./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_15ef35a0-6fed-415e-a660-b0d9ba307ada/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_15ef35a0-6fed-415e-a660-b0d9ba307ada/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_15ef35a0-6fed-415e-a660-b0d9ba307ada/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_15ef35a0-6fed-415e-a660-b0d9ba307ada/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_15ef35a0-6fed-415e-a660-b0d9ba307ada/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_15ef35a0-6fed-415e-a660-b0d9ba307ada/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9551eac17e9ca0a42612f73eb01545dde991582 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:11:11,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:11:11,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:11:11,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:11:11,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:11:11,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:11:11,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:11:11,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:11:11,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:11:11,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:11:11,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:11:11,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:11:11,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:11:11,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:11:11,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:11:11,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:11:11,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:11:11,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:11:11,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:11:11,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:11:11,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:11:11,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:11:11,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:11:11,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:11:11,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:11:11,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:11:11,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:11:11,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:11:11,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:11:11,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:11:11,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:11:11,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:11:11,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:11:11,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:11:11,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:11:11,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:11:11,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:11:11,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:11:11,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:11:11,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:11:11,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:11:11,621 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_15ef35a0-6fed-415e-a660-b0d9ba307ada/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 22:11:11,639 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:11:11,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:11:11,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:11:11,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:11:11,641 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:11:11,642 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 22:11:11,642 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 22:11:11,642 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 22:11:11,642 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 22:11:11,643 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 22:11:11,643 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 22:11:11,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:11:11,643 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:11:11,644 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:11:11,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:11:11,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:11:11,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:11:11,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 22:11:11,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 22:11:11,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 22:11:11,645 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:11:11,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:11:11,646 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 22:11:11,646 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:11:11,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 22:11:11,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:11:11,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:11:11,647 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 22:11:11,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:11:11,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:11:11,648 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 22:11:11,649 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 22:11:11,649 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_15ef35a0-6fed-415e-a660-b0d9ba307ada/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9551eac17e9ca0a42612f73eb01545dde991582 [2019-11-15 22:11:11,681 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:11:11,696 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:11:11,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:11:11,701 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:11:11,701 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:11:11,702 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_15ef35a0-6fed-415e-a660-b0d9ba307ada/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i [2019-11-15 22:11:11,768 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_15ef35a0-6fed-415e-a660-b0d9ba307ada/bin/uautomizer/data/8838cabcf/d722e8144a0346fb99f9677dc82f2733/FLAGd7ac399c5 [2019-11-15 22:11:12,297 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:11:12,298 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_15ef35a0-6fed-415e-a660-b0d9ba307ada/sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i [2019-11-15 22:11:12,316 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_15ef35a0-6fed-415e-a660-b0d9ba307ada/bin/uautomizer/data/8838cabcf/d722e8144a0346fb99f9677dc82f2733/FLAGd7ac399c5 [2019-11-15 22:11:12,642 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_15ef35a0-6fed-415e-a660-b0d9ba307ada/bin/uautomizer/data/8838cabcf/d722e8144a0346fb99f9677dc82f2733 [2019-11-15 22:11:12,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:11:12,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:11:12,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:11:12,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:11:12,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:11:12,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:11:12" (1/1) ... [2019-11-15 22:11:12,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b85dbe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:12, skipping insertion in model container [2019-11-15 22:11:12,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:11:12" (1/1) ... [2019-11-15 22:11:12,665 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:11:12,717 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:11:13,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:11:13,226 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:11:13,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:11:13,335 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:11:13,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:13 WrapperNode [2019-11-15 22:11:13,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:11:13,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:11:13,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:11:13,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:11:13,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:13" (1/1) ... [2019-11-15 22:11:13,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:13" (1/1) ... [2019-11-15 22:11:13,394 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:11:13,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:11:13,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:11:13,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:11:13,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:13" (1/1) ... [2019-11-15 22:11:13,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:13" (1/1) ... [2019-11-15 22:11:13,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:13" (1/1) ... [2019-11-15 22:11:13,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:13" (1/1) ... [2019-11-15 22:11:13,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:13" (1/1) ... [2019-11-15 22:11:13,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:13" (1/1) ... [2019-11-15 22:11:13,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:13" (1/1) ... [2019-11-15 22:11:13,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:11:13,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:11:13,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:11:13,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:11:13,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_15ef35a0-6fed-415e-a660-b0d9ba307ada/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 [2019-11-15 22:11:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 22:11:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:11:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:11:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:11:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:11:13,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:11:13,848 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:11:13,849 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 22:11:13,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:11:13 BoogieIcfgContainer [2019-11-15 22:11:13,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:11:13,851 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 22:11:13,851 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 22:11:13,855 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 22:11:13,856 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:11:13,856 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 10:11:12" (1/3) ... [2019-11-15 22:11:13,858 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d07afce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:11:13, skipping insertion in model container [2019-11-15 22:11:13,858 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:11:13,858 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:13" (2/3) ... [2019-11-15 22:11:13,859 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d07afce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:11:13, skipping insertion in model container [2019-11-15 22:11:13,859 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:11:13,859 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:11:13" (3/3) ... [2019-11-15 22:11:13,861 INFO L371 chiAutomizerObserver]: Analyzing ICFG mult_array-alloca-1.i [2019-11-15 22:11:13,914 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 22:11:13,915 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 22:11:13,915 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 22:11:13,915 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:11:13,915 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:11:13,916 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 22:11:13,916 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:11:13,916 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 22:11:13,939 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-15 22:11:13,972 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-15 22:11:13,972 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:11:13,972 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:11:13,980 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:11:13,980 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-15 22:11:13,981 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 22:11:13,981 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-15 22:11:13,985 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-15 22:11:13,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:11:13,985 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:11:13,986 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:11:13,986 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-15 22:11:13,996 INFO L791 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 7#L-1true havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_#t~mem9, main_#t~post8, main_~i~0, main_~j~0, main_~length~0, main_~fac~0, main_~arr~0.base, main_~arr~0.offset, main_~arr2~0.base, main_~arr2~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 3#L515true assume !(main_~length~0 < 1 || main_~length~0 >= 536870911); 5#L515-2true main_~fac~0 := main_#t~nondet3;havoc main_#t~nondet3; 16#L517true assume !(main_~fac~0 < 1 || main_~fac~0 >= 2147483647 / (4 * main_~length~0)); 4#L517-2true call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * (main_~fac~0 * main_~length~0));main_~arr2~0.base, main_~arr2~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset; 10#L520true assume !((main_~arr~0.base == 0 && main_~arr~0.offset == 0) || (main_~arr2~0.base == 0 && main_~arr2~0.offset == 0));main_~i~0 := 0; 14#L521-3true [2019-11-15 22:11:13,997 INFO L793 eck$LassoCheckResult]: Loop: 14#L521-3true assume !!(main_~i~0 < main_~length~0);call write~int(main_#t~nondet7, main_~arr~0.base, main_~arr~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet7; 12#L521-2true main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 14#L521-3true [2019-11-15 22:11:14,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:11:14,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815374, now seen corresponding path program 1 times [2019-11-15 22:11:14,014 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:11:14,014 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653235254] [2019-11-15 22:11:14,016 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:14,016 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:14,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:11:14,139 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-15 22:11:14,139 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [951387408] [2019-11-15 22:11:14,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_15ef35a0-6fed-415e-a660-b0d9ba307ada/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 [2019-11-15 22:11:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:11:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:11:14,297 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:11:14,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:11:14,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 1 times [2019-11-15 22:11:14,299 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:11:14,299 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202578211] [2019-11-15 22:11:14,299 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:14,300 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:14,300 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:11:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:11:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:11:14,363 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:11:14,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:11:14,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1182787760, now seen corresponding path program 1 times [2019-11-15 22:11:14,365 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:11:14,365 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878230490] [2019-11-15 22:11:14,365 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:14,365 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:14,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:11:14,377 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-15 22:11:14,378 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [310566957] [2019-11-15 22:11:14,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_15ef35a0-6fed-415e-a660-b0d9ba307ada/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 [2019-11-15 22:11:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:11:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:11:14,492 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:11:16,077 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2019-11-15 22:11:16,329 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-11-15 22:11:16,345 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:11:16,347 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:11:16,347 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:11:16,347 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:11:16,348 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 22:11:16,348 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:11:16,348 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:11:16,348 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:11:16,348 INFO L131 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca-1.i_Iteration1_Lasso [2019-11-15 22:11:16,349 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:11:16,349 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:11:16,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:16,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:16,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:16,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:16,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:16,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:16,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:16,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:16,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:16,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:16,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:16,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:16,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:16,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:17,142 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-11-15 22:11:17,403 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2019-11-15 22:11:17,904 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 25 [2019-11-15 22:11:17,931 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:11:17,937 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 22:11:17,939 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 [2019-11-15 22:11:17,942 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:17,943 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:17,948 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:17,949 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:17,949 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:17,951 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:17,952 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:17,957 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:17,958 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 [2019-11-15 22:11:17,960 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:17,961 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:17,962 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:17,962 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:17,962 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:17,964 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:17,964 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:17,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:17,966 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 [2019-11-15 22:11:17,968 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:17,968 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:17,978 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:17,979 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:17,979 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:17,980 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:17,981 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:17,986 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:17,989 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 [2019-11-15 22:11:17,990 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:17,997 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:17,998 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:17,998 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:17,999 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:17,999 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:18,000 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:18,001 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:18,002 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 [2019-11-15 22:11:18,003 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:18,004 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:18,005 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:18,005 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:18,009 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:11:18,010 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:11:18,017 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:18,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 22:11:18,023 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:18,023 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:18,023 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:18,023 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:18,032 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:11:18,033 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:11:18,053 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:18,053 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 [2019-11-15 22:11:18,054 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:18,055 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:18,055 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:18,055 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:18,057 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:11:18,071 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:11:18,077 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:18,077 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 [2019-11-15 22:11:18,078 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:18,079 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:18,079 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:18,079 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:18,079 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:18,080 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:18,080 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:18,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:18,082 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 [2019-11-15 22:11:18,083 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:18,088 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:18,089 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:18,089 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:18,091 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:11:18,092 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:11:18,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:18,109 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 [2019-11-15 22:11:18,111 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:18,111 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:18,111 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:18,111 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:18,112 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:18,112 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:18,113 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:18,114 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:18,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 22:11:18,117 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:18,118 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:18,118 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:18,120 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:18,122 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:11:18,123 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:11:18,128 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:18,133 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 [2019-11-15 22:11:18,135 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:18,135 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:18,135 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:18,136 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:18,136 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:18,136 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:18,137 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:18,138 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:18,139 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 [2019-11-15 22:11:18,141 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:18,142 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:18,142 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:18,142 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:18,146 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:11:18,146 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:11:18,156 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:18,157 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 [2019-11-15 22:11:18,158 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:18,158 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:18,158 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:18,158 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:18,159 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:18,159 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:18,160 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:18,161 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:18,162 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 [2019-11-15 22:11:18,163 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:18,163 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:18,163 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:18,164 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:18,169 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:11:18,169 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:11:18,258 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 22:11:18,356 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-15 22:11:18,357 INFO L444 ModelExtractionUtils]: 21 out of 28 variables were initially zero. Simplification set additionally 4 variables to zero. [2019-11-15 22:11:18,365 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 22:11:18,367 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-15 22:11:18,368 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 22:11:18,369 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~length~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~length~0 Supporting invariants [] [2019-11-15 22:11:18,403 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-15 22:11:18,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:11:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:11:18,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 22:11:18,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:11:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:11:18,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 22:11:18,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:11:18,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:11:18,535 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 [2019-11-15 22:11:18,536 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2019-11-15 22:11:18,610 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 35 states and 46 transitions. Complement of second has 7 states. [2019-11-15 22:11:18,611 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 [2019-11-15 22:11:18,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-15 22:11:18,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2019-11-15 22:11:18,616 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-15 22:11:18,617 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:11:18,617 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-15 22:11:18,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:11:18,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 4 letters. [2019-11-15 22:11:18,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:11:18,619 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 46 transitions. [2019-11-15 22:11:18,623 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-15 22:11:18,628 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 13 states and 17 transitions. [2019-11-15 22:11:18,629 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-15 22:11:18,630 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-15 22:11:18,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2019-11-15 22:11:18,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 22:11:18,631 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-15 22:11:18,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2019-11-15 22:11:18,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-15 22:11:18,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-15 22:11:18,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2019-11-15 22:11:18,658 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-15 22:11:18,658 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-15 22:11:18,659 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 22:11:18,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2019-11-15 22:11:18,659 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-15 22:11:18,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:11:18,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:11:18,660 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:11:18,661 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-15 22:11:18,661 INFO L791 eck$LassoCheckResult]: Stem: 133#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 129#L-1 havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_#t~mem9, main_#t~post8, main_~i~0, main_~j~0, main_~length~0, main_~fac~0, main_~arr~0.base, main_~arr~0.offset, main_~arr2~0.base, main_~arr2~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 130#L515 assume !(main_~length~0 < 1 || main_~length~0 >= 536870911); 134#L515-2 main_~fac~0 := main_#t~nondet3;havoc main_#t~nondet3; 140#L517 assume !(main_~fac~0 < 1 || main_~fac~0 >= 2147483647 / (4 * main_~length~0)); 135#L517-2 call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * (main_~fac~0 * main_~length~0));main_~arr2~0.base, main_~arr2~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset; 136#L520 assume !((main_~arr~0.base == 0 && main_~arr~0.offset == 0) || (main_~arr2~0.base == 0 && main_~arr2~0.offset == 0));main_~i~0 := 0; 137#L521-3 assume !(main_~i~0 < main_~length~0); 141#L521-4 main_~j~0 := 0; 131#L524-3 [2019-11-15 22:11:18,661 INFO L793 eck$LassoCheckResult]: Loop: 131#L524-3 assume !!(main_~j~0 < main_~length~0 * main_~fac~0);call main_#t~mem9 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * (if main_~i~0 < 0 && 0 != main_~i~0 % main_~length~0 then (if main_~length~0 < 0 then main_~i~0 % main_~length~0 + main_~length~0 else main_~i~0 % main_~length~0 - main_~length~0) else main_~i~0 % main_~length~0), 4);call write~int(main_#t~mem9, main_~arr2~0.base, main_~arr2~0.offset + 4 * main_~j~0, 4);havoc main_#t~mem9; 132#L524-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 131#L524-3 [2019-11-15 22:11:18,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:11:18,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1182787702, now seen corresponding path program 1 times [2019-11-15 22:11:18,662 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:11:18,662 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689174938] [2019-11-15 22:11:18,662 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:18,662 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:18,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:11:18,668 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-15 22:11:18,669 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [163225901] [2019-11-15 22:11:18,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_15ef35a0-6fed-415e-a660-b0d9ba307ada/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:11:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:11:18,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-15 22:11:18,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:11:18,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:11:18,803 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689174938] [2019-11-15 22:11:18,804 INFO L337 tionRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-15 22:11:18,804 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163225901] [2019-11-15 22:11:18,805 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:11:18,805 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 22:11:18,806 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151879288] [2019-11-15 22:11:18,808 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-11-15 22:11:18,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:11:18,809 INFO L82 PathProgramCache]: Analyzing trace with hash 2339, now seen corresponding path program 1 times [2019-11-15 22:11:18,810 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:11:18,810 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816919277] [2019-11-15 22:11:18,810 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:18,810 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:18,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:11:18,823 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-15 22:11:18,823 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1346140148] [2019-11-15 22:11:18,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_15ef35a0-6fed-415e-a660-b0d9ba307ada/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:11:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:11:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:11:18,894 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:11:19,017 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:11:19,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:11:19,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:11:19,022 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. cyclomatic complexity: 6 Second operand 4 states. [2019-11-15 22:11:19,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:11:19,079 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2019-11-15 22:11:19,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:11:19,081 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2019-11-15 22:11:19,082 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-15 22:11:19,082 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 17 transitions. [2019-11-15 22:11:19,083 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-15 22:11:19,083 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-15 22:11:19,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2019-11-15 22:11:19,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 22:11:19,083 INFO L688 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2019-11-15 22:11:19,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2019-11-15 22:11:19,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2019-11-15 22:11:19,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-15 22:11:19,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-11-15 22:11:19,086 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-15 22:11:19,086 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-15 22:11:19,086 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-15 22:11:19,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2019-11-15 22:11:19,087 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-15 22:11:19,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:11:19,087 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:11:19,087 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:11:19,088 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-15 22:11:19,088 INFO L791 eck$LassoCheckResult]: Stem: 191#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 187#L-1 havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_#t~mem9, main_#t~post8, main_~i~0, main_~j~0, main_~length~0, main_~fac~0, main_~arr~0.base, main_~arr~0.offset, main_~arr2~0.base, main_~arr2~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet2;havoc main_#t~nondet2; 188#L515 assume !(main_~length~0 < 1 || main_~length~0 >= 536870911); 192#L515-2 main_~fac~0 := main_#t~nondet3;havoc main_#t~nondet3; 198#L517 assume !(main_~fac~0 < 1 || main_~fac~0 >= 2147483647 / (4 * main_~length~0)); 193#L517-2 call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * (main_~fac~0 * main_~length~0));main_~arr2~0.base, main_~arr2~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset; 194#L520 assume !((main_~arr~0.base == 0 && main_~arr~0.offset == 0) || (main_~arr2~0.base == 0 && main_~arr2~0.offset == 0));main_~i~0 := 0; 195#L521-3 assume !!(main_~i~0 < main_~length~0);call write~int(main_#t~nondet7, main_~arr~0.base, main_~arr~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet7; 196#L521-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 197#L521-3 assume !(main_~i~0 < main_~length~0); 199#L521-4 main_~j~0 := 0; 189#L524-3 [2019-11-15 22:11:19,091 INFO L793 eck$LassoCheckResult]: Loop: 189#L524-3 assume !!(main_~j~0 < main_~length~0 * main_~fac~0);call main_#t~mem9 := read~int(main_~arr~0.base, main_~arr~0.offset + 4 * (if main_~i~0 < 0 && 0 != main_~i~0 % main_~length~0 then (if main_~length~0 < 0 then main_~i~0 % main_~length~0 + main_~length~0 else main_~i~0 % main_~length~0 - main_~length~0) else main_~i~0 % main_~length~0), 4);call write~int(main_#t~mem9, main_~arr2~0.base, main_~arr2~0.offset + 4 * main_~j~0, 4);havoc main_#t~mem9; 190#L524-2 main_#t~post8 := main_~j~0;main_~j~0 := 1 + main_#t~post8;havoc main_#t~post8; 189#L524-3 [2019-11-15 22:11:19,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:11:19,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1507295208, now seen corresponding path program 1 times [2019-11-15 22:11:19,092 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:11:19,092 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034225120] [2019-11-15 22:11:19,093 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:19,093 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:19,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:11:19,101 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-15 22:11:19,102 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [971252381] [2019-11-15 22:11:19,102 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_15ef35a0-6fed-415e-a660-b0d9ba307ada/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:11:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:11:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:11:29,949 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:11:29,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:11:29,949 INFO L82 PathProgramCache]: Analyzing trace with hash 2339, now seen corresponding path program 2 times [2019-11-15 22:11:29,949 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:11:29,949 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537399497] [2019-11-15 22:11:29,950 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:29,950 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:29,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:11:29,953 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-15 22:11:29,953 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1072162151] [2019-11-15 22:11:29,954 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_15ef35a0-6fed-415e-a660-b0d9ba307ada/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:11:30,014 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-15 22:11:30,014 INFO L250 tOrderPrioritization]: Conjunction of SSA is sat [2019-11-15 22:11:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:11:30,023 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:11:30,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:11:30,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1106714758, now seen corresponding path program 1 times [2019-11-15 22:11:30,024 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:11:30,024 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965048242] [2019-11-15 22:11:30,025 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:30,025 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:30,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:11:30,030 ERROR L273 tionRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-15 22:11:30,030 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1676964599] [2019-11-15 22:11:30,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_15ef35a0-6fed-415e-a660-b0d9ba307ada/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:11:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:11:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:11:30,121 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:11:30,698 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 81 [2019-11-15 22:14:06,997 WARN L191 SmtUtils]: Spent 2.60 m on a formula simplification that was a NOOP. DAG size: 73 [2019-11-15 22:14:07,000 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:14:07,000 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:14:07,000 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:14:07,000 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:14:07,000 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 22:14:07,001 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:14:07,001 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:14:07,001 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:14:07,001 INFO L131 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca-1.i_Iteration3_Lasso [2019-11-15 22:14:07,001 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:14:07,001 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:14:07,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:14:07,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:14:07,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:14:07,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:14:07,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:14:07,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:14:07,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:14:07,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:14:07,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:14:07,534 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 63 [2019-11-15 22:14:07,700 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-11-15 22:14:07,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:14:07,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:14:07,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:14:07,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:14:07,974 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2019-11-15 22:14:08,368 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 53 [2019-11-15 22:14:08,704 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-11-15 22:14:08,849 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 25 [2019-11-15 22:14:08,921 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:14:08,921 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 22:14:08,921 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 [2019-11-15 22:14:08,922 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:14:08,923 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:14:08,923 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:14:08,923 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:14:08,923 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:14:08,924 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:14:08,924 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:14:08,925 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:14:08,925 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 [2019-11-15 22:14:08,926 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:14:08,926 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:14:08,927 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:14:08,927 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:14:08,927 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:14:08,927 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:14:08,928 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:14:08,929 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:14:08,929 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 [2019-11-15 22:14:08,930 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:14:08,930 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:14:08,930 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:14:08,930 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:14:08,930 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:14:08,931 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:14:08,931 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:14:08,931 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:14:08,932 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 [2019-11-15 22:14:08,932 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:14:08,932 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:14:08,933 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:14:08,933 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:14:08,933 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:14:08,933 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:14:08,933 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:14:08,934 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:14:08,934 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 [2019-11-15 22:14:08,935 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:14:08,935 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:14:08,935 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:14:08,935 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:14:08,935 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:14:08,936 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:14:08,936 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:14:08,936 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:14:08,936 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 [2019-11-15 22:14:08,937 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:14:08,937 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:14:08,937 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:14:08,937 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:14:08,938 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:14:08,938 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:14:08,941 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:14:08,942 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 [2019-11-15 22:14:08,942 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:14:08,942 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:14:08,943 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:14:08,943 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:14:08,943 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:14:08,943 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:14:08,944 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:14:08,945 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:14:08,945 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 [2019-11-15 22:14:08,946 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:14:08,946 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:14:08,946 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:14:08,946 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:14:08,948 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:14:08,948 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:14:08,950 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:14:08,951 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 [2019-11-15 22:14:08,951 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:14:08,952 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:14:08,952 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:14:08,952 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:14:08,953 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:14:08,954 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:14:08,964 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:14:08,965 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 [2019-11-15 22:14:08,966 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:14:08,966 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:14:08,966 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:14:08,967 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:14:08,967 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:14:08,967 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:14:08,967 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:14:08,968 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:14:08,969 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 [2019-11-15 22:14:08,970 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:14:08,970 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:14:08,970 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-15 22:14:08,971 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:14:08,986 INFO L400 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-15 22:14:08,986 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 22:14:09,408 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 22:14:09,713 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-15 22:14:09,713 INFO L444 ModelExtractionUtils]: 53 out of 66 variables were initially zero. Simplification set additionally 9 variables to zero. [2019-11-15 22:14:09,714 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 22:14:09,716 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2019-11-15 22:14:09,716 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 22:14:09,717 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0, v_rep(select #length ULTIMATE.start_main_~arr2~0.base)_1, ULTIMATE.start_main_~arr2~0.offset) = -4*ULTIMATE.start_main_~j~0 + 1*v_rep(select #length ULTIMATE.start_main_~arr2~0.base)_1 - 1*ULTIMATE.start_main_~arr2~0.offset Supporting invariants [] [2019-11-15 22:14:09,764 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-11-15 22:14:09,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-15 22:14:09,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:14:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:14:09,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 22:14:09,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:14:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:14:09,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 22:14:09,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:14:09,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:14:09,839 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 [2019-11-15 22:14:09,839 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-15 22:14:09,855 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 15 states and 19 transitions. Complement of second has 4 states. [2019-11-15 22:14:09,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-15 22:14:09,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-15 22:14:09,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2019-11-15 22:14:09,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-15 22:14:09,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:14:09,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 13 letters. Loop has 2 letters. [2019-11-15 22:14:09,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:14:09,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 4 letters. [2019-11-15 22:14:09,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:14:09,858 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2019-11-15 22:14:09,859 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 22:14:09,859 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-11-15 22:14:09,859 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 22:14:09,859 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 22:14:09,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 22:14:09,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 22:14:09,860 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:14:09,860 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:14:09,860 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:14:09,860 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-15 22:14:09,860 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-15 22:14:09,860 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 22:14:09,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-15 22:14:09,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 10:14:09 BoogieIcfgContainer [2019-11-15 22:14:09,868 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 22:14:09,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:14:09,869 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:14:09,869 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:14:09,870 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:11:13" (3/4) ... [2019-11-15 22:14:09,873 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 22:14:09,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:14:09,875 INFO L168 Benchmark]: Toolchain (without parser) took 177229.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.9 MB). Free memory was 938.0 MB in the beginning and 1.2 GB in the end (delta: -219.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:14:09,876 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:14:09,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -190.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:14:09,878 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:14:09,878 INFO L168 Benchmark]: Boogie Preprocessor took 30.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:14:09,879 INFO L168 Benchmark]: RCFGBuilder took 425.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:14:09,880 INFO L168 Benchmark]: BuchiAutomizer took 176017.18 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 36.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -51.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:14:09,881 INFO L168 Benchmark]: Witness Printer took 5.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:14:09,885 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 690.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -190.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 425.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 176017.18 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 36.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -51.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 5.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + length and consists of 5 locations. One deterministic module has affine ranking function -4 * j + unknown-#length-unknown[arr2] + -1 * arr2 and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 175.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 175.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 13 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 38 SDtfs, 41 SDslu, 15 SDs, 0 SdLazy, 33 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital221 mio100 ax109 hnf98 lsp86 ukn86 mio100 lsp67 div149 bol100 ite187 ukn100 eq136 hnf92 smp50 dnf120 smp97 tf100 neg98 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 747ms VariablesStem: 13 VariablesLoop: 11 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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...