./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11D.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11D.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 570a3560ecb7b29b974852ea58d8cc903e7c487d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:48:29,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:48:29,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:48:29,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:48:29,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:48:29,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:48:29,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:48:29,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:48:29,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:48:29,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:48:29,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:48:29,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:48:29,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:48:29,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:48:29,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:48:29,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:48:29,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:48:29,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:48:29,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:48:29,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:48:29,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:48:29,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:48:29,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:48:29,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:48:29,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:48:29,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:48:29,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:48:29,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:48:29,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:48:29,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:48:29,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:48:29,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:48:29,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:48:29,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:48:29,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:48:29,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:48:29,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:48:29,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:48:29,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:48:29,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:48:29,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:48:29,612 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-25 08:48:29,638 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:48:29,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:48:29,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:48:29,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:48:29,649 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:48:29,649 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:48:29,649 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:48:29,649 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:48:29,650 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:48:29,650 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:48:29,650 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:48:29,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:48:29,650 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:48:29,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:48:29,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:48:29,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:48:29,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:48:29,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:48:29,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:48:29,651 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:48:29,652 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:48:29,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:48:29,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:48:29,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:48:29,652 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:48:29,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:48:29,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:48:29,653 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:48:29,654 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:48:29,654 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_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 570a3560ecb7b29b974852ea58d8cc903e7c487d [2019-11-25 08:48:29,821 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:48:29,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:48:29,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:48:29,839 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:48:29,840 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:48:29,841 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11D.i [2019-11-25 08:48:29,898 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/data/6008b8d8b/5269134c2443429b85ff38009ec0117f/FLAGd4aa151c4 [2019-11-25 08:48:30,291 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:48:30,292 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11D.i [2019-11-25 08:48:30,296 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/data/6008b8d8b/5269134c2443429b85ff38009ec0117f/FLAGd4aa151c4 [2019-11-25 08:48:30,308 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/data/6008b8d8b/5269134c2443429b85ff38009ec0117f [2019-11-25 08:48:30,310 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:48:30,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:48:30,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:48:30,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:48:30,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:48:30,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:30,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c0fb34f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30, skipping insertion in model container [2019-11-25 08:48:30,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:30,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:48:30,339 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:48:30,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:48:30,588 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:48:30,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:48:30,626 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:48:30,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30 WrapperNode [2019-11-25 08:48:30,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:48:30,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:48:30,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:48:30,628 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:48:30,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:30,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:30,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:48:30,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:48:30,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:48:30,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:48:30,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:30,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:30,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:30,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:30,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:30,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:30,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:30,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:48:30,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:48:30,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:48:30,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:48:30,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/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 [2019-11-25 08:48:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:48:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2019-11-25 08:48:30,760 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2019-11-25 08:48:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 08:48:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:48:30,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:48:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:48:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:48:31,019 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:48:31,020 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-25 08:48:31,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:31 BoogieIcfgContainer [2019-11-25 08:48:31,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:48:31,023 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:48:31,023 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:48:31,026 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:48:31,027 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:48:31,027 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:48:30" (1/3) ... [2019-11-25 08:48:31,028 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52bd096b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:48:31, skipping insertion in model container [2019-11-25 08:48:31,028 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:48:31,028 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30" (2/3) ... [2019-11-25 08:48:31,029 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52bd096b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:48:31, skipping insertion in model container [2019-11-25 08:48:31,029 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:48:31,029 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:31" (3/3) ... [2019-11-25 08:48:31,043 INFO L371 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex11D.i [2019-11-25 08:48:31,143 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:48:31,143 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:48:31,143 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:48:31,144 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:48:31,144 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:48:31,144 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:48:31,144 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:48:31,145 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:48:31,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-25 08:48:31,190 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-25 08:48:31,190 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:48:31,190 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:48:31,199 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-25 08:48:31,199 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:31,199 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:48:31,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-25 08:48:31,203 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-25 08:48:31,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:48:31,204 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:48:31,204 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-25 08:48:31,204 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:31,212 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem11, main_#t~mem14, main_#t~ret12, main_#t~ite13, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 7#L30-3true [2019-11-25 08:48:31,213 INFO L796 eck$LassoCheckResult]: Loop: 7#L30-3true call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 10#L30-1true assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 17#L34true assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 8#L38true call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 6#recENTRYtrue ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 13#L9true assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;#res := ~r~0; 18#recFINALtrue assume true; 15#recEXITtrue >#44#return; 5#L38-1true assume -1 == main_#t~ret12;main_#t~ite13 := -1; 20#L38-3true call write~int(main_#t~mem14 + main_#t~ite13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~ite13;havoc main_#t~ret12;havoc main_#t~mem14; 7#L30-3true [2019-11-25 08:48:31,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:31,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2019-11-25 08:48:31,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:31,230 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464162425] [2019-11-25 08:48:31,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:31,358 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:31,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:31,359 INFO L82 PathProgramCache]: Analyzing trace with hash -2107477180, now seen corresponding path program 1 times [2019-11-25 08:48:31,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:31,359 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518212509] [2019-11-25 08:48:31,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:31,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:31,584 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518212509] [2019-11-25 08:48:31,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:48:31,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:48:31,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44371881] [2019-11-25 08:48:31,590 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:48:31,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:48:31,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:48:31,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:48:31,608 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 7 states. [2019-11-25 08:48:31,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:31,776 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2019-11-25 08:48:31,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:48:31,778 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2019-11-25 08:48:31,781 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-25 08:48:31,787 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 16 states and 19 transitions. [2019-11-25 08:48:31,788 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-25 08:48:31,788 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-25 08:48:31,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2019-11-25 08:48:31,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:48:31,791 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-11-25 08:48:31,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2019-11-25 08:48:31,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-25 08:48:31,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-25 08:48:31,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2019-11-25 08:48:31,819 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-11-25 08:48:31,819 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-11-25 08:48:31,819 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:48:31,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2019-11-25 08:48:31,821 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-25 08:48:31,821 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:48:31,821 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:48:31,822 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-25 08:48:31,822 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:31,822 INFO L794 eck$LassoCheckResult]: Stem: 72#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 70#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem11, main_#t~mem14, main_#t~ret12, main_#t~ite13, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 65#L30-3 [2019-11-25 08:48:31,822 INFO L796 eck$LassoCheckResult]: Loop: 65#L30-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 66#L30-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 67#L34 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 61#L38 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 59#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 62#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4; 60#L17 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 59#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 62#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;#res := ~r~0; 71#recFINAL assume true; 73#recEXIT >#42#return; 68#L17-1 ~res~0 := #t~ret5;havoc #t~ret5;call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset);#res := ~res~0; 69#recFINAL assume true; 74#recEXIT >#44#return; 63#L38-1 assume -1 == main_#t~ret12;main_#t~ite13 := -1; 64#L38-3 call write~int(main_#t~mem14 + main_#t~ite13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~ite13;havoc main_#t~ret12;havoc main_#t~mem14; 65#L30-3 [2019-11-25 08:48:31,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:31,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 2 times [2019-11-25 08:48:31,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:31,823 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032205239] [2019-11-25 08:48:31,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:31,872 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:31,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:31,873 INFO L82 PathProgramCache]: Analyzing trace with hash 290320444, now seen corresponding path program 1 times [2019-11-25 08:48:31,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:31,873 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871807755] [2019-11-25 08:48:31,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:32,012 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:32,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:32,013 INFO L82 PathProgramCache]: Analyzing trace with hash -645910274, now seen corresponding path program 1 times [2019-11-25 08:48:32,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:32,013 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636737779] [2019-11-25 08:48:32,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:32,107 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:32,640 WARN L192 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-11-25 08:48:32,908 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-11-25 08:48:33,033 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-11-25 08:48:33,615 WARN L192 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 124 [2019-11-25 08:48:33,738 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-11-25 08:48:33,857 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:48:33,857 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:48:33,857 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:48:33,858 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:48:33,858 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:48:33,858 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:33,859 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:48:33,859 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:48:33,859 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11D.i_Iteration2_Lasso [2019-11-25 08:48:33,860 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:48:33,867 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:48:33,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:33,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:33,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:33,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:33,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:33,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:33,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:33,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:34,162 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-11-25 08:48:34,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:34,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:34,533 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2019-11-25 08:48:34,608 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:48:34,613 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:34,621 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 [2019-11-25 08:48:34,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:34,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:34,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:34,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:34,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:34,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:34,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:34,628 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:34,638 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 [2019-11-25 08:48:34,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:34,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:34,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:34,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:34,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:34,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:34,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:34,644 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:34,649 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 [2019-11-25 08:48:34,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:34,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:34,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:34,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:34,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:34,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:34,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:34,654 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:34,674 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 [2019-11-25 08:48:34,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:34,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:34,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:34,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:34,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:34,679 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:34,683 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:34,694 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 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:34,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:34,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:34,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:34,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:34,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:34,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:34,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:34,699 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:34,706 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 [2019-11-25 08:48:34,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:34,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:34,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:34,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:34,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:34,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:48:34,715 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:34,726 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 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:34,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:34,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:34,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:34,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:34,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:34,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:34,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:34,731 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:34,747 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 [2019-11-25 08:48:34,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:34,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:34,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:34,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:34,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:34,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:48:34,765 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:34,776 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 [2019-11-25 08:48:34,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:34,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:34,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:34,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:34,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:34,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:34,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:34,780 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:34,790 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 [2019-11-25 08:48:34,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:34,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:34,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:34,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:34,796 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:34,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:48:34,803 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:48:34,819 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-25 08:48:34,819 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:34,827 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:48:34,838 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:48:34,839 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:48:34,839 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0.base) ULTIMATE.start_main_~qq~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0.base) ULTIMATE.start_main_~qq~0.offset)_1 Supporting invariants [] [2019-11-25 08:48:34,894 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-11-25 08:48:34,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-25 08:48:34,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:34,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:48:34,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:48:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:35,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-25 08:48:35,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:48:35,091 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:48:35,091 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-11-25 08:48:35,092 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:48:35,105 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:48:35,112 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2019-11-25 08:48:35,113 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 08:48:35,121 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:48:35,122 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:48:35,122 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:36, output treesize:15 [2019-11-25 08:48:35,138 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2019-11-25 08:48:35,139 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:48:35,143 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:48:35,144 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:48:35,144 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:7 [2019-11-25 08:48:35,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-25 08:48:35,191 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2019-11-25 08:48:35,192 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand 7 states. [2019-11-25 08:48:35,358 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand 7 states. Result 62 states and 73 transitions. Complement of second has 17 states. [2019-11-25 08:48:35,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2019-11-25 08:48:35,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-25 08:48:35,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 17 transitions. [2019-11-25 08:48:35,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 2 letters. Loop has 16 letters. [2019-11-25 08:48:35,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:48:35,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 18 letters. Loop has 16 letters. [2019-11-25 08:48:35,366 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:48:35,366 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 2 letters. Loop has 32 letters. [2019-11-25 08:48:35,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:48:35,368 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 73 transitions. [2019-11-25 08:48:35,376 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2019-11-25 08:48:35,383 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 56 states and 67 transitions. [2019-11-25 08:48:35,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2019-11-25 08:48:35,387 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2019-11-25 08:48:35,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 67 transitions. [2019-11-25 08:48:35,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:48:35,387 INFO L688 BuchiCegarLoop]: Abstraction has 56 states and 67 transitions. [2019-11-25 08:48:35,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 67 transitions. [2019-11-25 08:48:35,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 51. [2019-11-25 08:48:35,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-25 08:48:35,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2019-11-25 08:48:35,399 INFO L711 BuchiCegarLoop]: Abstraction has 51 states and 60 transitions. [2019-11-25 08:48:35,399 INFO L591 BuchiCegarLoop]: Abstraction has 51 states and 60 transitions. [2019-11-25 08:48:35,399 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:48:35,399 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 60 transitions. [2019-11-25 08:48:35,403 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2019-11-25 08:48:35,404 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:48:35,404 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:48:35,404 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:35,405 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:48:35,405 INFO L794 eck$LassoCheckResult]: Stem: 275#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 273#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem11, main_#t~mem14, main_#t~ret12, main_#t~ite13, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 274#L30-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 262#L30-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 280#L34 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 263#L38 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 264#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 296#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4; 248#L17 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 246#recENTRY [2019-11-25 08:48:35,405 INFO L796 eck$LassoCheckResult]: Loop: 246#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 249#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4; 247#L17 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 246#recENTRY [2019-11-25 08:48:35,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:35,405 INFO L82 PathProgramCache]: Analyzing trace with hash -498407605, now seen corresponding path program 1 times [2019-11-25 08:48:35,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:35,406 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146470215] [2019-11-25 08:48:35,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:35,453 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:35,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:35,453 INFO L82 PathProgramCache]: Analyzing trace with hash 29956, now seen corresponding path program 1 times [2019-11-25 08:48:35,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:35,454 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275032718] [2019-11-25 08:48:35,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:35,469 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:35,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:35,469 INFO L82 PathProgramCache]: Analyzing trace with hash -359018118, now seen corresponding path program 2 times [2019-11-25 08:48:35,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:35,470 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102039037] [2019-11-25 08:48:35,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:35,518 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:35,678 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-11-25 08:48:36,038 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-11-25 08:48:36,529 WARN L192 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2019-11-25 08:48:36,640 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-11-25 08:48:37,087 WARN L192 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2019-11-25 08:48:37,195 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-11-25 08:48:37,197 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:48:37,197 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:48:37,197 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:48:37,197 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:48:37,197 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:48:37,197 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:37,197 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:48:37,197 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:48:37,197 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11D.i_Iteration3_Lasso [2019-11-25 08:48:37,198 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:48:37,198 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:48:37,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:37,823 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2019-11-25 08:48:37,887 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:48:37,887 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:37,890 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 [2019-11-25 08:48:37,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:37,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:37,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:37,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:37,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:37,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:37,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:37,893 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:37,897 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 [2019-11-25 08:48:37,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:37,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:37,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:37,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:37,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:37,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:37,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:37,905 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:37,909 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 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:37,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:37,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:37,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:37,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:37,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:37,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:37,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:37,912 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:37,917 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 [2019-11-25 08:48:37,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:37,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:37,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:37,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:37,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:37,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:37,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:37,920 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:37,925 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 [2019-11-25 08:48:37,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:37,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:37,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:37,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:37,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:37,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:48:37,935 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:37,942 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 [2019-11-25 08:48:37,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:37,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:37,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:37,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:37,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:37,948 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:48:37,956 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:48:37,973 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-25 08:48:37,973 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:37,981 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:37,986 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:48:37,987 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:48:37,987 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_1) = 2*v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_1 + 1 Supporting invariants [] [2019-11-25 08:48:37,995 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2019-11-25 08:48:37,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-25 08:48:38,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:38,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:48:38,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:48:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:38,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-25 08:48:38,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:48:38,089 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:48:38,090 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 53 [2019-11-25 08:48:38,091 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:48:38,119 INFO L567 ElimStorePlain]: treesize reduction 20, result has 67.7 percent of original size [2019-11-25 08:48:38,120 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:48:38,120 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:21 [2019-11-25 08:48:38,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:38,133 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-25 08:48:38,133 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 51 states and 60 transitions. cyclomatic complexity: 14 Second operand 4 states. [2019-11-25 08:48:38,212 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 51 states and 60 transitions. cyclomatic complexity: 14. Second operand 4 states. Result 99 states and 122 transitions. Complement of second has 17 states. [2019-11-25 08:48:38,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-25 08:48:38,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:48:38,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2019-11-25 08:48:38,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 9 letters. Loop has 3 letters. [2019-11-25 08:48:38,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:48:38,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 12 letters. Loop has 3 letters. [2019-11-25 08:48:38,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:48:38,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 9 letters. Loop has 6 letters. [2019-11-25 08:48:38,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:48:38,214 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 122 transitions. [2019-11-25 08:48:38,218 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2019-11-25 08:48:38,221 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 87 states and 110 transitions. [2019-11-25 08:48:38,221 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2019-11-25 08:48:38,221 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2019-11-25 08:48:38,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 110 transitions. [2019-11-25 08:48:38,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:48:38,222 INFO L688 BuchiCegarLoop]: Abstraction has 87 states and 110 transitions. [2019-11-25 08:48:38,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 110 transitions. [2019-11-25 08:48:38,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2019-11-25 08:48:38,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-11-25 08:48:38,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 102 transitions. [2019-11-25 08:48:38,234 INFO L711 BuchiCegarLoop]: Abstraction has 83 states and 102 transitions. [2019-11-25 08:48:38,234 INFO L591 BuchiCegarLoop]: Abstraction has 83 states and 102 transitions. [2019-11-25 08:48:38,234 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:48:38,234 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 102 transitions. [2019-11-25 08:48:38,236 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2019-11-25 08:48:38,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:48:38,236 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:48:38,237 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:38,238 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:38,238 INFO L794 eck$LassoCheckResult]: Stem: 508#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 507#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem11, main_#t~mem14, main_#t~ret12, main_#t~ite13, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 485#L30-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 487#L30-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 552#L34 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 527#L38 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 550#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 549#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4; 496#L17 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 548#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 556#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;#res := ~r~0; 555#recFINAL assume true; 538#recEXIT >#42#return; 535#L17-1 ~res~0 := #t~ret5;havoc #t~ret5;call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset);#res := ~res~0; 533#recFINAL assume true; 526#recEXIT >#44#return; 481#L38-1 assume !(-1 == main_#t~ret12);main_#t~ite13 := 1; 482#L38-3 [2019-11-25 08:48:38,238 INFO L796 eck$LassoCheckResult]: Loop: 482#L38-3 call write~int(main_#t~mem14 + main_#t~ite13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~ite13;havoc main_#t~ret12;havoc main_#t~mem14; 517#L30-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 534#L30-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 532#L34 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 513#L38 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 525#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 531#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4; 514#L17 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 525#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 531#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;#res := ~r~0; 512#recFINAL assume true; 515#recEXIT >#42#return; 524#L17-1 ~res~0 := #t~ret5;havoc #t~ret5;call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset);#res := ~res~0; 530#recFINAL assume true; 523#recEXIT >#44#return; 521#L38-1 assume -1 == main_#t~ret12;main_#t~ite13 := -1; 482#L38-3 [2019-11-25 08:48:38,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:38,238 INFO L82 PathProgramCache]: Analyzing trace with hash -713572475, now seen corresponding path program 1 times [2019-11-25 08:48:38,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:38,239 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496342997] [2019-11-25 08:48:38,239 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:38,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-25 08:48:38,431 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496342997] [2019-11-25 08:48:38,431 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9569442] [2019-11-25 08:48:38,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:48:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:38,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 28 conjunts are in the unsatisfiable core [2019-11-25 08:48:38,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:48:38,522 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:48:38,522 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 46 [2019-11-25 08:48:38,523 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:48:38,541 INFO L567 ElimStorePlain]: treesize reduction 20, result has 60.8 percent of original size [2019-11-25 08:48:38,542 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:48:38,542 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:25, output treesize:9 [2019-11-25 08:48:38,595 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2019-11-25 08:48:38,595 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:48:38,599 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:48:38,599 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:48:38,599 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:11 [2019-11-25 08:48:38,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:38,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:48:38,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2019-11-25 08:48:38,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961822666] [2019-11-25 08:48:38,604 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-25 08:48:38,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:38,605 INFO L82 PathProgramCache]: Analyzing trace with hash 542882406, now seen corresponding path program 2 times [2019-11-25 08:48:38,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:38,605 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540786503] [2019-11-25 08:48:38,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:38,638 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:38,948 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-11-25 08:48:39,532 WARN L192 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 124 [2019-11-25 08:48:39,637 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-11-25 08:48:39,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:48:39,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-25 08:48:39,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2019-11-25 08:48:39,638 INFO L87 Difference]: Start difference. First operand 83 states and 102 transitions. cyclomatic complexity: 26 Second operand 14 states. [2019-11-25 08:48:39,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:48:39,780 INFO L93 Difference]: Finished difference Result 85 states and 110 transitions. [2019-11-25 08:48:39,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-25 08:48:39,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 85 states and 110 transitions. [2019-11-25 08:48:39,783 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:48:39,785 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 85 states to 54 states and 67 transitions. [2019-11-25 08:48:39,785 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-25 08:48:39,785 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-25 08:48:39,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 67 transitions. [2019-11-25 08:48:39,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:48:39,785 INFO L688 BuchiCegarLoop]: Abstraction has 54 states and 67 transitions. [2019-11-25 08:48:39,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 67 transitions. [2019-11-25 08:48:39,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 45. [2019-11-25 08:48:39,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-25 08:48:39,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2019-11-25 08:48:39,791 INFO L711 BuchiCegarLoop]: Abstraction has 45 states and 54 transitions. [2019-11-25 08:48:39,791 INFO L591 BuchiCegarLoop]: Abstraction has 45 states and 54 transitions. [2019-11-25 08:48:39,791 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-25 08:48:39,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 54 transitions. [2019-11-25 08:48:39,792 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:48:39,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:48:39,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:48:39,793 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:48:39,794 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-25 08:48:39,794 INFO L794 eck$LassoCheckResult]: Stem: 756#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 755#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem11, main_#t~mem14, main_#t~ret12, main_#t~ite13, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 739#L30-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 740#L30-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 750#L34 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 762#L38 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 768#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 769#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4; 752#L17 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 766#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 772#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;#res := ~r~0; 771#recFINAL assume true; 765#recEXIT >#42#return; 764#L17-1 ~res~0 := #t~ret5;havoc #t~ret5;call ULTIMATE.dealloc(~ip~0.base, ~ip~0.offset);#res := ~res~0; 763#recFINAL assume true; 761#recEXIT >#44#return; 737#L38-1 assume -1 == main_#t~ret12;main_#t~ite13 := -1; 738#L38-3 call write~int(main_#t~mem14 + main_#t~ite13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~ite13;havoc main_#t~ret12;havoc main_#t~mem14; 741#L30-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 743#L30-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 749#L34 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 730#L38 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 729#recENTRY [2019-11-25 08:48:39,794 INFO L796 eck$LassoCheckResult]: Loop: 729#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 731#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4; 732#L17 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 729#recENTRY [2019-11-25 08:48:39,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:39,794 INFO L82 PathProgramCache]: Analyzing trace with hash -873815595, now seen corresponding path program 2 times [2019-11-25 08:48:39,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:39,795 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326563267] [2019-11-25 08:48:39,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:39,843 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:39,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:39,844 INFO L82 PathProgramCache]: Analyzing trace with hash 29956, now seen corresponding path program 2 times [2019-11-25 08:48:39,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:39,844 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257727613] [2019-11-25 08:48:39,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:39,855 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:39,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:39,856 INFO L82 PathProgramCache]: Analyzing trace with hash -43609424, now seen corresponding path program 3 times [2019-11-25 08:48:39,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:48:39,856 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844937982] [2019-11-25 08:48:39,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:48:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:48:39,935 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:48:40,051 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-11-25 08:48:40,455 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2019-11-25 08:48:41,808 WARN L192 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 230 DAG size of output: 192 [2019-11-25 08:48:42,142 WARN L192 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-11-25 08:48:42,435 WARN L192 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-11-25 08:48:42,592 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-11-25 08:48:42,594 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:48:42,594 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:48:42,594 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:48:42,594 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:48:42,594 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:48:42,595 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:42,595 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:48:42,595 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:48:42,595 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11D.i_Iteration5_Lasso [2019-11-25 08:48:42,595 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:48:42,595 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:48:42,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,781 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-11-25 08:48:42,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:42,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:48:43,470 WARN L192 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-11-25 08:48:43,550 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:48:43,550 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,557 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 [2019-11-25 08:48:43,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:43,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:43,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:43,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:43,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:43,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:43,560 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,566 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 [2019-11-25 08:48:43,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:43,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:43,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:43,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:43,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:43,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:43,569 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,581 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 [2019-11-25 08:48:43,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:43,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:43,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:43,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:43,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:43,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:43,584 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,588 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 [2019-11-25 08:48:43,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:43,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:43,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:43,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:43,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:43,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:43,592 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,596 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 [2019-11-25 08:48:43,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:43,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:43,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:43,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:43,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:43,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:43,602 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,607 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 [2019-11-25 08:48:43,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:43,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:43,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:43,610 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:43,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:48:43,614 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,619 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 [2019-11-25 08:48:43,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:43,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:43,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:43,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:43,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:43,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:43,626 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:43,639 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 [2019-11-25 08:48:43,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:43,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:43,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:43,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:43,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:43,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,643 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,648 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 [2019-11-25 08:48:43,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:43,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:43,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:43,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:43,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:43,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:43,651 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,655 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 [2019-11-25 08:48:43,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:43,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:43,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:43,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:43,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:48:43,660 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 31 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,665 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 [2019-11-25 08:48:43,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:43,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:43,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:43,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:43,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:43,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:43,669 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 32 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,677 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 [2019-11-25 08:48:43,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:43,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:43,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:43,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:43,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:43,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:43,681 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:43,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:43,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,686 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:43,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:43,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:43,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:43,687 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:43,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,689 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 34 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,693 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 [2019-11-25 08:48:43,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:43,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:43,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:43,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:43,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:43,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:43,696 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 35 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,700 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 [2019-11-25 08:48:43,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:43,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:43,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:43,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:43,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:43,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:43,703 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 36 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:43,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:43,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:43,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:43,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:43,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:43,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:43,710 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 37 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,714 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 [2019-11-25 08:48:43,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:43,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:43,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:43,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:43,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:43,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:43,717 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 38 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,721 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 [2019-11-25 08:48:43,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:43,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:43,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:43,724 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:43,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:48:43,726 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 39 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 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,729 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 [2019-11-25 08:48:43,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:43,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:43,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:43,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:43,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:48:43,738 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 40 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,747 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 [2019-11-25 08:48:43,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:43,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:43,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:43,751 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:43,751 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:48:43,758 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:43,770 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 [2019-11-25 08:48:43,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,772 INFO L203 nArgumentSynthesizer]: 16 stem disjuncts [2019-11-25 08:48:43,772 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-25 08:48:43,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,804 INFO L401 nArgumentSynthesizer]: We have 76 Motzkin's Theorem applications. [2019-11-25 08:48:43,804 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-25 08:48:43,850 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 42 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,854 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 [2019-11-25 08:48:43,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:43,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:43,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:43,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:43,861 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:48:43,868 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 43 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,873 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 [2019-11-25 08:48:43,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:43,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:43,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:43,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:43,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:43,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:48:43,887 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:48:43,898 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-25 08:48:43,898 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd2b45a6-eb70-4746-a2cd-83c22ca23937/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:43,902 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:43,905 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:48:43,905 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:48:43,905 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_2) = 2*v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_2 + 1 Supporting invariants [] [2019-11-25 08:48:43,919 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2019-11-25 08:48:43,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-25 08:48:43,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:43,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-25 08:48:43,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:48:44,006 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:48:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:44,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-25 08:48:44,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:48:44,062 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:48:44,062 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 53 [2019-11-25 08:48:44,063 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:48:44,100 INFO L567 ElimStorePlain]: treesize reduction 20, result has 67.7 percent of original size [2019-11-25 08:48:44,101 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:48:44,101 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:21 [2019-11-25 08:48:44,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:44,116 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-25 08:48:44,116 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-11-25 08:48:44,209 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13. Second operand 5 states. Result 55 states and 65 transitions. Complement of second has 14 states. [2019-11-25 08:48:44,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-25 08:48:44,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-25 08:48:44,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-11-25 08:48:44,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 22 letters. Loop has 3 letters. [2019-11-25 08:48:44,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:48:44,211 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-25 08:48:44,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:44,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-25 08:48:44,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:48:44,309 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:48:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:44,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-25 08:48:44,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:48:44,366 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:48:44,366 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 53 [2019-11-25 08:48:44,367 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:48:44,387 INFO L567 ElimStorePlain]: treesize reduction 20, result has 67.7 percent of original size [2019-11-25 08:48:44,388 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:48:44,388 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:21 [2019-11-25 08:48:44,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:44,399 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-25 08:48:44,400 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-11-25 08:48:44,472 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13. Second operand 5 states. Result 55 states and 65 transitions. Complement of second has 14 states. [2019-11-25 08:48:44,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-25 08:48:44,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-25 08:48:44,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-11-25 08:48:44,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 22 letters. Loop has 3 letters. [2019-11-25 08:48:44,475 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:48:44,475 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-25 08:48:44,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:44,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-25 08:48:44,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:48:44,560 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:48:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:44,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-25 08:48:44,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:48:44,611 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:48:44,611 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 53 [2019-11-25 08:48:44,612 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:48:44,633 INFO L567 ElimStorePlain]: treesize reduction 20, result has 67.7 percent of original size [2019-11-25 08:48:44,634 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 08:48:44,634 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:21 [2019-11-25 08:48:44,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:44,645 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-25 08:48:44,645 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-11-25 08:48:44,744 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13. Second operand 5 states. Result 68 states and 78 transitions. Complement of second has 15 states. [2019-11-25 08:48:44,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-25 08:48:44,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-25 08:48:44,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2019-11-25 08:48:44,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 22 letters. Loop has 3 letters. [2019-11-25 08:48:44,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:48:44,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 25 letters. Loop has 3 letters. [2019-11-25 08:48:44,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:48:44,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 22 letters. Loop has 6 letters. [2019-11-25 08:48:44,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:48:44,750 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 78 transitions. [2019-11-25 08:48:44,752 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:48:44,752 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 0 states and 0 transitions. [2019-11-25 08:48:44,752 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:48:44,752 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:48:44,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:48:44,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:48:44,752 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:48:44,753 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:48:44,753 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:48:44,753 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-25 08:48:44,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:48:44,753 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:48:44,753 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:48:44,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:48:44 BoogieIcfgContainer [2019-11-25 08:48:44,761 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:48:44,762 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:48:44,763 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:48:44,763 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:48:44,770 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:31" (3/4) ... [2019-11-25 08:48:44,772 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:48:44,773 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:48:44,774 INFO L168 Benchmark]: Toolchain (without parser) took 14462.60 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 237.0 MB). Free memory was 951.4 MB in the beginning and 857.6 MB in the end (delta: 93.8 MB). Peak memory consumption was 330.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:44,774 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. [2019-11-25 08:48:44,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:44,775 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.46 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. [2019-11-25 08:48:44,775 INFO L168 Benchmark]: Boogie Preprocessor took 29.16 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. [2019-11-25 08:48:44,776 INFO L168 Benchmark]: RCFGBuilder took 320.92 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:44,776 INFO L168 Benchmark]: BuchiAutomizer took 13738.39 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.9 MB). Free memory was 1.1 GB in the beginning and 857.6 MB in the end (delta: 255.5 MB). Peak memory consumption was 350.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:44,776 INFO L168 Benchmark]: Witness Printer took 10.16 ms. Allocated memory is still 1.3 GB. Free memory is still 857.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:48:44,778 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 314.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.46 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 29.16 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. * RCFGBuilder took 320.92 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 13738.39 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.9 MB). Free memory was 1.1 GB in the beginning and 857.6 MB in the end (delta: 255.5 MB). Peak memory consumption was 350.4 MB. Max. memory is 11.5 GB. * Witness Printer took 10.16 ms. Allocated memory is still 1.3 GB. Free memory is still 857.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[qq][qq] and consists of 8 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[op][op] + 1 and consists of 5 locations. One nondeterministic module has affine ranking function 2 * unknown-#memory_int-unknown[op][op] + 1 and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.6s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 11.5s. Construction of modules took 0.3s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 83 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 4/4 HoareTripleCheckerStatistics: 82 SDtfs, 62 SDslu, 150 SDs, 0 SdLazy, 243 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital385 mio100 ax100 hnf100 lsp98 ukn39 mio100 lsp28 div100 bol100 ite100 ukn100 eq180 hnf90 smp98 dnf473 smp79 tf100 neg86 sie150 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 89ms VariablesStem: 5 VariablesLoop: 2 DisjunctsStem: 16 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 76 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...