./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrchr_diffterm_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_d7f1423d-d105-48fb-a9a6-7cacbee231e9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrchr_diffterm_alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/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 886a4a8709e4979ee81c36ac10a56c06722d29ce .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:55:33,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:55:33,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:55:33,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:55:33,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:55:33,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:55:33,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:55:33,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:55:33,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:55:33,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:55:33,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:55:33,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:55:33,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:55:33,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:55:33,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:55:33,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:55:33,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:55:33,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:55:33,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:55:33,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:55:33,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:55:33,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:55:33,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:55:33,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:55:33,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:55:33,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:55:33,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:55:33,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:55:33,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:55:33,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:55:33,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:55:33,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:55:33,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:55:33,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:55:33,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:55:33,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:55:33,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:55:33,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:55:33,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:55:33,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:55:33,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:55:33,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 13:55:33,338 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:55:33,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:55:33,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:55:33,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:55:33,339 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:55:33,339 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 13:55:33,340 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 13:55:33,340 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 13:55:33,340 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 13:55:33,340 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 13:55:33,340 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 13:55:33,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:55:33,340 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 13:55:33,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:55:33,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:55:33,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 13:55:33,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 13:55:33,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 13:55:33,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:55:33,341 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 13:55:33,341 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:55:33,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 13:55:33,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:55:33,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:55:33,342 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 13:55:33,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:55:33,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:55:33,342 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:55:33,342 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 13:55:33,343 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 13:55:33,343 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_d7f1423d-d105-48fb-a9a6-7cacbee231e9/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 -> 886a4a8709e4979ee81c36ac10a56c06722d29ce [2019-12-07 13:55:33,442 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:55:33,449 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:55:33,451 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:55:33,452 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:55:33,453 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:55:33,453 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/bin/uautomizer/../../sv-benchmarks/c/termination-15/cstrchr_diffterm_alloca.i [2019-12-07 13:55:33,489 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/bin/uautomizer/data/cf78b8a1d/f2e03989d733435a9821198e6758aeca/FLAG0ccf0b5c7 [2019-12-07 13:55:33,959 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:55:33,959 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/sv-benchmarks/c/termination-15/cstrchr_diffterm_alloca.i [2019-12-07 13:55:33,966 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/bin/uautomizer/data/cf78b8a1d/f2e03989d733435a9821198e6758aeca/FLAG0ccf0b5c7 [2019-12-07 13:55:33,975 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/bin/uautomizer/data/cf78b8a1d/f2e03989d733435a9821198e6758aeca [2019-12-07 13:55:33,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:55:33,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:55:33,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:55:33,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:55:33,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:55:33,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:55:33" (1/1) ... [2019-12-07 13:55:33,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61040381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:55:33, skipping insertion in model container [2019-12-07 13:55:33,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:55:33" (1/1) ... [2019-12-07 13:55:33,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:55:34,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:55:34,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:55:34,239 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:55:34,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:55:34,303 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:55:34,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:55:34 WrapperNode [2019-12-07 13:55:34,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:55:34,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:55:34,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:55:34,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:55:34,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:55:34" (1/1) ... [2019-12-07 13:55:34,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:55:34" (1/1) ... [2019-12-07 13:55:34,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:55:34,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:55:34,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:55:34,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:55:34,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:55:34" (1/1) ... [2019-12-07 13:55:34,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:55:34" (1/1) ... [2019-12-07 13:55:34,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:55:34" (1/1) ... [2019-12-07 13:55:34,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:55:34" (1/1) ... [2019-12-07 13:55:34,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:55:34" (1/1) ... [2019-12-07 13:55:34,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:55:34" (1/1) ... [2019-12-07 13:55:34,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:55:34" (1/1) ... [2019-12-07 13:55:34,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:55:34,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:55:34,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:55:34,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:55:34,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:55:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/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 13:55:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 13:55:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 13:55:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:55:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:55:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:55:34,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:55:34,536 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:55:34,537 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 13:55:34,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:55:34 BoogieIcfgContainer [2019-12-07 13:55:34,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:55:34,538 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 13:55:34,538 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 13:55:34,540 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 13:55:34,541 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:55:34,541 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 01:55:33" (1/3) ... [2019-12-07 13:55:34,541 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@518e3f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:55:34, skipping insertion in model container [2019-12-07 13:55:34,541 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:55:34,542 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:55:34" (2/3) ... [2019-12-07 13:55:34,542 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@518e3f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:55:34, skipping insertion in model container [2019-12-07 13:55:34,542 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:55:34,542 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:55:34" (3/3) ... [2019-12-07 13:55:34,543 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrchr_diffterm_alloca.i [2019-12-07 13:55:34,570 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 13:55:34,570 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 13:55:34,570 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 13:55:34,570 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:55:34,570 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:55:34,571 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 13:55:34,571 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:55:34,571 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 13:55:34,579 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-12-07 13:55:34,593 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 13:55:34,593 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:55:34,593 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:55:34,597 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 13:55:34,597 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 13:55:34,597 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 13:55:34,597 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-12-07 13:55:34,598 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 13:55:34,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:55:34,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:55:34,599 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 13:55:34,599 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 13:55:34,605 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet211, main_#t~malloc212.base, main_#t~malloc212.offset, main_#t~nondet213, main_#t~ret214.base, main_#t~ret214.offset, main_~length~0, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet211;havoc main_#t~nondet211; 8#L372true assume !(main_~length~0 < 1); 12#L372-2true call main_#t~malloc212.base, main_#t~malloc212.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc212.base, main_#t~malloc212.offset;call write~int(49, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstrchr_#in~s.base, cstrchr_#in~s.offset, cstrchr_#in~c := main_~nondetString~0.base, main_~nondetString~0.offset, main_#t~nondet213;havoc cstrchr_#res.base, cstrchr_#res.offset;havoc cstrchr_#t~post208.base, cstrchr_#t~post208.offset, cstrchr_#t~mem205, cstrchr_#t~mem206, cstrchr_#t~short207, cstrchr_#t~mem209, cstrchr_#t~ite210.base, cstrchr_#t~ite210.offset, cstrchr_~s.base, cstrchr_~s.offset, cstrchr_~c;cstrchr_~s.base, cstrchr_~s.offset := cstrchr_#in~s.base, cstrchr_#in~s.offset;cstrchr_~c := cstrchr_#in~c; 9#L366-5true [2019-12-07 13:55:34,605 INFO L796 eck$LassoCheckResult]: Loop: 9#L366-5true call cstrchr_#t~mem205 := read~int(cstrchr_~s.base, cstrchr_~s.offset, 1);cstrchr_#t~short207 := 49 != cstrchr_#t~mem205; 4#L366-1true assume cstrchr_#t~short207;call cstrchr_#t~mem206 := read~int(cstrchr_~s.base, cstrchr_~s.offset, 1);cstrchr_#t~short207 := cstrchr_#t~mem206 != (if cstrchr_~c % 256 <= 127 then cstrchr_~c % 256 else cstrchr_~c % 256 - 256); 6#L366-3true assume !!cstrchr_#t~short207;havoc cstrchr_#t~short207;havoc cstrchr_#t~mem206;havoc cstrchr_#t~mem205;cstrchr_#t~post208.base, cstrchr_#t~post208.offset := cstrchr_~s.base, cstrchr_~s.offset;cstrchr_~s.base, cstrchr_~s.offset := cstrchr_#t~post208.base, 1 + cstrchr_#t~post208.offset;havoc cstrchr_#t~post208.base, cstrchr_#t~post208.offset; 9#L366-5true [2019-12-07 13:55:34,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:55:34,610 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-12-07 13:55:34,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:55:34,615 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229239349] [2019-12-07 13:55:34,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:55:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:55:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:55:34,703 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:55:34,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:55:34,704 INFO L82 PathProgramCache]: Analyzing trace with hash 43797, now seen corresponding path program 1 times [2019-12-07 13:55:34,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:55:34,704 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990887780] [2019-12-07 13:55:34,704 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:55:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:55:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:55:34,722 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:55:34,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:55:34,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815409, now seen corresponding path program 1 times [2019-12-07 13:55:34,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:55:34,723 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651095787] [2019-12-07 13:55:34,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:55:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:55:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:55:34,762 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:55:35,060 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:55:35,061 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:55:35,061 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:55:35,061 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:55:35,061 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 13:55:35,061 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:55:35,061 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:55:35,061 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:55:35,061 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrchr_diffterm_alloca.i_Iteration1_Lasso [2019-12-07 13:55:35,061 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:55:35,062 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:55:35,078 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 13:55:35,082 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 13:55:35,083 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 13:55:35,085 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 13:55:35,087 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 13:55:35,088 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 13:55:35,090 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 13:55:35,091 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 13:55:35,093 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 13:55:35,094 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 13:55:35,235 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 13:55:35,236 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 13:55:35,238 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 13:55:35,239 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 13:55:35,241 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 13:55:35,242 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 13:55:35,244 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 13:55:35,602 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2019-12-07 13:55:35,619 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:55:35,623 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/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 13:55:35,636 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 13:55:35,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:55:35,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:55:35,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:55:35,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:55:35,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:55:35,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:55:35,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:55:35,642 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/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 13:55:35,646 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 13:55:35,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:55:35,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:55:35,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:55:35,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:55:35,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:55:35,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:55:35,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:55:35,649 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/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 13:55:35,653 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 13:55:35,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:55:35,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:55:35,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:55:35,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:55:35,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:55:35,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:55:35,660 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/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 13:55:35,664 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 13:55:35,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:55:35,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:55:35,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:55:35,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:55:35,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:55:35,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:55:35,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:55:35,668 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/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 13:55:35,671 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 13:55:35,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:55:35,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:55:35,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:55:35,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:55:35,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:55:35,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:55:35,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:55:35,674 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/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 13:55:35,678 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 13:55:35,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:55:35,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:55:35,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:55:35,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:55:35,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:55:35,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:55:35,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:55:35,681 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/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 13:55:35,685 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 13:55:35,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:55:35,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:55:35,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:55:35,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:55:35,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:55:35,687 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:55:35,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:55:35,689 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/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 13:55:35,696 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 13:55:35,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:55:35,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:55:35,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:55:35,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:55:35,700 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:55:35,700 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:55:35,702 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/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 13:55:35,707 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 13:55:35,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:55:35,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:55:35,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:55:35,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:55:35,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:55:35,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:55:35,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:55:35,710 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/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 13:55:35,715 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 13:55:35,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:55:35,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:55:35,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:55:35,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:55:35,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:55:35,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:55:35,728 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/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 13:55:35,733 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 13:55:35,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:55:35,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:55:35,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:55:35,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:55:35,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:55:35,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:55:35,739 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/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 13:55:35,744 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 13:55:35,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:55:35,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:55:35,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:55:35,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:55:35,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 13:55:35,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 13:55:35,759 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 13:55:35,795 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2019-12-07 13:55:35,795 INFO L444 ModelExtractionUtils]: 5 out of 25 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d7f1423d-d105-48fb-a9a6-7cacbee231e9/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 13:55:35,800 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 13:55:35,807 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 13:55:35,808 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 13:55:35,808 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrchr_~s.offset, v_rep(select #length ULTIMATE.start_cstrchr_~s.base)_1) = -1*ULTIMATE.start_cstrchr_~s.offset + 1*v_rep(select #length ULTIMATE.start_cstrchr_~s.base)_1 Supporting invariants [] [2019-12-07 13:55:35,824 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-12-07 13:55:35,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 13:55:35,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:55:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:55:35,856 INFO L264 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:55:35,857 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:55:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:55:35,868 INFO L264 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 13:55:35,868 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:55:35,878 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 13:55:35,893 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 13:55:35,894 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 3 states. [2019-12-07 13:55:35,938 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 3 states. Result 31 states and 39 transitions. Complement of second has 5 states. [2019-12-07 13:55:35,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 13:55:35,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 13:55:35,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2019-12-07 13:55:35,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 4 letters. Loop has 3 letters. [2019-12-07 13:55:35,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:55:35,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 7 letters. Loop has 3 letters. [2019-12-07 13:55:35,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:55:35,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 4 letters. Loop has 6 letters. [2019-12-07 13:55:35,944 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:55:35,945 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 39 transitions. [2019-12-07 13:55:35,947 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 13:55:35,949 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2019-12-07 13:55:35,950 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 13:55:35,951 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 13:55:35,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 13:55:35,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 13:55:35,951 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:55:35,951 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:55:35,951 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:55:35,952 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 13:55:35,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:55:35,952 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 13:55:35,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 13:55:35,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 01:55:35 BoogieIcfgContainer [2019-12-07 13:55:35,958 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 13:55:35,958 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:55:35,958 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:55:35,958 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:55:35,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:55:34" (3/4) ... [2019-12-07 13:55:35,962 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 13:55:35,962 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:55:35,963 INFO L168 Benchmark]: Toolchain (without parser) took 1985.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 949.0 MB in the beginning and 1.0 GB in the end (delta: -94.8 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:55:35,964 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:55:35,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -162.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:55:35,965 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.96 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 13:55:35,965 INFO L168 Benchmark]: Boogie Preprocessor took 16.14 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 13:55:35,966 INFO L168 Benchmark]: RCFGBuilder took 188.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 13:55:35,966 INFO L168 Benchmark]: BuchiAutomizer took 1419.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:55:35,966 INFO L168 Benchmark]: Witness Printer took 3.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:55:35,970 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 325.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -162.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.96 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 16.14 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 188.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1419.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.87 ms. Allocated memory is still 1.2 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 #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[s] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 12 SDtfs, 25 SDslu, 7 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital179 mio100 ax100 hnf98 lsp98 ukn70 mio100 lsp34 div164 bol100 ite100 ukn100 eq155 hnf66 smp100 dnf873 smp33 tf100 neg94 sie114 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...