./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/ex1-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_1ecffbc6-0c41-4850-8788-de653725249e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/ex1-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/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 4b45df13f81f06cb5935eadea1b8dc5cf75af29d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:26:04,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:26:04,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:26:04,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:26:04,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:26:04,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:26:04,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:26:04,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:26:04,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:26:04,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:26:04,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:26:04,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:26:04,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:26:04,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:26:04,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:26:04,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:26:04,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:26:04,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:26:04,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:26:04,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:26:04,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:26:04,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:26:04,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:26:04,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:26:04,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:26:04,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:26:04,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:26:04,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:26:04,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:26:04,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:26:04,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:26:04,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:26:04,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:26:04,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:26:04,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:26:04,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:26:04,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:26:04,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:26:04,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:26:04,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:26:04,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:26:04,859 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 17:26:04,873 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:26:04,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:26:04,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:26:04,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:26:04,874 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:26:04,874 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:26:04,874 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:26:04,875 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:26:04,875 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:26:04,875 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:26:04,875 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:26:04,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:26:04,875 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:26:04,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:26:04,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:26:04,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:26:04,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:26:04,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:26:04,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:26:04,877 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:26:04,877 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:26:04,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:26:04,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:26:04,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:26:04,877 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:26:04,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:26:04,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:26:04,878 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:26:04,878 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:26:04,879 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:26:04,879 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_1ecffbc6-0c41-4850-8788-de653725249e/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 -> 4b45df13f81f06cb5935eadea1b8dc5cf75af29d [2019-12-07 17:26:04,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:26:05,001 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:26:05,004 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:26:05,005 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:26:05,005 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:26:05,006 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/ex1-alloca.i [2019-12-07 17:26:05,050 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/bin/uautomizer/data/187f393a4/c01b138d3c5b4bd6ae9686b115c55236/FLAGb2944ac4a [2019-12-07 17:26:05,407 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:26:05,407 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/sv-benchmarks/c/termination-memory-alloca/ex1-alloca.i [2019-12-07 17:26:05,415 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/bin/uautomizer/data/187f393a4/c01b138d3c5b4bd6ae9686b115c55236/FLAGb2944ac4a [2019-12-07 17:26:05,424 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/bin/uautomizer/data/187f393a4/c01b138d3c5b4bd6ae9686b115c55236 [2019-12-07 17:26:05,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:26:05,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:26:05,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:26:05,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:26:05,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:26:05,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:26:05" (1/1) ... [2019-12-07 17:26:05,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27669dcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:26:05, skipping insertion in model container [2019-12-07 17:26:05,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:26:05" (1/1) ... [2019-12-07 17:26:05,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:26:05,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:26:05,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:26:05,669 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:26:05,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:26:05,727 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:26:05,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:26:05 WrapperNode [2019-12-07 17:26:05,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:26:05,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:26:05,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:26:05,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:26:05,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:26:05" (1/1) ... [2019-12-07 17:26:05,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:26:05" (1/1) ... [2019-12-07 17:26:05,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:26:05,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:26:05,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:26:05,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:26:05,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:26:05" (1/1) ... [2019-12-07 17:26:05,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:26:05" (1/1) ... [2019-12-07 17:26:05,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:26:05" (1/1) ... [2019-12-07 17:26:05,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:26:05" (1/1) ... [2019-12-07 17:26:05,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:26:05" (1/1) ... [2019-12-07 17:26:05,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:26:05" (1/1) ... [2019-12-07 17:26:05,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:26:05" (1/1) ... [2019-12-07 17:26:05,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:26:05,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:26:05,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:26:05,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:26:05,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:26:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/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 17:26:05,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:26:05,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:26:05,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:26:05,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:26:05,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:26:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:26:05,956 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:26:05,956 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 17:26:05,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:26:05 BoogieIcfgContainer [2019-12-07 17:26:05,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:26:05,958 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:26:05,958 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:26:05,960 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:26:05,960 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:26:05,960 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:26:05" (1/3) ... [2019-12-07 17:26:05,961 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19760af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:26:05, skipping insertion in model container [2019-12-07 17:26:05,961 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:26:05,961 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:26:05" (2/3) ... [2019-12-07 17:26:05,962 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19760af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:26:05, skipping insertion in model container [2019-12-07 17:26:05,962 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:26:05,962 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:26:05" (3/3) ... [2019-12-07 17:26:05,963 INFO L371 chiAutomizerObserver]: Analyzing ICFG ex1-alloca.i [2019-12-07 17:26:05,990 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:26:05,990 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:26:05,990 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:26:05,990 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:26:05,991 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:26:05,991 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:26:05,991 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:26:05,991 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:26:05,999 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-12-07 17:26:06,013 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 17:26:06,013 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:26:06,013 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:26:06,017 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 17:26:06,017 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:26:06,017 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:26:06,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-12-07 17:26:06,018 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 17:26:06,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:26:06,018 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:26:06,018 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 17:26:06,018 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:26:06,023 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~ret13;test_fun_#in~x, test_fun_#in~y, test_fun_#in~r := main_#t~nondet10, main_#t~nondet11, main_#t~nondet12;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem5, test_fun_#t~mem9, test_fun_~x, test_fun_~y, test_fun_~r, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~r_ref~0.base, test_fun_~r_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~r := test_fun_#in~r;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~r_ref~0.base, test_fun_~r_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;test_fun_~r := 1;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~r, test_fun_~r_ref~0.base, test_fun_~r_ref~0.offset, 4); 4#L556-3true [2019-12-07 17:26:06,023 INFO L796 eck$LassoCheckResult]: Loop: 4#L556-3true call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 9#L556-1true assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~r_ref~0.base, test_fun_~r_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem6 * test_fun_#t~mem7, test_fun_~r_ref~0.base, test_fun_~r_ref~0.offset, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem8 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem8; 4#L556-3true [2019-12-07 17:26:06,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:26:06,027 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-12-07 17:26:06,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:26:06,033 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215460710] [2019-12-07 17:26:06,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:26:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:26:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:26:06,143 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:26:06,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:26:06,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2019-12-07 17:26:06,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:26:06,145 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553830571] [2019-12-07 17:26:06,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:26:06,150 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 17:26:06,150 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [142932738] [2019-12-07 17:26:06,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:26:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:26:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:26:06,200 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:26:06,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:26:06,202 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-12-07 17:26:06,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:26:06,202 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128678162] [2019-12-07 17:26:06,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:26:06,216 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-12-07 17:26:06,216 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [130187043] [2019-12-07 17:26:06,217 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:26:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:26:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:26:06,274 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:26:06,629 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 85 [2019-12-07 17:26:06,736 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-12-07 17:26:06,745 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:26:06,745 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:26:06,745 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:26:06,745 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:26:06,746 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:26:06,746 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:26:06,746 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:26:06,746 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:26:06,746 INFO L133 ssoRankerPreferences]: Filename of dumped script: ex1-alloca.i_Iteration1_Lasso [2019-12-07 17:26:06,746 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:26:06,746 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:26:06,764 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 17:26:06,768 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 17:26:06,770 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 17:26:06,771 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 17:26:06,773 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 17:26:06,778 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 17:26:06,779 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 17:26:06,781 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 17:26:07,034 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-12-07 17:26:07,122 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 17:26:07,124 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 17:26:07,126 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 17:26:07,128 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 17:26:07,130 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 17:26:07,131 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 17:26:07,133 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 17:26:07,467 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:26:07,470 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/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 17:26:07,474 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 17:26:07,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:26:07,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:26:07,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:26:07,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:26:07,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:26:07,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:26:07,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:26:07,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/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 17:26:07,484 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 17:26:07,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:26:07,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:26:07,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:26:07,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:26:07,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:26:07,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:26:07,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:26:07,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/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 17:26:07,492 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 17:26:07,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:26:07,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:26:07,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:26:07,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:26:07,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:26:07,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:26:07,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:26:07,495 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/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 17:26:07,499 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 17:26:07,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:26:07,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:26:07,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:26:07,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:26:07,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:26:07,501 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:26:07,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:26:07,503 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/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 17:26:07,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:26:07,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:26:07,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:26:07,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:26:07,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:26:07,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:26:07,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:26:07,514 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/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 17:26:07,519 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 17:26:07,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:26:07,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:26:07,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:26:07,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:26:07,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:26:07,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:26:07,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:26:07,522 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/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 17:26:07,526 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 17:26:07,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:26:07,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:26:07,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:26:07,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:26:07,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:26:07,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:26:07,533 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/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 17:26:07,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:26:07,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:26:07,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:26:07,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:26:07,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:26:07,544 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:26:07,544 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:26:07,552 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/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 17:26:07,562 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 17:26:07,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:26:07,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:26:07,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:26:07,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:26:07,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:26:07,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:26:07,569 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/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 17:26:07,574 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 17:26:07,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:26:07,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:26:07,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:26:07,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:26:07,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:26:07,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:26:07,603 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/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 17:26:07,608 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 17:26:07,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:26:07,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:26:07,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:26:07,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:26:07,615 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:26:07,615 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:26:07,622 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:26:07,634 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-12-07 17:26:07,634 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ecffbc6-0c41-4850-8788-de653725249e/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 17:26:07,639 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:26:07,641 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:26:07,641 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:26:07,642 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 Supporting invariants [] [2019-12-07 17:26:07,716 INFO L297 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2019-12-07 17:26:07,723 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 17:26:07,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:26:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:26:07,756 INFO L264 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 17:26:07,757 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:26:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:26:07,768 INFO L264 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 17:26:07,768 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:26:07,781 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 17:26:07,792 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:26:07,793 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 3 states. [2019-12-07 17:26:07,846 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 3 states. Result 17 states and 19 transitions. Complement of second has 8 states. [2019-12-07 17:26:07,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 17:26:07,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:26:07,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2019-12-07 17:26:07,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 2 letters. Loop has 2 letters. [2019-12-07 17:26:07,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:26:07,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 4 letters. Loop has 2 letters. [2019-12-07 17:26:07,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:26:07,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 2 letters. Loop has 4 letters. [2019-12-07 17:26:07,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:26:07,851 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2019-12-07 17:26:07,852 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:26:07,853 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2019-12-07 17:26:07,854 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:26:07,854 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:26:07,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:26:07,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:26:07,855 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:26:07,855 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:26:07,855 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:26:07,855 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:26:07,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:26:07,855 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:26:07,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:26:07,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:26:07 BoogieIcfgContainer [2019-12-07 17:26:07,859 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:26:07,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:26:07,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:26:07,860 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:26:07,860 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:26:05" (3/4) ... [2019-12-07 17:26:07,862 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:26:07,863 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:26:07,864 INFO L168 Benchmark]: Toolchain (without parser) took 2437.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 939.4 MB in the beginning and 929.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 107.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:26:07,864 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:26:07,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:26:07,865 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:26:07,865 INFO L168 Benchmark]: Boogie Preprocessor took 16.38 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:26:07,865 INFO L168 Benchmark]: RCFGBuilder took 184.90 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:26:07,866 INFO L168 Benchmark]: BuchiAutomizer took 1901.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 929.7 MB in the end (delta: 130.4 MB). Peak memory consumption was 130.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:26:07,866 INFO L168 Benchmark]: Witness Printer took 3.00 ms. Allocated memory is still 1.1 GB. Free memory is still 929.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:26:07,868 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 299.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.38 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 184.90 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1901.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 929.7 MB in the end (delta: 130.4 MB). Peak memory consumption was 130.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.00 ms. Allocated memory is still 1.1 GB. Free memory is still 929.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 10 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital314 mio100 ax105 hnf100 lsp91 ukn59 mio100 lsp39 div100 bol100 ite100 ukn100 eq195 hnf87 smp100 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...