./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/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 cb5770b8d32c05b82025135c2b222cf31b0a4100 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 16:05:02,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:05:02,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:05:02,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:05:02,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:05:02,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:05:02,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:05:02,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:05:02,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:05:02,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:05:02,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:05:02,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:05:02,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:05:02,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:05:02,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:05:02,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:05:02,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:05:02,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:05:02,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:05:02,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:05:02,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:05:02,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:05:02,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:05:02,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:05:02,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:05:02,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:05:02,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:05:02,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:05:02,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:05:02,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:05:02,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:05:02,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:05:02,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:05:02,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:05:02,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:05:02,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:05:02,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:05:02,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:05:02,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:05:02,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:05:02,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:05:02,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 16:05:02,144 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:05:02,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:05:02,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:05:02,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:05:02,145 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:05:02,145 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 16:05:02,145 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 16:05:02,145 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 16:05:02,145 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 16:05:02,145 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 16:05:02,146 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 16:05:02,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:05:02,146 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 16:05:02,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:05:02,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:05:02,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 16:05:02,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 16:05:02,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 16:05:02,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:05:02,147 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 16:05:02,147 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:05:02,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 16:05:02,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:05:02,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:05:02,147 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 16:05:02,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:05:02,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:05:02,148 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:05:02,148 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 16:05:02,148 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 16:05:02,148 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_58db4195-decd-419f-bf4f-46e51ee3806b/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 -> cb5770b8d32c05b82025135c2b222cf31b0a4100 [2019-12-07 16:05:02,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:05:02,260 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:05:02,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:05:02,264 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:05:02,264 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:05:02,265 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2019-12-07 16:05:02,307 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/data/238410802/cf11415cf9e14ad0a6213d561832535c/FLAGe0c9ca8c5 [2019-12-07 16:05:02,641 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:05:02,642 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2019-12-07 16:05:02,651 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/data/238410802/cf11415cf9e14ad0a6213d561832535c/FLAGe0c9ca8c5 [2019-12-07 16:05:02,659 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/data/238410802/cf11415cf9e14ad0a6213d561832535c [2019-12-07 16:05:02,661 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:05:02,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:05:02,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:05:02,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:05:02,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:05:02,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:05:02" (1/1) ... [2019-12-07 16:05:02,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55f901aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:05:02, skipping insertion in model container [2019-12-07 16:05:02,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:05:02" (1/1) ... [2019-12-07 16:05:02,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:05:02,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:05:02,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:05:02,919 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:05:02,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:05:02,978 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:05:02,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:05:02 WrapperNode [2019-12-07 16:05:02,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:05:02,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:05:02,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:05:02,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:05:02,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:05:02" (1/1) ... [2019-12-07 16:05:02,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:05:02" (1/1) ... [2019-12-07 16:05:03,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:05:03,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:05:03,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:05:03,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:05:03,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:05:02" (1/1) ... [2019-12-07 16:05:03,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:05:02" (1/1) ... [2019-12-07 16:05:03,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:05:02" (1/1) ... [2019-12-07 16:05:03,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:05:02" (1/1) ... [2019-12-07 16:05:03,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:05:02" (1/1) ... [2019-12-07 16:05:03,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:05:02" (1/1) ... [2019-12-07 16:05:03,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:05:02" (1/1) ... [2019-12-07 16:05:03,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:05:03,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:05:03,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:05:03,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:05:03,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:05:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 16:05:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 16:05:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:05:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:05:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:05:03,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:05:03,321 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:05:03,321 INFO L287 CfgBuilder]: Removed 12 assume(true) statements. [2019-12-07 16:05:03,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:05:03 BoogieIcfgContainer [2019-12-07 16:05:03,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:05:03,323 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 16:05:03,323 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 16:05:03,325 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 16:05:03,325 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:05:03,326 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 04:05:02" (1/3) ... [2019-12-07 16:05:03,326 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a1d8ac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 04:05:03, skipping insertion in model container [2019-12-07 16:05:03,326 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:05:03,326 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:05:02" (2/3) ... [2019-12-07 16:05:03,327 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a1d8ac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 04:05:03, skipping insertion in model container [2019-12-07 16:05:03,327 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 16:05:03,327 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:05:03" (3/3) ... [2019-12-07 16:05:03,328 INFO L371 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2019-12-07 16:05:03,356 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 16:05:03,357 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 16:05:03,357 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 16:05:03,357 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:05:03,357 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:05:03,357 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 16:05:03,357 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:05:03,357 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 16:05:03,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states. [2019-12-07 16:05:03,381 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2019-12-07 16:05:03,381 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:05:03,381 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:05:03,385 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 16:05:03,385 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 16:05:03,385 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 16:05:03,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states. [2019-12-07 16:05:03,387 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2019-12-07 16:05:03,387 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:05:03,387 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:05:03,387 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 16:05:03,387 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 16:05:03,392 INFO L794 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 14#L-1true havoc main_#res;havoc main_#t~nondet21; 8#L578true assume 0 != main_#t~nondet21;havoc main_#t~nondet21;f_#in~d := 1;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 3#L558true assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 23#L562-2true [2019-12-07 16:05:03,392 INFO L796 eck$LassoCheckResult]: Loop: 23#L562-2true call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 18#L562true assume !!(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem8;havoc f_#t~mem9;call f_#t~mem10 := read~int(f_~z~0.base, f_~z~0.offset, 4);call write~int(2 * f_#t~mem10, f_~z~0.base, f_~z~0.offset, 4);havoc f_#t~mem10; 23#L562-2true [2019-12-07 16:05:03,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:05:03,396 INFO L82 PathProgramCache]: Analyzing trace with hash 925608, now seen corresponding path program 1 times [2019-12-07 16:05:03,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:05:03,402 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43268692] [2019-12-07 16:05:03,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:05:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:03,546 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:05:03,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:05:03,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1446, now seen corresponding path program 1 times [2019-12-07 16:05:03,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:05:03,547 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617940608] [2019-12-07 16:05:03,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:05:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:03,560 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:05:03,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:05:03,561 INFO L82 PathProgramCache]: Analyzing trace with hash 889509773, now seen corresponding path program 1 times [2019-12-07 16:05:03,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:05:03,562 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581031508] [2019-12-07 16:05:03,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:05:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:05:03,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:05:03,674 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581031508] [2019-12-07 16:05:03,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:05:03,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 16:05:03,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184140616] [2019-12-07 16:05:03,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:05:03,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:05:03,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:05:03,731 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2019-12-07 16:05:03,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:05:03,835 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2019-12-07 16:05:03,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:05:03,837 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2019-12-07 16:05:03,839 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-12-07 16:05:03,844 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 29 states and 38 transitions. [2019-12-07 16:05:03,845 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2019-12-07 16:05:03,845 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2019-12-07 16:05:03,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 38 transitions. [2019-12-07 16:05:03,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 16:05:03,846 INFO L688 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2019-12-07 16:05:03,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 38 transitions. [2019-12-07 16:05:03,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 19. [2019-12-07 16:05:03,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 16:05:03,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2019-12-07 16:05:03,866 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2019-12-07 16:05:03,866 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2019-12-07 16:05:03,866 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 16:05:03,866 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2019-12-07 16:05:03,867 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-12-07 16:05:03,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:05:03,867 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:05:03,867 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 16:05:03,867 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 16:05:03,868 INFO L794 eck$LassoCheckResult]: Stem: 93#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 92#L-1 havoc main_#res;havoc main_#t~nondet21; 85#L578 assume 0 != main_#t~nondet21;havoc main_#t~nondet21;f_#in~d := 1;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 78#L558 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 79#L562-2 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 94#L562 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem8;havoc f_#t~mem9; 81#L567-2 [2019-12-07 16:05:03,868 INFO L796 eck$LassoCheckResult]: Loop: 81#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 89#L566 assume !f_#t~short13; 90#L566-2 assume !!f_#t~short13;havoc f_#t~mem11;havoc f_#t~short13;havoc f_#t~mem12; 86#L567 assume !(0 != f_#t~nondet14);havoc f_#t~nondet14;call f_#t~mem19 := read~int(f_~y~0.base, f_~y~0.offset, 4);call f_#t~mem20 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem19 - f_#t~mem20, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~mem19;havoc f_#t~mem20; 81#L567-2 [2019-12-07 16:05:03,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:05:03,868 INFO L82 PathProgramCache]: Analyzing trace with hash 889509771, now seen corresponding path program 1 times [2019-12-07 16:05:03,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:05:03,869 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762909775] [2019-12-07 16:05:03,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:05:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:03,925 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:05:03,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:05:03,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1759853, now seen corresponding path program 1 times [2019-12-07 16:05:03,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:05:03,926 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017512978] [2019-12-07 16:05:03,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:05:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:05:03,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:05:03,937 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017512978] [2019-12-07 16:05:03,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:05:03,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:05:03,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610014412] [2019-12-07 16:05:03,938 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 16:05:03,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:05:03,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:05:03,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:05:03,938 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 7 Second operand 3 states. [2019-12-07 16:05:03,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:05:03,962 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2019-12-07 16:05:03,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:05:03,962 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2019-12-07 16:05:03,963 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-12-07 16:05:03,963 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 19 states and 22 transitions. [2019-12-07 16:05:03,964 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2019-12-07 16:05:03,964 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2019-12-07 16:05:03,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 22 transitions. [2019-12-07 16:05:03,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 16:05:03,964 INFO L688 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-12-07 16:05:03,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 22 transitions. [2019-12-07 16:05:03,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-12-07 16:05:03,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 16:05:03,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2019-12-07 16:05:03,966 INFO L711 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-12-07 16:05:03,966 INFO L591 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-12-07 16:05:03,966 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 16:05:03,966 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 22 transitions. [2019-12-07 16:05:03,966 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-12-07 16:05:03,966 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:05:03,966 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:05:03,967 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 16:05:03,967 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 16:05:03,967 INFO L794 eck$LassoCheckResult]: Stem: 139#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 137#L-1 havoc main_#res;havoc main_#t~nondet21; 131#L578 assume 0 != main_#t~nondet21;havoc main_#t~nondet21;f_#in~d := 1;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 124#L558 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 125#L562-2 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 140#L562 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem8;havoc f_#t~mem9; 127#L567-2 [2019-12-07 16:05:03,967 INFO L796 eck$LassoCheckResult]: Loop: 127#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 135#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 136#L566-2 assume !!f_#t~short13;havoc f_#t~mem11;havoc f_#t~short13;havoc f_#t~mem12; 132#L567 assume !(0 != f_#t~nondet14);havoc f_#t~nondet14;call f_#t~mem19 := read~int(f_~y~0.base, f_~y~0.offset, 4);call f_#t~mem20 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem19 - f_#t~mem20, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~mem19;havoc f_#t~mem20; 127#L567-2 [2019-12-07 16:05:03,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:05:03,967 INFO L82 PathProgramCache]: Analyzing trace with hash 889509771, now seen corresponding path program 2 times [2019-12-07 16:05:03,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:05:03,967 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564209345] [2019-12-07 16:05:03,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:05:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:03,999 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:05:03,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:05:03,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1757931, now seen corresponding path program 1 times [2019-12-07 16:05:03,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:05:04,000 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848083916] [2019-12-07 16:05:04,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:05:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:04,008 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:05:04,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:05:04,009 INFO L82 PathProgramCache]: Analyzing trace with hash -260778635, now seen corresponding path program 1 times [2019-12-07 16:05:04,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:05:04,009 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894889794] [2019-12-07 16:05:04,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:05:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:04,040 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:05:05,044 WARN L192 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 123 [2019-12-07 16:05:05,414 WARN L192 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-12-07 16:05:05,423 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 16:05:05,424 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 16:05:05,424 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 16:05:05,424 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 16:05:05,424 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 16:05:05,424 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:05,424 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 16:05:05,424 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 16:05:05,425 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i_Iteration3_Lasso [2019-12-07 16:05:05,425 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 16:05:05,425 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 16:05:05,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:05,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:05,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:05,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:05,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:05,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:05,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:05,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:06,037 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 92 [2019-12-07 16:05:06,154 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-12-07 16:05:06,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:06,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:06,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:06,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:06,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:06,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:06,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:06,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:06,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:06,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:06,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:06,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:06,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:06,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:06,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:06,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:06,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:06,582 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 16:05:06,585 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:06,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:06,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:06,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:05:06,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:06,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:06,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:06,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:05:06,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:05:06,595 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:06,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:06,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:06,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:06,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:06,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:06,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:05:06,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:05:06,606 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:06,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:06,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:06,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:05:06,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:06,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:06,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:06,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:05:06,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:05:06,613 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:06,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:06,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:06,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:05:06,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:06,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:06,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:06,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:05:06,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:05:06,620 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:06,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:06,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:06,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:05:06,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:06,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:06,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:06,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:05:06,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:05:06,628 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:06,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:06,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:06,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:06,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:06,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:06,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:05:06,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:05:06,637 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:06,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:06,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:06,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:05:06,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:06,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:06,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:06,643 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:05:06,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:05:06,644 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:06,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:06,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:06,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:06,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:06,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:06,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:05:06,652 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:05:06,656 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:06,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:06,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:06,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:06,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:06,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:06,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:05:06,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:05:06,669 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:06,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:06,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:06,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:06,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:06,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:06,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:05:06,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:05:06,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:06,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:06,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:06,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:06,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:06,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:06,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:05:06,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:05:06,707 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:06,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:06,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:06,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:06,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:06,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:06,714 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:05:06,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:05:06,717 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:06,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:06,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:06,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:06,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:06,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:06,726 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:05:06,726 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:05:06,730 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:06,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:06,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:06,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:06,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:06,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:06,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:05:06,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:05:06,739 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:06,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:06,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:06,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:06,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:06,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:06,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:05:06,747 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:05:06,753 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 16:05:06,767 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-12-07 16:05:06,767 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:06,774 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 16:05:06,785 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-12-07 16:05:06,785 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 16:05:06,785 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~y~0.base) ULTIMATE.start_f_~y~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_f_~y~0.base) ULTIMATE.start_f_~y~0.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_f_~d_ref~0.base) ULTIMATE.start_f_~d_ref~0.offset)_1 - 1 >= 0] [2019-12-07 16:05:07,014 INFO L297 tatePredicateManager]: 60 out of 64 supporting invariants were superfluous and have been removed [2019-12-07 16:05:07,022 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 16:05:07,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:05:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:05:07,060 INFO L264 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 31 conjunts are in the unsatisfiable core [2019-12-07 16:05:07,061 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:05:07,138 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:05:07,138 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 101 [2019-12-07 16:05:07,139 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:05:07,202 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:05:07,207 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 16:05:07,233 INFO L343 Elim1Store]: treesize reduction 107, result has 12.3 percent of original size [2019-12-07 16:05:07,233 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 251 treesize of output 36 [2019-12-07 16:05:07,233 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 16:05:07,258 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:05:07,260 INFO L534 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2019-12-07 16:05:07,260 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:312, output treesize:70 [2019-12-07 16:05:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:05:07,319 INFO L264 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 16:05:07,319 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:05:07,321 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:05:07,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:05:07,368 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-12-07 16:05:07,368 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 22 transitions. cyclomatic complexity: 5 Second operand 6 states. [2019-12-07 16:05:07,452 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 22 transitions. cyclomatic complexity: 5. Second operand 6 states. Result 29 states and 34 transitions. Complement of second has 10 states. [2019-12-07 16:05:07,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 16:05:07,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-07 16:05:07,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2019-12-07 16:05:07,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 4 letters. [2019-12-07 16:05:07,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:05:07,456 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 10 letters. Loop has 4 letters. [2019-12-07 16:05:07,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:05:07,456 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 8 letters. [2019-12-07 16:05:07,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:05:07,457 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2019-12-07 16:05:07,458 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-12-07 16:05:07,458 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 28 states and 33 transitions. [2019-12-07 16:05:07,459 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2019-12-07 16:05:07,459 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2019-12-07 16:05:07,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2019-12-07 16:05:07,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:05:07,459 INFO L688 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2019-12-07 16:05:07,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2019-12-07 16:05:07,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2019-12-07 16:05:07,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-12-07 16:05:07,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2019-12-07 16:05:07,462 INFO L711 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2019-12-07 16:05:07,462 INFO L591 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2019-12-07 16:05:07,462 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 16:05:07,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 32 transitions. [2019-12-07 16:05:07,463 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-12-07 16:05:07,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:05:07,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:05:07,463 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 16:05:07,464 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 16:05:07,464 INFO L794 eck$LassoCheckResult]: Stem: 515#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 512#L-1 havoc main_#res;havoc main_#t~nondet21; 501#L578 assume !(0 != main_#t~nondet21);havoc main_#t~nondet21;f_#in~d := 2;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 498#L558-1 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 499#L562-5 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 500#L562-3 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem8;havoc f_#t~mem9; 506#L567-5 [2019-12-07 16:05:07,464 INFO L796 eck$LassoCheckResult]: Loop: 506#L567-5 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 518#L566-5 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 519#L566-7 assume !!f_#t~short13;havoc f_#t~mem11;havoc f_#t~short13;havoc f_#t~mem12; 514#L567-3 assume !(0 != f_#t~nondet14);havoc f_#t~nondet14;call f_#t~mem19 := read~int(f_~y~0.base, f_~y~0.offset, 4);call f_#t~mem20 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem19 - f_#t~mem20, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~mem19;havoc f_#t~mem20; 506#L567-5 [2019-12-07 16:05:07,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:05:07,464 INFO L82 PathProgramCache]: Analyzing trace with hash 890987403, now seen corresponding path program 1 times [2019-12-07 16:05:07,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:05:07,464 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751869267] [2019-12-07 16:05:07,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:05:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:07,498 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:05:07,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:05:07,499 INFO L82 PathProgramCache]: Analyzing trace with hash 3235563, now seen corresponding path program 1 times [2019-12-07 16:05:07,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:05:07,499 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396742517] [2019-12-07 16:05:07,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:05:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:07,509 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:05:07,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:05:07,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1434718859, now seen corresponding path program 1 times [2019-12-07 16:05:07,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:05:07,510 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797680371] [2019-12-07 16:05:07,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:05:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:07,542 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:05:08,574 WARN L192 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 123 [2019-12-07 16:05:08,879 WARN L192 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-12-07 16:05:08,882 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 16:05:08,882 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 16:05:08,882 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 16:05:08,882 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 16:05:08,882 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 16:05:08,882 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:08,882 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 16:05:08,882 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 16:05:08,882 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i_Iteration4_Lasso [2019-12-07 16:05:08,882 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 16:05:08,882 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 16:05:08,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:08,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:08,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:08,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:08,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:08,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:08,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:08,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:08,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:08,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:08,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:08,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:08,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:08,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:08,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:09,410 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 91 [2019-12-07 16:05:09,515 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-12-07 16:05:09,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:09,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:09,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:09,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:09,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:09,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:09,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:09,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:09,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:09,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 16:05:09,888 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 16:05:09,888 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:09,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:09,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:09,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:05:09,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:09,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:09,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:09,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:05:09,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:05:09,893 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:09,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:09,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:09,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:05:09,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:09,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:09,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:09,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:05:09,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:05:09,899 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:09,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:09,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:09,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:05:09,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:09,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:09,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:09,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:05:09,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:05:09,906 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:09,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:09,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:09,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:09,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:09,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:09,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:05:09,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:05:09,915 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:09,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:09,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:09,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:05:09,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:09,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:09,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:09,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:05:09,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:05:09,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:09,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:09,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:09,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:09,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:09,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:09,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:05:09,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:05:09,929 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:09,933 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 [2019-12-07 16:05:09,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:09,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:05:09,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:09,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:09,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:09,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:05:09,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:05:09,936 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:09,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:09,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:09,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:05:09,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:09,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:09,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:09,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:05:09,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:05:09,942 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:09,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:09,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:09,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:09,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:09,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:09,949 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:05:09,949 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:05:09,951 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:09,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:09,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:09,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:05:09,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:09,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:09,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:09,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:05:09,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:05:09,957 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:09,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:09,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:09,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:09,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:09,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:09,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:05:09,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:05:09,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:09,970 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 [2019-12-07 16:05:09,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:09,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:05:09,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:09,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:09,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:09,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:05:09,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:05:09,972 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:09,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:09,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:09,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 16:05:09,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:09,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:09,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:09,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 16:05:09,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 16:05:09,981 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:09,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:09,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:09,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:09,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:09,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:09,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:05:09,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:05:09,999 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:10,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:10,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:10,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:10,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:10,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:10,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:05:10,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:05:10,007 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:10,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:10,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:10,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:10,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:10,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:10,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:05:10,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:05:10,017 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:10,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:10,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:10,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:10,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:10,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:10,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:05:10,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:05:10,025 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:10,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:10,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:10,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:10,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:10,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:10,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:05:10,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:05:10,043 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:10,049 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 [2019-12-07 16:05:10,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:10,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:10,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:10,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:10,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:05:10,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:05:10,068 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:10,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 16:05:10,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 16:05:10,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 16:05:10,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 16:05:10,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 16:05:10,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 16:05:10,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 16:05:10,082 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 16:05:10,088 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-12-07 16:05:10,088 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 16:05:10,091 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 16:05:10,093 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-12-07 16:05:10,093 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 16:05:10,093 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~y~0.base) ULTIMATE.start_f_~y~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_f_~y~0.base) ULTIMATE.start_f_~y~0.offset)_2 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_f_~d_ref~0.base) ULTIMATE.start_f_~d_ref~0.offset)_2 - 2 >= 0] [2019-12-07 16:05:10,278 INFO L297 tatePredicateManager]: 55 out of 59 supporting invariants were superfluous and have been removed [2019-12-07 16:05:10,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-12-07 16:05:10,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:05:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:05:10,317 INFO L264 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 23 conjunts are in the unsatisfiable core [2019-12-07 16:05:10,317 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:05:10,393 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:05:10,393 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 101 [2019-12-07 16:05:10,394 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:05:10,460 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:05:10,464 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 16:05:10,465 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 16:05:10,466 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 36 [2019-12-07 16:05:10,466 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 16:05:10,491 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:05:10,492 INFO L534 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2019-12-07 16:05:10,493 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 10 variables, input treesize:312, output treesize:83 [2019-12-07 16:05:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:05:10,527 INFO L264 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 16:05:10,527 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:05:10,528 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:05:10,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:05:10,569 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-12-07 16:05:10,570 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8 Second operand 6 states. [2019-12-07 16:05:10,767 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8. Second operand 6 states. Result 37 states and 44 transitions. Complement of second has 10 states. [2019-12-07 16:05:10,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 16:05:10,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-07 16:05:10,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2019-12-07 16:05:10,768 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 4 letters. [2019-12-07 16:05:10,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:05:10,769 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 10 letters. Loop has 4 letters. [2019-12-07 16:05:10,769 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:05:10,769 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 8 letters. [2019-12-07 16:05:10,769 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 16:05:10,769 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 44 transitions. [2019-12-07 16:05:10,770 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-12-07 16:05:10,771 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 36 states and 43 transitions. [2019-12-07 16:05:10,771 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2019-12-07 16:05:10,771 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2019-12-07 16:05:10,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 43 transitions. [2019-12-07 16:05:10,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:05:10,771 INFO L688 BuchiCegarLoop]: Abstraction has 36 states and 43 transitions. [2019-12-07 16:05:10,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 43 transitions. [2019-12-07 16:05:10,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2019-12-07 16:05:10,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 16:05:10,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2019-12-07 16:05:10,774 INFO L711 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2019-12-07 16:05:10,774 INFO L591 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2019-12-07 16:05:10,774 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 16:05:10,774 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 42 transitions. [2019-12-07 16:05:10,775 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-12-07 16:05:10,775 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:05:10,775 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:05:10,775 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:05:10,775 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 16:05:10,775 INFO L794 eck$LassoCheckResult]: Stem: 882#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 881#L-1 havoc main_#res;havoc main_#t~nondet21; 867#L578 assume 0 != main_#t~nondet21;havoc main_#t~nondet21;f_#in~d := 1;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 860#L558 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 861#L562-2 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 886#L562 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem8;havoc f_#t~mem9; 887#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 873#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 874#L566-2 assume !!f_#t~short13;havoc f_#t~mem11;havoc f_#t~short13;havoc f_#t~mem12; 868#L567 assume 0 != f_#t~nondet14;havoc f_#t~nondet14; 862#L568 [2019-12-07 16:05:10,775 INFO L796 eck$LassoCheckResult]: Loop: 862#L568 call f_#t~mem15 := read~int(f_~x~0.base, f_~x~0.offset, 4);call f_#t~mem16 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem15 - f_#t~mem16, f_~x~0.base, f_~x~0.offset, 4);havoc f_#t~mem15;havoc f_#t~mem16;call write~int(f_#t~nondet17, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~nondet17;call f_#t~mem18 := read~int(f_~z~0.base, f_~z~0.offset, 4);call write~int(f_#t~mem18 - 1, f_~z~0.base, f_~z~0.offset, 4);havoc f_#t~mem18; 863#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 877#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 892#L566-2 assume !!f_#t~short13;havoc f_#t~mem11;havoc f_#t~short13;havoc f_#t~mem12; 891#L567 assume 0 != f_#t~nondet14;havoc f_#t~nondet14; 862#L568 [2019-12-07 16:05:10,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:05:10,776 INFO L82 PathProgramCache]: Analyzing trace with hash -260778639, now seen corresponding path program 1 times [2019-12-07 16:05:10,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:05:10,776 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131640496] [2019-12-07 16:05:10,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:05:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:10,810 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:05:10,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:05:10,811 INFO L82 PathProgramCache]: Analyzing trace with hash 69174960, now seen corresponding path program 1 times [2019-12-07 16:05:10,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:05:10,811 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366176370] [2019-12-07 16:05:10,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:05:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:10,824 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:05:10,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:05:10,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1938200384, now seen corresponding path program 1 times [2019-12-07 16:05:10,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:05:10,825 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894848665] [2019-12-07 16:05:10,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:05:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:05:11,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:05:11,115 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894848665] [2019-12-07 16:05:11,115 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746691196] [2019-12-07 16:05:11,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:05:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:05:11,154 INFO L264 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 39 conjunts are in the unsatisfiable core [2019-12-07 16:05:11,156 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:05:11,218 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:05:11,219 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 101 [2019-12-07 16:05:11,219 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:05:11,275 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:05:11,280 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 36 [2019-12-07 16:05:11,281 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 16:05:11,303 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:05:11,304 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 16:05:11,304 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:308, output treesize:82 [2019-12-07 16:05:11,351 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 16:05:11,352 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 16:05:11,356 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 57 [2019-12-07 16:05:11,357 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:05:11,380 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:05:11,382 INFO L534 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-12-07 16:05:11,382 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:237, output treesize:53 [2019-12-07 16:05:11,399 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:05:11,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:05:11,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 16:05:11,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-12-07 16:05:11,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797241200] [2019-12-07 16:05:11,542 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2019-12-07 16:05:11,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:05:11,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 16:05:11,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-12-07 16:05:11,596 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. cyclomatic complexity: 11 Second operand 11 states. [2019-12-07 16:05:11,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:05:11,933 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2019-12-07 16:05:11,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 16:05:11,934 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 60 transitions. [2019-12-07 16:05:11,934 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-12-07 16:05:11,935 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 42 states and 48 transitions. [2019-12-07 16:05:11,935 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2019-12-07 16:05:11,935 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2019-12-07 16:05:11,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 48 transitions. [2019-12-07 16:05:11,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:05:11,935 INFO L688 BuchiCegarLoop]: Abstraction has 42 states and 48 transitions. [2019-12-07 16:05:11,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 48 transitions. [2019-12-07 16:05:11,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2019-12-07 16:05:11,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-12-07 16:05:11,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2019-12-07 16:05:11,937 INFO L711 BuchiCegarLoop]: Abstraction has 39 states and 45 transitions. [2019-12-07 16:05:11,938 INFO L591 BuchiCegarLoop]: Abstraction has 39 states and 45 transitions. [2019-12-07 16:05:11,938 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 16:05:11,938 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 45 transitions. [2019-12-07 16:05:11,938 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-12-07 16:05:11,938 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:05:11,938 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:05:11,938 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:05:11,939 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 16:05:11,939 INFO L794 eck$LassoCheckResult]: Stem: 1040#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1039#L-1 havoc main_#res;havoc main_#t~nondet21; 1022#L578 assume !(0 != main_#t~nondet21);havoc main_#t~nondet21;f_#in~d := 2;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 1019#L558-1 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 1020#L562-5 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 1021#L562-3 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem8;havoc f_#t~mem9; 1047#L567-5 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 1044#L566-5 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 1045#L566-7 assume !!f_#t~short13;havoc f_#t~mem11;havoc f_#t~short13;havoc f_#t~mem12; 1036#L567-3 assume 0 != f_#t~nondet14;havoc f_#t~nondet14; 1026#L568-1 [2019-12-07 16:05:11,939 INFO L796 eck$LassoCheckResult]: Loop: 1026#L568-1 call f_#t~mem15 := read~int(f_~x~0.base, f_~x~0.offset, 4);call f_#t~mem16 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem15 - f_#t~mem16, f_~x~0.base, f_~x~0.offset, 4);havoc f_#t~mem15;havoc f_#t~mem16;call write~int(f_#t~nondet17, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~nondet17;call f_#t~mem18 := read~int(f_~z~0.base, f_~z~0.offset, 4);call write~int(f_#t~mem18 - 1, f_~z~0.base, f_~z~0.offset, 4);havoc f_#t~mem18; 1027#L567-5 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 1042#L566-5 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 1051#L566-7 assume !!f_#t~short13;havoc f_#t~mem11;havoc f_#t~short13;havoc f_#t~mem12; 1050#L567-3 assume 0 != f_#t~nondet14;havoc f_#t~nondet14; 1026#L568-1 [2019-12-07 16:05:11,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:05:11,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1434718863, now seen corresponding path program 1 times [2019-12-07 16:05:11,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:05:11,939 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907574099] [2019-12-07 16:05:11,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:05:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:11,956 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:05:11,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:05:11,956 INFO L82 PathProgramCache]: Analyzing trace with hash 114981600, now seen corresponding path program 1 times [2019-12-07 16:05:11,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:05:11,956 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350814168] [2019-12-07 16:05:11,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:05:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:11,964 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:05:11,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:05:11,964 INFO L82 PathProgramCache]: Analyzing trace with hash -588680336, now seen corresponding path program 1 times [2019-12-07 16:05:11,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:05:11,964 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742945231] [2019-12-07 16:05:11,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:05:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:05:12,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:05:12,114 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742945231] [2019-12-07 16:05:12,114 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764957264] [2019-12-07 16:05:12,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:05:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:05:12,148 INFO L264 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 39 conjunts are in the unsatisfiable core [2019-12-07 16:05:12,149 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:05:12,199 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:05:12,199 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 70 [2019-12-07 16:05:12,200 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:05:12,259 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:05:12,264 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 16:05:12,271 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:05:12,271 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 251 treesize of output 52 [2019-12-07 16:05:12,272 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 16:05:12,319 INFO L614 ElimStorePlain]: treesize reduction 20, result has 80.0 percent of original size [2019-12-07 16:05:12,320 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:05:12,320 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-12-07 16:05:12,320 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:306, output treesize:77 [2019-12-07 16:05:12,495 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:05:12,501 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 16:05:12,502 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 16:05:12,513 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 16:05:12,516 INFO L172 IndexEqualityManager]: detected equality via solver [2019-12-07 16:05:12,542 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 43 [2019-12-07 16:05:12,542 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:05:12,545 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 16:05:12,545 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 16:05:12,578 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:05:12,578 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 149 treesize of output 121 [2019-12-07 16:05:12,579 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-07 16:05:12,688 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 46 [2019-12-07 16:05:12,689 INFO L614 ElimStorePlain]: treesize reduction 110, result has 50.9 percent of original size [2019-12-07 16:05:12,690 INFO L534 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2019-12-07 16:05:12,690 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:446, output treesize:72 [2019-12-07 16:05:12,726 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:05:12,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:05:12,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 16:05:12,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-12-07 16:05:12,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114137503] [2019-12-07 16:05:12,886 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2019-12-07 16:05:12,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:05:12,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 16:05:12,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-12-07 16:05:12,945 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. cyclomatic complexity: 10 Second operand 11 states. [2019-12-07 16:05:13,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:05:13,428 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2019-12-07 16:05:13,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 16:05:13,429 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 63 transitions. [2019-12-07 16:05:13,430 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-12-07 16:05:13,430 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 46 states and 51 transitions. [2019-12-07 16:05:13,430 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2019-12-07 16:05:13,430 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2019-12-07 16:05:13,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 51 transitions. [2019-12-07 16:05:13,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 16:05:13,430 INFO L688 BuchiCegarLoop]: Abstraction has 46 states and 51 transitions. [2019-12-07 16:05:13,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 51 transitions. [2019-12-07 16:05:13,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2019-12-07 16:05:13,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-12-07 16:05:13,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2019-12-07 16:05:13,433 INFO L711 BuchiCegarLoop]: Abstraction has 43 states and 48 transitions. [2019-12-07 16:05:13,433 INFO L591 BuchiCegarLoop]: Abstraction has 43 states and 48 transitions. [2019-12-07 16:05:13,433 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-12-07 16:05:13,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 48 transitions. [2019-12-07 16:05:13,433 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-12-07 16:05:13,433 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 16:05:13,433 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 16:05:13,434 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:05:13,434 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-12-07 16:05:13,434 INFO L794 eck$LassoCheckResult]: Stem: 1209#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1208#L-1 havoc main_#res;havoc main_#t~nondet21; 1191#L578 assume 0 != main_#t~nondet21;havoc main_#t~nondet21;f_#in~d := 1;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 1184#L558 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 1185#L562-2 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 1213#L562 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem8;havoc f_#t~mem9; 1214#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 1220#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 1206#L566-2 assume !!f_#t~short13;havoc f_#t~mem11;havoc f_#t~short13;havoc f_#t~mem12; 1207#L567 assume !(0 != f_#t~nondet14);havoc f_#t~nondet14;call f_#t~mem19 := read~int(f_~y~0.base, f_~y~0.offset, 4);call f_#t~mem20 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem19 - f_#t~mem20, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~mem19;havoc f_#t~mem20; 1201#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 1199#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 1200#L566-2 assume !!f_#t~short13;havoc f_#t~mem11;havoc f_#t~short13;havoc f_#t~mem12; 1193#L567 assume !(0 != f_#t~nondet14);havoc f_#t~nondet14;call f_#t~mem19 := read~int(f_~y~0.base, f_~y~0.offset, 4);call f_#t~mem20 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem19 - f_#t~mem20, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~mem19;havoc f_#t~mem20; 1194#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 1222#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 1221#L566-2 assume !!f_#t~short13;havoc f_#t~mem11;havoc f_#t~short13;havoc f_#t~mem12; 1192#L567 assume 0 != f_#t~nondet14;havoc f_#t~nondet14; 1186#L568 [2019-12-07 16:05:13,434 INFO L796 eck$LassoCheckResult]: Loop: 1186#L568 call f_#t~mem15 := read~int(f_~x~0.base, f_~x~0.offset, 4);call f_#t~mem16 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem15 - f_#t~mem16, f_~x~0.base, f_~x~0.offset, 4);havoc f_#t~mem15;havoc f_#t~mem16;call write~int(f_#t~nondet17, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~nondet17;call f_#t~mem18 := read~int(f_~z~0.base, f_~z~0.offset, 4);call write~int(f_#t~mem18 - 1, f_~z~0.base, f_~z~0.offset, 4);havoc f_#t~mem18; 1187#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 1197#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 1198#L566-2 assume !!f_#t~short13;havoc f_#t~mem11;havoc f_#t~short13;havoc f_#t~mem12; 1205#L567 assume 0 != f_#t~nondet14;havoc f_#t~nondet14; 1186#L568 [2019-12-07 16:05:13,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:05:13,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1529889349, now seen corresponding path program 1 times [2019-12-07 16:05:13,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:05:13,435 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994578439] [2019-12-07 16:05:13,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:05:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:05:13,548 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:05:13,548 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994578439] [2019-12-07 16:05:13,548 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43490469] [2019-12-07 16:05:13,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_58db4195-decd-419f-bf4f-46e51ee3806b/bin/uautomizer/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:05:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:05:13,584 INFO L264 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 35 conjunts are in the unsatisfiable core [2019-12-07 16:05:13,585 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:05:13,628 INFO L343 Elim1Store]: treesize reduction 184, result has 13.6 percent of original size [2019-12-07 16:05:13,629 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 251 treesize of output 36 [2019-12-07 16:05:13,629 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:05:13,637 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:05:13,638 INFO L534 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-12-07 16:05:13,638 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:258, output treesize:42 [2019-12-07 16:05:13,668 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 16:05:13,668 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 53 [2019-12-07 16:05:13,669 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 16:05:13,683 INFO L614 ElimStorePlain]: treesize reduction 30, result has 52.4 percent of original size [2019-12-07 16:05:13,684 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 16:05:13,684 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:33 [2019-12-07 16:05:13,696 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:05:13,724 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 16:05:13,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 16:05:13,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-12-07 16:05:13,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568627638] [2019-12-07 16:05:13,725 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 16:05:13,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:05:13,725 INFO L82 PathProgramCache]: Analyzing trace with hash 69174960, now seen corresponding path program 2 times [2019-12-07 16:05:13,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:05:13,726 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085153899] [2019-12-07 16:05:13,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:05:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:05:13,736 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:05:13,890 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2019-12-07 16:05:13,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:05:13,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 16:05:13,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-12-07 16:05:13,935 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. cyclomatic complexity: 9 Second operand 11 states. [2019-12-07 16:05:14,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:05:14,019 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-12-07 16:05:14,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 16:05:14,020 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 22 transitions. [2019-12-07 16:05:14,020 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 16:05:14,020 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2019-12-07 16:05:14,020 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 16:05:14,020 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 16:05:14,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 16:05:14,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 16:05:14,021 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:05:14,021 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:05:14,021 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:05:14,021 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-12-07 16:05:14,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:05:14,021 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 16:05:14,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 16:05:14,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 04:05:14 BoogieIcfgContainer [2019-12-07 16:05:14,025 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 16:05:14,025 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:05:14,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:05:14,026 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:05:14,026 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:05:03" (3/4) ... [2019-12-07 16:05:14,029 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 16:05:14,029 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:05:14,030 INFO L168 Benchmark]: Toolchain (without parser) took 11367.95 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 240.6 MB). Free memory was 943.4 MB in the beginning and 987.2 MB in the end (delta: -43.7 MB). Peak memory consumption was 196.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:05:14,030 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:05:14,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -144.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:05:14,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:05:14,031 INFO L168 Benchmark]: Boogie Preprocessor took 20.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:05:14,032 INFO L168 Benchmark]: RCFGBuilder took 288.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:05:14,032 INFO L168 Benchmark]: BuchiAutomizer took 10702.45 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 135.8 MB). Free memory was 1.0 GB in the beginning and 987.2 MB in the end (delta: 60.5 MB). Peak memory consumption was 196.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:05:14,032 INFO L168 Benchmark]: Witness Printer took 3.62 ms. Allocated memory is still 1.3 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:05:14,034 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 315.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -144.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 288.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 10702.45 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 135.8 MB). Free memory was 1.0 GB in the beginning and 987.2 MB in the end (delta: 60.5 MB). Peak memory consumption was 196.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.62 ms. Allocated memory is still 1.3 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (5 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 6 locations. 5 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.6s and 8 iterations. TraceHistogramMax:3. Analysis of lassos took 8.6s. Construction of modules took 0.6s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 18 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 43 states and ocurred in iteration 6. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 114 SDtfs, 137 SDslu, 225 SDs, 0 SdLazy, 364 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc3 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital543 mio100 ax103 hnf100 lsp93 ukn44 mio100 lsp33 div100 bol100 ite100 ukn100 eq199 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...