./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.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_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 72925b65ef321f719f00e79529e35268c3f3eaa3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:11:16,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:11:16,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:11:16,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:11:16,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:11:16,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:11:16,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:11:16,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:11:16,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:11:16,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:11:16,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:11:16,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:11:16,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:11:16,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:11:16,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:11:16,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:11:16,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:11:16,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:11:16,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:11:16,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:11:16,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:11:16,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:11:16,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:11:16,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:11:16,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:11:16,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:11:16,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:11:16,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:11:16,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:11:16,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:11:16,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:11:16,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:11:16,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:11:16,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:11:16,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:11:16,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:11:16,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:11:16,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:11:16,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:11:16,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:11:16,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:11:16,480 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 10:11:16,490 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:11:16,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:11:16,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:11:16,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:11:16,491 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:11:16,491 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 10:11:16,492 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 10:11:16,492 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 10:11:16,492 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 10:11:16,492 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 10:11:16,492 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 10:11:16,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:11:16,492 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 10:11:16,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:11:16,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:11:16,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 10:11:16,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 10:11:16,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 10:11:16,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:11:16,493 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 10:11:16,493 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:11:16,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 10:11:16,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:11:16,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:11:16,493 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 10:11:16,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:11:16,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:11:16,494 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:11:16,494 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 10:11:16,494 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 10:11:16,495 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_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 -> 72925b65ef321f719f00e79529e35268c3f3eaa3 [2019-12-07 10:11:16,597 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:11:16,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:11:16,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:11:16,611 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:11:16,611 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:11:16,612 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i [2019-12-07 10:11:16,655 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/data/496b6ac6b/fe9e436e8c674356a175fc87ea8003db/FLAGc0501d3c8 [2019-12-07 10:11:17,124 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:11:17,124 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i [2019-12-07 10:11:17,132 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/data/496b6ac6b/fe9e436e8c674356a175fc87ea8003db/FLAGc0501d3c8 [2019-12-07 10:11:17,141 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/data/496b6ac6b/fe9e436e8c674356a175fc87ea8003db [2019-12-07 10:11:17,143 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:11:17,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:11:17,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:11:17,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:11:17,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:11:17,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:11:17" (1/1) ... [2019-12-07 10:11:17,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f0f8ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:11:17, skipping insertion in model container [2019-12-07 10:11:17,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:11:17" (1/1) ... [2019-12-07 10:11:17,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:11:17,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:11:17,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:11:17,403 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:11:17,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:11:17,459 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:11:17,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:11:17 WrapperNode [2019-12-07 10:11:17,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:11:17,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:11:17,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:11:17,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:11:17,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:11:17" (1/1) ... [2019-12-07 10:11:17,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:11:17" (1/1) ... [2019-12-07 10:11:17,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:11:17,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:11:17,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:11:17,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:11:17,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:11:17" (1/1) ... [2019-12-07 10:11:17,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:11:17" (1/1) ... [2019-12-07 10:11:17,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:11:17" (1/1) ... [2019-12-07 10:11:17,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:11:17" (1/1) ... [2019-12-07 10:11:17,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:11:17" (1/1) ... [2019-12-07 10:11:17,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:11:17" (1/1) ... [2019-12-07 10:11:17,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:11:17" (1/1) ... [2019-12-07 10:11:17,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:11:17,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:11:17,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:11:17,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:11:17,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:11:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:17,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 10:11:17,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 10:11:17,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:11:17,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:11:17,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:11:17,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:11:17,718 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:11:17,718 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 10:11:17,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:11:17 BoogieIcfgContainer [2019-12-07 10:11:17,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:11:17,719 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 10:11:17,719 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 10:11:17,722 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 10:11:17,722 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:11:17,722 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 10:11:17" (1/3) ... [2019-12-07 10:11:17,723 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70b4c405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:11:17, skipping insertion in model container [2019-12-07 10:11:17,723 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:11:17,723 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:11:17" (2/3) ... [2019-12-07 10:11:17,723 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70b4c405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:11:17, skipping insertion in model container [2019-12-07 10:11:17,723 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:11:17,723 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:11:17" (3/3) ... [2019-12-07 10:11:17,724 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.13-alloca.i [2019-12-07 10:11:17,752 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 10:11:17,752 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 10:11:17,753 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 10:11:17,753 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:11:17,753 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:11:17,753 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 10:11:17,753 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:11:17,753 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 10:11:17,761 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-12-07 10:11:17,775 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 10:11:17,775 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:11:17,775 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:11:17,780 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 10:11:17,780 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 10:11:17,780 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 10:11:17,780 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-12-07 10:11:17,781 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 10:11:17,781 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:11:17,781 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:11:17,781 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 10:11:17,781 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 10:11:17,786 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 14#L561-2true [2019-12-07 10:11:17,786 INFO L796 eck$LassoCheckResult]: Loop: 14#L561-2true call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 8#L557-1true assume test_fun_#t~short10; 12#L557-3true assume !!test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~mem6;havoc test_fun_#t~short10;havoc test_fun_#t~mem7;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 4#L558true assume test_fun_#t~mem11 > test_fun_#t~mem12;havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem13 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem13 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem13; 14#L561-2true [2019-12-07 10:11:17,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:11:17,790 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-12-07 10:11:17,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:11:17,796 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729822513] [2019-12-07 10:11:17,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:11:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:17,926 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:11:17,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:11:17,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 1 times [2019-12-07 10:11:17,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:11:17,927 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154756177] [2019-12-07 10:11:17,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:11:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:17,943 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:11:17,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:11:17,944 INFO L82 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2019-12-07 10:11:17,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:11:17,945 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095703551] [2019-12-07 10:11:17,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:11:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:17,991 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:11:18,488 WARN L192 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 103 [2019-12-07 10:11:18,667 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-12-07 10:11:18,676 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:11:18,677 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:11:18,677 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:11:18,677 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:11:18,677 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:11:18,677 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:11:18,677 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:11:18,677 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:11:18,677 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.13-alloca.i_Iteration1_Lasso [2019-12-07 10:11:18,678 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:11:18,678 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:11:18,695 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 10:11:18,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:11:18,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:11:18,703 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 10:11:18,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:11:18,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:11:18,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:11:18,710 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 10:11:18,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:11:18,713 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 10:11:18,715 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 10:11:18,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:11:18,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:11:18,720 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 10:11:18,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:11:18,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:11:18,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:11:19,100 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 89 [2019-12-07 10:11:19,189 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 10:11:19,191 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 10:11:19,193 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 10:11:19,194 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 10:11:19,195 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 10:11:19,557 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:11:19,560 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,564 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 10:11:19,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:19,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:19,573 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,577 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 10:11:19,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:11:19,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:11:19,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:11:19,581 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,585 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 10:11:19,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:11:19,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:11:19,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:11:19,588 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,592 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 10:11:19,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:11:19,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,594 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:11:19,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:11:19,595 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,599 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 10:11:19,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:11:19,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:11:19,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:11:19,602 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:11:19,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:11:19,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:11:19,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:11:19,609 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,612 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 10:11:19,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,615 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:19,615 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:19,618 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,622 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 10:11:19,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:11:19,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:11:19,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:11:19,625 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,629 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 10:11:19,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:11:19,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,631 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:11:19,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:11:19,632 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,636 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 10:11:19,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:19,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:19,642 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,646 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 10:11:19,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:19,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:19,652 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,656 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 10:11:19,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:11:19,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:11:19,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:11:19,658 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,662 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 10:11:19,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:11:19,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:11:19,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:11:19,665 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,669 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 10:11:19,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:11:19,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:11:19,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:11:19,672 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,675 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 10:11:19,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:11:19,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:11:19,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:11:19,678 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,682 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 10:11:19,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:11:19,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:11:19,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:11:19,685 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,689 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 10:11:19,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:19,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:19,694 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,699 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 10:11:19,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:19,705 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:19,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,722 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 10:11:19,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,726 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:19,726 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:19,731 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,735 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 10:11:19,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:19,738 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:19,740 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,744 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 10:11:19,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:19,747 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:19,749 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,753 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 10:11:19,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:19,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:19,758 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,762 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 10:11:19,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,765 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:19,765 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:19,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,774 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 10:11:19,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:19,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:19,780 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,783 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 10:11:19,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,786 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:19,786 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:19,790 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,798 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 10:11:19,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:19,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:19,807 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,812 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 10:11:19,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,815 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:19,815 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:19,819 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,823 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 10:11:19,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,832 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:19,832 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:19,854 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/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 10:11:19,857 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 10:11:19,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:19,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:19,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:19,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:19,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:19,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:19,870 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:11:19,887 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-12-07 10:11:19,887 INFO L444 ModelExtractionUtils]: 9 out of 28 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:11:19,892 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:11:19,894 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 10:11:19,895 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:11:19,895 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2019-12-07 10:11:20,025 INFO L297 tatePredicateManager]: 36 out of 36 supporting invariants were superfluous and have been removed [2019-12-07 10:11:20,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 10:11:20,033 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 10:11:20,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:11:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:11:20,064 INFO L264 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:11:20,065 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:11:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:11:20,080 INFO L264 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 10:11:20,081 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:11:20,085 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:20,118 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 10:11:20,129 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 10:11:20,130 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 4 states. [2019-12-07 10:11:20,209 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 4 states. Result 60 states and 79 transitions. Complement of second has 10 states. [2019-12-07 10:11:20,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 10:11:20,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 10:11:20,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 34 transitions. [2019-12-07 10:11:20,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 34 transitions. Stem has 2 letters. Loop has 4 letters. [2019-12-07 10:11:20,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:11:20,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 34 transitions. Stem has 6 letters. Loop has 4 letters. [2019-12-07 10:11:20,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:11:20,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 34 transitions. Stem has 2 letters. Loop has 8 letters. [2019-12-07 10:11:20,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:11:20,214 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 79 transitions. [2019-12-07 10:11:20,216 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2019-12-07 10:11:20,219 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 30 states and 45 transitions. [2019-12-07 10:11:20,220 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2019-12-07 10:11:20,220 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2019-12-07 10:11:20,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 45 transitions. [2019-12-07 10:11:20,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:11:20,220 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 45 transitions. [2019-12-07 10:11:20,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 45 transitions. [2019-12-07 10:11:20,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2019-12-07 10:11:20,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-12-07 10:11:20,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 43 transitions. [2019-12-07 10:11:20,239 INFO L711 BuchiCegarLoop]: Abstraction has 29 states and 43 transitions. [2019-12-07 10:11:20,239 INFO L591 BuchiCegarLoop]: Abstraction has 29 states and 43 transitions. [2019-12-07 10:11:20,239 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 10:11:20,239 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 43 transitions. [2019-12-07 10:11:20,240 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2019-12-07 10:11:20,240 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:11:20,240 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:11:20,240 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 10:11:20,240 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 10:11:20,240 INFO L794 eck$LassoCheckResult]: Stem: 273#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 266#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 267#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 286#L557-1 [2019-12-07 10:11:20,240 INFO L796 eck$LassoCheckResult]: Loop: 286#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 283#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~mem6;havoc test_fun_#t~short10;havoc test_fun_#t~mem7;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 284#L558 assume test_fun_#t~mem11 > test_fun_#t~mem12;havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem13 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem13 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem13; 280#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 286#L557-1 [2019-12-07 10:11:20,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:11:20,241 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-12-07 10:11:20,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:11:20,241 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888768279] [2019-12-07 10:11:20,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:11:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:20,277 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:11:20,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:11:20,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1298969, now seen corresponding path program 1 times [2019-12-07 10:11:20,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:11:20,277 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925632954] [2019-12-07 10:11:20,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:11:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:20,292 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:11:20,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:11:20,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1806908732, now seen corresponding path program 1 times [2019-12-07 10:11:20,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:11:20,293 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020787607] [2019-12-07 10:11:20,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:11:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:11:20,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:11:20,343 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020787607] [2019-12-07 10:11:20,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:11:20,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 10:11:20,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365784827] [2019-12-07 10:11:20,470 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-12-07 10:11:20,658 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-12-07 10:11:20,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:11:20,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:11:20,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:11:20,663 INFO L87 Difference]: Start difference. First operand 29 states and 43 transitions. cyclomatic complexity: 18 Second operand 5 states. [2019-12-07 10:11:20,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:11:20,706 INFO L93 Difference]: Finished difference Result 46 states and 65 transitions. [2019-12-07 10:11:20,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:11:20,707 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 65 transitions. [2019-12-07 10:11:20,708 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 25 [2019-12-07 10:11:20,709 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 36 states and 51 transitions. [2019-12-07 10:11:20,709 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2019-12-07 10:11:20,709 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2019-12-07 10:11:20,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 51 transitions. [2019-12-07 10:11:20,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:11:20,709 INFO L688 BuchiCegarLoop]: Abstraction has 36 states and 51 transitions. [2019-12-07 10:11:20,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 51 transitions. [2019-12-07 10:11:20,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 19. [2019-12-07 10:11:20,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 10:11:20,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions. [2019-12-07 10:11:20,711 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2019-12-07 10:11:20,711 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2019-12-07 10:11:20,711 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 10:11:20,711 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 27 transitions. [2019-12-07 10:11:20,712 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2019-12-07 10:11:20,712 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:11:20,712 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:11:20,712 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 10:11:20,712 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 10:11:20,712 INFO L794 eck$LassoCheckResult]: Stem: 360#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 353#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 354#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 361#L557-1 [2019-12-07 10:11:20,712 INFO L796 eck$LassoCheckResult]: Loop: 361#L557-1 assume test_fun_#t~short10; 362#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~mem6;havoc test_fun_#t~short10;havoc test_fun_#t~mem7;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 355#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 356#L561 assume !(test_fun_#t~mem14 > test_fun_#t~mem15);havoc test_fun_#t~mem14;havoc test_fun_#t~mem15; 366#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 361#L557-1 [2019-12-07 10:11:20,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:11:20,713 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2019-12-07 10:11:20,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:11:20,713 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905354787] [2019-12-07 10:11:20,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:11:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:20,735 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:11:20,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:11:20,736 INFO L82 PathProgramCache]: Analyzing trace with hash 38423577, now seen corresponding path program 1 times [2019-12-07 10:11:20,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:11:20,736 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438428497] [2019-12-07 10:11:20,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:11:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:20,745 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:11:20,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:11:20,745 INFO L82 PathProgramCache]: Analyzing trace with hash 177751382, now seen corresponding path program 1 times [2019-12-07 10:11:20,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:11:20,745 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078385096] [2019-12-07 10:11:20,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:11:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:11:20,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:11:20,780 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078385096] [2019-12-07 10:11:20,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:11:20,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 10:11:20,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325369249] [2019-12-07 10:11:20,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:11:20,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:11:20,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:11:20,867 INFO L87 Difference]: Start difference. First operand 19 states and 27 transitions. cyclomatic complexity: 10 Second operand 5 states. [2019-12-07 10:11:20,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:11:20,892 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2019-12-07 10:11:20,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:11:20,892 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2019-12-07 10:11:20,893 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2019-12-07 10:11:20,894 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 16 states and 20 transitions. [2019-12-07 10:11:20,894 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-12-07 10:11:20,894 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-12-07 10:11:20,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2019-12-07 10:11:20,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:11:20,894 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-12-07 10:11:20,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2019-12-07 10:11:20,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-07 10:11:20,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 10:11:20,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2019-12-07 10:11:20,895 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-12-07 10:11:20,895 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-12-07 10:11:20,896 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 10:11:20,896 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2019-12-07 10:11:20,896 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2019-12-07 10:11:20,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:11:20,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:11:20,896 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 10:11:20,896 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 10:11:20,896 INFO L794 eck$LassoCheckResult]: Stem: 408#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 402#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 403#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 409#L557-1 [2019-12-07 10:11:20,896 INFO L796 eck$LassoCheckResult]: Loop: 409#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 410#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~mem6;havoc test_fun_#t~short10;havoc test_fun_#t~mem7;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 415#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 413#L561 assume !(test_fun_#t~mem14 > test_fun_#t~mem15);havoc test_fun_#t~mem14;havoc test_fun_#t~mem15; 414#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 409#L557-1 [2019-12-07 10:11:20,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:11:20,897 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 3 times [2019-12-07 10:11:20,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:11:20,897 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344415097] [2019-12-07 10:11:20,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:11:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:20,916 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:11:20,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:11:20,916 INFO L82 PathProgramCache]: Analyzing trace with hash 40270619, now seen corresponding path program 1 times [2019-12-07 10:11:20,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:11:20,916 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137288577] [2019-12-07 10:11:20,916 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:11:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:11:20,937 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 10:11:20,937 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137288577] [2019-12-07 10:11:20,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:11:20,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 10:11:20,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721169344] [2019-12-07 10:11:20,938 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 10:11:20,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:11:20,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:11:20,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:11:20,938 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand 5 states. [2019-12-07 10:11:20,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:11:20,963 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2019-12-07 10:11:20,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:11:20,963 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2019-12-07 10:11:20,964 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 10:11:20,964 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 18 transitions. [2019-12-07 10:11:20,964 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-12-07 10:11:20,964 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 10:11:20,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2019-12-07 10:11:20,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:11:20,964 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2019-12-07 10:11:20,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2019-12-07 10:11:20,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-12-07 10:11:20,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-12-07 10:11:20,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2019-12-07 10:11:20,965 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2019-12-07 10:11:20,965 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2019-12-07 10:11:20,966 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 10:11:20,966 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2019-12-07 10:11:20,966 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 10:11:20,966 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:11:20,966 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:11:20,966 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 10:11:20,966 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 10:11:20,966 INFO L794 eck$LassoCheckResult]: Stem: 449#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 443#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 444#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 450#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 451#L557-3 [2019-12-07 10:11:20,966 INFO L796 eck$LassoCheckResult]: Loop: 451#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~mem6;havoc test_fun_#t~short10;havoc test_fun_#t~mem7;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 455#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 454#L561 assume test_fun_#t~mem14 > test_fun_#t~mem15;havoc test_fun_#t~mem14;havoc test_fun_#t~mem15;call test_fun_#t~mem16 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem16 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem16; 446#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 456#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 451#L557-3 [2019-12-07 10:11:20,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:11:20,967 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-12-07 10:11:20,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:11:20,967 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311223257] [2019-12-07 10:11:20,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:11:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:20,993 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:11:20,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:11:20,993 INFO L82 PathProgramCache]: Analyzing trace with hash 45962937, now seen corresponding path program 1 times [2019-12-07 10:11:20,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:11:20,994 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440286527] [2019-12-07 10:11:20,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:11:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:21,008 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:11:21,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:11:21,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1272581938, now seen corresponding path program 1 times [2019-12-07 10:11:21,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:11:21,008 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092008944] [2019-12-07 10:11:21,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:11:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:21,042 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:11:21,175 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-12-07 10:11:21,379 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2019-12-07 10:11:21,960 WARN L192 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2019-12-07 10:11:22,623 WARN L192 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-12-07 10:11:22,626 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:11:22,626 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:11:22,626 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:11:22,626 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:11:22,627 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:11:22,627 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:11:22,627 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:11:22,627 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:11:22,627 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.13-alloca.i_Iteration5_Lasso [2019-12-07 10:11:22,627 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:11:22,627 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:11:22,635 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 10:11:22,638 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 10:11:22,639 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 10:11:22,642 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 10:11:22,643 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 10:11:22,644 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 10:11:22,645 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 10:11:22,646 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 10:11:22,647 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 10:11:22,649 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 10:11:23,561 WARN L192 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 108 [2019-12-07 10:11:23,709 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-12-07 10:11:23,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:11:23,711 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 10:11:23,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:11:23,713 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 10:11:23,715 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 10:11:23,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:11:23,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:11:23,948 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-12-07 10:11:24,417 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-12-07 10:11:24,556 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-12-07 10:11:24,614 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:11:24,614 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:11:24,617 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 10:11:24,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:24,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:24,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:24,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:24,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:24,619 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:24,621 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:11:24,625 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 10:11:24,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:24,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:11:24,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:24,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:24,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:24,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:11:24,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:11:24,627 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:11:24,631 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 10:11:24,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:24,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:24,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:24,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:24,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:24,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:24,635 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:11:24,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:11:24,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:24,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:24,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:24,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:24,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:24,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:24,644 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:11:24,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:11:24,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:24,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:11:24,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:24,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:24,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:24,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:11:24,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:11:24,650 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:11:24,653 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 10:11:24,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:24,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:11:24,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:24,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:24,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:24,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:11:24,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:11:24,656 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:11:24,660 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 10:11:24,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:24,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:11:24,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:24,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:24,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:24,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:11:24,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:11:24,663 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:11:24,666 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 10:11:24,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:24,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:11:24,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:24,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:24,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:24,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:11:24,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:11:24,668 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:11:24,672 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 10:11:24,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:24,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:24,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:24,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:24,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:24,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:24,676 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:11:24,680 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 10:11:24,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:24,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:24,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:24,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:24,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:24,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:24,684 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:11:24,688 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 10:11:24,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:24,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:24,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:24,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:24,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:24,696 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:24,709 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:11:24,712 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 10:11:24,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:24,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:24,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:24,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:24,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:24,715 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:24,718 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:11:24,722 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 10:11:24,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:24,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:24,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:24,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:24,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:24,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:24,726 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/z3 Starting monitored process 45 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:11:24,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:11:24,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:24,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:11:24,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:11:24,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:24,731 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:11:24,731 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:11:24,734 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/z3 Starting monitored process 46 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:11:24,737 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 10:11:24,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:11:24,739 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-12-07 10:11:24,739 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 10:11:24,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:11:24,760 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-12-07 10:11:24,760 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 10:11:24,833 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 10:11:24,891 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-12-07 10:11:24,892 INFO L444 ModelExtractionUtils]: 50 out of 91 variables were initially zero. Simplification set additionally 38 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/z3 Starting monitored process 47 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:11:24,894 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 10:11:24,897 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2019-12-07 10:11:24,897 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 10:11:24,897 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_2 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2 Supporting invariants [] [2019-12-07 10:11:25,109 INFO L297 tatePredicateManager]: 41 out of 41 supporting invariants were superfluous and have been removed [2019-12-07 10:11:25,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 10:11:25,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 10:11:25,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:11:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:11:25,135 INFO L264 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:11:25,135 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:11:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:11:25,143 INFO L264 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 10:11:25,144 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:11:25,255 INFO L343 Elim1Store]: treesize reduction 12, result has 88.3 percent of original size [2019-12-07 10:11:25,256 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 113 [2019-12-07 10:11:25,257 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:25,258 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 10:11:25,259 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:25,260 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 10:11:25,262 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 10:11:25,262 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:25,265 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 10:11:25,345 INFO L614 ElimStorePlain]: treesize reduction 285, result has 31.7 percent of original size [2019-12-07 10:11:25,345 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:25,346 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:25,346 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:25,347 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:25,348 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-07 10:11:25,348 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:55, output treesize:132 [2019-12-07 10:11:25,348 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:25,348 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:25,348 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:25,349 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:25,368 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:25,369 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:25,369 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:25,370 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:25,395 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 10:11:25,395 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-12-07 10:11:25,395 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 5 Second operand 5 states. [2019-12-07 10:11:25,424 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 5. Second operand 5 states. Result 30 states and 35 transitions. Complement of second has 9 states. [2019-12-07 10:11:25,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 10:11:25,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 10:11:25,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2019-12-07 10:11:25,425 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 4 letters. Loop has 5 letters. [2019-12-07 10:11:25,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:11:25,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 9 letters. Loop has 5 letters. [2019-12-07 10:11:25,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:11:25,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 4 letters. Loop has 10 letters. [2019-12-07 10:11:25,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 10:11:25,426 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2019-12-07 10:11:25,427 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 10:11:25,428 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 24 states and 28 transitions. [2019-12-07 10:11:25,428 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2019-12-07 10:11:25,428 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-12-07 10:11:25,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 28 transitions. [2019-12-07 10:11:25,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 10:11:25,428 INFO L688 BuchiCegarLoop]: Abstraction has 24 states and 28 transitions. [2019-12-07 10:11:25,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 28 transitions. [2019-12-07 10:11:25,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2019-12-07 10:11:25,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-12-07 10:11:25,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2019-12-07 10:11:25,430 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-12-07 10:11:25,430 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-12-07 10:11:25,430 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 10:11:25,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 26 transitions. [2019-12-07 10:11:25,431 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 10:11:25,431 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:11:25,431 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:11:25,432 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:11:25,432 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 10:11:25,432 INFO L794 eck$LassoCheckResult]: Stem: 714#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 708#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 709#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 722#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 725#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~mem6;havoc test_fun_#t~short10;havoc test_fun_#t~mem7;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 723#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 720#L561 assume test_fun_#t~mem14 > test_fun_#t~mem15;havoc test_fun_#t~mem14;havoc test_fun_#t~mem15;call test_fun_#t~mem16 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem16 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem16; 721#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 715#L557-1 assume test_fun_#t~short10; 716#L557-3 [2019-12-07 10:11:25,432 INFO L796 eck$LassoCheckResult]: Loop: 716#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~mem6;havoc test_fun_#t~short10;havoc test_fun_#t~mem7;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 710#L558 assume test_fun_#t~mem11 > test_fun_#t~mem12;havoc test_fun_#t~mem12;havoc test_fun_#t~mem11;call test_fun_#t~mem13 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem13 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem13; 711#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 729#L557-1 assume test_fun_#t~short10; 716#L557-3 [2019-12-07 10:11:25,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:11:25,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1272581936, now seen corresponding path program 1 times [2019-12-07 10:11:25,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:11:25,433 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169556388] [2019-12-07 10:11:25,433 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:11:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:11:25,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:11:25,485 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169556388] [2019-12-07 10:11:25,485 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393152952] [2019-12-07 10:11:25,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23d26f6a-de55-4dbd-ad45-b773ab506c53/bin/uautomizer/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:11:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:11:25,521 INFO L264 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 27 conjunts are in the unsatisfiable core [2019-12-07 10:11:25,522 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:11:25,528 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2019-12-07 10:11:25,528 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 10:11:25,533 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:11:25,533 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 10:11:25,533 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:11 [2019-12-07 10:11:25,541 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:25,567 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:25,628 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:11:25,628 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 70 [2019-12-07 10:11:25,629 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 10:11:25,629 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:25,629 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:25,630 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 10:11:25,672 INFO L614 ElimStorePlain]: treesize reduction 150, result has 18.5 percent of original size [2019-12-07 10:11:25,673 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 10:11:25,673 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:34 [2019-12-07 10:11:25,689 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:25,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:11:25,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 10:11:25,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2019-12-07 10:11:25,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9223256] [2019-12-07 10:11:25,694 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 10:11:25,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:11:25,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1480167, now seen corresponding path program 2 times [2019-12-07 10:11:25,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:11:25,694 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252728882] [2019-12-07 10:11:25,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:11:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:11:25,702 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:11:25,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:11:25,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 10:11:25,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2019-12-07 10:11:25,808 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. cyclomatic complexity: 7 Second operand 12 states. [2019-12-07 10:11:25,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:11:25,976 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2019-12-07 10:11:25,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 10:11:25,977 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2019-12-07 10:11:25,977 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 10:11:25,977 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-12-07 10:11:25,977 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 10:11:25,978 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 10:11:25,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 10:11:25,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 10:11:25,978 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:11:25,978 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:11:25,978 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:11:25,978 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-12-07 10:11:25,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:11:25,978 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 10:11:25,978 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 10:11:25,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 10:11:25 BoogieIcfgContainer [2019-12-07 10:11:25,984 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 10:11:25,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:11:25,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:11:25,984 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:11:25,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:11:17" (3/4) ... [2019-12-07 10:11:25,988 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 10:11:25,988 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:11:25,989 INFO L168 Benchmark]: Toolchain (without parser) took 8844.71 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 264.2 MB). Free memory was 940.4 MB in the beginning and 1.2 GB in the end (delta: -262.9 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:11:25,989 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 957.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:11:25,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -141.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:11:25,990 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.20 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: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:11:25,990 INFO L168 Benchmark]: Boogie Preprocessor took 17.24 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: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:11:25,991 INFO L168 Benchmark]: RCFGBuilder took 211.15 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: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:11:25,991 INFO L168 Benchmark]: BuchiAutomizer took 8264.31 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 169.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -150.6 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:11:25,992 INFO L168 Benchmark]: Witness Printer took 3.78 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 346.9 kB). Peak memory consumption was 346.9 kB. Max. memory is 11.5 GB. [2019-12-07 10:11:25,994 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 957.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -141.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.20 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: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.24 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: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 211.15 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: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8264.31 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 169.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -150.6 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.78 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 346.9 kB). Peak memory consumption was 346.9 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 6 terminating modules (4 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[z_ref][z_ref] + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[x_ref][x_ref] + unknown-#memory_int-unknown[y_ref][y_ref] and consists of 5 locations. 4 modules have a trivial ranking function, the largest among these consists of 12 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.2s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 7.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 20 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 29 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 39 SDtfs, 67 SDslu, 37 SDs, 0 SdLazy, 139 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital625 mio100 ax103 hnf99 lsp72 ukn71 mio100 lsp30 div100 bol104 ite100 ukn100 eq181 hnf88 smp96 dnf231 smp73 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 162ms VariablesStem: 17 VariablesLoop: 12 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 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...