./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/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 32bit --witnessprinter.graph.data.programhash c42e17875debafbb946353bbf5dda6a0b0ba9b37 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 05:01:34,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:01:34,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:01:34,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:01:34,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:01:34,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:01:34,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:01:34,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:01:34,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:01:34,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:01:34,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:01:34,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:01:34,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:01:34,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:01:34,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:01:34,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:01:34,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:01:34,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:01:34,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:01:34,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:01:34,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:01:34,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:01:34,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:01:34,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:01:34,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:01:34,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:01:34,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:01:34,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:01:34,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:01:34,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:01:34,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:01:34,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:01:34,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:01:34,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:01:34,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:01:34,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:01:34,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:01:34,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:01:34,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:01:34,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:01:34,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:01:34,301 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 05:01:34,326 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:01:34,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:01:34,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:01:34,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:01:34,328 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:01:34,328 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 05:01:34,328 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 05:01:34,328 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 05:01:34,328 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 05:01:34,329 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 05:01:34,329 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 05:01:34,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:01:34,329 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:01:34,329 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 05:01:34,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:01:34,330 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:01:34,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:01:34,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 05:01:34,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 05:01:34,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 05:01:34,330 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:01:34,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:01:34,331 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 05:01:34,331 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:01:34,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 05:01:34,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:01:34,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:01:34,332 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 05:01:34,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:01:34,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:01:34,332 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 05:01:34,333 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 05:01:34,333 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_dd3bd449-24e7-41cc-9320-05a9ede97282/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c42e17875debafbb946353bbf5dda6a0b0ba9b37 [2019-11-20 05:01:34,500 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:01:34,518 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:01:34,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:01:34,524 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:01:34,524 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:01:34,525 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2019-11-20 05:01:34,574 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/data/58475f1cd/2e965e1d8e534c889f6491387f12d03e/FLAGb6bb7bc4b [2019-11-20 05:01:35,051 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:01:35,052 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2019-11-20 05:01:35,063 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/data/58475f1cd/2e965e1d8e534c889f6491387f12d03e/FLAGb6bb7bc4b [2019-11-20 05:01:35,073 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/data/58475f1cd/2e965e1d8e534c889f6491387f12d03e [2019-11-20 05:01:35,075 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:01:35,076 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:01:35,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:01:35,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:01:35,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:01:35,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:01:35" (1/1) ... [2019-11-20 05:01:35,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d5e21ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:35, skipping insertion in model container [2019-11-20 05:01:35,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:01:35" (1/1) ... [2019-11-20 05:01:35,090 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:01:35,149 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:01:35,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:01:35,599 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:01:35,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:01:35,682 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:01:35,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:35 WrapperNode [2019-11-20 05:01:35,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:01:35,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:01:35,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:01:35,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:01:35,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:35" (1/1) ... [2019-11-20 05:01:35,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:35" (1/1) ... [2019-11-20 05:01:35,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:01:35,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:01:35,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:01:35,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:01:35,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:35" (1/1) ... [2019-11-20 05:01:35,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:35" (1/1) ... [2019-11-20 05:01:35,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:35" (1/1) ... [2019-11-20 05:01:35,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:35" (1/1) ... [2019-11-20 05:01:35,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:35" (1/1) ... [2019-11-20 05:01:35,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:35" (1/1) ... [2019-11-20 05:01:35,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:35" (1/1) ... [2019-11-20 05:01:35,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:01:35,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:01:35,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:01:35,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:01:35,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 05:01:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 05:01:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:01:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 05:01:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:01:35,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:01:36,143 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:01:36,143 INFO L285 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-20 05:01:36,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:01:36 BoogieIcfgContainer [2019-11-20 05:01:36,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:01:36,145 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 05:01:36,145 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 05:01:36,148 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 05:01:36,149 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:01:36,150 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 05:01:35" (1/3) ... [2019-11-20 05:01:36,151 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@448ba2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:01:36, skipping insertion in model container [2019-11-20 05:01:36,151 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:01:36,151 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:01:35" (2/3) ... [2019-11-20 05:01:36,152 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@448ba2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:01:36, skipping insertion in model container [2019-11-20 05:01:36,152 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:01:36,153 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:01:36" (3/3) ... [2019-11-20 05:01:36,155 INFO L371 chiAutomizerObserver]: Analyzing ICFG insertionsort-alloca-1.i [2019-11-20 05:01:36,205 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 05:01:36,206 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 05:01:36,206 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 05:01:36,207 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:01:36,207 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:01:36,207 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 05:01:36,207 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:01:36,207 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 05:01:36,227 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-20 05:01:36,249 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-20 05:01:36,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:01:36,250 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:01:36,256 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 05:01:36,256 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 05:01:36,256 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 05:01:36,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-20 05:01:36,259 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-20 05:01:36,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:01:36,259 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:01:36,260 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 05:01:36,260 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 05:01:36,267 INFO L794 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 14#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 6#L525true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 9#L525-2true call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 20#L530-3true [2019-11-20 05:01:36,267 INFO L796 eck$LassoCheckResult]: Loop: 20#L530-3true assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 17#L530-2true main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 20#L530-3true [2019-11-20 05:01:36,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:36,273 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-11-20 05:01:36,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:01:36,283 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024250043] [2019-11-20 05:01:36,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:01:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:36,403 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:01:36,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:36,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2019-11-20 05:01:36,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:01:36,405 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562664054] [2019-11-20 05:01:36,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:01:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:36,422 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:01:36,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:36,423 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2019-11-20 05:01:36,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:01:36,424 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818703478] [2019-11-20 05:01:36,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:01:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:36,470 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:01:36,670 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-11-20 05:01:36,732 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:01:36,733 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:01:36,733 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:01:36,734 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:01:36,734 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:01:36,734 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:36,734 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:01:36,734 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:01:36,735 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration1_Lasso [2019-11-20 05:01:36,735 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:01:36,735 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:01:36,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:36,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:36,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:36,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:36,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:36,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:36,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:36,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:36,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:37,226 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:01:37,232 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:01:37,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:37,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:37,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:01:37,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:37,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:37,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:37,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:01:37,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:37,248 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:01:37,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:37,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:37,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:01:37,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:37,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:37,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:37,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:01:37,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:37,274 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/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) [2019-11-20 05:01:37,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:37,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:37,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:37,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:37,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:37,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:01:37,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:37,307 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/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) [2019-11-20 05:01:37,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:37,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:37,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:37,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:37,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:37,331 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:01:37,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:37,337 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:01:37,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:37,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:37,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:01:37,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:37,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:37,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:37,357 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:01:37,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:37,360 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/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) [2019-11-20 05:01:37,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:37,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:37,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:37,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:37,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:37,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:01:37,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:37,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/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) [2019-11-20 05:01:37,409 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:37,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:37,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:37,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:37,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:37,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:01:37,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:37,424 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/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) [2019-11-20 05:01:37,440 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:37,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:37,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:37,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:37,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:37,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:01:37,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:37,458 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/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) [2019-11-20 05:01:37,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:37,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:37,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:01:37,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:37,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:37,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:37,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:01:37,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:37,482 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:01:37,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:37,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:37,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:37,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:37,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:37,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:01:37,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:37,509 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:37,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:37,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:37,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:37,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:37,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:37,534 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:01:37,534 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:01:37,541 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:37,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:37,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:37,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:37,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:37,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:37,559 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:01:37,559 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:01:37,566 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:37,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:37,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:37,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:01:37,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:37,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:37,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:37,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:01:37,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:01:37,593 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:37,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:37,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:37,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:37,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:37,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:37,625 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:01:37,625 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:01:37,645 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:01:37,707 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-11-20 05:01:37,708 INFO L444 ModelExtractionUtils]: 1 out of 22 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/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 [2019-11-20 05:01:37,801 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 05:01:37,829 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-20 05:01:37,829 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:01:37,830 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_1) = -4*ULTIMATE.start_main_~i~1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_1 Supporting invariants [1*ULTIMATE.start_main_~a~0.offset >= 0] [2019-11-20 05:01:37,847 INFO L297 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2019-11-20 05:01:37,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 05:01:37,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:37,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 05:01:37,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:01:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:37,934 WARN L253 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 05:01:37,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:01:37,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:01:37,977 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 05:01:37,978 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 3 states. [2019-11-20 05:01:38,082 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states.. Second operand 3 states. Result 41 states and 59 transitions. Complement of second has 8 states. [2019-11-20 05:01:38,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 05:01:38,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 05:01:38,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2019-11-20 05:01:38,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-20 05:01:38,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:01:38,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-20 05:01:38,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:01:38,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 4 letters. Loop has 4 letters. [2019-11-20 05:01:38,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:01:38,090 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 59 transitions. [2019-11-20 05:01:38,094 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 05:01:38,097 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 15 states and 20 transitions. [2019-11-20 05:01:38,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-20 05:01:38,099 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-20 05:01:38,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2019-11-20 05:01:38,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 05:01:38,100 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-11-20 05:01:38,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2019-11-20 05:01:38,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-20 05:01:38,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-20 05:01:38,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2019-11-20 05:01:38,130 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-11-20 05:01:38,130 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-11-20 05:01:38,131 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 05:01:38,131 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2019-11-20 05:01:38,133 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 05:01:38,133 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:01:38,133 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:01:38,134 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 05:01:38,134 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 05:01:38,134 INFO L794 eck$LassoCheckResult]: Stem: 138#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 137#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 131#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 132#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 135#L530-3 assume !(main_~i~1 < main_~array_size~0); 126#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 127#L515-3 [2019-11-20 05:01:38,135 INFO L796 eck$LassoCheckResult]: Loop: 127#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 133#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 136#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 128#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6; 129#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 134#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 127#L515-3 [2019-11-20 05:01:38,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:38,135 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2019-11-20 05:01:38,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:01:38,145 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206418713] [2019-11-20 05:01:38,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:01:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:38,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:01:38,243 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206418713] [2019-11-20 05:01:38,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:01:38,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 05:01:38,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887885212] [2019-11-20 05:01:38,246 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 05:01:38,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:38,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 1 times [2019-11-20 05:01:38,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:01:38,247 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486517960] [2019-11-20 05:01:38,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:01:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:38,303 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:01:38,471 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2019-11-20 05:01:38,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:01:38,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:01:38,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:01:38,523 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand 4 states. [2019-11-20 05:01:38,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:01:38,550 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2019-11-20 05:01:38,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 05:01:38,551 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2019-11-20 05:01:38,552 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 05:01:38,553 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 20 transitions. [2019-11-20 05:01:38,553 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-20 05:01:38,553 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-20 05:01:38,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2019-11-20 05:01:38,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 05:01:38,553 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-11-20 05:01:38,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2019-11-20 05:01:38,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2019-11-20 05:01:38,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-20 05:01:38,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2019-11-20 05:01:38,555 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-11-20 05:01:38,555 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-11-20 05:01:38,555 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 05:01:38,555 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2019-11-20 05:01:38,556 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 05:01:38,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:01:38,556 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:01:38,557 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:01:38,557 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 05:01:38,557 INFO L794 eck$LassoCheckResult]: Stem: 176#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 175#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 169#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 170#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 173#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 177#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 178#L530-3 assume !(main_~i~1 < main_~array_size~0); 164#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 165#L515-3 [2019-11-20 05:01:38,557 INFO L796 eck$LassoCheckResult]: Loop: 165#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 171#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 174#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 166#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6; 167#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 172#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 165#L515-3 [2019-11-20 05:01:38,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:38,558 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2019-11-20 05:01:38,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:01:38,558 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411286666] [2019-11-20 05:01:38,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:01:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:38,588 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:01:38,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:38,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 2 times [2019-11-20 05:01:38,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:01:38,592 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79892969] [2019-11-20 05:01:38,592 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:01:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:38,629 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:01:38,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:38,630 INFO L82 PathProgramCache]: Analyzing trace with hash -259891877, now seen corresponding path program 1 times [2019-11-20 05:01:38,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:01:38,630 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884129865] [2019-11-20 05:01:38,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:01:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:38,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:01:38,738 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884129865] [2019-11-20 05:01:38,738 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639822244] [2019-11-20 05:01:38,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:01:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:38,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 05:01:38,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:01:38,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:01:38,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 05:01:38,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2019-11-20 05:01:38,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073527971] [2019-11-20 05:01:38,951 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2019-11-20 05:01:38,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:01:38,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-20 05:01:38,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-11-20 05:01:38,990 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand 11 states. [2019-11-20 05:01:39,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:01:39,171 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2019-11-20 05:01:39,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 05:01:39,173 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2019-11-20 05:01:39,174 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 05:01:39,174 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 18 states and 21 transitions. [2019-11-20 05:01:39,174 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-20 05:01:39,175 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-20 05:01:39,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2019-11-20 05:01:39,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 05:01:39,175 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-11-20 05:01:39,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2019-11-20 05:01:39,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2019-11-20 05:01:39,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-20 05:01:39,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2019-11-20 05:01:39,177 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-20 05:01:39,177 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-20 05:01:39,177 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 05:01:39,177 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2019-11-20 05:01:39,178 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 05:01:39,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:01:39,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:01:39,179 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-20 05:01:39,179 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-20 05:01:39,179 INFO L794 eck$LassoCheckResult]: Stem: 276#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 275#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 269#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 270#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 273#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 277#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 278#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 279#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 280#L530-3 assume !(main_~i~1 < main_~array_size~0); 264#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 265#L515-3 [2019-11-20 05:01:39,179 INFO L796 eck$LassoCheckResult]: Loop: 265#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 271#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 274#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 266#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6; 267#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 272#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 265#L515-3 [2019-11-20 05:01:39,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:39,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1899756335, now seen corresponding path program 2 times [2019-11-20 05:01:39,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:01:39,180 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21966984] [2019-11-20 05:01:39,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:01:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:39,213 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:01:39,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:39,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 3 times [2019-11-20 05:01:39,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:01:39,214 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584610285] [2019-11-20 05:01:39,214 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:01:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:39,249 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:01:39,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:39,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1804388285, now seen corresponding path program 2 times [2019-11-20 05:01:39,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:01:39,250 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580039194] [2019-11-20 05:01:39,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:01:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:39,322 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:01:39,430 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2019-11-20 05:01:39,713 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 82 [2019-11-20 05:01:39,797 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:01:39,797 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:01:39,798 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:01:39,798 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:01:39,798 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:01:39,798 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:39,798 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:01:39,798 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:01:39,798 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration4_Lasso [2019-11-20 05:01:39,798 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:01:39,799 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:01:39,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:39,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:39,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:39,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:39,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:39,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:39,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:39,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:39,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:39,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:39,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:39,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:39,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:39,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:39,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:39,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:39,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:40,020 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-11-20 05:01:40,560 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:01:40,560 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:40,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:40,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:40,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:01:40,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:40,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:40,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:40,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:01:40,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:01:40,579 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:01:40,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:40,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:40,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:01:40,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:40,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:40,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:40,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:01:40,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:40,606 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/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 [2019-11-20 05:01:40,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:40,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:40,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:01:40,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:40,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:40,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:40,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:01:40,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:01:40,625 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/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) [2019-11-20 05:01:40,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:40,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:40,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:01:40,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:40,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:40,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:40,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:01:40,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:40,662 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:01:40,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:40,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:40,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:40,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:40,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:40,673 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:01:40,673 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:01:40,676 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:01:40,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:40,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:40,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:01:40,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:40,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:40,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:40,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:01:40,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:40,691 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:01:40,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:40,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:40,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:01:40,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:40,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:40,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:40,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:01:40,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:40,701 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:01:40,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:40,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:40,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:40,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:40,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:40,712 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:01:40,712 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:40,716 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:01:40,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:40,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:40,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:40,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:40,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:40,726 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:01:40,726 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:40,729 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:01:40,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:40,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:40,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:01:40,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:40,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:40,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:40,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:01:40,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:40,740 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:01:40,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:40,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:40,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:40,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:40,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:40,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:01:40,749 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:40,753 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:01:40,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:40,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:40,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:01:40,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:40,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:40,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:40,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:01:40,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:40,763 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:01:40,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:40,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:40,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:01:40,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:40,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:40,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:40,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:01:40,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:40,774 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/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) [2019-11-20 05:01:40,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:40,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:40,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:40,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:40,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:40,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:01:40,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:40,787 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/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) [2019-11-20 05:01:40,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:40,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:40,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:01:40,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:40,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:40,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:40,795 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:01:40,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:40,797 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/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) [2019-11-20 05:01:40,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:40,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:40,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:40,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:40,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:40,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:01:40,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:40,811 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/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) [2019-11-20 05:01:40,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:40,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:40,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:01:40,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:40,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:40,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:40,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:01:40,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:40,824 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:40,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:40,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:40,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:40,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:40,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:40,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:01:40,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:01:40,853 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/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) [2019-11-20 05:01:40,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:40,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:40,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:40,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:40,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:40,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:01:40,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:01:40,894 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:01:40,922 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-20 05:01:40,922 INFO L444 ModelExtractionUtils]: 11 out of 40 variables were initially zero. Simplification set additionally 26 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:01:40,933 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:40,936 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 05:01:40,937 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:01:40,937 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~array_size, ULTIMATE.start_insertionSort_~i~0) = 1*ULTIMATE.start_insertionSort_~array_size - 1*ULTIMATE.start_insertionSort_~i~0 Supporting invariants [] [2019-11-20 05:01:40,954 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-20 05:01:40,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:40,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:01:40,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:01:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:40,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 05:01:40,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:01:41,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:01:41,005 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 05:01:41,005 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-20 05:01:41,018 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 25 states and 31 transitions. Complement of second has 4 states. [2019-11-20 05:01:41,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 05:01:41,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 05:01:41,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2019-11-20 05:01:41,019 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 10 letters. Loop has 6 letters. [2019-11-20 05:01:41,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:01:41,019 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 16 letters. Loop has 6 letters. [2019-11-20 05:01:41,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:01:41,020 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 10 letters. Loop has 12 letters. [2019-11-20 05:01:41,020 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:01:41,020 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 31 transitions. [2019-11-20 05:01:41,021 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 05:01:41,022 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 23 states and 29 transitions. [2019-11-20 05:01:41,022 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-20 05:01:41,022 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-20 05:01:41,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 29 transitions. [2019-11-20 05:01:41,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:01:41,022 INFO L688 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2019-11-20 05:01:41,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 29 transitions. [2019-11-20 05:01:41,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2019-11-20 05:01:41,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-20 05:01:41,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2019-11-20 05:01:41,024 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2019-11-20 05:01:41,024 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2019-11-20 05:01:41,025 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 05:01:41,025 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2019-11-20 05:01:41,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 05:01:41,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:01:41,025 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:01:41,026 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:01:41,026 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 05:01:41,026 INFO L794 eck$LassoCheckResult]: Stem: 415#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 414#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 405#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 406#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 411#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 416#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 417#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 418#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 419#L530-3 assume !(main_~i~1 < main_~array_size~0); 398#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 399#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 407#L518-6 [2019-11-20 05:01:41,026 INFO L796 eck$LassoCheckResult]: Loop: 407#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 412#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 400#L518-3 assume !!insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6;call insertionSort_#t~mem7 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);call write~int(insertionSort_#t~mem7, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4);havoc insertionSort_#t~mem7; 401#L518-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 407#L518-6 [2019-11-20 05:01:41,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:41,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 1 times [2019-11-20 05:01:41,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:01:41,027 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781155732] [2019-11-20 05:01:41,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:01:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:41,073 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:01:41,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:41,075 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 1 times [2019-11-20 05:01:41,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:01:41,076 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041948713] [2019-11-20 05:01:41,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:01:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:41,089 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:01:41,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:41,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1166584787, now seen corresponding path program 1 times [2019-11-20 05:01:41,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:01:41,094 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985120394] [2019-11-20 05:01:41,094 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:01:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:41,133 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:01:41,405 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 90 [2019-11-20 05:01:41,468 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:01:41,468 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:01:41,468 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:01:41,468 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:01:41,468 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:01:41,468 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:41,468 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:01:41,469 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:01:41,469 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration5_Lasso [2019-11-20 05:01:41,469 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:01:41,469 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:01:41,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:41,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:41,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:41,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:41,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:41,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:41,636 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2019-11-20 05:01:41,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:41,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:41,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:41,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:41,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:41,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:41,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:41,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:41,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:41,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:41,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:41,970 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:01:41,971 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:41,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:41,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:41,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:41,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:41,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:41,978 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:01:41,978 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:01:41,980 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:41,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:41,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:41,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:01:41,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:41,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:41,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:41,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:01:41,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:01:41,988 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:42,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:42,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:42,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:01:42,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:42,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:42,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:42,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:01:42,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:01:42,032 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:01:42,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:42,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:42,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:42,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:42,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:42,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:01:42,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:42,051 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:01:42,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:42,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:42,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:01:42,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:42,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:42,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:42,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:01:42,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:42,065 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:42,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:42,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:42,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:42,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:42,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:42,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:01:42,079 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:01:42,085 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:42,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:42,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:42,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:42,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:42,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:42,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:01:42,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:01:42,100 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:42,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:01:42,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:01:42,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:01:42,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:01:42,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:01:42,116 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:01:42,116 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:01:42,132 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:01:42,155 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-20 05:01:42,155 INFO L444 ModelExtractionUtils]: 25 out of 37 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:01:42,159 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:42,162 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 05:01:42,162 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:01:42,162 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~j~0) = 1*ULTIMATE.start_insertionSort_~j~0 Supporting invariants [] [2019-11-20 05:01:42,185 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-11-20 05:01:42,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:42,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:01:42,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:01:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:42,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:01:42,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:01:42,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:01:42,252 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-20 05:01:42,252 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9 Second operand 4 states. [2019-11-20 05:01:42,302 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9. Second operand 4 states. Result 53 states and 68 transitions. Complement of second has 9 states. [2019-11-20 05:01:42,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 05:01:42,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 05:01:42,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2019-11-20 05:01:42,305 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 11 letters. Loop has 4 letters. [2019-11-20 05:01:42,306 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:01:42,306 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 15 letters. Loop has 4 letters. [2019-11-20 05:01:42,306 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:01:42,306 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 11 letters. Loop has 8 letters. [2019-11-20 05:01:42,306 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:01:42,307 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 68 transitions. [2019-11-20 05:01:42,308 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 05:01:42,310 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 36 states and 46 transitions. [2019-11-20 05:01:42,311 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-20 05:01:42,311 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 05:01:42,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 46 transitions. [2019-11-20 05:01:42,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:01:42,311 INFO L688 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2019-11-20 05:01:42,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 46 transitions. [2019-11-20 05:01:42,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 28. [2019-11-20 05:01:42,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-20 05:01:42,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2019-11-20 05:01:42,315 INFO L711 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-11-20 05:01:42,315 INFO L591 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-11-20 05:01:42,315 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 05:01:42,315 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2019-11-20 05:01:42,316 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 05:01:42,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:01:42,316 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:01:42,317 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:01:42,317 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 05:01:42,317 INFO L794 eck$LassoCheckResult]: Stem: 580#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 579#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 568#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 569#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 575#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 581#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 582#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 584#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 585#L530-3 assume !(main_~i~1 < main_~array_size~0); 562#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 563#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 572#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 583#L518-1 assume !insertionSort_#t~short6; 566#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6; 567#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 573#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 574#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 570#L518-6 [2019-11-20 05:01:42,317 INFO L796 eck$LassoCheckResult]: Loop: 570#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 577#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 564#L518-3 assume !!insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6;call insertionSort_#t~mem7 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);call write~int(insertionSort_#t~mem7, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4);havoc insertionSort_#t~mem7; 565#L518-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 570#L518-6 [2019-11-20 05:01:42,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:42,318 INFO L82 PathProgramCache]: Analyzing trace with hash 103309060, now seen corresponding path program 1 times [2019-11-20 05:01:42,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:01:42,318 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142865203] [2019-11-20 05:01:42,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:01:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:42,349 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 05:01:42,349 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142865203] [2019-11-20 05:01:42,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:01:42,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 05:01:42,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089956582] [2019-11-20 05:01:42,350 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 05:01:42,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:42,350 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 2 times [2019-11-20 05:01:42,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:01:42,350 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873466145] [2019-11-20 05:01:42,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:01:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:42,356 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:01:42,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:01:42,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:01:42,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:01:42,446 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. cyclomatic complexity: 12 Second operand 5 states. [2019-11-20 05:01:42,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:01:42,501 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2019-11-20 05:01:42,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 05:01:42,501 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2019-11-20 05:01:42,503 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 05:01:42,503 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 49 transitions. [2019-11-20 05:01:42,504 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-20 05:01:42,504 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 05:01:42,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2019-11-20 05:01:42,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:01:42,504 INFO L688 BuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2019-11-20 05:01:42,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2019-11-20 05:01:42,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 31. [2019-11-20 05:01:42,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-20 05:01:42,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2019-11-20 05:01:42,507 INFO L711 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2019-11-20 05:01:42,507 INFO L591 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2019-11-20 05:01:42,507 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-20 05:01:42,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 40 transitions. [2019-11-20 05:01:42,508 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 05:01:42,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:01:42,508 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:01:42,509 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:01:42,509 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 05:01:42,509 INFO L794 eck$LassoCheckResult]: Stem: 661#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 660#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 647#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 648#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 654#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 662#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 663#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 664#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 665#L530-3 assume !(main_~i~1 < main_~array_size~0); 641#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 642#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 655#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 658#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 645#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6; 646#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 649#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 650#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 651#L518-6 [2019-11-20 05:01:42,509 INFO L796 eck$LassoCheckResult]: Loop: 651#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 657#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 643#L518-3 assume !!insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6;call insertionSort_#t~mem7 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);call write~int(insertionSort_#t~mem7, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4);havoc insertionSort_#t~mem7; 644#L518-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 651#L518-6 [2019-11-20 05:01:42,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:42,510 INFO L82 PathProgramCache]: Analyzing trace with hash 101462018, now seen corresponding path program 3 times [2019-11-20 05:01:42,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:01:42,510 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65415734] [2019-11-20 05:01:42,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:01:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:42,598 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:01:42,598 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65415734] [2019-11-20 05:01:42,598 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597244005] [2019-11-20 05:01:42,598 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd3bd449-24e7-41cc-9320-05a9ede97282/bin/uautomizer/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:01:42,640 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-11-20 05:01:42,640 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 05:01:42,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 05:01:42,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:01:42,704 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:01:42,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 05:01:42,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2019-11-20 05:01:42,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878297240] [2019-11-20 05:01:42,705 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 05:01:42,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:42,706 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 3 times [2019-11-20 05:01:42,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:01:42,706 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770658812] [2019-11-20 05:01:42,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:01:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:42,712 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:01:42,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:01:42,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-20 05:01:42,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2019-11-20 05:01:42,804 INFO L87 Difference]: Start difference. First operand 31 states and 40 transitions. cyclomatic complexity: 13 Second operand 14 states. [2019-11-20 05:01:42,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:01:42,947 INFO L93 Difference]: Finished difference Result 48 states and 61 transitions. [2019-11-20 05:01:42,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 05:01:42,948 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 61 transitions. [2019-11-20 05:01:42,949 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 05:01:42,950 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 34 states and 43 transitions. [2019-11-20 05:01:42,950 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-20 05:01:42,950 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 05:01:42,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 43 transitions. [2019-11-20 05:01:42,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:01:42,950 INFO L688 BuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2019-11-20 05:01:42,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 43 transitions. [2019-11-20 05:01:42,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2019-11-20 05:01:42,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-20 05:01:42,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2019-11-20 05:01:42,955 INFO L711 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2019-11-20 05:01:42,955 INFO L591 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2019-11-20 05:01:42,955 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-20 05:01:42,956 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 42 transitions. [2019-11-20 05:01:42,957 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 05:01:42,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:01:42,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:01:42,958 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:01:42,958 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 05:01:42,958 INFO L794 eck$LassoCheckResult]: Stem: 810#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 809#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 797#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 798#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 804#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 815#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 823#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 811#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 812#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 816#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 817#L530-3 assume !(main_~i~1 < main_~array_size~0); 791#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 792#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 807#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 813#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 814#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6; 808#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 802#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 803#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 799#L518-6 [2019-11-20 05:01:42,958 INFO L796 eck$LassoCheckResult]: Loop: 799#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 805#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 793#L518-3 assume !!insertionSort_#t~short6;havoc insertionSort_#t~mem5;havoc insertionSort_#t~short6;call insertionSort_#t~mem7 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);call write~int(insertionSort_#t~mem7, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4);havoc insertionSort_#t~mem7; 794#L518-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 799#L518-6 [2019-11-20 05:01:42,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:42,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1730024032, now seen corresponding path program 4 times [2019-11-20 05:01:42,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:01:42,959 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258065160] [2019-11-20 05:01:42,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:01:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:42,984 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:01:42,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:42,984 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 4 times [2019-11-20 05:01:42,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:01:42,985 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695065614] [2019-11-20 05:01:42,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:01:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:42,991 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:01:42,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:01:42,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1424072763, now seen corresponding path program 1 times [2019-11-20 05:01:42,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:01:42,992 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576822546] [2019-11-20 05:01:42,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:01:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:01:43,021 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:01:43,679 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 128 [2019-11-20 05:01:43,765 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:01:43,766 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:01:43,766 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:01:43,766 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:01:43,766 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:01:43,766 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:01:43,766 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:01:43,766 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:01:43,766 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration8_Lasso [2019-11-20 05:01:43,766 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:01:43,766 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:01:43,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:43,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:43,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:43,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:43,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:43,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:43,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:43,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:43,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:43,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:01:43,845 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: MapEliminator tries to combine Int and (Array Int Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceSelectStoreTerm(MapEliminator.java:592) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceStoreTerms(MapEliminator.java:542) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:330) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:278) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:612) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.access$16(LassoCheck.java:539) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:957) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:865) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:458) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 05:01:43,848 INFO L168 Benchmark]: Toolchain (without parser) took 8772.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 944.8 MB in the beginning and 874.3 MB in the end (delta: 70.4 MB). Peak memory consumption was 256.0 MB. Max. memory is 11.5 GB. [2019-11-20 05:01:43,849 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:01:43,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 606.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:01:43,849 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:01:43,850 INFO L168 Benchmark]: Boogie Preprocessor took 26.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:01:43,850 INFO L168 Benchmark]: RCFGBuilder took 392.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:01:43,850 INFO L168 Benchmark]: BuchiAutomizer took 7702.38 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 43.5 MB). Free memory was 1.1 GB in the beginning and 874.3 MB in the end (delta: 222.6 MB). Peak memory consumption was 266.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:01:43,852 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 606.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 392.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7702.38 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 43.5 MB). Free memory was 1.1 GB in the beginning and 874.3 MB in the end (delta: 222.6 MB). Peak memory consumption was 266.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: MapEliminator tries to combine Int and (Array Int Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...