./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrpbrk-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrpbrk-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/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 61869dea11c33643d44719730b54f6ea8fd7faa2 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:29:26,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:29:26,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:29:26,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:29:26,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:29:26,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:29:26,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:29:26,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:29:26,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:29:26,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:29:26,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:29:26,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:29:26,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:29:26,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:29:26,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:29:26,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:29:26,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:29:26,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:29:26,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:29:26,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:29:26,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:29:26,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:29:26,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:29:26,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:29:26,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:29:26,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:29:26,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:29:26,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:29:26,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:29:26,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:29:26,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:29:26,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:29:26,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:29:26,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:29:26,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:29:26,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:29:26,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:29:26,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:29:26,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:29:26,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:29:26,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:29:26,618 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 02:29:26,646 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:29:26,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:29:26,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:29:26,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:29:26,648 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:29:26,648 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 02:29:26,648 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 02:29:26,648 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 02:29:26,648 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 02:29:26,648 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 02:29:26,649 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 02:29:26,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:29:26,649 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 02:29:26,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:29:26,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:29:26,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 02:29:26,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 02:29:26,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 02:29:26,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:29:26,650 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 02:29:26,651 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:29:26,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 02:29:26,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:29:26,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:29:26,651 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 02:29:26,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:29:26,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:29:26,652 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 02:29:26,653 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 02:29:26,653 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_83ecf061-0228-4478-a597-f0de18c9603f/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 -> 61869dea11c33643d44719730b54f6ea8fd7faa2 [2019-11-20 02:29:26,834 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:29:26,843 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:29:26,846 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:29:26,848 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:29:26,848 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:29:26,849 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/cstrpbrk-alloca-1.i [2019-11-20 02:29:26,898 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/data/4470772d3/a7ee79377a884a71b00280e13be145da/FLAGd7746466b [2019-11-20 02:29:27,370 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:29:27,371 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/sv-benchmarks/c/termination-memory-alloca/cstrpbrk-alloca-1.i [2019-11-20 02:29:27,383 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/data/4470772d3/a7ee79377a884a71b00280e13be145da/FLAGd7746466b [2019-11-20 02:29:27,396 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/data/4470772d3/a7ee79377a884a71b00280e13be145da [2019-11-20 02:29:27,399 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:29:27,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:29:27,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:29:27,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:29:27,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:29:27,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:29:27" (1/1) ... [2019-11-20 02:29:27,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b7ced6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:29:27, skipping insertion in model container [2019-11-20 02:29:27,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:29:27" (1/1) ... [2019-11-20 02:29:27,412 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:29:27,443 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:29:27,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:29:27,800 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:29:27,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:29:27,897 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:29:27,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:29:27 WrapperNode [2019-11-20 02:29:27,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:29:27,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:29:27,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:29:27,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:29:27,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:29:27" (1/1) ... [2019-11-20 02:29:27,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:29:27" (1/1) ... [2019-11-20 02:29:27,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:29:27,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:29:27,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:29:27,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:29:27,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:29:27" (1/1) ... [2019-11-20 02:29:27,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:29:27" (1/1) ... [2019-11-20 02:29:27,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:29:27" (1/1) ... [2019-11-20 02:29:27,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:29:27" (1/1) ... [2019-11-20 02:29:27,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:29:27" (1/1) ... [2019-11-20 02:29:27,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:29:27" (1/1) ... [2019-11-20 02:29:27,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:29:27" (1/1) ... [2019-11-20 02:29:27,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:29:27,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:29:27,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:29:27,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:29:28,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:29:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:28,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 02:29:28,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 02:29:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:29:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 02:29:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:29:28,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:29:28,382 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:29:28,383 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 02:29:28,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:29:28 BoogieIcfgContainer [2019-11-20 02:29:28,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:29:28,385 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 02:29:28,385 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 02:29:28,388 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 02:29:28,389 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:29:28,389 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 02:29:27" (1/3) ... [2019-11-20 02:29:28,390 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ed41049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:29:28, skipping insertion in model container [2019-11-20 02:29:28,391 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:29:28,391 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:29:27" (2/3) ... [2019-11-20 02:29:28,391 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ed41049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:29:28, skipping insertion in model container [2019-11-20 02:29:28,391 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:29:28,392 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:29:28" (3/3) ... [2019-11-20 02:29:28,397 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrpbrk-alloca-1.i [2019-11-20 02:29:28,437 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 02:29:28,438 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 02:29:28,438 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 02:29:28,438 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:29:28,438 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:29:28,438 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 02:29:28,438 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:29:28,439 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 02:29:28,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-20 02:29:28,474 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-20 02:29:28,474 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:29:28,475 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:29:28,481 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 02:29:28,481 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:29:28,481 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 02:29:28,481 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-20 02:29:28,482 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-20 02:29:28,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:29:28,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:29:28,483 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 02:29:28,483 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 02:29:28,489 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 8#L565true assume !(main_~length1~0 < 1); 12#L565-2true assume !(main_~length2~0 < 1); 6#L568-1true call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 3#L552-4true [2019-11-20 02:29:28,489 INFO L796 eck$LassoCheckResult]: Loop: 3#L552-4true call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 14#L552-1true assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 16#L555-5true assume !true; 19#L555-6true call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 5#L557true assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 20#L552-3true cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 3#L552-4true [2019-11-20 02:29:28,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:29:28,494 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2019-11-20 02:29:28,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:29:28,503 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074555203] [2019-11-20 02:29:28,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:29:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:29:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:29:28,662 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:29:28,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:29:28,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2019-11-20 02:29:28,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:29:28,664 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389289547] [2019-11-20 02:29:28,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:29:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:29:28,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:29:28,698 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389289547] [2019-11-20 02:29:28,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:29:28,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 02:29:28,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360888582] [2019-11-20 02:29:28,705 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 02:29:28,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:29:28,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 02:29:28,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 02:29:28,723 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2019-11-20 02:29:28,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:29:28,728 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2019-11-20 02:29:28,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 02:29:28,730 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2019-11-20 02:29:28,732 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-20 02:29:28,735 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2019-11-20 02:29:28,736 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-20 02:29:28,737 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-20 02:29:28,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2019-11-20 02:29:28,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:29:28,738 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-20 02:29:28,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2019-11-20 02:29:28,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-20 02:29:28,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-20 02:29:28,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2019-11-20 02:29:28,763 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-20 02:29:28,763 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-20 02:29:28,763 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 02:29:28,763 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2019-11-20 02:29:28,763 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-20 02:29:28,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:29:28,764 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:29:28,764 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 02:29:28,764 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:29:28,765 INFO L794 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 53#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 49#L565 assume !(main_~length1~0 < 1); 50#L565-2 assume !(main_~length2~0 < 1); 48#L568-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 44#L552-4 [2019-11-20 02:29:28,765 INFO L796 eck$LassoCheckResult]: Loop: 44#L552-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 45#L552-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 56#L555-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 51#L555-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 52#L555-3 assume !cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7; 55#L555-6 call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 46#L557 assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 47#L552-3 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 44#L552-4 [2019-11-20 02:29:28,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:29:28,765 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2019-11-20 02:29:28,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:29:28,766 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389618431] [2019-11-20 02:29:28,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:29:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:29:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:29:28,806 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:29:28,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:29:28,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2019-11-20 02:29:28,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:29:28,807 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759853312] [2019-11-20 02:29:28,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:29:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:29:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:29:28,839 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:29:28,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:29:28,840 INFO L82 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2019-11-20 02:29:28,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:29:28,840 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012426650] [2019-11-20 02:29:28,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:29:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:29:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:29:28,924 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:29:29,179 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-11-20 02:29:29,524 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-11-20 02:29:29,920 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 84 [2019-11-20 02:29:30,083 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-11-20 02:29:30,098 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:29:30,100 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:29:30,104 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:29:30,105 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:29:30,105 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 02:29:30,106 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:30,106 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:29:30,107 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:29:30,107 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-1.i_Iteration2_Lasso [2019-11-20 02:29:30,107 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:29:30,108 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:29:30,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:30,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:30,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:30,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:30,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:30,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:30,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:30,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:30,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:30,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:30,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:30,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:30,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:30,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:30,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:30,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:30,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:30,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:30,656 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-11-20 02:29:30,916 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-11-20 02:29:30,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:30,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:30,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:30,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:30,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:31,534 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 28 [2019-11-20 02:29:31,667 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:29:31,672 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/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) [2019-11-20 02:29:31,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:31,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:31,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:31,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:31,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:31,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:31,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:31,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:31,695 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:29:31,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:31,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:31,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:31,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:31,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:31,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:31,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:31,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:31,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:31,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:31,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:31,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:31,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:31,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:31,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:31,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:31,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:31,743 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:31,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:31,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:31,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:31,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:31,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:31,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:31,759 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:31,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:31,761 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:29:31,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:31,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:31,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:31,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:31,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:31,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:31,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:31,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:31,787 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:31,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:31,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:31,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:31,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:31,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:31,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:31,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:29:31,814 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:31,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:31,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:31,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:31,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:31,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:31,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:31,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:31,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:31,836 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:31,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:31,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:31,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:31,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:31,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:31,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:31,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:31,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:31,864 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:31,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:31,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:31,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:31,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:31,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:31,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:31,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:29:31,889 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:29:31,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:31,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:31,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:31,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:31,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:31,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:31,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:31,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:31,915 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:31,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:31,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:31,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:31,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:31,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:31,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:31,937 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:29:31,942 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:31,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:31,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:31,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:31,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:31,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:31,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:31,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:31,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:31,951 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/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) [2019-11-20 02:29:31,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:31,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:31,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:31,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:31,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:31,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:31,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:31,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:31,971 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:31,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:31,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:31,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:31,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:31,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:31,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:31,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:31,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:31,991 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:29:32,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:32,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:32,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:32,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:32,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:32,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:32,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:32,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:32,007 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/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) [2019-11-20 02:29:32,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:32,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:32,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:32,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:32,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:32,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:32,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:32,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:32,023 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/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) [2019-11-20 02:29:32,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:32,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:32,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:32,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:32,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:32,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:32,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:32,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:32,051 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:29:32,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:32,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:32,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:32,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:32,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:32,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:32,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:29:32,091 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 02:29:32,211 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-20 02:29:32,212 INFO L444 ModelExtractionUtils]: 19 out of 28 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/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) [2019-11-20 02:29:32,260 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:32,267 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 02:29:32,267 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 02:29:32,268 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~sc1~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc12.base)_1) = -1*ULTIMATE.start_cstrpbrk_~sc1~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc12.base)_1 Supporting invariants [] [2019-11-20 02:29:32,340 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2019-11-20 02:29:32,348 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 02:29:32,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:29:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:29:32,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 02:29:32,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:29:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:29:32,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 02:29:32,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:29:32,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:29:32,462 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 02:29:32,462 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-20 02:29:32,529 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 21 states and 28 transitions. Complement of second has 4 states. [2019-11-20 02:29:32,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 02:29:32,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 02:29:32,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2019-11-20 02:29:32,533 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2019-11-20 02:29:32,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:29:32,534 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2019-11-20 02:29:32,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:29:32,534 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2019-11-20 02:29:32,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:29:32,535 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2019-11-20 02:29:32,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 02:29:32,537 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2019-11-20 02:29:32,537 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-20 02:29:32,537 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-20 02:29:32,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2019-11-20 02:29:32,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 02:29:32,538 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-20 02:29:32,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2019-11-20 02:29:32,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-20 02:29:32,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-20 02:29:32,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2019-11-20 02:29:32,541 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-20 02:29:32,541 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-20 02:29:32,541 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 02:29:32,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2019-11-20 02:29:32,542 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 02:29:32,542 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:29:32,542 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:29:32,543 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:29:32,543 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 02:29:32,543 INFO L794 eck$LassoCheckResult]: Stem: 192#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 191#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 185#L565 assume !(main_~length1~0 < 1); 186#L565-2 assume !(main_~length2~0 < 1); 184#L568-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 178#L552-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 180#L552-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 193#L555-5 [2019-11-20 02:29:32,543 INFO L796 eck$LassoCheckResult]: Loop: 193#L555-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 187#L555-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 188#L555-3 assume !!cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post8.base, 1 + cstrpbrk_#t~post8.offset;havoc cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset; 193#L555-5 [2019-11-20 02:29:32,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:29:32,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2019-11-20 02:29:32,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:29:32,544 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481077236] [2019-11-20 02:29:32,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:29:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:29:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:29:32,588 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:29:32,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:29:32,589 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2019-11-20 02:29:32,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:29:32,589 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535052091] [2019-11-20 02:29:32,589 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:29:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:29:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:29:32,604 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:29:32,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:29:32,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2019-11-20 02:29:32,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:29:32,605 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242387801] [2019-11-20 02:29:32,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:29:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:29:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:29:32,659 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:29:32,909 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-11-20 02:29:33,439 WARN L191 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 97 [2019-11-20 02:29:33,629 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-11-20 02:29:33,631 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:29:33,631 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:29:33,631 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:29:33,632 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:29:33,632 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 02:29:33,632 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:33,632 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:29:33,632 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:29:33,632 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-1.i_Iteration3_Lasso [2019-11-20 02:29:33,632 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:29:33,632 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:29:33,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:33,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:33,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:33,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:33,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:33,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:33,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:33,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:33,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:33,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:33,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:33,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:33,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:33,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:33,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:33,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:33,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:33,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:33,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:33,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:33,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:34,143 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-11-20 02:29:34,281 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-11-20 02:29:34,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:34,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:34,926 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-11-20 02:29:34,953 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:29:34,953 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:34,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:34,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:34,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:34,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:34,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:34,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:34,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:34,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:34,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/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) [2019-11-20 02:29:34,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:34,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:34,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:34,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:34,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:34,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:34,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:34,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:34,993 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/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) [2019-11-20 02:29:35,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:35,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:35,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:35,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:35,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:35,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:35,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:35,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:35,012 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:35,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:35,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:35,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:35,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:35,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:35,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:35,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:35,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:35,021 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:35,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:35,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:35,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:35,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:35,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:35,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:35,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:35,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:35,030 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/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) [2019-11-20 02:29:35,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:35,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:35,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:35,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:35,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:35,039 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:35,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:29:35,047 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:29:35,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:35,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:35,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:35,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:35,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:35,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:35,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:35,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:35,063 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:29:35,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:35,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:35,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:35,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:35,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:35,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:35,079 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:35,085 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/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) [2019-11-20 02:29:35,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:35,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:35,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:35,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:35,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:35,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:35,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:35,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:35,098 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:35,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:35,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:35,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:35,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:35,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:35,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:35,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:35,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:35,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:35,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:35,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:35,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:35,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:35,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:35,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:35,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:35,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:35,124 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:35,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:35,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:35,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:35,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:35,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:35,132 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:35,132 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:29:35,136 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:35,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:35,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:35,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:35,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:35,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:35,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:35,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:35,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:35,147 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:35,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:35,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:35,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:35,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:35,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:35,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:35,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:35,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:35,155 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:35,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:35,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:35,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:35,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:35,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:35,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:35,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:35,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:35,165 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:35,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:35,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:35,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:35,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:35,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:35,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:35,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:35,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:35,180 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/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) [2019-11-20 02:29:35,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:35,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:35,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:35,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:35,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:35,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:35,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:35,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:35,198 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/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) [2019-11-20 02:29:35,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:35,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:35,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:35,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:35,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:35,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:35,214 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:35,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:35,216 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:35,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:35,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:35,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:35,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:35,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:35,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:35,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:35,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:35,226 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/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) [2019-11-20 02:29:35,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:35,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:35,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:35,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:35,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:35,249 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:35,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:35,253 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:29:35,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:35,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:35,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:35,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:35,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:35,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:35,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:35,275 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/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) [2019-11-20 02:29:35,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:35,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:35,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:35,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:35,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:35,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:35,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:35,317 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/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) [2019-11-20 02:29:35,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:35,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:35,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:35,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:35,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:35,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:35,352 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:35,367 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 02:29:35,405 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-11-20 02:29:35,405 INFO L444 ModelExtractionUtils]: 9 out of 43 variables were initially zero. Simplification set additionally 31 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:29:35,411 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:35,415 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 02:29:35,416 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 02:29:35,416 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~s~0.offset, v_rep(select #length ULTIMATE.start_cstrpbrk_~s~0.base)_2) = -1*ULTIMATE.start_cstrpbrk_~s~0.offset + 1*v_rep(select #length ULTIMATE.start_cstrpbrk_~s~0.base)_2 Supporting invariants [] [2019-11-20 02:29:35,461 INFO L297 tatePredicateManager]: 15 out of 15 supporting invariants were superfluous and have been removed [2019-11-20 02:29:35,462 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 02:29:35,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:29:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:29:35,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 02:29:35,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:29:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:29:35,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 02:29:35,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:29:35,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:29:35,518 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 02:29:35,518 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand 3 states. [2019-11-20 02:29:35,547 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand 3 states. Result 43 states and 57 transitions. Complement of second has 5 states. [2019-11-20 02:29:35,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 02:29:35,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 02:29:35,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2019-11-20 02:29:35,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2019-11-20 02:29:35,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:29:35,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2019-11-20 02:29:35,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:29:35,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2019-11-20 02:29:35,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:29:35,549 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2019-11-20 02:29:35,551 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 02:29:35,552 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2019-11-20 02:29:35,552 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-20 02:29:35,553 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 02:29:35,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2019-11-20 02:29:35,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 02:29:35,553 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-11-20 02:29:35,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2019-11-20 02:29:35,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2019-11-20 02:29:35,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-20 02:29:35,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2019-11-20 02:29:35,556 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-11-20 02:29:35,557 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-11-20 02:29:35,557 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 02:29:35,557 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2019-11-20 02:29:35,558 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 02:29:35,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:29:35,558 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:29:35,559 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:29:35,559 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 02:29:35,559 INFO L794 eck$LassoCheckResult]: Stem: 365#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 364#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 358#L565 assume !(main_~length1~0 < 1); 359#L565-2 assume !(main_~length2~0 < 1); 357#L568-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 350#L552-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 351#L552-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 367#L555-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 372#L555-1 assume !cstrpbrk_#t~short7; 371#L555-3 assume !cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7; 370#L555-6 call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 355#L557 assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 356#L552-3 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 352#L552-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 354#L552-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 366#L555-5 [2019-11-20 02:29:35,559 INFO L796 eck$LassoCheckResult]: Loop: 366#L555-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 360#L555-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 361#L555-3 assume !!cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post8.base, 1 + cstrpbrk_#t~post8.offset;havoc cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset; 366#L555-5 [2019-11-20 02:29:35,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:29:35,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2019-11-20 02:29:35,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:29:35,560 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511774171] [2019-11-20 02:29:35,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:29:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:29:35,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:29:35,663 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511774171] [2019-11-20 02:29:35,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:29:35,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 02:29:35,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83341450] [2019-11-20 02:29:35,664 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 02:29:35,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:29:35,664 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2019-11-20 02:29:35,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:29:35,665 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751759401] [2019-11-20 02:29:35,665 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:29:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:29:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:29:35,675 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:29:35,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:29:35,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 02:29:35,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-20 02:29:35,829 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-11-20 02:29:35,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:29:35,914 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2019-11-20 02:29:35,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 02:29:35,914 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2019-11-20 02:29:35,915 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 02:29:35,916 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2019-11-20 02:29:35,916 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-20 02:29:35,916 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 02:29:35,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2019-11-20 02:29:35,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 02:29:35,917 INFO L688 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-11-20 02:29:35,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2019-11-20 02:29:35,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2019-11-20 02:29:35,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-20 02:29:35,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2019-11-20 02:29:35,920 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-11-20 02:29:35,920 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-11-20 02:29:35,920 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 02:29:35,920 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2019-11-20 02:29:35,921 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 02:29:35,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 02:29:35,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 02:29:35,922 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 02:29:35,922 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 02:29:35,922 INFO L794 eck$LassoCheckResult]: Stem: 437#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 436#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 430#L565 assume !(main_~length1~0 < 1); 431#L565-2 assume !(main_~length2~0 < 1); 429#L568-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 422#L552-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 423#L552-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 439#L555-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 440#L555-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 442#L555-3 assume !cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7; 441#L555-6 call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 427#L557 assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 428#L552-3 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 424#L552-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 426#L552-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 438#L555-5 [2019-11-20 02:29:35,922 INFO L796 eck$LassoCheckResult]: Loop: 438#L555-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 432#L555-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 433#L555-3 assume !!cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post8.base, 1 + cstrpbrk_#t~post8.offset;havoc cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset; 438#L555-5 [2019-11-20 02:29:35,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:29:35,923 INFO L82 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2019-11-20 02:29:35,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:29:35,923 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707169061] [2019-11-20 02:29:35,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:29:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:29:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:29:35,970 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:29:35,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:29:35,970 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2019-11-20 02:29:35,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:29:35,971 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571433315] [2019-11-20 02:29:35,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:29:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:29:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:29:35,981 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:29:35,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:29:35,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2019-11-20 02:29:35,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:29:35,982 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658266369] [2019-11-20 02:29:35,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:29:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:29:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:29:36,035 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 02:29:36,880 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 134 [2019-11-20 02:29:37,806 WARN L191 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2019-11-20 02:29:37,808 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 02:29:37,809 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 02:29:37,809 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 02:29:37,809 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 02:29:37,809 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 02:29:37,809 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:37,809 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 02:29:37,809 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 02:29:37,809 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-1.i_Iteration5_Lasso [2019-11-20 02:29:37,809 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 02:29:37,809 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 02:29:37,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:37,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:37,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:37,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:37,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:37,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:37,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:37,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:38,054 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-20 02:29:38,771 WARN L191 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-11-20 02:29:38,918 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-11-20 02:29:38,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:38,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:38,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:38,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:38,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:38,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:38,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:38,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:38,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:38,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:38,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:38,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:38,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:38,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:38,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 02:29:39,299 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-11-20 02:29:39,877 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2019-11-20 02:29:40,052 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-11-20 02:29:40,079 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 02:29:40,079 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/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 [2019-11-20 02:29:40,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:40,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:40,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:40,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:40,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:40,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:40,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:40,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:40,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/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) [2019-11-20 02:29:40,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:40,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:40,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:40,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:40,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:40,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:40,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:40,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:40,113 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/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) [2019-11-20 02:29:40,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:40,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:40,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:40,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:40,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:40,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:40,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:40,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:40,126 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:29:40,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:40,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:40,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:40,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:40,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:40,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:40,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:40,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:40,145 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 49 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:40,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:40,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:40,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:40,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:40,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:40,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:40,153 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:40,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:40,154 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 50 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:40,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:40,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:40,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:40,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:40,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:40,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:40,162 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:29:40,164 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 51 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:40,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:40,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:40,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 02:29:40,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:40,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:40,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:40,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 02:29:40,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 02:29:40,173 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 52 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:40,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:40,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:40,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:40,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:40,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:40,183 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:40,183 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:29:40,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 53 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:40,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:40,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:40,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:40,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:40,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:40,200 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:40,200 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:29:40,204 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 54 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:40,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:40,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:40,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:40,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:40,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:40,213 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:40,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:29:40,219 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:29:40,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:40,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:40,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:40,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:40,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:40,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:40,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:40,239 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:40,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:40,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:40,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:40,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:40,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:40,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:40,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 02:29:40,254 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:29:40,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:40,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:40,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:40,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:40,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:40,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:40,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:40,292 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 02:29:40,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 02:29:40,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 02:29:40,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 02:29:40,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 02:29:40,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 02:29:40,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 02:29:40,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:40,340 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 02:29:40,357 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-20 02:29:40,357 INFO L444 ModelExtractionUtils]: 32 out of 49 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83ecf061-0228-4478-a597-f0de18c9603f/bin/uautomizer/z3 Starting monitored process 59 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:29:40,360 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 02:29:40,363 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 02:29:40,363 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 02:29:40,363 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~s~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_3) = -1*ULTIMATE.start_cstrpbrk_~s~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_3 Supporting invariants [] [2019-11-20 02:29:40,452 INFO L297 tatePredicateManager]: 25 out of 26 supporting invariants were superfluous and have been removed [2019-11-20 02:29:40,454 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 02:29:40,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:29:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:29:40,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 02:29:40,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:29:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:29:40,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 02:29:40,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:29:40,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:29:40,570 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-20 02:29:40,570 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-20 02:29:40,629 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 41 states and 51 transitions. Complement of second has 6 states. [2019-11-20 02:29:40,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 02:29:40,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 02:29:40,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-11-20 02:29:40,634 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-20 02:29:40,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:29:40,634 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 02:29:40,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:29:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:29:40,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 02:29:40,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:29:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:29:40,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 02:29:40,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:29:40,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:29:40,745 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-20 02:29:40,745 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-20 02:29:40,783 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 41 states and 51 transitions. Complement of second has 6 states. [2019-11-20 02:29:40,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 02:29:40,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 02:29:40,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-11-20 02:29:40,784 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-20 02:29:40,784 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:29:40,784 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 02:29:40,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:29:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:29:40,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 02:29:40,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:29:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:29:40,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 02:29:40,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 02:29:40,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:29:40,853 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-20 02:29:40,853 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-20 02:29:40,888 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 41 states and 53 transitions. Complement of second has 5 states. [2019-11-20 02:29:40,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 02:29:40,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 02:29:40,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2019-11-20 02:29:40,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-20 02:29:40,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:29:40,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2019-11-20 02:29:40,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:29:40,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2019-11-20 02:29:40,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 02:29:40,890 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2019-11-20 02:29:40,893 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 02:29:40,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2019-11-20 02:29:40,894 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 02:29:40,894 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 02:29:40,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 02:29:40,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 02:29:40,894 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:29:40,894 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:29:40,894 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:29:40,894 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 02:29:40,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 02:29:40,895 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 02:29:40,895 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 02:29:40,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 02:29:40 BoogieIcfgContainer [2019-11-20 02:29:40,900 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 02:29:40,900 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:29:40,900 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:29:40,900 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:29:40,901 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:29:28" (3/4) ... [2019-11-20 02:29:40,903 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 02:29:40,903 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:29:40,904 INFO L168 Benchmark]: Toolchain (without parser) took 13504.16 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 282.6 MB). Free memory was 940.6 MB in the beginning and 1.2 GB in the end (delta: -275.6 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-20 02:29:40,904 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:29:40,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 496.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -192.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-20 02:29:40,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-11-20 02:29:40,905 INFO L168 Benchmark]: Boogie Preprocessor took 55.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:29:40,905 INFO L168 Benchmark]: RCFGBuilder took 385.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:29:40,906 INFO L168 Benchmark]: BuchiAutomizer took 12515.15 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -112.1 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:29:40,906 INFO L168 Benchmark]: Witness Printer took 2.76 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:29:40,908 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 496.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -192.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 385.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 12515.15 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -112.1 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.76 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * sc1 + unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] and consists of 3 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[s] and consists of 3 locations. One nondeterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.4s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 11.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 106 SDtfs, 121 SDslu, 67 SDs, 0 SdLazy, 101 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital366 mio100 ax105 hnf99 lsp87 ukn71 mio100 lsp31 div133 bol100 ite100 ukn100 eq165 hnf77 smp91 dnf725 smp23 tf100 neg96 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...