40:39,031 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 2 states. Result 15 states and 17 transitions. Complement of second has 6 states. [2019-12-07 13:40:39,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 13:40:39,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-12-07 13:40:39,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2019-12-07 13:40:39,036 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 1 letters. [2019-12-07 13:40:39,037 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:40:39,037 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2019-12-07 13:40:39,037 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:40:39,037 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2019-12-07 13:40:39,037 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:40:39,038 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2019-12-07 13:40:39,039 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 13:40:39,041 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-12-07 13:40:39,041 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 13:40:39,041 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 13:40:39,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 13:40:39,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 13:40:39,042 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:40:39,042 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:40:39,042 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:40:39,042 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 13:40:39,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:40:39,042 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 13:40:39,042 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 13:40:39,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 01:40:39 BoogieIcfgContainer [2019-12-07 13:40:39,048 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 13:40:39,048 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:40:39,048 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:40:39,049 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:40:39,049 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:40:38" (3/4) ... [2019-12-07 13:40:39,052 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 13:40:39,052 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:40:39,054 INFO L168 Benchmark]: Toolchain (without parser) took 922.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 944.8 MB in the beginning and 1.0 GB in the end (delta: -58.2 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:40:39,055 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 966.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:40:39,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 176.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:40:39,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.65 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:40:39,056 INFO L168 Benchmark]: Boogie Preprocessor took 12.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:40:39,057 INFO L168 Benchmark]: RCFGBuilder took 136.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:40:39,058 INFO L168 Benchmark]: BuchiAutomizer took 569.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:40:39,058 INFO L168 Benchmark]: Witness Printer took 3.99 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:40:39,061 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 966.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 176.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.65 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 136.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 569.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.99 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #amount * 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 * aux-#t~loopctr5-aux + unknown-#amount-unknown and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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: 6 SDtfs, 6 SDslu, 1 SDs, 0 SdLazy, 6 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 21ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 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...