./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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 0c73140129db08253eb2666e014a272764010e16 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:55:25,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:55:25,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:55:25,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:55:25,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:55:25,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:55:25,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:55:25,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:55:25,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:55:25,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:55:25,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:55:25,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:55:25,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:55:25,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:55:25,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:55:25,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:55:25,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:55:25,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:55:25,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:55:25,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:55:25,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:55:25,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:55:25,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:55:25,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:55:25,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:55:25,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:55:25,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:55:25,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:55:25,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:55:25,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:55:25,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:55:25,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:55:25,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:55:25,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:55:25,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:55:25,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:55:25,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:55:25,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:55:25,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:55:25,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:55:25,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:55:25,896 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-25 08:55:25,920 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:55:25,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:55:25,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:55:25,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:55:25,932 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:55:25,932 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:55:25,933 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:55:25,933 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:55:25,933 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:55:25,933 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:55:25,934 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:55:25,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:55:25,934 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:55:25,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:55:25,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:55:25,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:55:25,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:55:25,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:55:25,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:55:25,936 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:55:25,936 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:55:25,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:55:25,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:55:25,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:55:25,937 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:55:25,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:55:25,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:55:25,937 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:55:25,939 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:55:25,939 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_d02d4643-d87b-47e5-822d-bec46abdae8f/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 -> 0c73140129db08253eb2666e014a272764010e16 [2019-11-25 08:55:26,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:55:26,116 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:55:26,119 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:55:26,126 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:55:26,127 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:55:26,129 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i [2019-11-25 08:55:26,190 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/bin/uautomizer/data/b6e8a3aa7/8df649ff9a5b4f2187b15b1218494756/FLAG244d904c7 [2019-11-25 08:55:26,618 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:55:26,619 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i [2019-11-25 08:55:26,633 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/bin/uautomizer/data/b6e8a3aa7/8df649ff9a5b4f2187b15b1218494756/FLAG244d904c7 [2019-11-25 08:55:26,647 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/bin/uautomizer/data/b6e8a3aa7/8df649ff9a5b4f2187b15b1218494756 [2019-11-25 08:55:26,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:55:26,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:55:26,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:26,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:55:26,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:55:26,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:26" (1/1) ... [2019-11-25 08:55:26,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9ab079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:26, skipping insertion in model container [2019-11-25 08:55:26,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:26" (1/1) ... [2019-11-25 08:55:26,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:55:26,712 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:55:27,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:55:27,130 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:55:27,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:55:27,215 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:55:27,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:27 WrapperNode [2019-11-25 08:55:27,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:27,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:55:27,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:55:27,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:55:27,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:27" (1/1) ... [2019-11-25 08:55:27,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:27" (1/1) ... [2019-11-25 08:55:27,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:55:27,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:55:27,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:55:27,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:55:27,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:27" (1/1) ... [2019-11-25 08:55:27,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:27" (1/1) ... [2019-11-25 08:55:27,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:27" (1/1) ... [2019-11-25 08:55:27,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:27" (1/1) ... [2019-11-25 08:55:27,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:27" (1/1) ... [2019-11-25 08:55:27,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:27" (1/1) ... [2019-11-25 08:55:27,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:27" (1/1) ... [2019-11-25 08:55:27,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:55:27,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:55:27,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:55:27,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:55:27,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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 [2019-11-25 08:55:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:55:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:55:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:55:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:55:27,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:55:27,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:55:27,643 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:55:27,644 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-25 08:55:27,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:27 BoogieIcfgContainer [2019-11-25 08:55:27,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:55:27,645 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:55:27,646 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:55:27,648 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:55:27,649 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:55:27,649 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:55:26" (1/3) ... [2019-11-25 08:55:27,650 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ced168f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:55:27, skipping insertion in model container [2019-11-25 08:55:27,650 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:55:27,651 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:27" (2/3) ... [2019-11-25 08:55:27,651 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ced168f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:55:27, skipping insertion in model container [2019-11-25 08:55:27,651 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:55:27,651 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:27" (3/3) ... [2019-11-25 08:55:27,653 INFO L371 chiAutomizerObserver]: Analyzing ICFG diff-alloca-1.i [2019-11-25 08:55:27,686 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:55:27,686 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:55:27,686 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:55:27,687 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:55:27,687 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:55:27,687 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:55:27,687 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:55:27,687 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:55:27,699 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-25 08:55:27,718 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-25 08:55:27,719 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:27,719 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:27,725 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:55:27,725 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-25 08:55:27,725 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:55:27,725 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-25 08:55:27,727 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-25 08:55:27,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:27,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:27,727 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:55:27,727 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-25 08:55:27,734 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 9#L574true assume !(main_~Alen~0 < 1); 14#L574-2true assume !(main_~Blen~0 < 1); 7#L577-1true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 12#L554-2true [2019-11-25 08:55:27,735 INFO L796 eck$LassoCheckResult]: Loop: 12#L554-2true assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 5#L558-2true assume !true; 6#L557-2true assume 0 == diff_~found~0;call diff_#t~mem5 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call write~int(diff_#t~mem5, diff_~D.base, diff_~D.offset + 4 * diff_~k~0, 4);havoc diff_#t~mem5;diff_#t~post6 := diff_~k~0;diff_~k~0 := 1 + diff_#t~post6;havoc diff_#t~post6; 11#L564-1true diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 12#L554-2true [2019-11-25 08:55:27,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:27,740 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2019-11-25 08:55:27,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:27,749 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761299387] [2019-11-25 08:55:27,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:27,880 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:27,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:27,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1679350, now seen corresponding path program 1 times [2019-11-25 08:55:27,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:27,881 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928194912] [2019-11-25 08:55:27,881 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:27,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:27,910 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928194912] [2019-11-25 08:55:27,911 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:27,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:55:27,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335873701] [2019-11-25 08:55:27,915 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:55:27,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:27,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:55:27,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:55:27,927 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2019-11-25 08:55:27,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:27,933 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2019-11-25 08:55:27,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:55:27,935 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2019-11-25 08:55:27,936 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-25 08:55:27,938 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 10 states and 15 transitions. [2019-11-25 08:55:27,939 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-25 08:55:27,940 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-25 08:55:27,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 15 transitions. [2019-11-25 08:55:27,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:55:27,940 INFO L688 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2019-11-25 08:55:27,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 15 transitions. [2019-11-25 08:55:27,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-25 08:55:27,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-25 08:55:27,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. [2019-11-25 08:55:27,959 INFO L711 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2019-11-25 08:55:27,959 INFO L591 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2019-11-25 08:55:27,959 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:55:27,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 15 transitions. [2019-11-25 08:55:27,960 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-25 08:55:27,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:27,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:27,961 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:55:27,961 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-25 08:55:27,961 INFO L794 eck$LassoCheckResult]: Stem: 43#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 36#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 37#L574 assume !(main_~Alen~0 < 1); 38#L574-2 assume !(main_~Blen~0 < 1); 44#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 42#L554-2 [2019-11-25 08:55:27,961 INFO L796 eck$LassoCheckResult]: Loop: 42#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 40#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 45#L557-2 assume 0 == diff_~found~0;call diff_#t~mem5 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call write~int(diff_#t~mem5, diff_~D.base, diff_~D.offset + 4 * diff_~k~0, 4);havoc diff_#t~mem5;diff_#t~post6 := diff_~k~0;diff_~k~0 := 1 + diff_#t~post6;havoc diff_#t~post6; 41#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 42#L554-2 [2019-11-25 08:55:27,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:27,962 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2019-11-25 08:55:27,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:27,962 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388270431] [2019-11-25 08:55:27,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:27,998 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:27,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:27,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1669740, now seen corresponding path program 1 times [2019-11-25 08:55:27,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:27,999 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141660930] [2019-11-25 08:55:27,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:28,022 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:28,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:28,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1298476337, now seen corresponding path program 1 times [2019-11-25 08:55:28,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:28,024 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571556210] [2019-11-25 08:55:28,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:28,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:28,135 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571556210] [2019-11-25 08:55:28,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:28,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:55:28,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888615923] [2019-11-25 08:55:28,244 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-11-25 08:55:28,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:28,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:55:28,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:55:28,290 INFO L87 Difference]: Start difference. First operand 10 states and 15 transitions. cyclomatic complexity: 6 Second operand 5 states. [2019-11-25 08:55:28,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:28,359 INFO L93 Difference]: Finished difference Result 12 states and 18 transitions. [2019-11-25 08:55:28,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:55:28,362 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 18 transitions. [2019-11-25 08:55:28,362 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-25 08:55:28,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 18 transitions. [2019-11-25 08:55:28,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-25 08:55:28,364 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-25 08:55:28,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 18 transitions. [2019-11-25 08:55:28,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:55:28,365 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 18 transitions. [2019-11-25 08:55:28,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 18 transitions. [2019-11-25 08:55:28,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2019-11-25 08:55:28,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-25 08:55:28,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2019-11-25 08:55:28,367 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2019-11-25 08:55:28,368 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2019-11-25 08:55:28,368 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:55:28,368 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. [2019-11-25 08:55:28,368 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-25 08:55:28,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:28,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:28,369 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:55:28,369 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:55:28,369 INFO L794 eck$LassoCheckResult]: Stem: 79#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 72#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 73#L574 assume !(main_~Alen~0 < 1); 76#L574-2 assume !(main_~Blen~0 < 1); 81#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 78#L554-2 [2019-11-25 08:55:28,370 INFO L796 eck$LassoCheckResult]: Loop: 78#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 80#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 74#L558 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem3;havoc diff_#t~mem2;diff_~found~0 := 1; 75#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 82#L557-2 assume 0 == diff_~found~0;call diff_#t~mem5 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call write~int(diff_#t~mem5, diff_~D.base, diff_~D.offset + 4 * diff_~k~0, 4);havoc diff_#t~mem5;diff_#t~post6 := diff_~k~0;diff_~k~0 := 1 + diff_#t~post6;havoc diff_#t~post6; 77#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 78#L554-2 [2019-11-25 08:55:28,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:28,370 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 3 times [2019-11-25 08:55:28,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:28,370 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913739208] [2019-11-25 08:55:28,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:28,425 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:28,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:28,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1606183209, now seen corresponding path program 1 times [2019-11-25 08:55:28,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:28,426 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015177566] [2019-11-25 08:55:28,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:28,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:28,452 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015177566] [2019-11-25 08:55:28,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:28,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:55:28,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064783045] [2019-11-25 08:55:28,453 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:55:28,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:28,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:55:28,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:55:28,453 INFO L87 Difference]: Start difference. First operand 11 states and 16 transitions. cyclomatic complexity: 6 Second operand 4 states. [2019-11-25 08:55:28,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:28,483 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2019-11-25 08:55:28,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:55:28,484 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2019-11-25 08:55:28,485 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2019-11-25 08:55:28,485 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 22 transitions. [2019-11-25 08:55:28,486 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2019-11-25 08:55:28,486 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-11-25 08:55:28,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2019-11-25 08:55:28,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:55:28,486 INFO L688 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2019-11-25 08:55:28,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2019-11-25 08:55:28,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 13. [2019-11-25 08:55:28,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-25 08:55:28,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2019-11-25 08:55:28,488 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2019-11-25 08:55:28,489 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2019-11-25 08:55:28,489 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:55:28,489 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2019-11-25 08:55:28,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-25 08:55:28,490 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:28,490 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:28,490 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:55:28,490 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:55:28,490 INFO L794 eck$LassoCheckResult]: Stem: 115#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 107#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 108#L574 assume !(main_~Alen~0 < 1); 112#L574-2 assume !(main_~Blen~0 < 1); 118#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 114#L554-2 [2019-11-25 08:55:28,491 INFO L796 eck$LassoCheckResult]: Loop: 114#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 116#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 109#L558 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem3;havoc diff_#t~mem2;diff_~found~0 := 1; 110#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 117#L557-2 assume !(0 == diff_~found~0); 113#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 114#L554-2 [2019-11-25 08:55:28,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:28,491 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 4 times [2019-11-25 08:55:28,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:28,491 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851631863] [2019-11-25 08:55:28,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:28,528 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:28,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:28,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1606183271, now seen corresponding path program 1 times [2019-11-25 08:55:28,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:28,533 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591954248] [2019-11-25 08:55:28,533 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:28,546 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:28,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:28,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1998160148, now seen corresponding path program 1 times [2019-11-25 08:55:28,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:28,550 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368264415] [2019-11-25 08:55:28,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:28,623 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:28,726 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-11-25 08:55:29,310 WARN L192 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2019-11-25 08:55:29,520 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-11-25 08:55:29,530 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:55:29,531 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:55:29,531 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:55:29,531 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:55:29,532 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:55:29,532 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:29,532 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:55:29,532 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:55:29,532 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration4_Lasso [2019-11-25 08:55:29,532 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:55:29,533 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:55:29,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:29,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:30,060 WARN L192 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2019-11-25 08:55:30,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:30,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:30,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:30,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:30,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:30,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:30,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:30,704 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:55:30,708 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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) [2019-11-25 08:55:30,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:30,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:30,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:30,728 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 [2019-11-25 08:55:30,733 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,749 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 [2019-11-25 08:55:30,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:30,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,752 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:30,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:30,754 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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 [2019-11-25 08:55:30,765 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 [2019-11-25 08:55:30,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:30,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:30,774 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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 [2019-11-25 08:55:30,795 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 [2019-11-25 08:55:30,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:30,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:30,809 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,822 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 [2019-11-25 08:55:30,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,830 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:30,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:30,841 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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 [2019-11-25 08:55:30,853 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 [2019-11-25 08:55:30,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:30,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:30,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:30,858 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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 [2019-11-25 08:55:30,874 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 [2019-11-25 08:55:30,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:30,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:30,881 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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 [2019-11-25 08:55:30,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:30,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:30,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:30,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:30,890 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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 [2019-11-25 08:55:30,898 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 [2019-11-25 08:55:30,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:30,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:30,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:30,902 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,916 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 [2019-11-25 08:55:30,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:30,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:30,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:30,920 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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 [2019-11-25 08:55:30,927 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 [2019-11-25 08:55:30,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:30,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:30,953 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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) [2019-11-25 08:55:30,966 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 [2019-11-25 08:55:30,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:30,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,977 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:30,993 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 [2019-11-25 08:55:30,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:30,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:30,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:30,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:30,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:30,998 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:31,004 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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 [2019-11-25 08:55:31,014 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 [2019-11-25 08:55:31,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:31,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:31,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:31,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:31,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:31,024 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:31,033 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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) [2019-11-25 08:55:31,049 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 [2019-11-25 08:55:31,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:31,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:31,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:31,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:31,062 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:31,062 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:31,076 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:31,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:31,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:31,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:31,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:31,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:31,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:31,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:31,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:31,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:31,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:31,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:31,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:31,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:31,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:31,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:31,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:31,123 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:31,133 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 [2019-11-25 08:55:31,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:31,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:31,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:31,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:31,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:31,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:31,165 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:55:31,303 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-11-25 08:55:31,303 INFO L444 ModelExtractionUtils]: 26 out of 40 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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) [2019-11-25 08:55:31,348 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 [2019-11-25 08:55:31,351 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-25 08:55:31,351 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:55:31,352 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_diff_~i~0, v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_1) = -4*ULTIMATE.start_diff_~i~0 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_1 Supporting invariants [1*ULTIMATE.start_diff_~A.offset >= 0] [2019-11-25 08:55:31,417 INFO L297 tatePredicateManager]: 14 out of 16 supporting invariants were superfluous and have been removed [2019-11-25 08:55:31,427 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:55:31,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:31,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-25 08:55:31,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:31,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-25 08:55:31,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:31,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:31,519 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 [2019-11-25 08:55:31,520 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 6 Second operand 4 states. [2019-11-25 08:55:31,592 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 6. Second operand 4 states. Result 21 states and 30 transitions. Complement of second has 6 states. [2019-11-25 08:55:31,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:55:31,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:55:31,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2019-11-25 08:55:31,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 6 letters. [2019-11-25 08:55:31,595 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:31,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 11 letters. Loop has 6 letters. [2019-11-25 08:55:31,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:31,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 5 letters. Loop has 12 letters. [2019-11-25 08:55:31,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:31,597 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 30 transitions. [2019-11-25 08:55:31,598 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:55:31,598 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 24 transitions. [2019-11-25 08:55:31,598 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-25 08:55:31,598 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-25 08:55:31,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2019-11-25 08:55:31,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:55:31,599 INFO L688 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2019-11-25 08:55:31,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2019-11-25 08:55:31,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2019-11-25 08:55:31,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-25 08:55:31,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2019-11-25 08:55:31,601 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2019-11-25 08:55:31,601 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2019-11-25 08:55:31,602 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-25 08:55:31,602 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 23 transitions. [2019-11-25 08:55:31,602 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:55:31,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:31,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:31,603 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:55:31,603 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:55:31,603 INFO L794 eck$LassoCheckResult]: Stem: 276#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 266#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 267#L574 assume !(main_~Alen~0 < 1); 268#L574-2 assume !(main_~Blen~0 < 1); 280#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 277#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 270#L558-2 [2019-11-25 08:55:31,604 INFO L796 eck$LassoCheckResult]: Loop: 270#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 269#L558 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem3;havoc diff_#t~mem2;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 270#L558-2 [2019-11-25 08:55:31,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:31,604 INFO L82 PathProgramCache]: Analyzing trace with hash 889572242, now seen corresponding path program 1 times [2019-11-25 08:55:31,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:31,604 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131523648] [2019-11-25 08:55:31,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:31,623 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:31,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:31,624 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 1 times [2019-11-25 08:55:31,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:31,624 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747349817] [2019-11-25 08:55:31,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:31,632 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:31,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:31,633 INFO L82 PathProgramCache]: Analyzing trace with hash 180433719, now seen corresponding path program 1 times [2019-11-25 08:55:31,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:31,633 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84008614] [2019-11-25 08:55:31,633 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:31,680 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:32,209 WARN L192 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 110 [2019-11-25 08:55:32,395 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-11-25 08:55:32,397 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:55:32,397 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:55:32,397 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:55:32,397 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:55:32,397 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:55:32,397 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:32,397 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:55:32,397 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:55:32,398 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration5_Lasso [2019-11-25 08:55:32,398 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:55:32,398 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:55:32,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,717 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2019-11-25 08:55:32,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:32,950 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-11-25 08:55:33,268 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-11-25 08:55:33,387 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:55:33,387 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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 [2019-11-25 08:55:33,398 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 [2019-11-25 08:55:33,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:33,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:33,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:33,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:33,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:33,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:33,405 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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) [2019-11-25 08:55:33,418 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 [2019-11-25 08:55:33,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:33,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:33,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:33,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:33,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:33,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:33,420 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 [2019-11-25 08:55:33,422 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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) [2019-11-25 08:55:33,428 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 [2019-11-25 08:55:33,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:33,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:33,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:33,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:33,432 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:33,432 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:33,435 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:55:33,441 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 [2019-11-25 08:55:33,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:33,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:33,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:33,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:33,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:33,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:33,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:33,445 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:55:33,454 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 [2019-11-25 08:55:33,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:33,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:33,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:33,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:33,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:33,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:33,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:33,458 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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) [2019-11-25 08:55:33,463 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 [2019-11-25 08:55:33,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:33,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:33,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:33,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:33,467 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:33,467 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:33,471 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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) [2019-11-25 08:55:33,478 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 [2019-11-25 08:55:33,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:33,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:33,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:33,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:33,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:33,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:33,480 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 [2019-11-25 08:55:33,482 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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) [2019-11-25 08:55:33,487 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 [2019-11-25 08:55:33,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:33,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:33,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:33,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:33,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:33,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:33,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:33,491 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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) [2019-11-25 08:55:33,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:33,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:33,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:33,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:33,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:33,500 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:33,500 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:33,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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) [2019-11-25 08:55:33,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:55:33,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:33,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:33,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:33,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:33,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:33,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:33,552 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:55:33,600 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2019-11-25 08:55:33,600 INFO L444 ModelExtractionUtils]: 48 out of 73 variables were initially zero. Simplification set additionally 20 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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 [2019-11-25 08:55:33,603 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:55:33,605 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-25 08:55:33,605 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:55:33,605 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_2, ULTIMATE.start_diff_~j~0) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_2 - 2*ULTIMATE.start_diff_~j~0 Supporting invariants [-2*ULTIMATE.start_diff_~l2~0 + 1*v_rep(select #length ULTIMATE.start_diff_~B.base)_2 >= 0] [2019-11-25 08:55:33,673 INFO L297 tatePredicateManager]: 14 out of 16 supporting invariants were superfluous and have been removed [2019-11-25 08:55:33,677 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:55:33,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:33,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-25 08:55:33,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:33,758 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_80|], 4=[|v_#valid_110|]} [2019-11-25 08:55:33,769 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-25 08:55:33,770 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-25 08:55:33,770 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-25 08:55:33,778 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2019-11-25 08:55:33,778 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 08:55:33,821 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:55:33,840 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:55:33,840 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2019-11-25 08:55:33,841 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 08:55:33,858 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 08:55:33,863 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-25 08:55:33,863 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:48, output treesize:63 [2019-11-25 08:55:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:33,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-25 08:55:33,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:33,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:33,955 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2019-11-25 08:55:33,955 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 23 transitions. cyclomatic complexity: 9 Second operand 5 states. [2019-11-25 08:55:34,063 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 23 transitions. cyclomatic complexity: 9. Second operand 5 states. Result 38 states and 53 transitions. Complement of second has 9 states. [2019-11-25 08:55:34,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:55:34,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-25 08:55:34,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 18 transitions. [2019-11-25 08:55:34,065 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-25 08:55:34,065 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:34,065 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 8 letters. Loop has 2 letters. [2019-11-25 08:55:34,065 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:34,065 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-25 08:55:34,065 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:34,066 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 53 transitions. [2019-11-25 08:55:34,068 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:55:34,068 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 27 states and 39 transitions. [2019-11-25 08:55:34,069 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-25 08:55:34,069 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-11-25 08:55:34,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 39 transitions. [2019-11-25 08:55:34,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-25 08:55:34,069 INFO L688 BuchiCegarLoop]: Abstraction has 27 states and 39 transitions. [2019-11-25 08:55:34,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 39 transitions. [2019-11-25 08:55:34,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 20. [2019-11-25 08:55:34,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-25 08:55:34,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2019-11-25 08:55:34,071 INFO L711 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2019-11-25 08:55:34,071 INFO L591 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2019-11-25 08:55:34,072 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-25 08:55:34,072 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2019-11-25 08:55:34,072 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:55:34,072 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:55:34,072 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:55:34,073 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:34,073 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:55:34,073 INFO L794 eck$LassoCheckResult]: Stem: 451#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 444#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~malloc12.base, main_#t~malloc12.offset, main_~Alen~0, main_~Blen~0, main_~A~0.base, main_~A~0.offset, main_~B~0.base, main_~B~0.offset, main_~D~0.base, main_~D~0.offset;main_~Alen~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~Blen~0 := main_#t~nondet9;havoc main_#t~nondet9; 445#L574 assume !(main_~Alen~0 < 1); 446#L574-2 assume !(main_~Blen~0 < 1); 457#L577-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~A~0.base, main_~A~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(4 * main_~Blen~0);main_~B~0.base, main_~B~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(4 * main_~Alen~0);main_~D~0.base, main_~D~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;diff_#in~A.base, diff_#in~A.offset, diff_#in~Alen, diff_#in~B.base, diff_#in~B.offset, diff_#in~Blen, diff_#in~D.base, diff_#in~D.offset := main_~A~0.base, main_~A~0.offset, main_~Alen~0, main_~B~0.base, main_~B~0.offset, main_~Blen~0, main_~D~0.base, main_~D~0.offset;havoc diff_#t~mem2, diff_#t~mem3, diff_#t~post4, diff_#t~mem5, diff_#t~post6, diff_#t~post7, diff_~j~0, diff_~A.base, diff_~A.offset, diff_~Alen, diff_~B.base, diff_~B.offset, diff_~Blen, diff_~D.base, diff_~D.offset, diff_~k~0, diff_~i~0, diff_~l1~0, diff_~l2~0, diff_~found~0;diff_~A.base, diff_~A.offset := diff_#in~A.base, diff_#in~A.offset;diff_~Alen := diff_#in~Alen;diff_~B.base, diff_~B.offset := diff_#in~B.base, diff_#in~B.offset;diff_~Blen := diff_#in~Blen;diff_~D.base, diff_~D.offset := diff_#in~D.base, diff_#in~D.offset;diff_~k~0 := 0;diff_~i~0 := 0;diff_~l1~0 := diff_~Alen;diff_~l2~0 := diff_~Blen;havoc diff_~found~0; 454#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 455#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 449#L558 assume diff_#t~mem2 == diff_#t~mem3;havoc diff_#t~mem3;havoc diff_#t~mem2;diff_~found~0 := 1; 450#L558-2 assume !(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0); 459#L557-2 assume !(0 == diff_~found~0); 452#L564-1 diff_#t~post7 := diff_~i~0;diff_~i~0 := 1 + diff_#t~post7;havoc diff_#t~post7; 453#L554-2 assume !!(diff_~i~0 < diff_~l1~0);diff_~j~0 := 0;diff_~found~0 := 0; 448#L558-2 [2019-11-25 08:55:34,073 INFO L796 eck$LassoCheckResult]: Loop: 448#L558-2 assume !!(diff_~j~0 < diff_~l2~0 && 0 == diff_~found~0);call diff_#t~mem2 := read~int(diff_~A.base, diff_~A.offset + 4 * diff_~i~0, 4);call diff_#t~mem3 := read~int(diff_~B.base, diff_~B.offset + 4 * diff_~j~0, 4); 447#L558 assume !(diff_#t~mem2 == diff_#t~mem3);havoc diff_#t~mem3;havoc diff_#t~mem2;diff_#t~post4 := diff_~j~0;diff_~j~0 := 1 + diff_#t~post4;havoc diff_#t~post4; 448#L558-2 [2019-11-25 08:55:34,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:34,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1813422420, now seen corresponding path program 2 times [2019-11-25 08:55:34,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:34,074 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689722776] [2019-11-25 08:55:34,074 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:34,105 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:34,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:34,106 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 2 times [2019-11-25 08:55:34,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:34,106 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210992085] [2019-11-25 08:55:34,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:34,113 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:34,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:34,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1057777617, now seen corresponding path program 1 times [2019-11-25 08:55:34,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:34,114 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049651534] [2019-11-25 08:55:34,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:55:34,143 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:55:34,767 WARN L192 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 133 [2019-11-25 08:55:34,928 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-11-25 08:55:34,930 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:55:34,930 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:55:34,930 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:55:34,930 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:55:34,930 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:55:34,930 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:34,930 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:55:34,930 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:55:34,930 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration6_Lasso [2019-11-25 08:55:34,930 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:55:34,930 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:55:34,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:34,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:34,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:34,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:34,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:34,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:34,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:34,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:34,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:34,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:35,318 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 97 [2019-11-25 08:55:35,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:35,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:35,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:35,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:35,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:35,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:35,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:35,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:55:35,532 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-11-25 08:55:35,810 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-11-25 08:55:35,922 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:55:35,923 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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 [2019-11-25 08:55:35,933 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 [2019-11-25 08:55:35,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:35,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:35,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:35,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:35,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:35,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:35,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:35,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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 [2019-11-25 08:55:35,941 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 [2019-11-25 08:55:35,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:35,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:35,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:35,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:35,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:35,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:35,949 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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 [2019-11-25 08:55:35,953 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 [2019-11-25 08:55:35,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:35,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:35,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:35,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:35,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:35,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:35,959 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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 [2019-11-25 08:55:35,964 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 [2019-11-25 08:55:35,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:35,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:35,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:35,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:35,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:35,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:35,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:35,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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 [2019-11-25 08:55:35,970 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 [2019-11-25 08:55:35,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:35,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:35,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:35,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:35,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:35,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:35,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:55:35,973 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:35,976 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 [2019-11-25 08:55:35,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:35,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:35,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:35,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:35,979 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:35,979 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:35,983 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:35,988 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 [2019-11-25 08:55:35,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:35,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:35,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:35,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:35,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:35,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:55:36,000 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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) [2019-11-25 08:55:36,012 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 [2019-11-25 08:55:36,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:36,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:36,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:36,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:36,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:36,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:36,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:36,017 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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) [2019-11-25 08:55:36,030 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 [2019-11-25 08:55:36,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:36,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:55:36,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:36,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:36,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:36,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:55:36,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:36,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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) [2019-11-25 08:55:36,039 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 [2019-11-25 08:55:36,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:36,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:36,041 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-25 08:55:36,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:36,046 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-25 08:55:36,046 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:36,061 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/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) [2019-11-25 08:55:36,067 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 [2019-11-25 08:55:36,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:55:36,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:55:36,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:55:36,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:55:36,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:55:36,086 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 [2019-11-25 08:55:36,117 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:55:36,188 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2019-11-25 08:55:36,188 INFO L444 ModelExtractionUtils]: 51 out of 73 variables were initially zero. Simplification set additionally 18 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d02d4643-d87b-47e5-822d-bec46abdae8f/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:55:36,191 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:55:36,193 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:55:36,194 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:55:36,194 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_diff_~B.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_3, ULTIMATE.start_diff_~j~0) = -1*ULTIMATE.start_diff_~B.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_3 - 4*ULTIMATE.start_diff_~j~0 Supporting invariants [] [2019-11-25 08:55:36,235 INFO L297 tatePredicateManager]: 17 out of 18 supporting invariants were superfluous and have been removed [2019-11-25 08:55:36,237 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:55:36,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:36,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-25 08:55:36,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:36,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:55:36,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:36,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:36,318 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 [2019-11-25 08:55:36,318 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand 4 states. [2019-11-25 08:55:36,357 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12. Second operand 4 states. Result 36 states and 51 transitions. Complement of second has 8 states. [2019-11-25 08:55:36,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:55:36,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:55:36,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2019-11-25 08:55:36,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 12 letters. Loop has 2 letters. [2019-11-25 08:55:36,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:36,361 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-25 08:55:36,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:36,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-25 08:55:36,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:36,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:55:36,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:36,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:36,420 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 [2019-11-25 08:55:36,420 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand 4 states. [2019-11-25 08:55:36,456 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12. Second operand 4 states. Result 36 states and 51 transitions. Complement of second has 8 states. [2019-11-25 08:55:36,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:55:36,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:55:36,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2019-11-25 08:55:36,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 12 letters. Loop has 2 letters. [2019-11-25 08:55:36,457 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:36,457 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-25 08:55:36,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:36,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-25 08:55:36,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:36,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:55:36,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:36,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:55:36,533 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 [2019-11-25 08:55:36,533 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand 4 states. [2019-11-25 08:55:36,566 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12. Second operand 4 states. Result 34 states and 51 transitions. Complement of second has 7 states. [2019-11-25 08:55:36,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:55:36,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:55:36,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2019-11-25 08:55:36,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 12 letters. Loop has 2 letters. [2019-11-25 08:55:36,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:36,568 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 14 letters. Loop has 2 letters. [2019-11-25 08:55:36,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:36,568 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 12 letters. Loop has 4 letters. [2019-11-25 08:55:36,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:55:36,568 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 51 transitions. [2019-11-25 08:55:36,570 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:55:36,570 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2019-11-25 08:55:36,571 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:55:36,571 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:55:36,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:55:36,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:55:36,571 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:55:36,571 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:55:36,571 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:55:36,571 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-25 08:55:36,571 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:55:36,571 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:55:36,571 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:55:36,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:55:36 BoogieIcfgContainer [2019-11-25 08:55:36,577 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:55:36,577 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:55:36,577 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:55:36,577 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:55:36,578 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:27" (3/4) ... [2019-11-25 08:55:36,581 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:55:36,581 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:55:36,582 INFO L168 Benchmark]: Toolchain (without parser) took 9931.34 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 227.0 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -225.7 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:36,582 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:55:36,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.06 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: -188.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:36,583 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:55:36,583 INFO L168 Benchmark]: Boogie Preprocessor took 35.14 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:36,584 INFO L168 Benchmark]: RCFGBuilder took 351.93 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:36,584 INFO L168 Benchmark]: BuchiAutomizer took 8931.41 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 81.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -66.3 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:36,585 INFO L168 Benchmark]: Witness Printer took 3.61 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. [2019-11-25 08:55:36,587 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 563.06 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: -188.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.14 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 351.93 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8931.41 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 81.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -66.3 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.61 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 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -4 * i + unknown-#length-unknown[__builtin_alloca (Alen * sizeof(int))] and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (Blen * sizeof(int))] + -2 * j and consists of 6 locations. One nondeterministic module has affine ranking function -1 * B + unknown-#length-unknown[__builtin_alloca (Blen * sizeof(int))] + -4 * j and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.8s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 7.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 13 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 5. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 108 SDtfs, 119 SDslu, 71 SDs, 0 SdLazy, 87 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital264 mio100 ax106 hnf99 lsp84 ukn88 mio100 lsp52 div100 bol100 ite100 ukn100 eq186 hnf89 smp100 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 3 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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...