./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrpbrk_diffterm_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrpbrk_diffterm_alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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 31b6f06b720558e9a2e510f7cce25403bea703ef .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 08:36:51,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 08:36:51,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 08:36:51,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 08:36:51,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 08:36:51,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 08:36:51,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 08:36:51,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 08:36:51,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 08:36:51,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 08:36:51,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 08:36:51,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 08:36:51,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 08:36:51,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 08:36:51,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 08:36:51,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 08:36:51,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 08:36:51,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 08:36:51,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 08:36:51,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 08:36:51,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 08:36:51,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 08:36:51,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 08:36:51,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 08:36:51,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 08:36:51,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 08:36:51,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 08:36:51,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 08:36:51,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 08:36:51,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 08:36:51,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 08:36:51,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 08:36:51,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 08:36:51,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 08:36:51,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 08:36:51,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 08:36:51,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 08:36:51,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 08:36:51,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 08:36:51,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 08:36:51,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 08:36:51,531 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 08:36:51,553 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 08:36:51,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 08:36:51,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 08:36:51,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 08:36:51,558 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 08:36:51,558 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 08:36:51,559 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 08:36:51,559 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 08:36:51,559 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 08:36:51,559 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 08:36:51,560 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 08:36:51,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 08:36:51,560 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 08:36:51,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 08:36:51,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 08:36:51,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 08:36:51,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 08:36:51,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 08:36:51,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 08:36:51,562 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 08:36:51,562 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 08:36:51,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 08:36:51,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 08:36:51,563 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 08:36:51,563 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 08:36:51,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 08:36:51,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 08:36:51,564 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 08:36:51,565 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 08:36:51,565 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_46fc8efb-f562-43a4-8dd3-1505346f23c0/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 -> 31b6f06b720558e9a2e510f7cce25403bea703ef [2019-11-20 08:36:51,728 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 08:36:51,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 08:36:51,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 08:36:51,753 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 08:36:51,753 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 08:36:51,754 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/bin/uautomizer/../../sv-benchmarks/c/termination-15/cstrpbrk_diffterm_alloca.i [2019-11-20 08:36:51,809 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/bin/uautomizer/data/ca9ed4966/0cb2c1a197bc4a299af1538e41622693/FLAGb805cd005 [2019-11-20 08:36:52,266 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 08:36:52,267 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/sv-benchmarks/c/termination-15/cstrpbrk_diffterm_alloca.i [2019-11-20 08:36:52,280 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/bin/uautomizer/data/ca9ed4966/0cb2c1a197bc4a299af1538e41622693/FLAGb805cd005 [2019-11-20 08:36:52,770 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/bin/uautomizer/data/ca9ed4966/0cb2c1a197bc4a299af1538e41622693 [2019-11-20 08:36:52,773 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 08:36:52,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 08:36:52,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 08:36:52,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 08:36:52,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 08:36:52,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:36:52" (1/1) ... [2019-11-20 08:36:52,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a5fd7b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:36:52, skipping insertion in model container [2019-11-20 08:36:52,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:36:52" (1/1) ... [2019-11-20 08:36:52,786 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 08:36:52,818 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 08:36:53,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:36:53,212 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 08:36:53,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:36:53,342 INFO L192 MainTranslator]: Completed translation [2019-11-20 08:36:53,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:36:53 WrapperNode [2019-11-20 08:36:53,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 08:36:53,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 08:36:53,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 08:36:53,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 08:36:53,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:36:53" (1/1) ... [2019-11-20 08:36:53,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:36:53" (1/1) ... [2019-11-20 08:36:53,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 08:36:53,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 08:36:53,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 08:36:53,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 08:36:53,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:36:53" (1/1) ... [2019-11-20 08:36:53,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:36:53" (1/1) ... [2019-11-20 08:36:53,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:36:53" (1/1) ... [2019-11-20 08:36:53,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:36:53" (1/1) ... [2019-11-20 08:36:53,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:36:53" (1/1) ... [2019-11-20 08:36:53,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:36:53" (1/1) ... [2019-11-20 08:36:53,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:36:53" (1/1) ... [2019-11-20 08:36:53,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 08:36:53,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 08:36:53,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 08:36:53,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 08:36:53,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:36:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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 [2019-11-20 08:36:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 08:36:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 08:36:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 08:36:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 08:36:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 08:36:53,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 08:36:53,745 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 08:36:53,745 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 08:36:53,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:36:53 BoogieIcfgContainer [2019-11-20 08:36:53,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 08:36:53,747 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 08:36:53,747 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 08:36:53,750 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 08:36:53,751 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 08:36:53,751 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 08:36:52" (1/3) ... [2019-11-20 08:36:53,752 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3018f1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 08:36:53, skipping insertion in model container [2019-11-20 08:36:53,752 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 08:36:53,752 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:36:53" (2/3) ... [2019-11-20 08:36:53,753 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3018f1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 08:36:53, skipping insertion in model container [2019-11-20 08:36:53,753 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 08:36:53,753 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:36:53" (3/3) ... [2019-11-20 08:36:53,755 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrpbrk_diffterm_alloca.i [2019-11-20 08:36:53,792 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 08:36:53,792 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 08:36:53,792 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 08:36:53,792 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 08:36:53,792 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 08:36:53,793 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 08:36:53,793 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 08:36:53,793 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 08:36:53,805 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-20 08:36:53,836 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-20 08:36:53,837 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:36:53,837 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:36:53,841 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 08:36:53,841 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 08:36:53,841 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 08:36:53,841 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-20 08:36:53,843 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-20 08:36:53,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:36:53,843 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:36:53,844 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 08:36:53,844 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 08:36:53,851 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217.base, main_#t~ret217.offset, main_~length1~0, main_~length2~0, 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; 12#L382true assume !(main_~length1~0 < 1); 15#L382-2true assume !(main_~length2~0 < 1); 9#L385-1true call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(49, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem207, cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset, cstrpbrk_#t~mem208, cstrpbrk_#t~mem209, cstrpbrk_#t~short210, cstrpbrk_#t~mem212, cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset, cstrpbrk_#t~mem206, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 6#L369-4true [2019-11-20 08:36:53,852 INFO L796 eck$LassoCheckResult]: Loop: 6#L369-4true call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 18#L369-1true assume !!(49 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 20#L372-5true assume !true; 4#L372-6true call cstrpbrk_#t~mem212 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 8#L374true assume !(cstrpbrk_#t~mem212 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem212; 5#L369-3true cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post205.base, 1 + cstrpbrk_#t~post205.offset;havoc cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset; 6#L369-4true [2019-11-20 08:36:53,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:36:53,857 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2019-11-20 08:36:53,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:36:53,865 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015220106] [2019-11-20 08:36:53,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:36:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:36:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:36:54,002 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:36:54,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:36:54,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2019-11-20 08:36:54,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:36:54,004 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583550427] [2019-11-20 08:36:54,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:36:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:36:54,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:36:54,033 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583550427] [2019-11-20 08:36:54,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:36:54,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 08:36:54,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413920379] [2019-11-20 08:36:54,038 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 08:36:54,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:36:54,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 08:36:54,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 08:36:54,055 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2019-11-20 08:36:54,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:36:54,059 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2019-11-20 08:36:54,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 08:36:54,061 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2019-11-20 08:36:54,063 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-20 08:36:54,066 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2019-11-20 08:36:54,066 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-20 08:36:54,067 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-20 08:36:54,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2019-11-20 08:36:54,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 08:36:54,068 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-20 08:36:54,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2019-11-20 08:36:54,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-20 08:36:54,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-20 08:36:54,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2019-11-20 08:36:54,086 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-20 08:36:54,086 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-20 08:36:54,086 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 08:36:54,087 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2019-11-20 08:36:54,087 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-20 08:36:54,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:36:54,087 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:36:54,088 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 08:36:54,088 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:36:54,088 INFO L794 eck$LassoCheckResult]: Stem: 55#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 50#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217.base, main_#t~ret217.offset, main_~length1~0, main_~length2~0, 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; 51#L382 assume !(main_~length1~0 < 1); 52#L382-2 assume !(main_~length2~0 < 1); 49#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(49, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem207, cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset, cstrpbrk_#t~mem208, cstrpbrk_#t~mem209, cstrpbrk_#t~short210, cstrpbrk_#t~mem212, cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset, cstrpbrk_#t~mem206, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 47#L369-4 [2019-11-20 08:36:54,089 INFO L796 eck$LassoCheckResult]: Loop: 47#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 48#L369-1 assume !!(49 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 56#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 49 != cstrpbrk_#t~mem208; 53#L372-1 assume cstrpbrk_#t~short210;call cstrpbrk_#t~mem209 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := cstrpbrk_#t~mem209 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 54#L372-3 assume !cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem209;havoc cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208; 44#L372-6 call cstrpbrk_#t~mem212 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 45#L374 assume !(cstrpbrk_#t~mem212 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem212; 46#L369-3 cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post205.base, 1 + cstrpbrk_#t~post205.offset;havoc cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset; 47#L369-4 [2019-11-20 08:36:54,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:36:54,089 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2019-11-20 08:36:54,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:36:54,089 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069540772] [2019-11-20 08:36:54,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:36:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:36:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:36:54,133 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:36:54,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:36:54,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2019-11-20 08:36:54,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:36:54,134 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067561419] [2019-11-20 08:36:54,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:36:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:36:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:36:54,163 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:36:54,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:36:54,163 INFO L82 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2019-11-20 08:36:54,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:36:54,164 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047681373] [2019-11-20 08:36:54,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:36:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:36:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:36:54,238 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:36:54,460 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-11-20 08:36:54,765 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-11-20 08:36:55,175 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2019-11-20 08:36:55,351 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-11-20 08:36:55,364 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 08:36:55,365 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 08:36:55,366 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 08:36:55,366 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 08:36:55,366 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 08:36:55,366 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:36:55,367 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 08:36:55,367 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 08:36:55,367 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk_diffterm_alloca.i_Iteration2_Lasso [2019-11-20 08:36:55,368 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 08:36:55,368 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 08:36:55,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:55,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:55,771 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-11-20 08:36:55,976 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-11-20 08:36:55,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:55,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:55,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:55,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:55,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:55,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:55,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:55,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:55,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:56,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:56,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:56,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:56,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:56,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:56,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:56,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:56,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:56,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:56,619 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2019-11-20 08:36:56,733 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 08:36:56,736 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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 [2019-11-20 08:36:56,743 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 [2019-11-20 08:36:56,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:36:56,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:36:56,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:36:56,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:36:56,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:36:56,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:36:56,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:36:56,750 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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) [2019-11-20 08:36:56,769 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 [2019-11-20 08:36:56,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:36:56,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:36:56,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:36:56,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:36:56,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:36:56,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:36:56,798 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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) [2019-11-20 08:36:56,813 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 [2019-11-20 08:36:56,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:36:56,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:36:56,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:36:56,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:36:56,818 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:36:56,818 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:36:56,822 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:36:56,835 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 [2019-11-20 08:36:56,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:36:56,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:36:56,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:36:56,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:36:56,851 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:36:56,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:36:56,863 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 08:36:56,982 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-11-20 08:36:56,982 INFO L444 ModelExtractionUtils]: 7 out of 28 variables were initially zero. Simplification set additionally 18 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:36:57,006 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 08:36:57,008 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 08:36:57,009 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 08:36:57,009 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~sc1~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc215.base)_1) = -1*ULTIMATE.start_cstrpbrk_~sc1~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc215.base)_1 Supporting invariants [] [2019-11-20 08:36:57,043 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2019-11-20 08:36:57,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 08:36:57,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:36:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:36:57,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 08:36:57,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:36:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:36:57,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 08:36:57,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:36:57,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:36:57,175 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 08:36:57,176 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-20 08:36:57,258 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 21 states and 28 transitions. Complement of second has 4 states. [2019-11-20 08:36:57,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 08:36:57,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 08:36:57,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2019-11-20 08:36:57,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2019-11-20 08:36:57,262 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:36:57,263 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2019-11-20 08:36:57,263 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:36:57,263 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2019-11-20 08:36:57,263 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:36:57,264 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2019-11-20 08:36:57,265 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 08:36:57,265 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2019-11-20 08:36:57,266 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-20 08:36:57,268 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-20 08:36:57,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2019-11-20 08:36:57,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 08:36:57,269 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-20 08:36:57,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2019-11-20 08:36:57,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-20 08:36:57,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-20 08:36:57,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2019-11-20 08:36:57,273 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-20 08:36:57,273 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-20 08:36:57,273 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 08:36:57,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2019-11-20 08:36:57,278 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 08:36:57,279 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:36:57,281 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:36:57,283 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:36:57,283 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 08:36:57,284 INFO L794 eck$LassoCheckResult]: Stem: 193#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 186#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217.base, main_#t~ret217.offset, main_~length1~0, main_~length2~0, 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; 187#L382 assume !(main_~length1~0 < 1); 188#L382-2 assume !(main_~length2~0 < 1); 185#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(49, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem207, cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset, cstrpbrk_#t~mem208, cstrpbrk_#t~mem209, cstrpbrk_#t~short210, cstrpbrk_#t~mem212, cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset, cstrpbrk_#t~mem206, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 182#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 184#L369-1 assume !!(49 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 194#L372-5 [2019-11-20 08:36:57,284 INFO L796 eck$LassoCheckResult]: Loop: 194#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 49 != cstrpbrk_#t~mem208; 189#L372-1 assume cstrpbrk_#t~short210;call cstrpbrk_#t~mem209 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := cstrpbrk_#t~mem209 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 190#L372-3 assume !!cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem209;havoc cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208;cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post211.base, 1 + cstrpbrk_#t~post211.offset;havoc cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset; 194#L372-5 [2019-11-20 08:36:57,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:36:57,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2019-11-20 08:36:57,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:36:57,286 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132806493] [2019-11-20 08:36:57,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:36:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:36:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:36:57,327 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:36:57,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:36:57,328 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2019-11-20 08:36:57,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:36:57,328 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404494227] [2019-11-20 08:36:57,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:36:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:36:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:36:57,342 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:36:57,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:36:57,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2019-11-20 08:36:57,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:36:57,343 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51191622] [2019-11-20 08:36:57,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:36:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:36:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:36:57,392 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:36:57,609 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-11-20 08:36:58,050 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 101 [2019-11-20 08:36:58,229 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-11-20 08:36:58,232 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 08:36:58,232 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 08:36:58,232 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 08:36:58,232 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 08:36:58,232 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 08:36:58,232 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:36:58,232 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 08:36:58,233 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 08:36:58,233 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk_diffterm_alloca.i_Iteration3_Lasso [2019-11-20 08:36:58,233 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 08:36:58,233 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 08:36:58,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:58,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:58,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:58,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:58,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:58,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:58,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:58,578 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2019-11-20 08:36:58,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:58,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:58,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:58,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:58,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:58,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:58,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:58,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:58,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:58,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:58,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:58,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:58,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:58,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:36:58,894 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2019-11-20 08:36:59,362 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2019-11-20 08:36:59,479 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 08:36:59,480 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:36:59,490 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 [2019-11-20 08:36:59,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:36:59,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:36:59,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:36:59,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:36:59,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:36:59,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:36:59,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:36:59,493 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:36:59,497 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 [2019-11-20 08:36:59,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:36:59,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:36:59,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:36:59,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:36:59,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:36:59,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:36:59,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:36:59,501 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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 [2019-11-20 08:36:59,510 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 [2019-11-20 08:36:59,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:36:59,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:36:59,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:36:59,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:36:59,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:36:59,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:36:59,522 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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 [2019-11-20 08:36:59,539 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 [2019-11-20 08:36:59,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:36:59,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:36:59,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:36:59,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:36:59,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:36:59,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:36:59,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:36:59,543 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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) [2019-11-20 08:36:59,559 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 [2019-11-20 08:36:59,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:36:59,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:36:59,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:36:59,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:36:59,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:36:59,562 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:36:59,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:36:59,563 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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 [2019-11-20 08:36:59,582 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 [2019-11-20 08:36:59,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:36:59,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:36:59,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:36:59,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:36:59,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:36:59,585 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:36:59,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:36:59,586 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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 [2019-11-20 08:36:59,590 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 [2019-11-20 08:36:59,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:36:59,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:36:59,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:36:59,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:36:59,595 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:36:59,595 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:36:59,600 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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 [2019-11-20 08:36:59,606 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 [2019-11-20 08:36:59,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:36:59,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:36:59,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:36:59,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:36:59,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:36:59,623 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:36:59,642 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 08:36:59,672 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2019-11-20 08:36:59,673 INFO L444 ModelExtractionUtils]: 23 out of 43 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:36:59,675 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 08:36:59,677 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 08:36:59,678 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 08:36:59,678 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_2, ULTIMATE.start_cstrpbrk_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_2 - 1*ULTIMATE.start_cstrpbrk_~s~0.offset Supporting invariants [] [2019-11-20 08:36:59,728 INFO L297 tatePredicateManager]: 16 out of 17 supporting invariants were superfluous and have been removed [2019-11-20 08:36:59,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 08:36:59,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:36:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:36:59,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 08:36:59,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:36:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:36:59,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 08:36:59,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:36:59,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:36:59,827 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-20 08:36:59,828 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand 4 states. [2019-11-20 08:36:59,904 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand 4 states. Result 43 states and 57 transitions. Complement of second has 6 states. [2019-11-20 08:36:59,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 08:36:59,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 08:36:59,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-11-20 08:36:59,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2019-11-20 08:36:59,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:36:59,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2019-11-20 08:36:59,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:36:59,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2019-11-20 08:36:59,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:36:59,908 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2019-11-20 08:36:59,909 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 08:36:59,910 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2019-11-20 08:36:59,910 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-20 08:36:59,910 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 08:36:59,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2019-11-20 08:36:59,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 08:36:59,911 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-11-20 08:36:59,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2019-11-20 08:36:59,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2019-11-20 08:36:59,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-20 08:36:59,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2019-11-20 08:36:59,913 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-11-20 08:36:59,913 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-11-20 08:36:59,913 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 08:36:59,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2019-11-20 08:36:59,917 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 08:36:59,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:36:59,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:36:59,918 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:36:59,918 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 08:36:59,918 INFO L794 eck$LassoCheckResult]: Stem: 382#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 375#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217.base, main_#t~ret217.offset, main_~length1~0, main_~length2~0, 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; 376#L382 assume !(main_~length1~0 < 1); 377#L382-2 assume !(main_~length2~0 < 1); 374#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(49, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem207, cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset, cstrpbrk_#t~mem208, cstrpbrk_#t~mem209, cstrpbrk_#t~short210, cstrpbrk_#t~mem212, cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset, cstrpbrk_#t~mem206, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 370#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 371#L369-1 assume !!(49 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 384#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 49 != cstrpbrk_#t~mem208; 380#L372-1 assume !cstrpbrk_#t~short210; 381#L372-3 assume !cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem209;havoc cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208; 366#L372-6 call cstrpbrk_#t~mem212 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 367#L374 assume !(cstrpbrk_#t~mem212 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem212; 368#L369-3 cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post205.base, 1 + cstrpbrk_#t~post205.offset;havoc cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset; 369#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 373#L369-1 assume !!(49 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 383#L372-5 [2019-11-20 08:36:59,918 INFO L796 eck$LassoCheckResult]: Loop: 383#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 49 != cstrpbrk_#t~mem208; 378#L372-1 assume cstrpbrk_#t~short210;call cstrpbrk_#t~mem209 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := cstrpbrk_#t~mem209 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 379#L372-3 assume !!cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem209;havoc cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208;cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post211.base, 1 + cstrpbrk_#t~post211.offset;havoc cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset; 383#L372-5 [2019-11-20 08:36:59,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:36:59,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2019-11-20 08:36:59,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:36:59,920 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15516737] [2019-11-20 08:36:59,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:36:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:37:00,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:37:00,015 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15516737] [2019-11-20 08:37:00,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:37:00,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 08:37:00,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173481079] [2019-11-20 08:37:00,016 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 08:37:00,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:37:00,016 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2019-11-20 08:37:00,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:37:00,016 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070493014] [2019-11-20 08:37:00,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:37:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:37:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:37:00,026 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:37:00,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:37:00,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 08:37:00,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-20 08:37:00,182 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-11-20 08:37:00,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:37:00,250 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2019-11-20 08:37:00,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 08:37:00,250 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2019-11-20 08:37:00,251 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 08:37:00,252 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2019-11-20 08:37:00,252 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-20 08:37:00,252 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 08:37:00,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2019-11-20 08:37:00,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 08:37:00,252 INFO L688 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-11-20 08:37:00,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2019-11-20 08:37:00,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2019-11-20 08:37:00,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-20 08:37:00,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2019-11-20 08:37:00,255 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-11-20 08:37:00,255 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-11-20 08:37:00,255 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 08:37:00,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2019-11-20 08:37:00,256 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 08:37:00,256 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:37:00,256 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:37:00,257 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:37:00,257 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 08:37:00,257 INFO L794 eck$LassoCheckResult]: Stem: 450#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 447#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217.base, main_#t~ret217.offset, main_~length1~0, main_~length2~0, 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; 448#L382 assume !(main_~length1~0 < 1); 449#L382-2 assume !(main_~length2~0 < 1); 446#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(49, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(49, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem207, cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset, cstrpbrk_#t~mem208, cstrpbrk_#t~mem209, cstrpbrk_#t~short210, cstrpbrk_#t~mem212, cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset, cstrpbrk_#t~mem206, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 442#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 443#L369-1 assume !!(49 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 456#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 49 != cstrpbrk_#t~mem208; 460#L372-1 assume cstrpbrk_#t~short210;call cstrpbrk_#t~mem209 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := cstrpbrk_#t~mem209 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 459#L372-3 assume !cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem209;havoc cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208; 438#L372-6 call cstrpbrk_#t~mem212 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 439#L374 assume !(cstrpbrk_#t~mem212 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem212; 440#L369-3 cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post205.base, 1 + cstrpbrk_#t~post205.offset;havoc cstrpbrk_#t~post205.base, cstrpbrk_#t~post205.offset; 441#L369-4 call cstrpbrk_#t~mem206 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 445#L369-1 assume !!(49 != cstrpbrk_#t~mem206);havoc cstrpbrk_#t~mem206;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem207 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem207;havoc cstrpbrk_#t~mem207; 455#L372-5 [2019-11-20 08:37:00,257 INFO L796 eck$LassoCheckResult]: Loop: 455#L372-5 call cstrpbrk_#t~mem208 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := 49 != cstrpbrk_#t~mem208; 451#L372-1 assume cstrpbrk_#t~short210;call cstrpbrk_#t~mem209 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short210 := cstrpbrk_#t~mem209 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 452#L372-3 assume !!cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem209;havoc cstrpbrk_#t~short210;havoc cstrpbrk_#t~mem208;cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post211.base, 1 + cstrpbrk_#t~post211.offset;havoc cstrpbrk_#t~post211.base, cstrpbrk_#t~post211.offset; 455#L372-5 [2019-11-20 08:37:00,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:37:00,258 INFO L82 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2019-11-20 08:37:00,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:37:00,258 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487647084] [2019-11-20 08:37:00,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:37:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:37:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:37:00,298 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:37:00,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:37:00,299 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2019-11-20 08:37:00,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:37:00,299 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139817582] [2019-11-20 08:37:00,300 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:37:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:37:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:37:00,309 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:37:00,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:37:00,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2019-11-20 08:37:00,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:37:00,310 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491709219] [2019-11-20 08:37:00,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:37:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:37:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:37:00,351 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:37:01,064 WARN L191 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 134 [2019-11-20 08:37:01,960 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2019-11-20 08:37:01,962 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 08:37:01,962 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 08:37:01,962 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 08:37:01,962 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 08:37:01,962 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 08:37:01,962 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:37:01,962 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 08:37:01,962 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 08:37:01,962 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk_diffterm_alloca.i_Iteration5_Lasso [2019-11-20 08:37:01,962 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 08:37:01,962 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 08:37:01,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:37:01,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:37:01,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:37:01,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:37:01,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:37:01,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:37:01,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:37:01,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:37:01,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:37:01,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:37:02,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:37:02,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:37:02,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:37:02,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:37:02,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:37:02,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:37:02,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:37:02,168 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-20 08:37:02,829 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-11-20 08:37:02,984 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-11-20 08:37:02,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:37:02,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:37:02,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 08:37:03,860 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-11-20 08:37:04,042 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2019-11-20 08:37:04,056 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 08:37:04,056 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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) [2019-11-20 08:37:04,066 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 [2019-11-20 08:37:04,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:37:04,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:37:04,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:37:04,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:37:04,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:37:04,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:37:04,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:37:04,070 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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 [2019-11-20 08:37:04,076 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 [2019-11-20 08:37:04,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:37:04,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:37:04,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:37:04,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:37:04,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:37:04,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:37:04,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:37:04,079 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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 [2019-11-20 08:37:04,083 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 [2019-11-20 08:37:04,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:37:04,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:37:04,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:37:04,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:37:04,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:37:04,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:37:04,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:37:04,085 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:37:04,094 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 [2019-11-20 08:37:04,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:37:04,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:37:04,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:37:04,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:37:04,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:37:04,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:37:04,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:37:04,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:37:04,104 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 [2019-11-20 08:37:04,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:37:04,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:37:04,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:37:04,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:37:04,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:37:04,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:37:04,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:37:04,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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 [2019-11-20 08:37:04,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:37:04,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:37:04,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:37:04,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:37:04,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:37:04,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:37:04,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:37:04,124 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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 [2019-11-20 08:37:04,129 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 [2019-11-20 08:37:04,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:37:04,130 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:37:04,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:37:04,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:37:04,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:37:04,131 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:37:04,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:37:04,132 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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 [2019-11-20 08:37:04,141 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 [2019-11-20 08:37:04,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:37:04,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:37:04,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:37:04,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:37:04,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:37:04,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:37:04,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:37:04,144 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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) [2019-11-20 08:37:04,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 08:37:04,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:37:04,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:37:04,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:37:04,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:37:04,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:37:04,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:37:04,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:37:04,163 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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) [2019-11-20 08:37:04,174 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 [2019-11-20 08:37:04,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:37:04,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:37:04,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:37:04,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:37:04,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:37:04,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:37:04,181 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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 [2019-11-20 08:37:04,192 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 [2019-11-20 08:37:04,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:37:04,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:37:04,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:37:04,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:37:04,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:37:04,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:37:04,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:37:04,195 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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) [2019-11-20 08:37:04,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:37:04,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:37:04,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:37:04,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:37:04,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:37:04,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:37:04,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:37:04,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:37:04,202 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:37:04,206 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 [2019-11-20 08:37:04,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:37:04,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:37:04,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:37:04,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:37:04,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:37:04,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:37:04,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:37:04,209 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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 [2019-11-20 08:37:04,213 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 [2019-11-20 08:37:04,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:37:04,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:37:04,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:37:04,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:37:04,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:37:04,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:37:04,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:37:04,217 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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 [2019-11-20 08:37:04,221 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 [2019-11-20 08:37:04,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:37:04,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:37:04,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:37:04,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:37:04,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:37:04,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:37:04,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:37:04,224 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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) [2019-11-20 08:37:04,235 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 [2019-11-20 08:37:04,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:37:04,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 08:37:04,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:37:04,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:37:04,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:37:04,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 08:37:04,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 08:37:04,238 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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 [2019-11-20 08:37:04,243 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 [2019-11-20 08:37:04,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 08:37:04,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 08:37:04,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 08:37:04,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 08:37:04,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 08:37:04,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 08:37:04,294 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 08:37:04,369 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2019-11-20 08:37:04,369 INFO L444 ModelExtractionUtils]: 28 out of 52 variables were initially zero. Simplification set additionally 21 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46fc8efb-f562-43a4-8dd3-1505346f23c0/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) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 08:37:04,372 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 08:37:04,374 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 08:37:04,374 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 08:37:04,374 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~s~0.offset, v_rep(select #length ULTIMATE.start_cstrpbrk_~s~0.base)_3) = -1*ULTIMATE.start_cstrpbrk_~s~0.offset + 1*v_rep(select #length ULTIMATE.start_cstrpbrk_~s~0.base)_3 Supporting invariants [] [2019-11-20 08:37:04,456 INFO L297 tatePredicateManager]: 26 out of 26 supporting invariants were superfluous and have been removed [2019-11-20 08:37:04,457 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 08:37:04,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:37:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:37:04,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 08:37:04,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:37:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:37:04,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 08:37:04,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:37:04,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:37:04,508 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 08:37:04,508 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 3 states. [2019-11-20 08:37:04,532 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand 3 states. Result 41 states and 51 transitions. Complement of second has 5 states. [2019-11-20 08:37:04,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 08:37:04,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 08:37:04,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2019-11-20 08:37:04,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-20 08:37:04,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:37:04,536 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 08:37:04,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:37:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:37:04,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 08:37:04,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:37:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:37:04,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 08:37:04,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:37:04,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:37:04,591 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 08:37:04,591 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 3 states. [2019-11-20 08:37:04,609 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand 3 states. Result 41 states and 51 transitions. Complement of second has 5 states. [2019-11-20 08:37:04,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 08:37:04,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 08:37:04,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2019-11-20 08:37:04,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-20 08:37:04,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:37:04,611 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 08:37:04,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:37:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:37:04,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 08:37:04,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:37:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:37:04,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 08:37:04,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 08:37:04,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:37:04,661 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 08:37:04,661 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 3 states. [2019-11-20 08:37:04,679 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand 3 states. Result 41 states and 53 transitions. Complement of second has 4 states. [2019-11-20 08:37:04,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 08:37:04,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 08:37:04,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2019-11-20 08:37:04,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-20 08:37:04,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:37:04,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2019-11-20 08:37:04,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:37:04,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2019-11-20 08:37:04,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 08:37:04,681 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2019-11-20 08:37:04,685 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 08:37:04,685 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2019-11-20 08:37:04,685 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 08:37:04,685 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 08:37:04,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 08:37:04,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 08:37:04,686 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 08:37:04,686 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 08:37:04,686 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 08:37:04,686 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 08:37:04,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 08:37:04,687 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 08:37:04,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 08:37:04,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 08:37:04 BoogieIcfgContainer [2019-11-20 08:37:04,693 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 08:37:04,694 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 08:37:04,694 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 08:37:04,694 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 08:37:04,695 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:36:53" (3/4) ... [2019-11-20 08:37:04,698 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 08:37:04,698 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 08:37:04,700 INFO L168 Benchmark]: Toolchain (without parser) took 11925.85 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 372.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -197.4 MB). Peak memory consumption was 174.8 MB. Max. memory is 11.5 GB. [2019-11-20 08:37:04,700 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:37:04,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-20 08:37:04,702 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.37 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 08:37:04,702 INFO L168 Benchmark]: Boogie Preprocessor took 28.20 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. [2019-11-20 08:37:04,703 INFO L168 Benchmark]: RCFGBuilder took 339.13 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: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-11-20 08:37:04,704 INFO L168 Benchmark]: BuchiAutomizer took 10946.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 240.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -56.8 MB). Peak memory consumption was 183.8 MB. Max. memory is 11.5 GB. [2019-11-20 08:37:04,704 INFO L168 Benchmark]: Witness Printer took 4.67 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:37:04,708 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 568.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.37 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.20 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 339.13 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: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 10946.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 240.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -56.8 MB). Peak memory consumption was 183.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.67 ms. Allocated memory is still 1.4 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 - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * sc1 + unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length2 * sizeof(char))] + -1 * s and consists of 4 locations. One nondeterministic module has affine ranking function -1 * s + unknown-#length-unknown[s] and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.9s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 10.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 108 SDtfs, 104 SDslu, 57 SDs, 0 SdLazy, 98 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital369 mio100 ax100 hnf99 lsp91 ukn71 mio100 lsp31 div130 bol100 ite100 ukn100 eq166 hnf78 smp87 dnf732 smp32 tf100 neg95 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 10 VariablesLoop: 6 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...