./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrncat_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bae3a230-a693-4577-94c6-19f6b36ddb17/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bae3a230-a693-4577-94c6-19f6b36ddb17/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bae3a230-a693-4577-94c6-19f6b36ddb17/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bae3a230-a693-4577-94c6-19f6b36ddb17/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrncat_malloc.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bae3a230-a693-4577-94c6-19f6b36ddb17/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bae3a230-a693-4577-94c6-19f6b36ddb17/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 57af49b15bb2f44ef5afe346e632fe87804775c2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:58:24,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:24,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:24,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:24,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:24,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:24,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:24,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:24,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:24,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:24,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:24,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:24,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:24,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:24,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:24,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:24,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:24,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:24,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:24,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:24,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:24,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:24,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:24,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:24,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:24,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:24,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:24,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:24,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:24,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:24,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:24,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:24,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:24,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:24,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:24,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:24,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:24,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:24,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:24,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:24,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:24,565 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bae3a230-a693-4577-94c6-19f6b36ddb17/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-10-22 08:58:24,578 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:24,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:24,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:24,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:24,580 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:24,580 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:58:24,580 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:58:24,580 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:58:24,580 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:58:24,581 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:58:24,581 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:58:24,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:24,581 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:58:24,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:24,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:24,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:58:24,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:58:24,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:58:24,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:24,583 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:58:24,583 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:24,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:58:24,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:24,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:24,584 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:58:24,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:24,584 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:24,585 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:58:24,585 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:58:24,586 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/working_dir_bae3a230-a693-4577-94c6-19f6b36ddb17/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 -> 57af49b15bb2f44ef5afe346e632fe87804775c2 [2019-10-22 08:58:24,608 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:24,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:24,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:24,623 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:24,623 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:24,624 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bae3a230-a693-4577-94c6-19f6b36ddb17/bin/uautomizer/../../sv-benchmarks/c/termination-15/cstrncat_malloc.i [2019-10-22 08:58:24,669 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bae3a230-a693-4577-94c6-19f6b36ddb17/bin/uautomizer/data/4dd7c7fa3/cf09fa9ca04144b4bbeaae08b9aa4054/FLAGdc081d508 [2019-10-22 08:58:25,185 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:25,185 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bae3a230-a693-4577-94c6-19f6b36ddb17/sv-benchmarks/c/termination-15/cstrncat_malloc.i [2019-10-22 08:58:25,196 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bae3a230-a693-4577-94c6-19f6b36ddb17/bin/uautomizer/data/4dd7c7fa3/cf09fa9ca04144b4bbeaae08b9aa4054/FLAGdc081d508 [2019-10-22 08:58:25,645 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bae3a230-a693-4577-94c6-19f6b36ddb17/bin/uautomizer/data/4dd7c7fa3/cf09fa9ca04144b4bbeaae08b9aa4054 [2019-10-22 08:58:25,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:25,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:25,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:25,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:25,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:25,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:25" (1/1) ... [2019-10-22 08:58:25,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a1e4610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:25, skipping insertion in model container [2019-10-22 08:58:25,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:25" (1/1) ... [2019-10-22 08:58:25,663 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:25,695 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:26,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:26,075 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:26,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:26,190 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:26,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:26 WrapperNode [2019-10-22 08:58:26,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:26,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:26,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:26,192 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:26,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:26" (1/1) ... [2019-10-22 08:58:26,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:26" (1/1) ... [2019-10-22 08:58:26,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:26,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:26,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:26,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:26,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:26" (1/1) ... [2019-10-22 08:58:26,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:26" (1/1) ... [2019-10-22 08:58:26,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:26" (1/1) ... [2019-10-22 08:58:26,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:26" (1/1) ... [2019-10-22 08:58:26,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:26" (1/1) ... [2019-10-22 08:58:26,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:26" (1/1) ... [2019-10-22 08:58:26,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:26" (1/1) ... [2019-10-22 08:58:26,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:26,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:26,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:26,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:26,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bae3a230-a693-4577-94c6-19f6b36ddb17/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 [2019-10-22 08:58:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:58:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:58:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 08:58:26,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:58:26,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:26,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:26,587 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:26,588 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 08:58:26,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:26 BoogieIcfgContainer [2019-10-22 08:58:26,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:26,590 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:58:26,590 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:58:26,599 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:58:26,600 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:26,600 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:58:25" (1/3) ... [2019-10-22 08:58:26,602 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59b2ebdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:58:26, skipping insertion in model container [2019-10-22 08:58:26,602 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:26,602 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:26" (2/3) ... [2019-10-22 08:58:26,602 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59b2ebdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:58:26, skipping insertion in model container [2019-10-22 08:58:26,602 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:26,602 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:26" (3/3) ... [2019-10-22 08:58:26,605 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrncat_malloc.i [2019-10-22 08:58:26,652 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:58:26,652 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:58:26,652 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:58:26,653 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:26,653 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:26,653 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:58:26,653 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:26,653 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:58:26,667 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-10-22 08:58:26,689 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-10-22 08:58:26,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:26,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:26,695 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:58:26,695 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-10-22 08:58:26,695 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:58:26,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-10-22 08:58:26,696 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-10-22 08:58:26,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:26,697 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:26,697 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:58:26,697 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-10-22 08:58:26,703 INFO L791 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 12#L-1true havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~nondet215, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~malloc217.base, main_#t~malloc217.offset, main_#t~ret218.base, main_#t~ret218.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214;main_~n~0 := main_#t~nondet215;havoc main_#t~nondet215; 15#L381true assume !(main_~length1~0 < 1); 18#L381-2true assume !(main_~length2~0 < 1); 11#L384-1true assume !(main_~n~0 < 1); 6#L387-1true assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnHeap(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call main_#t~malloc217.base, main_#t~malloc217.offset := #Ultimate.allocOnHeap(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc217.base, main_#t~malloc217.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post206.base, cstrncat_#t~post206.offset, cstrncat_#t~mem205, cstrncat_#t~post210, cstrncat_#t~post211.base, cstrncat_#t~post211.offset, cstrncat_#t~post207.base, cstrncat_#t~post207.offset, cstrncat_#t~mem208, cstrncat_#t~short209, cstrncat_#t~mem212, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; 8#L367-3true [2019-10-22 08:58:26,704 INFO L793 eck$LassoCheckResult]: Loop: 8#L367-3true call cstrncat_#t~mem205 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 4#L367-1true assume !!(0 != cstrncat_#t~mem205);havoc cstrncat_#t~mem205;cstrncat_#t~post206.base, cstrncat_#t~post206.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post206.base, 1 + cstrncat_#t~post206.offset;havoc cstrncat_#t~post206.base, cstrncat_#t~post206.offset; 8#L367-3true [2019-10-22 08:58:26,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:26,710 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2019-10-22 08:58:26,716 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:26,717 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635439682] [2019-10-22 08:58:26,717 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:26,717 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:26,717 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:26,862 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:26,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:26,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2019-10-22 08:58:26,863 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:26,864 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833587759] [2019-10-22 08:58:26,864 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:26,864 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:26,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:26,876 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:26,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:26,878 INFO L82 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2019-10-22 08:58:26,878 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:26,879 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63486704] [2019-10-22 08:58:26,879 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:26,879 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:26,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:26,937 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:27,472 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 98 [2019-10-22 08:58:27,630 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-10-22 08:58:27,644 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:58:27,645 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:58:27,645 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:58:27,645 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:58:27,646 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:58:27,646 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:58:27,646 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:58:27,646 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:58:27,646 INFO L131 ssoRankerPreferences]: Filename of dumped script: cstrncat_malloc.i_Iteration1_Lasso [2019-10-22 08:58:27,646 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:58:27,646 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:58:27,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:27,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:27,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:27,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:27,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:27,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:27,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:27,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:27,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:27,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:27,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:27,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:27,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:27,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:27,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:27,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:27,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:27,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:27,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:27,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:27,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:27,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:58:28,071 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-10-22 08:58:28,927 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-10-22 08:58:28,995 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:58:28,999 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:58:29,001 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 [2019-10-22 08:58:29,005 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:29,005 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:29,005 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:29,006 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:29,006 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:29,007 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:29,008 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:29,010 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:29,011 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 [2019-10-22 08:58:29,014 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:29,015 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:29,016 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:29,016 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:29,019 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:58:29,022 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:58:29,026 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:29,026 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 [2019-10-22 08:58:29,027 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:29,027 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:29,027 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:29,027 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:29,027 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:29,040 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:29,040 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:29,041 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:29,041 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 [2019-10-22 08:58:29,042 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:29,042 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:29,042 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:29,042 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:29,042 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:29,043 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:29,043 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:29,044 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:29,044 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 [2019-10-22 08:58:29,045 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:29,045 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:29,045 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:29,045 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:29,045 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:29,046 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:29,046 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:29,046 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:29,047 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 [2019-10-22 08:58:29,047 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:29,047 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:29,048 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:29,053 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:29,053 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:29,053 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:29,053 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:29,055 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:29,055 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 [2019-10-22 08:58:29,060 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:29,060 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:29,061 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:29,061 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:29,061 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:29,061 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:29,061 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:29,062 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:29,063 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 [2019-10-22 08:58:29,063 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:29,064 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:29,064 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:29,064 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:29,064 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:29,065 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:29,065 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:29,066 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:29,066 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 [2019-10-22 08:58:29,067 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:29,067 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:29,067 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:29,067 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:29,069 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:58:29,069 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:58:29,072 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:29,073 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 [2019-10-22 08:58:29,073 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:29,073 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:29,074 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:29,074 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:29,074 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:29,074 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:29,074 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:29,075 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:29,075 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 [2019-10-22 08:58:29,076 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:29,077 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:29,077 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:29,077 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:29,077 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:29,077 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:29,078 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:29,078 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:29,079 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 [2019-10-22 08:58:29,079 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:29,080 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:29,080 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:29,080 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:29,080 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:29,081 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:29,081 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:29,082 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:29,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:29,083 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:29,083 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:29,083 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:29,083 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:29,083 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:29,084 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:29,084 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:29,085 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:29,085 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 [2019-10-22 08:58:29,086 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:29,086 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:29,086 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:29,086 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:29,087 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:29,087 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:29,087 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:29,088 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:29,089 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 [2019-10-22 08:58:29,089 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:29,089 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:29,089 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:29,090 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:29,090 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:29,090 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:29,090 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:29,091 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:29,091 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 [2019-10-22 08:58:29,092 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:29,092 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:29,093 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:29,093 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:29,093 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:29,093 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:29,093 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:29,094 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:29,094 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 [2019-10-22 08:58:29,095 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:29,095 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:29,095 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:29,095 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:29,095 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:29,096 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:29,096 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:29,097 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:29,097 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 [2019-10-22 08:58:29,098 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:29,098 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:29,098 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:29,098 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:29,098 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:29,099 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:29,099 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:29,100 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:29,100 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 [2019-10-22 08:58:29,101 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:29,101 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:29,101 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:29,101 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:29,102 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:29,102 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:29,102 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:29,103 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:29,103 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 [2019-10-22 08:58:29,104 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:29,104 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:29,104 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:29,105 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:29,105 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:29,105 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:29,105 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:29,106 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:29,106 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 [2019-10-22 08:58:29,107 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:29,107 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:58:29,107 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:29,107 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:29,107 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:29,108 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:58:29,108 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:58:29,109 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:58:29,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-10-22 08:58:29,110 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:58:29,110 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:58:29,110 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:58:29,111 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:58:29,116 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 08:58:29,116 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 08:58:29,186 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:58:29,240 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-10-22 08:58:29,247 INFO L444 ModelExtractionUtils]: 39 out of 43 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-10-22 08:58:29,250 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:58:29,252 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-10-22 08:58:29,252 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:58:29,253 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrncat_~s~0.base)_1, ULTIMATE.start_cstrncat_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_cstrncat_~s~0.base)_1 - 1*ULTIMATE.start_cstrncat_~s~0.offset Supporting invariants [] [2019-10-22 08:58:29,284 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2019-10-22 08:58:29,290 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 08:58:29,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:29,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:58:29,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:29,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 08:58:29,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:29,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:29,369 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-10-22 08:58:29,370 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 3 states. [2019-10-22 08:58:29,450 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states.. Second operand 3 states. Result 53 states and 76 transitions. Complement of second has 7 states. [2019-10-22 08:58:29,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-10-22 08:58:29,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-10-22 08:58:29,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2019-10-22 08:58:29,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 6 letters. Loop has 2 letters. [2019-10-22 08:58:29,458 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:58:29,458 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 8 letters. Loop has 2 letters. [2019-10-22 08:58:29,458 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:58:29,459 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 6 letters. Loop has 4 letters. [2019-10-22 08:58:29,459 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:58:29,460 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 76 transitions. [2019-10-22 08:58:29,463 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 08:58:29,468 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 20 states and 27 transitions. [2019-10-22 08:58:29,469 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-10-22 08:58:29,469 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-10-22 08:58:29,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2019-10-22 08:58:29,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-10-22 08:58:29,470 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2019-10-22 08:58:29,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2019-10-22 08:58:29,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-10-22 08:58:29,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-10-22 08:58:29,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2019-10-22 08:58:29,499 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-10-22 08:58:29,499 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-10-22 08:58:29,500 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:58:29,500 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2019-10-22 08:58:29,500 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-10-22 08:58:29,501 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:29,501 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:29,501 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:29,502 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-10-22 08:58:29,502 INFO L791 eck$LassoCheckResult]: Stem: 163#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 158#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~nondet215, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~malloc217.base, main_#t~malloc217.offset, main_#t~ret218.base, main_#t~ret218.offset, main_~length1~0, main_~length2~0, main_~n~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214;main_~n~0 := main_#t~nondet215;havoc main_#t~nondet215; 159#L381 assume !(main_~length1~0 < 1); 164#L381-2 assume !(main_~length2~0 < 1); 174#L384-1 assume !(main_~n~0 < 1); 169#L387-1 assume !(main_~length1~0 < main_~n~0 || main_~length1~0 - main_~n~0 < main_~length2~0);call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnHeap(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call main_#t~malloc217.base, main_#t~malloc217.offset := #Ultimate.allocOnHeap(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc217.base, main_#t~malloc217.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - main_~n~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncat_#in~s1.base, cstrncat_#in~s1.offset, cstrncat_#in~s2.base, cstrncat_#in~s2.offset, cstrncat_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~0;havoc cstrncat_#res.base, cstrncat_#res.offset;havoc cstrncat_#t~post206.base, cstrncat_#t~post206.offset, cstrncat_#t~mem205, cstrncat_#t~post210, cstrncat_#t~post211.base, cstrncat_#t~post211.offset, cstrncat_#t~post207.base, cstrncat_#t~post207.offset, cstrncat_#t~mem208, cstrncat_#t~short209, cstrncat_#t~mem212, cstrncat_~s1.base, cstrncat_~s1.offset, cstrncat_~s2.base, cstrncat_~s2.offset, cstrncat_~n, cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s1.base, cstrncat_~s1.offset := cstrncat_#in~s1.base, cstrncat_#in~s1.offset;cstrncat_~s2.base, cstrncat_~s2.offset := cstrncat_#in~s2.base, cstrncat_#in~s2.offset;cstrncat_~n := cstrncat_#in~n;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_~s1.base, cstrncat_~s1.offset; 170#L367-3 call cstrncat_#t~mem205 := read~int(cstrncat_~s~0.base, cstrncat_~s~0.offset, 1); 160#L367-1 assume !(0 != cstrncat_#t~mem205);havoc cstrncat_#t~mem205; 161#L369-4 cstrncat_#t~short209 := 0 != cstrncat_~n; 176#L369 assume !cstrncat_#t~short209; 172#L369-2 assume !!cstrncat_#t~short209;havoc cstrncat_#t~mem208;havoc cstrncat_#t~post207.base, cstrncat_#t~post207.offset;havoc cstrncat_#t~short209;cstrncat_#t~post210 := cstrncat_~n;cstrncat_~n := cstrncat_#t~post210 - 1;havoc cstrncat_#t~post210;cstrncat_#t~post211.base, cstrncat_#t~post211.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post211.base, 1 + cstrncat_#t~post211.offset;havoc cstrncat_#t~post211.base, cstrncat_#t~post211.offset; 175#L369-4 cstrncat_#t~short209 := 0 != cstrncat_~n; 166#L369 [2019-10-22 08:58:29,502 INFO L793 eck$LassoCheckResult]: Loop: 166#L369 assume !cstrncat_#t~short209; 171#L369-2 assume !!cstrncat_#t~short209;havoc cstrncat_#t~mem208;havoc cstrncat_#t~post207.base, cstrncat_#t~post207.offset;havoc cstrncat_#t~short209;cstrncat_#t~post210 := cstrncat_~n;cstrncat_~n := cstrncat_#t~post210 - 1;havoc cstrncat_#t~post210;cstrncat_#t~post211.base, cstrncat_#t~post211.offset := cstrncat_~s~0.base, cstrncat_~s~0.offset;cstrncat_~s~0.base, cstrncat_~s~0.offset := cstrncat_#t~post211.base, 1 + cstrncat_#t~post211.offset;havoc cstrncat_#t~post211.base, cstrncat_#t~post211.offset; 165#L369-4 cstrncat_#t~short209 := 0 != cstrncat_~n; 166#L369 [2019-10-22 08:58:29,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:29,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1662025132, now seen corresponding path program 1 times [2019-10-22 08:58:29,504 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:29,504 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341941621] [2019-10-22 08:58:29,504 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:29,505 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:29,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:29,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:29,572 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341941621] [2019-10-22 08:58:29,573 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:29,573 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:29,573 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19555334] [2019-10-22 08:58:29,575 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-10-22 08:58:29,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:29,575 INFO L82 PathProgramCache]: Analyzing trace with hash 76643, now seen corresponding path program 1 times [2019-10-22 08:58:29,576 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:29,576 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728559657] [2019-10-22 08:58:29,576 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:29,576 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:29,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:29,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:29,584 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728559657] [2019-10-22 08:58:29,584 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:29,584 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:58:29,584 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467406535] [2019-10-22 08:58:29,585 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-10-22 08:58:29,585 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:29,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:29,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:29,589 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand 3 states. [2019-10-22 08:58:29,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:29,605 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2019-10-22 08:58:29,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:29,606 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2019-10-22 08:58:29,607 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:58:29,607 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2019-10-22 08:58:29,607 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:58:29,607 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:58:29,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:58:29,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:58:29,608 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:29,608 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:29,608 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:29,608 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-10-22 08:58:29,608 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:58:29,608 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:58:29,608 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:58:29,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:58:29 BoogieIcfgContainer [2019-10-22 08:58:29,618 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:58:29,618 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:29,618 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:29,619 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:29,619 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:26" (3/4) ... [2019-10-22 08:58:29,623 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:58:29,623 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:29,625 INFO L168 Benchmark]: Toolchain (without parser) took 3975.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.2 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:29,626 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:29,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:29,628 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.24 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:29,629 INFO L168 Benchmark]: Boogie Preprocessor took 28.72 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:29,629 INFO L168 Benchmark]: RCFGBuilder took 319.79 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: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:29,630 INFO L168 Benchmark]: BuchiAutomizer took 3028.32 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -15.1 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:29,631 INFO L168 Benchmark]: Witness Printer took 4.91 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. [2019-10-22 08:58:29,634 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 541.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.24 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.72 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 319.79 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: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3028.32 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -15.1 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.91 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[s] + -1 * s and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 3 iterations. TraceHistogramMax:2. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 19 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 37 SDtfs, 26 SDslu, 23 SDs, 0 SdLazy, 16 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI1 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital203 mio100 ax100 hnf98 lsp97 ukn76 mio100 lsp41 div100 bol100 ite100 ukn100 eq187 hnf88 smp100 dnf240 smp97 tf100 neg96 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...