./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.05-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_3c25d1cf-f979-4170-958d-85ea0cd40816/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/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 f1e9ba7e316537618e1819aa49662575d0a5a8e7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 10:07:37,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:07:37,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:07:37,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:07:37,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:07:37,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:07:37,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:07:37,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:07:37,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:07:37,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:07:37,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:07:37,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:07:37,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:07:37,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:07:37,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:07:37,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:07:37,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:07:37,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:07:37,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:07:37,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:07:37,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:07:37,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:07:37,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:07:37,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:07:37,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:07:37,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:07:37,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:07:37,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:07:37,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:07:37,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:07:37,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:07:37,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:07:37,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:07:37,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:07:37,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:07:37,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:07:37,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:07:37,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:07:37,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:07:37,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:07:37,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:07:37,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 10:07:37,433 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:07:37,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:07:37,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:07:37,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:07:37,435 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:07:37,435 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 10:07:37,435 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 10:07:37,435 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 10:07:37,435 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 10:07:37,435 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 10:07:37,435 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 10:07:37,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:07:37,436 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 10:07:37,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:07:37,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:07:37,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 10:07:37,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 10:07:37,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 10:07:37,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:07:37,437 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 10:07:37,437 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:07:37,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 10:07:37,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:07:37,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:07:37,437 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 10:07:37,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:07:37,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:07:37,438 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:07:37,438 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 10:07:37,438 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 10:07:37,438 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_3c25d1cf-f979-4170-958d-85ea0cd40816/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 -> f1e9ba7e316537618e1819aa49662575d0a5a8e7 [2019-12-07 10:07:37,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:07:37,548 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:07:37,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:07:37,552 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:07:37,552 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:07:37,552 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i [2019-12-07 10:07:37,591 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/bin/uautomizer/data/2cab7f49e/97aea60ab1604aa6b191be707d94a5e2/FLAG7cb82a642 [2019-12-07 10:07:37,976 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:07:37,976 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i [2019-12-07 10:07:37,984 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/bin/uautomizer/data/2cab7f49e/97aea60ab1604aa6b191be707d94a5e2/FLAG7cb82a642 [2019-12-07 10:07:38,369 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/bin/uautomizer/data/2cab7f49e/97aea60ab1604aa6b191be707d94a5e2 [2019-12-07 10:07:38,371 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:07:38,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:07:38,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:07:38,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:07:38,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:07:38,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:07:38" (1/1) ... [2019-12-07 10:07:38,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f25476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:38, skipping insertion in model container [2019-12-07 10:07:38,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:07:38" (1/1) ... [2019-12-07 10:07:38,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:07:38,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:07:38,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:07:38,614 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:07:38,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:07:38,673 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:07:38,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:38 WrapperNode [2019-12-07 10:07:38,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:07:38,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:07:38,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:07:38,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:07:38,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:38" (1/1) ... [2019-12-07 10:07:38,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:38" (1/1) ... [2019-12-07 10:07:38,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:07:38,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:07:38,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:07:38,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:07:38,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:38" (1/1) ... [2019-12-07 10:07:38,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:38" (1/1) ... [2019-12-07 10:07:38,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:38" (1/1) ... [2019-12-07 10:07:38,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:38" (1/1) ... [2019-12-07 10:07:38,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:38" (1/1) ... [2019-12-07 10:07:38,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:38" (1/1) ... [2019-12-07 10:07:38,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:38" (1/1) ... [2019-12-07 10:07:38,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:07:38,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:07:38,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:07:38,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:07:38,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/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 10:07:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 10:07:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 10:07:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:07:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:07:38,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:07:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:07:38,928 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:07:38,928 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 10:07:38,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:07:38 BoogieIcfgContainer [2019-12-07 10:07:38,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:07:38,929 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 10:07:38,929 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 10:07:38,931 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 10:07:38,932 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:07:38,932 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 10:07:38" (1/3) ... [2019-12-07 10:07:38,933 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6496e72d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:07:38, skipping insertion in model container [2019-12-07 10:07:38,933 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:07:38,933 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:38" (2/3) ... [2019-12-07 10:07:38,933 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6496e72d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:07:38, skipping insertion in model container [2019-12-07 10:07:38,933 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:07:38,933 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:07:38" (3/3) ... [2019-12-07 10:07:38,934 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.05-alloca.i [2019-12-07 10:07:38,968 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 10:07:38,969 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 10:07:38,969 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 10:07:38,969 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:07:38,969 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:07:38,969 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 10:07:38,969 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:07:38,969 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 10:07:38,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-12-07 10:07:38,991 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 10:07:38,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:07:38,992 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:07:38,996 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 10:07:38,996 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:07:38,996 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 10:07:38,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-12-07 10:07:38,997 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 10:07:38,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:07:38,997 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:07:38,997 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 10:07:38,998 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:07:39,002 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~tmp := main_#t~nondet15, main_#t~nondet16;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~nondet4, test_fun_#t~mem12, test_fun_#t~nondet13, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~short11, test_fun_#t~mem14, test_fun_~x, test_fun_~tmp, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~tmp := test_fun_#in~tmp;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~tmp, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(test_fun_#t~nondet4, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet4; 6#L554-11true [2019-12-07 10:07:39,003 INFO L796 eck$LassoCheckResult]: Loop: 6#L554-11true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 8#L554-1true assume test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 >= 0; 12#L554-3true test_fun_#t~short9 := test_fun_#t~short7; 14#L554-4true assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 1073741824; 3#L554-6true test_fun_#t~short11 := test_fun_#t~short9; 4#L554-7true assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short11 := test_fun_~x == 2 * test_fun_#t~mem10; 5#L554-9true assume !!test_fun_#t~short11;havoc test_fun_#t~mem8;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~short11;havoc test_fun_#t~mem10;havoc test_fun_#t~short9;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12;call write~int(test_fun_#t~nondet13, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet13; 6#L554-11true [2019-12-07 10:07:39,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:07:39,007 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-12-07 10:07:39,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:07:39,012 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269734299] [2019-12-07 10:07:39,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:07:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:07:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:07:39,109 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:07:39,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:07:39,109 INFO L82 PathProgramCache]: Analyzing trace with hash -334850282, now seen corresponding path program 1 times [2019-12-07 10:07:39,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:07:39,110 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258866174] [2019-12-07 10:07:39,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:07:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:07:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:07:39,141 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:07:39,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:07:39,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1211446548, now seen corresponding path program 1 times [2019-12-07 10:07:39,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:07:39,143 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470326984] [2019-12-07 10:07:39,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:07:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:07:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:07:39,186 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:07:39,343 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2019-12-07 10:07:39,521 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 66 [2019-12-07 10:07:39,581 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:07:39,582 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:07:39,582 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:07:39,582 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:07:39,582 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:07:39,582 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:07:39,582 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:07:39,582 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:07:39,582 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.05-alloca.i_Iteration1_Lasso [2019-12-07 10:07:39,582 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:07:39,583 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:07:39,598 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 10:07:39,603 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 10:07:39,604 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 10:07:39,606 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 10:07:39,607 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 10:07:39,609 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 10:07:39,611 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 10:07:39,613 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 10:07:39,615 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 10:07:39,616 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 10:07:39,619 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 10:07:39,621 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 10:07:39,622 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 10:07:39,626 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 10:07:39,627 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 10:07:39,817 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 10:07:39,819 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 10:07:39,820 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 10:07:39,821 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 10:07:39,823 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 10:07:40,091 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:07:40,094 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/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 10:07:40,098 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 10:07:40,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:07:40,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:07:40,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:07:40,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:07:40,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:07:40,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:07:40,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:07:40,104 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/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 10:07:40,109 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 10:07:40,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:07:40,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:07:40,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:07:40,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:07:40,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:07:40,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:07:40,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:07:40,113 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/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 10:07:40,117 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 10:07:40,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:07:40,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:07:40,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:07:40,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:07:40,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:07:40,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:07:40,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:07:40,120 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/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 10:07:40,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:07:40,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:07:40,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:07:40,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:07:40,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:07:40,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:07:40,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:07:40,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:07:40,128 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/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 10:07:40,133 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 10:07:40,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:07:40,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:07:40,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:07:40,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:07:40,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:07:40,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:07:40,139 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/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 10:07:40,143 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 10:07:40,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:07:40,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:07:40,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:07:40,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:07:40,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:07:40,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:07:40,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:07:40,147 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/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 10:07:40,150 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 10:07:40,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:07:40,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:07:40,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:07:40,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:07:40,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:07:40,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:07:40,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:07:40,154 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/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 10:07:40,158 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 10:07:40,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:07:40,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:07:40,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:07:40,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:07:40,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:07:40,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:07:40,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:07:40,161 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/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 10:07:40,165 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 10:07:40,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:07:40,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:07:40,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:07:40,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:07:40,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:07:40,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:07:40,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:07:40,168 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/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 10:07:40,172 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 10:07:40,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:07:40,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:07:40,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:07:40,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:07:40,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:07:40,175 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:07:40,177 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/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 10:07:40,182 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 10:07:40,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:07:40,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:07:40,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:07:40,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:07:40,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:07:40,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:07:40,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/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 10:07:40,193 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 10:07:40,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:07:40,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:07:40,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:07:40,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:07:40,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:07:40,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:07:40,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:07:40,196 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/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 10:07:40,199 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 10:07:40,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:07:40,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:07:40,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:07:40,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:07:40,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:07:40,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:07:40,206 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/bin/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:07:40,211 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 10:07:40,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:07:40,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:07:40,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:07:40,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:07:40,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:07:40,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:07:40,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:07:40,214 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/bin/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:07:40,218 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 10:07:40,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:07:40,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:07:40,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:07:40,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:07:40,223 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:07:40,223 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:07:40,229 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:07:40,233 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 10:07:40,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:07:40,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:07:40,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:07:40,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:07:40,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:07:40,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:07:40,242 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:07:40,246 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 10:07:40,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:07:40,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:07:40,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:07:40,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:07:40,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:07:40,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:07:40,255 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:07:40,260 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 10:07:40,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:07:40,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:07:40,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:07:40,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:07:40,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:07:40,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:07:40,267 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:07:40,271 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 10:07:40,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:07:40,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:07:40,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:07:40,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:07:40,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:07:40,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:07:40,277 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:07:40,285 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 10:07:40,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:07:40,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:07:40,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:07:40,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:07:40,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:07:40,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:07:40,299 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:07:40,314 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-12-07 10:07:40,314 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3c25d1cf-f979-4170-958d-85ea0cd40816/bin/uautomizer/z3 Starting monitored process 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:07:40,319 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:07:40,324 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 10:07:40,324 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:07:40,325 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2019-12-07 10:07:40,353 INFO L297 tatePredicateManager]: 9 out of 11 supporting invariants were superfluous and have been removed [2019-12-07 10:07:40,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 10:07:40,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:07:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:07:40,402 INFO L264 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 10:07:40,403 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:07:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:07:40,418 INFO L264 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 10:07:40,419 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:07:40,422 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:07:40,467 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 10:07:40,479 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 10:07:40,480 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 4 states. [2019-12-07 10:07:40,558 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 4 states. Result 42 states and 57 transitions. Complement of second has 10 states. [2019-12-07 10:07:40,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 10:07:40,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 10:07:40,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 28 transitions. [2019-12-07 10:07:40,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 2 letters. Loop has 7 letters. [2019-12-07 10:07:40,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:07:40,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 9 letters. Loop has 7 letters. [2019-12-07 10:07:40,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:07:40,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 2 letters. Loop has 14 letters. [2019-12-07 10:07:40,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:07:40,563 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 57 transitions. [2019-12-07 10:07:40,565 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 10:07:40,567 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 24 states and 33 transitions. [2019-12-07 10:07:40,568 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-12-07 10:07:40,568 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 10:07:40,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 33 transitions. [2019-12-07 10:07:40,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:07:40,569 INFO L688 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-12-07 10:07:40,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 33 transitions. [2019-12-07 10:07:40,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2019-12-07 10:07:40,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-12-07 10:07:40,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 32 transitions. [2019-12-07 10:07:40,586 INFO L711 BuchiCegarLoop]: Abstraction has 23 states and 32 transitions. [2019-12-07 10:07:40,587 INFO L591 BuchiCegarLoop]: Abstraction has 23 states and 32 transitions. [2019-12-07 10:07:40,587 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 10:07:40,587 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 32 transitions. [2019-12-07 10:07:40,587 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 10:07:40,587 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:07:40,587 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:07:40,588 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 10:07:40,588 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:07:40,588 INFO L794 eck$LassoCheckResult]: Stem: 175#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 168#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~tmp := main_#t~nondet15, main_#t~nondet16;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~nondet4, test_fun_#t~mem12, test_fun_#t~nondet13, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~short11, test_fun_#t~mem14, test_fun_~x, test_fun_~tmp, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~tmp := test_fun_#in~tmp;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~tmp, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(test_fun_#t~nondet4, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet4; 169#L554-11 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 170#L554-1 [2019-12-07 10:07:40,588 INFO L796 eck$LassoCheckResult]: Loop: 170#L554-1 assume !test_fun_#t~short7; 171#L554-3 test_fun_#t~short9 := test_fun_#t~short7; 178#L554-4 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 1073741824; 164#L554-6 test_fun_#t~short11 := test_fun_#t~short9; 165#L554-7 assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short11 := test_fun_~x == 2 * test_fun_#t~mem10; 176#L554-9 assume !!test_fun_#t~short11;havoc test_fun_#t~mem8;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~short11;havoc test_fun_#t~mem10;havoc test_fun_#t~short9;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12;call write~int(test_fun_#t~nondet13, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet13; 180#L554-11 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 170#L554-1 [2019-12-07 10:07:40,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:07:40,588 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-12-07 10:07:40,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:07:40,588 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390897409] [2019-12-07 10:07:40,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:07:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:07:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:07:40,607 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:07:40,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:07:40,607 INFO L82 PathProgramCache]: Analyzing trace with hash -74889736, now seen corresponding path program 1 times [2019-12-07 10:07:40,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:07:40,607 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433341087] [2019-12-07 10:07:40,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:07:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:07:40,631 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 10:07:40,631 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433341087] [2019-12-07 10:07:40,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:07:40,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 10:07:40,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017031298] [2019-12-07 10:07:40,634 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 10:07:40,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:07:40,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:07:40,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:07:40,637 INFO L87 Difference]: Start difference. First operand 23 states and 32 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-12-07 10:07:40,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:07:40,659 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2019-12-07 10:07:40,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:07:40,659 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2019-12-07 10:07:40,660 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 10:07:40,661 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 34 transitions. [2019-12-07 10:07:40,661 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-12-07 10:07:40,661 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-12-07 10:07:40,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2019-12-07 10:07:40,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:07:40,661 INFO L688 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2019-12-07 10:07:40,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2019-12-07 10:07:40,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2019-12-07 10:07:40,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-12-07 10:07:40,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2019-12-07 10:07:40,663 INFO L711 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2019-12-07 10:07:40,663 INFO L591 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2019-12-07 10:07:40,663 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 10:07:40,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 30 transitions. [2019-12-07 10:07:40,664 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 10:07:40,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:07:40,664 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:07:40,664 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 10:07:40,664 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:07:40,664 INFO L794 eck$LassoCheckResult]: Stem: 233#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 222#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~tmp := main_#t~nondet15, main_#t~nondet16;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~nondet4, test_fun_#t~mem12, test_fun_#t~nondet13, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~short11, test_fun_#t~mem14, test_fun_~x, test_fun_~tmp, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~tmp := test_fun_#in~tmp;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~tmp, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(test_fun_#t~nondet4, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet4; 223#L554-11 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 228#L554-1 [2019-12-07 10:07:40,665 INFO L796 eck$LassoCheckResult]: Loop: 228#L554-1 assume !test_fun_#t~short7; 229#L554-3 test_fun_#t~short9 := test_fun_#t~short7; 236#L554-4 assume !test_fun_#t~short9; 224#L554-6 test_fun_#t~short11 := test_fun_#t~short9; 225#L554-7 assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short11 := test_fun_~x == 2 * test_fun_#t~mem10; 234#L554-9 assume !!test_fun_#t~short11;havoc test_fun_#t~mem8;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~short11;havoc test_fun_#t~mem10;havoc test_fun_#t~short9;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12;call write~int(test_fun_#t~nondet13, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet13; 238#L554-11 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 228#L554-1 [2019-12-07 10:07:40,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:07:40,665 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2019-12-07 10:07:40,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:07:40,665 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566253576] [2019-12-07 10:07:40,665 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:07:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:07:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:07:40,681 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:07:40,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:07:40,681 INFO L82 PathProgramCache]: Analyzing trace with hash -73042694, now seen corresponding path program 1 times [2019-12-07 10:07:40,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:07:40,682 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067651751] [2019-12-07 10:07:40,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:07:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:07:40,697 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 10:07:40,697 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067651751] [2019-12-07 10:07:40,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:07:40,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 10:07:40,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939650866] [2019-12-07 10:07:40,698 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 10:07:40,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:07:40,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:07:40,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:07:40,698 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. cyclomatic complexity: 9 Second operand 5 states. [2019-12-07 10:07:40,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:07:40,739 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2019-12-07 10:07:40,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 10:07:40,739 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 26 transitions. [2019-12-07 10:07:40,740 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 10:07:40,740 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2019-12-07 10:07:40,740 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 10:07:40,740 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 10:07:40,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 10:07:40,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 10:07:40,740 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:07:40,740 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:07:40,741 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:07:40,741 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 10:07:40,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:07:40,741 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 10:07:40,741 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 10:07:40,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 10:07:40 BoogieIcfgContainer [2019-12-07 10:07:40,745 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 10:07:40,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:07:40,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:07:40,745 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:07:40,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:07:38" (3/4) ... [2019-12-07 10:07:40,748 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 10:07:40,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:07:40,749 INFO L168 Benchmark]: Toolchain (without parser) took 2376.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 944.6 MB in the beginning and 934.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 114.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:07:40,749 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 962.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:07:40,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -146.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:07:40,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.98 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: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:07:40,750 INFO L168 Benchmark]: Boogie Preprocessor took 17.23 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: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:07:40,751 INFO L168 Benchmark]: RCFGBuilder took 208.16 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:07:40,751 INFO L168 Benchmark]: BuchiAutomizer took 1815.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 937.0 MB in the end (delta: 129.2 MB). Peak memory consumption was 129.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:07:40,751 INFO L168 Benchmark]: Witness Printer took 2.68 ms. Allocated memory is still 1.1 GB. Free memory was 937.0 MB in the beginning and 934.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:07:40,754 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 962.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 301.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -146.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.98 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: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.23 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: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 208.16 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1815.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 937.0 MB in the end (delta: 129.2 MB). Peak memory consumption was 129.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.68 ms. Allocated memory is still 1.1 GB. Free memory was 937.0 MB in the beginning and 934.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 23 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 24 SDtfs, 44 SDslu, 39 SDs, 0 SdLazy, 59 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital220 mio100 ax108 hnf100 lsp87 ukn64 mio100 lsp37 div100 bol100 ite100 ukn100 eq172 hnf89 smp92 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...