./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/stroeder2-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/stroeder2-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/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 6b0415ceba0811795bdd9d25bfbda379c533d6bc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:24:37,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:24:37,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:24:37,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:24:37,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:24:37,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:24:37,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:24:37,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:24:37,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:24:37,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:24:37,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:24:37,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:24:37,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:24:37,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:24:37,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:24:37,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:24:37,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:24:37,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:24:37,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:24:37,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:24:37,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:24:37,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:24:37,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:24:37,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:24:37,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:24:37,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:24:37,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:24:37,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:24:37,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:24:37,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:24:37,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:24:37,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:24:37,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:24:37,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:24:37,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:24:37,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:24:37,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:24:37,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:24:37,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:24:37,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:24:37,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:24:37,468 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 10:24:37,478 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:24:37,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:24:37,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:24:37,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:24:37,480 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:24:37,480 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 10:24:37,480 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 10:24:37,480 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 10:24:37,480 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 10:24:37,480 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 10:24:37,480 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 10:24:37,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:24:37,481 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 10:24:37,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:24:37,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:24:37,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 10:24:37,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 10:24:37,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 10:24:37,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:24:37,482 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 10:24:37,482 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:24:37,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 10:24:37,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:24:37,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:24:37,482 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 10:24:37,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:24:37,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:24:37,482 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:24:37,483 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 10:24:37,483 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 10:24:37,483 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_baf49fb3-7f46-4634-9acc-f42e5d262c9d/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 -> 6b0415ceba0811795bdd9d25bfbda379c533d6bc [2019-12-07 10:24:37,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:24:37,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:24:37,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:24:37,599 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:24:37,599 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:24:37,600 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/stroeder2-alloca-2.i [2019-12-07 10:24:37,642 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/data/f055d3657/f58e39a88d624bc4b0133c5531223c4c/FLAGc737478f7 [2019-12-07 10:24:38,076 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:24:38,077 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/sv-benchmarks/c/termination-memory-alloca/stroeder2-alloca-2.i [2019-12-07 10:24:38,084 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/data/f055d3657/f58e39a88d624bc4b0133c5531223c4c/FLAGc737478f7 [2019-12-07 10:24:38,093 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/data/f055d3657/f58e39a88d624bc4b0133c5531223c4c [2019-12-07 10:24:38,095 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:24:38,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:24:38,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:24:38,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:24:38,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:24:38,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:24:38" (1/1) ... [2019-12-07 10:24:38,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47a25c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:38, skipping insertion in model container [2019-12-07 10:24:38,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:24:38" (1/1) ... [2019-12-07 10:24:38,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:24:38,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:24:38,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:24:38,361 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:24:38,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:24:38,417 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:24:38,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:38 WrapperNode [2019-12-07 10:24:38,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:24:38,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:24:38,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:24:38,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:24:38,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:38" (1/1) ... [2019-12-07 10:24:38,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:38" (1/1) ... [2019-12-07 10:24:38,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:24:38,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:24:38,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:24:38,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:24:38,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:38" (1/1) ... [2019-12-07 10:24:38,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:38" (1/1) ... [2019-12-07 10:24:38,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:38" (1/1) ... [2019-12-07 10:24:38,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:38" (1/1) ... [2019-12-07 10:24:38,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:38" (1/1) ... [2019-12-07 10:24:38,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:38" (1/1) ... [2019-12-07 10:24:38,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:38" (1/1) ... [2019-12-07 10:24:38,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:24:38,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:24:38,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:24:38,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:24:38,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:24:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 10:24:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 10:24:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:24:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:24:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:24:38,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:24:38,637 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:24:38,637 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 10:24:38,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:24:38 BoogieIcfgContainer [2019-12-07 10:24:38,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:24:38,638 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 10:24:38,638 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 10:24:38,641 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 10:24:38,641 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:24:38,641 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 10:24:38" (1/3) ... [2019-12-07 10:24:38,642 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d8e8c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:24:38, skipping insertion in model container [2019-12-07 10:24:38,642 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:24:38,642 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:24:38" (2/3) ... [2019-12-07 10:24:38,642 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d8e8c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:24:38, skipping insertion in model container [2019-12-07 10:24:38,643 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:24:38,643 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:24:38" (3/3) ... [2019-12-07 10:24:38,644 INFO L371 chiAutomizerObserver]: Analyzing ICFG stroeder2-alloca-2.i [2019-12-07 10:24:38,677 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 10:24:38,677 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 10:24:38,677 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 10:24:38,677 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:24:38,678 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:24:38,678 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 10:24:38,678 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:24:38,678 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 10:24:38,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-12-07 10:24:38,703 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 10:24:38,703 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:24:38,703 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:24:38,708 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 10:24:38,708 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 10:24:38,708 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 10:24:38,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-12-07 10:24:38,709 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 10:24:38,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:24:38,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:24:38,709 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 10:24:38,709 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 10:24:38,714 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 6#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 7#L564true assume !(main_~array_size~0 < 1); 10#L564-2true call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~post4, sumOfThirdBytes_#t~mem5, sumOfThirdBytes_#t~post6, sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 15#L552-3true [2019-12-07 10:24:38,715 INFO L796 eck$LassoCheckResult]: Loop: 15#L552-3true assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset; 9#L555-3true assume !true; 12#L552-2true sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 15#L552-3true [2019-12-07 10:24:38,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:24:38,719 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-12-07 10:24:38,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:24:38,725 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020963227] [2019-12-07 10:24:38,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:24:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:24:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:24:38,817 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:24:38,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:24:38,818 INFO L82 PathProgramCache]: Analyzing trace with hash 47058, now seen corresponding path program 1 times [2019-12-07 10:24:38,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:24:38,818 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820532807] [2019-12-07 10:24:38,818 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:24:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:24:38,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:24:38,839 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820532807] [2019-12-07 10:24:38,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:24:38,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:24:38,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535971082] [2019-12-07 10:24:38,844 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 10:24:38,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:24:38,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:24:38,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:24:38,859 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2019-12-07 10:24:38,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:24:38,863 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2019-12-07 10:24:38,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:24:38,864 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 15 transitions. [2019-12-07 10:24:38,865 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 10:24:38,867 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 8 states and 10 transitions. [2019-12-07 10:24:38,868 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-12-07 10:24:38,868 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-12-07 10:24:38,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2019-12-07 10:24:38,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 10:24:38,869 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-12-07 10:24:38,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2019-12-07 10:24:38,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-12-07 10:24:38,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-12-07 10:24:38,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2019-12-07 10:24:38,886 INFO L711 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-12-07 10:24:38,886 INFO L591 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-12-07 10:24:38,886 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 10:24:38,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2019-12-07 10:24:38,887 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 10:24:38,887 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:24:38,887 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:24:38,887 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 10:24:38,887 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 10:24:38,887 INFO L794 eck$LassoCheckResult]: Stem: 37#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 34#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 35#L564 assume !(main_~array_size~0 < 1); 36#L564-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~post4, sumOfThirdBytes_#t~mem5, sumOfThirdBytes_#t~post6, sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 40#L552-3 [2019-12-07 10:24:38,888 INFO L796 eck$LassoCheckResult]: Loop: 40#L552-3 assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset; 38#L555-3 call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1); 39#L555-1 assume !(sumOfThirdBytes_#t~mem3 > 0);havoc sumOfThirdBytes_#t~mem3; 41#L552-2 sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 40#L552-3 [2019-12-07 10:24:38,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:24:38,888 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2019-12-07 10:24:38,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:24:38,888 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977742486] [2019-12-07 10:24:38,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:24:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:24:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:24:38,904 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:24:38,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:24:38,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1451916, now seen corresponding path program 1 times [2019-12-07 10:24:38,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:24:38,904 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571843374] [2019-12-07 10:24:38,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:24:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:24:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:24:38,919 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:24:38,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:24:38,919 INFO L82 PathProgramCache]: Analyzing trace with hash 176797040, now seen corresponding path program 1 times [2019-12-07 10:24:38,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:24:38,919 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148211525] [2019-12-07 10:24:38,919 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:24:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:24:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:24:38,952 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:24:39,142 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:24:39,143 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:24:39,143 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:24:39,143 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:24:39,143 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:24:39,143 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:24:39,143 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:24:39,143 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:24:39,143 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder2-alloca-2.i_Iteration2_Lasso [2019-12-07 10:24:39,143 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:24:39,143 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:24:39,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,427 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:24:39,430 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/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 [2019-12-07 10:24:39,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:39,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:39,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:24:39,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:39,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:39,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:39,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:24:39,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:24:39,440 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:24:39,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:39,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:39,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:39,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:39,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:39,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:24:39,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:24:39,451 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:24:39,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:39,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:39,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:24:39,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:39,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:39,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:39,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:24:39,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:24:39,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:24:39,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:39,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:39,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:39,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:39,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:39,465 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:24:39,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:24:39,468 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:24:39,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:39,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:39,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:39,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:39,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:39,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:24:39,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:24:39,498 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:24:39,527 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2019-12-07 10:24:39,527 INFO L444 ModelExtractionUtils]: 27 out of 37 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:24:39,535 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:24:39,538 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 10:24:39,538 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:24:39,539 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sumOfThirdBytes_~array_size, ULTIMATE.start_sumOfThirdBytes_~i~0) = 1*ULTIMATE.start_sumOfThirdBytes_~array_size - 1*ULTIMATE.start_sumOfThirdBytes_~i~0 Supporting invariants [] [2019-12-07 10:24:39,546 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2019-12-07 10:24:39,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:24:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:24:39,581 INFO L264 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:24:39,583 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:24:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:24:39,594 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 10:24:39,594 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:24:39,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:24:39,608 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 10:24:39,609 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand 3 states. [2019-12-07 10:24:39,635 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3. Second operand 3 states. Result 13 states and 17 transitions. Complement of second has 4 states. [2019-12-07 10:24:39,636 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 [2019-12-07 10:24:39,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 10:24:39,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2019-12-07 10:24:39,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 4 letters. Loop has 4 letters. [2019-12-07 10:24:39,639 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:24:39,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 8 letters. Loop has 4 letters. [2019-12-07 10:24:39,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:24:39,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 4 letters. Loop has 8 letters. [2019-12-07 10:24:39,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:24:39,641 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 17 transitions. [2019-12-07 10:24:39,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 10:24:39,642 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 12 states and 16 transitions. [2019-12-07 10:24:39,642 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-12-07 10:24:39,642 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-12-07 10:24:39,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2019-12-07 10:24:39,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:24:39,643 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-12-07 10:24:39,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2019-12-07 10:24:39,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2019-12-07 10:24:39,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-07 10:24:39,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2019-12-07 10:24:39,645 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-12-07 10:24:39,645 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-12-07 10:24:39,645 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 10:24:39,645 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2019-12-07 10:24:39,646 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 10:24:39,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:24:39,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:24:39,646 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 10:24:39,646 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 10:24:39,647 INFO L794 eck$LassoCheckResult]: Stem: 106#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 103#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 104#L564 assume !(main_~array_size~0 < 1); 105#L564-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~post4, sumOfThirdBytes_#t~mem5, sumOfThirdBytes_#t~post6, sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 111#L552-3 assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset; 107#L555-3 [2019-12-07 10:24:39,647 INFO L796 eck$LassoCheckResult]: Loop: 107#L555-3 call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1); 108#L555-1 assume !!(sumOfThirdBytes_#t~mem3 > 0);havoc sumOfThirdBytes_#t~mem3;sumOfThirdBytes_#t~post4 := sumOfThirdBytes_~sum~0;sumOfThirdBytes_~sum~0 := 1 + sumOfThirdBytes_#t~post4;havoc sumOfThirdBytes_#t~post4;call sumOfThirdBytes_#t~mem5 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);sumOfThirdBytes_#t~post6 := sumOfThirdBytes_#t~mem5;call write~int(sumOfThirdBytes_#t~post6 - 1, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);havoc sumOfThirdBytes_#t~mem5;havoc sumOfThirdBytes_#t~post6; 107#L555-3 [2019-12-07 10:24:39,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:24:39,647 INFO L82 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2019-12-07 10:24:39,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:24:39,648 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026620118] [2019-12-07 10:24:39,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:24:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:24:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:24:39,668 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:24:39,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:24:39,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1670, now seen corresponding path program 1 times [2019-12-07 10:24:39,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:24:39,669 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622002187] [2019-12-07 10:24:39,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:24:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:24:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:24:39,678 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:24:39,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:24:39,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1806818449, now seen corresponding path program 1 times [2019-12-07 10:24:39,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:24:39,679 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924207442] [2019-12-07 10:24:39,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:24:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:24:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:24:39,698 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:24:39,859 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:24:39,859 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:24:39,859 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:24:39,859 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:24:39,860 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:24:39,860 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:24:39,860 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:24:39,860 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:24:39,860 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder2-alloca-2.i_Iteration3_Lasso [2019-12-07 10:24:39,860 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:24:39,860 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:24:39,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:39,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:40,152 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:24:40,153 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:24:40,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:40,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:40,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:24:40,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:40,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:40,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:40,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:24:40,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:24:40,159 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:24:40,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:40,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:40,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:24:40,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:40,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:40,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:40,168 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:24:40,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:24:40,169 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:24:40,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:40,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:40,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:24:40,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:40,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:40,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:40,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:24:40,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:24:40,176 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:24:40,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:40,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:40,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:40,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:40,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:40,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:24:40,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:24:40,185 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:24:40,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:40,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:40,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:24:40,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:40,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:40,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:40,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:24:40,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:24:40,192 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:24:40,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:40,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:40,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:40,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:40,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:40,199 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:24:40,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:24:40,202 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:24:40,206 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 [2019-12-07 10:24:40,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:40,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:24:40,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:40,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:40,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:40,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:24:40,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:24:40,209 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:24:40,213 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 [2019-12-07 10:24:40,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:40,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:24:40,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:40,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:40,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:40,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:24:40,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:24:40,216 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:24:40,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:40,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:40,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:40,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:40,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:40,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:24:40,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:24:40,225 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/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 [2019-12-07 10:24:40,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:40,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:40,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:24:40,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:40,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:40,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:40,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:24:40,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:24:40,232 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/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 [2019-12-07 10:24:40,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:40,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:40,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:40,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:40,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:40,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:24:40,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:24:40,247 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/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 [2019-12-07 10:24:40,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:40,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:40,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:24:40,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:40,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:40,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:40,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:24:40,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:24:40,258 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:24:40,261 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 10:24:40,261 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/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 [2019-12-07 10:24:40,267 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:24:40,267 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 10:24:40,267 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:24:40,267 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0.base) ULTIMATE.start_sumOfThirdBytes_~p~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0.base) ULTIMATE.start_sumOfThirdBytes_~p~0.offset)_2 Supporting invariants [] [2019-12-07 10:24:40,276 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-12-07 10:24:40,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 10:24:40,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:24:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:24:40,297 INFO L264 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:24:40,297 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:24:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:24:40,302 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:24:40,302 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:24:40,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:24:40,311 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 10:24:40,311 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-12-07 10:24:40,324 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 22 states and 29 transitions. Complement of second has 7 states. [2019-12-07 10:24:40,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 10:24:40,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 10:24:40,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2019-12-07 10:24:40,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. [2019-12-07 10:24:40,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:24:40,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 7 letters. Loop has 2 letters. [2019-12-07 10:24:40,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:24:40,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 5 letters. Loop has 4 letters. [2019-12-07 10:24:40,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:24:40,326 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 29 transitions. [2019-12-07 10:24:40,327 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 10:24:40,327 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 16 states and 21 transitions. [2019-12-07 10:24:40,328 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-12-07 10:24:40,328 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-12-07 10:24:40,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2019-12-07 10:24:40,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:24:40,328 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-12-07 10:24:40,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2019-12-07 10:24:40,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2019-12-07 10:24:40,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-12-07 10:24:40,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2019-12-07 10:24:40,330 INFO L711 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2019-12-07 10:24:40,330 INFO L591 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2019-12-07 10:24:40,330 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 10:24:40,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2019-12-07 10:24:40,331 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 10:24:40,331 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:24:40,331 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:24:40,331 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:24:40,331 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 10:24:40,331 INFO L794 eck$LassoCheckResult]: Stem: 196#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 193#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 194#L564 assume !(main_~array_size~0 < 1); 195#L564-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~post4, sumOfThirdBytes_#t~mem5, sumOfThirdBytes_#t~post6, sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 201#L552-3 assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset; 204#L555-3 call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1); 205#L555-1 assume !(sumOfThirdBytes_#t~mem3 > 0);havoc sumOfThirdBytes_#t~mem3; 202#L552-2 sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 203#L552-3 assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset; 197#L555-3 [2019-12-07 10:24:40,332 INFO L796 eck$LassoCheckResult]: Loop: 197#L555-3 call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1); 198#L555-1 assume !!(sumOfThirdBytes_#t~mem3 > 0);havoc sumOfThirdBytes_#t~mem3;sumOfThirdBytes_#t~post4 := sumOfThirdBytes_~sum~0;sumOfThirdBytes_~sum~0 := 1 + sumOfThirdBytes_#t~post4;havoc sumOfThirdBytes_#t~post4;call sumOfThirdBytes_#t~mem5 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);sumOfThirdBytes_#t~post6 := sumOfThirdBytes_#t~mem5;call write~int(sumOfThirdBytes_#t~post6 - 1, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);havoc sumOfThirdBytes_#t~mem5;havoc sumOfThirdBytes_#t~post6; 197#L555-3 [2019-12-07 10:24:40,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:24:40,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1185740961, now seen corresponding path program 2 times [2019-12-07 10:24:40,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:24:40,332 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475387013] [2019-12-07 10:24:40,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:24:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:24:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:24:40,355 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:24:40,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:24:40,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1670, now seen corresponding path program 2 times [2019-12-07 10:24:40,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:24:40,356 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100967526] [2019-12-07 10:24:40,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:24:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:24:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:24:40,364 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:24:40,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:24:40,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1330730790, now seen corresponding path program 1 times [2019-12-07 10:24:40,365 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:24:40,365 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068078529] [2019-12-07 10:24:40,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:24:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:24:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:24:40,392 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:24:40,536 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-12-07 10:24:40,581 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:24:40,581 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:24:40,581 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:24:40,581 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:24:40,582 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:24:40,582 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:24:40,582 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:24:40,582 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:24:40,582 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder2-alloca-2.i_Iteration4_Lasso [2019-12-07 10:24:40,582 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:24:40,582 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:24:40,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:40,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:40,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:40,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:40,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:40,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:40,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:40,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:40,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:40,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:40,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:40,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:40,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:40,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:40,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:40,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:24:40,884 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:24:40,884 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/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 [2019-12-07 10:24:40,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:40,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:40,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:24:40,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:40,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:40,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:40,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:24:40,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:24:40,890 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/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 [2019-12-07 10:24:40,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:40,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:40,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:40,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:40,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:40,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:24:40,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:24:40,899 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/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 [2019-12-07 10:24:40,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:40,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:40,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:24:40,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:40,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:40,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:40,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:24:40,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:24:40,906 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:24:40,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:40,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:40,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:40,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:40,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:40,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:24:40,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:24:40,918 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:24:40,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:40,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:40,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:24:40,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:40,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:40,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:40,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:24:40,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:24:40,925 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/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 [2019-12-07 10:24:40,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:40,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:40,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:24:40,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:40,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:40,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:40,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:24:40,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:24:40,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:24:40,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:40,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:40,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:40,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:40,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:40,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:24:40,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:24:40,943 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/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 [2019-12-07 10:24:40,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:40,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:40,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:40,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:40,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:40,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:24:40,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:24:40,961 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/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 [2019-12-07 10:24:40,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:24:40,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:24:40,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:24:40,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:24:40,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:24:40,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:24:40,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:24:40,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:24:40,968 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:24:40,970 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 10:24:40,970 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_baf49fb3-7f46-4634-9acc-f42e5d262c9d/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 [2019-12-07 10:24:40,973 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:24:40,973 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 10:24:40,973 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:24:40,973 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0.base) ULTIMATE.start_sumOfThirdBytes_~p~0.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0.base) ULTIMATE.start_sumOfThirdBytes_~p~0.offset)_3 Supporting invariants [] [2019-12-07 10:24:40,985 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2019-12-07 10:24:40,986 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 10:24:40,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:24:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:24:41,002 INFO L264 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:24:41,002 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:24:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:24:41,006 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:24:41,006 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:24:41,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:24:41,013 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 10:24:41,014 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand 3 states. [2019-12-07 10:24:41,024 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 20 states and 25 transitions. Complement of second has 7 states. [2019-12-07 10:24:41,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 10:24:41,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 10:24:41,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2019-12-07 10:24:41,024 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 9 letters. Loop has 2 letters. [2019-12-07 10:24:41,025 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:24:41,025 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 10:24:41,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:24:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:24:41,039 INFO L264 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:24:41,040 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:24:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:24:41,044 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:24:41,044 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:24:41,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:24:41,052 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 [2019-12-07 10:24:41,052 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand 3 states. [2019-12-07 10:24:41,061 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 20 states and 25 transitions. Complement of second has 7 states. [2019-12-07 10:24:41,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 10:24:41,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 10:24:41,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2019-12-07 10:24:41,062 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 9 letters. Loop has 2 letters. [2019-12-07 10:24:41,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:24:41,062 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 10:24:41,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:24:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:24:41,077 INFO L264 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:24:41,077 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:24:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:24:41,081 INFO L264 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:24:41,081 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:24:41,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:24:41,089 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 [2019-12-07 10:24:41,089 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand 3 states. [2019-12-07 10:24:41,101 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 21 states and 27 transitions. Complement of second has 6 states. [2019-12-07 10:24:41,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 10:24:41,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 10:24:41,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2019-12-07 10:24:41,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 9 letters. Loop has 2 letters. [2019-12-07 10:24:41,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:24:41,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 2 letters. [2019-12-07 10:24:41,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:24:41,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 9 letters. Loop has 4 letters. [2019-12-07 10:24:41,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:24:41,103 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2019-12-07 10:24:41,104 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 10:24:41,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2019-12-07 10:24:41,104 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 10:24:41,104 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 10:24:41,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 10:24:41,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 10:24:41,104 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:24:41,104 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:24:41,104 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:24:41,105 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 10:24:41,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:24:41,105 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 10:24:41,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 10:24:41,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 10:24:41 BoogieIcfgContainer [2019-12-07 10:24:41,109 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 10:24:41,109 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:24:41,109 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:24:41,109 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:24:41,109 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:24:38" (3/4) ... [2019-12-07 10:24:41,112 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 10:24:41,112 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:24:41,113 INFO L168 Benchmark]: Toolchain (without parser) took 3016.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 946.1 MB in the beginning and 1.0 GB in the end (delta: -96.1 MB). Peak memory consumption was 71.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:24:41,113 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:24:41,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -156.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:24:41,114 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:24:41,114 INFO L168 Benchmark]: Boogie Preprocessor took 16.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:24:41,114 INFO L168 Benchmark]: RCFGBuilder took 174.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:24:41,115 INFO L168 Benchmark]: BuchiAutomizer took 2470.43 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 54.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.0 MB). Peak memory consumption was 87.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:24:41,115 INFO L168 Benchmark]: Witness Printer took 2.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:24:41,117 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 321.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -156.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 174.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2470.43 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 54.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.0 MB). Peak memory consumption was 87.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function array_size + -1 * i and consists of 3 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[p][p] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[p][p] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 59 SDtfs, 44 SDslu, 10 SDs, 0 SdLazy, 32 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital130 mio100 ax113 hnf99 lsp79 ukn82 mio100 lsp56 div100 bol100 ite100 ukn100 eq193 hnf89 smp100 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...