./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/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_c5614dce-372a-4754-88aa-c7554f218d37/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 0.1.25-f470102 [2019-12-07 18:13:42,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:13:42,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:13:42,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:13:42,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:13:42,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:13:42,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:13:42,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:13:42,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:13:42,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:13:42,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:13:42,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:13:42,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:13:42,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:13:42,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:13:42,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:13:42,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:13:42,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:13:42,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:13:42,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:13:42,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:13:42,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:13:42,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:13:42,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:13:42,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:13:42,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:13:42,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:13:42,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:13:42,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:13:42,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:13:42,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:13:42,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:13:42,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:13:42,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:13:42,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:13:42,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:13:42,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:13:42,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:13:42,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:13:42,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:13:42,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:13:42,570 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 18:13:42,581 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:13:42,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:13:42,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:13:42,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:13:42,582 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:13:42,583 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:13:42,583 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:13:42,583 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:13:42,583 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:13:42,583 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:13:42,583 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:13:42,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:13:42,584 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:13:42,584 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:13:42,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:13:42,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:13:42,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:13:42,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:13:42,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:13:42,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:13:42,585 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:13:42,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:13:42,585 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:13:42,585 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:13:42,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:13:42,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:13:42,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:13:42,585 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:13:42,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:13:42,586 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:13:42,586 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:13:42,586 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:13:42,586 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:13:42,586 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_c5614dce-372a-4754-88aa-c7554f218d37/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 [2019-12-07 18:13:42,683 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:13:42,692 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:13:42,694 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:13:42,695 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:13:42,695 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:13:42,696 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2019-12-07 18:13:42,735 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/data/f9dc29634/ee18ecf182c941f1a000ce2db2d746ef/FLAGfe58c5904 [2019-12-07 18:13:43,233 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:13:43,233 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2019-12-07 18:13:43,242 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/data/f9dc29634/ee18ecf182c941f1a000ce2db2d746ef/FLAGfe58c5904 [2019-12-07 18:13:43,251 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/data/f9dc29634/ee18ecf182c941f1a000ce2db2d746ef [2019-12-07 18:13:43,253 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:13:43,253 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:13:43,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:13:43,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:13:43,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:13:43,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:13:43" (1/1) ... [2019-12-07 18:13:43,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e22e081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:13:43, skipping insertion in model container [2019-12-07 18:13:43,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:13:43" (1/1) ... [2019-12-07 18:13:43,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:13:43,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:13:43,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:13:43,496 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:13:43,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:13:43,554 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:13:43,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:13:43 WrapperNode [2019-12-07 18:13:43,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:13:43,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:13:43,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:13:43,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:13:43,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:13:43" (1/1) ... [2019-12-07 18:13:43,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:13:43" (1/1) ... [2019-12-07 18:13:43,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:13:43,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:13:43,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:13:43,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:13:43,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:13:43" (1/1) ... [2019-12-07 18:13:43,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:13:43" (1/1) ... [2019-12-07 18:13:43,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:13:43" (1/1) ... [2019-12-07 18:13:43,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:13:43" (1/1) ... [2019-12-07 18:13:43,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:13:43" (1/1) ... [2019-12-07 18:13:43,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:13:43" (1/1) ... [2019-12-07 18:13:43,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:13:43" (1/1) ... [2019-12-07 18:13:43,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:13:43,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:13:43,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:13:43,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:13:43,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:13:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 18:13:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 18:13:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:13:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:13:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:13:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:13:43,810 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:13:43,810 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-07 18:13:43,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:13:43 BoogieIcfgContainer [2019-12-07 18:13:43,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:13:43,812 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:13:43,812 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:13:43,814 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:13:43,814 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:13:43,814 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:13:43" (1/3) ... [2019-12-07 18:13:43,815 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50c7cb3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:13:43, skipping insertion in model container [2019-12-07 18:13:43,815 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:13:43,815 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:13:43" (2/3) ... [2019-12-07 18:13:43,815 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50c7cb3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:13:43, skipping insertion in model container [2019-12-07 18:13:43,815 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:13:43,815 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:13:43" (3/3) ... [2019-12-07 18:13:43,816 INFO L371 chiAutomizerObserver]: Analyzing ICFG insertionsort-alloca-1.i [2019-12-07 18:13:43,844 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:13:43,844 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:13:43,844 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:13:43,844 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:13:43,844 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:13:43,844 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:13:43,844 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:13:43,844 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:13:43,853 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-12-07 18:13:43,867 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-12-07 18:13:43,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:13:43,867 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:13:43,873 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 18:13:43,873 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:13:43,873 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:13:43,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-12-07 18:13:43,874 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-12-07 18:13:43,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:13:43,874 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:13:43,875 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 18:13:43,875 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 18:13:43,880 INFO L794 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 14#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 6#L525true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 9#L525-2true call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 20#L530-3true [2019-12-07 18:13:43,880 INFO L796 eck$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 [2019-12-07 18:13:43,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:43,884 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-12-07 18:13:43,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:13:43,889 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977971125] [2019-12-07 18:13:43,890 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:13:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:43,972 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:13:43,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:43,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2019-12-07 18:13:43,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:13:43,973 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276251541] [2019-12-07 18:13:43,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:13:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:43,985 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:13:43,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:43,986 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2019-12-07 18:13:43,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:13:43,986 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650644713] [2019-12-07 18:13:43,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:13:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:44,010 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:13:44,164 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:13:44,165 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:13:44,165 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:13:44,165 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:13:44,165 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:13:44,165 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:44,165 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:13:44,165 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:13:44,165 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration1_Lasso [2019-12-07 18:13:44,166 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:13:44,166 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:13:44,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:44,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:44,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:44,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:44,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:44,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:44,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:44,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:44,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:44,420 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:13:44,423 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:44,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:44,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:44,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:13:44,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:44,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:44,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:44,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:13:44,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:13:44,432 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:44,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:44,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:44,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:13:44,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:44,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:44,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:44,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:13:44,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:13:44,439 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:44,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:44,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:44,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:44,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:44,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:44,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:44,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:44,450 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:44,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:44,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:44,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:44,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:44,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:44,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:44,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:44,462 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:44,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:44,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:44,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:13:44,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:44,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:44,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:44,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:13:44,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:13:44,469 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:44,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:44,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:44,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:44,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:44,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:44,478 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:44,478 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:44,481 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:44,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:44,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:44,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:44,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:44,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:44,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:44,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:44,492 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:44,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:44,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:44,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:44,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:44,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:44,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:44,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:44,502 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:44,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:44,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:44,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:13:44,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:44,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:44,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:44,508 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:13:44,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:13:44,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:44,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:44,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:44,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:44,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:44,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:44,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:44,516 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:44,519 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:44,524 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 [2019-12-07 18:13:44,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:44,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:44,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:44,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:44,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:44,529 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:44,535 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:44,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:44,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:44,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:44,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:44,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:44,543 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:44,543 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:44,549 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:44,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:44,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:44,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:13:44,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:44,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:44,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:44,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:13:44,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:13:44,556 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:44,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:44,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:44,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:44,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:44,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:44,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:44,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:44,576 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:13:44,613 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-12-07 18:13:44,613 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_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:44,618 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:13:44,620 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-12-07 18:13:44,621 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:13:44,621 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_1, ULTIMATE.start_main_~i~1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_1 - 4*ULTIMATE.start_main_~i~1 Supporting invariants [1*ULTIMATE.start_main_~a~0.offset >= 0] [2019-12-07 18:13:44,641 INFO L297 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2019-12-07 18:13:44,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 18:13:44,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:13:44,686 INFO L264 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 18:13:44,687 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:13:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:13:44,698 WARN L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 18:13:44,699 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:13:44,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:13:44,728 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 [2019-12-07 18:13:44,729 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 3 states. [2019-12-07 18:13:44,802 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. [2019-12-07 18:13:44,803 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 [2019-12-07 18:13:44,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 18:13:44,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2019-12-07 18:13:44,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 4 letters. Loop has 2 letters. [2019-12-07 18:13:44,806 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:13:44,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 6 letters. Loop has 2 letters. [2019-12-07 18:13:44,806 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:13:44,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 4 letters. Loop has 4 letters. [2019-12-07 18:13:44,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:13:44,807 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 59 transitions. [2019-12-07 18:13:44,810 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 18:13:44,813 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 15 states and 20 transitions. [2019-12-07 18:13:44,813 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-12-07 18:13:44,814 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-12-07 18:13:44,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2019-12-07 18:13:44,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:13:44,814 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-12-07 18:13:44,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2019-12-07 18:13:44,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-12-07 18:13:44,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-12-07 18:13:44,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2019-12-07 18:13:44,832 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-12-07 18:13:44,832 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-12-07 18:13:44,832 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 18:13:44,832 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2019-12-07 18:13:44,833 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 18:13:44,833 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:13:44,833 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:13:44,833 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 18:13:44,833 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 18:13:44,833 INFO L794 eck$LassoCheckResult]: Stem: 138#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 137#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 131#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 132#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 135#L530-3 assume !(main_~i~1 < main_~array_size~0); 126#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 127#L515-3 [2019-12-07 18:13:44,834 INFO L796 eck$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~short6;havoc insertionSort_#t~mem5; 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 [2019-12-07 18:13:44,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:44,834 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2019-12-07 18:13:44,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:13:44,834 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644491843] [2019-12-07 18:13:44,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:13:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:13:44,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:13:44,870 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644491843] [2019-12-07 18:13:44,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:13:44,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:13:44,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771149195] [2019-12-07 18:13:44,873 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:13:44,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:44,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 1 times [2019-12-07 18:13:44,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:13:44,874 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191799744] [2019-12-07 18:13:44,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:13:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:44,891 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:13:44,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:13:44,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:13:44,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:13:44,996 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand 4 states. [2019-12-07 18:13:45,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:13:45,020 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2019-12-07 18:13:45,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:13:45,021 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2019-12-07 18:13:45,021 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 18:13:45,022 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 20 transitions. [2019-12-07 18:13:45,022 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-12-07 18:13:45,022 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-12-07 18:13:45,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2019-12-07 18:13:45,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:13:45,022 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-12-07 18:13:45,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2019-12-07 18:13:45,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2019-12-07 18:13:45,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-12-07 18:13:45,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2019-12-07 18:13:45,024 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-12-07 18:13:45,024 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-12-07 18:13:45,024 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 18:13:45,024 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2019-12-07 18:13:45,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 18:13:45,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:13:45,025 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:13:45,025 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:13:45,025 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 18:13:45,026 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 [2019-12-07 18:13:45,026 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~short6;havoc insertionSort_#t~mem5; 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 [2019-12-07 18:13:45,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:45,026 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2019-12-07 18:13:45,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:13:45,026 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331301809] [2019-12-07 18:13:45,026 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:13:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:45,045 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:13:45,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:45,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 2 times [2019-12-07 18:13:45,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:13:45,046 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407331664] [2019-12-07 18:13:45,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:13:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:45,059 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:13:45,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:45,059 INFO L82 PathProgramCache]: Analyzing trace with hash -259891877, now seen corresponding path program 1 times [2019-12-07 18:13:45,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:13:45,059 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774529545] [2019-12-07 18:13:45,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:13:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:13:45,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:13:45,132 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774529545] [2019-12-07 18:13:45,132 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929658775] [2019-12-07 18:13:45,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/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 [2019-12-07 18:13:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:13:45,185 INFO L264 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 18:13:45,186 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:13:45,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:13:45,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:13:45,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2019-12-07 18:13:45,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465210176] [2019-12-07 18:13:45,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:13:45,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 18:13:45,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-12-07 18:13:45,314 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand 11 states. [2019-12-07 18:13:45,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:13:45,414 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2019-12-07 18:13:45,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 18:13:45,415 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2019-12-07 18:13:45,416 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 18:13:45,416 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 18 states and 21 transitions. [2019-12-07 18:13:45,417 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-12-07 18:13:45,417 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-12-07 18:13:45,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2019-12-07 18:13:45,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:13:45,417 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-12-07 18:13:45,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2019-12-07 18:13:45,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2019-12-07 18:13:45,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 18:13:45,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2019-12-07 18:13:45,419 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-12-07 18:13:45,419 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-12-07 18:13:45,419 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 18:13:45,419 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2019-12-07 18:13:45,420 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 18:13:45,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:13:45,420 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:13:45,420 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-12-07 18:13:45,420 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-12-07 18:13:45,421 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 [2019-12-07 18:13:45,421 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~short6;havoc insertionSort_#t~mem5; 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 [2019-12-07 18:13:45,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:45,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1899756335, now seen corresponding path program 2 times [2019-12-07 18:13:45,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:13:45,421 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484626785] [2019-12-07 18:13:45,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:13:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:45,442 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:13:45,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:45,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 3 times [2019-12-07 18:13:45,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:13:45,443 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630309334] [2019-12-07 18:13:45,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:13:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:45,456 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:13:45,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:45,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1804388285, now seen corresponding path program 2 times [2019-12-07 18:13:45,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:13:45,457 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455002771] [2019-12-07 18:13:45,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:13:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:45,489 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:13:45,710 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 82 [2019-12-07 18:13:45,755 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:13:45,755 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:13:45,755 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:13:45,755 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:13:45,755 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:13:45,755 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:45,755 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:13:45,755 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:13:45,755 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration4_Lasso [2019-12-07 18:13:45,755 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:13:45,755 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:13:45,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:45,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:45,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:45,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:45,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:45,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:45,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:45,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:45,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:45,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:45,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:45,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:45,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:45,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:45,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:45,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:45,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:46,156 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:13:46,157 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:46,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:46,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:46,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:13:46,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:46,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:46,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:46,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:13:46,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:13:46,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:46,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:46,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:46,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:13:46,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:46,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:46,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:46,168 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:13:46,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:13:46,169 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:46,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:46,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:46,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:13:46,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:46,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:46,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:46,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:13:46,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:13:46,179 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:46,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:46,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:46,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:13:46,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:46,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:46,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:46,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:13:46,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:13:46,186 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:46,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:46,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:46,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:46,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:46,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:46,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:46,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:46,194 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:46,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:46,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:46,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:13:46,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:46,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:46,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:46,200 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:13:46,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:13:46,201 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:46,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:46,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:46,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:13:46,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:46,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:46,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:46,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:13:46,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:13:46,208 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:46,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:46,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:46,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:46,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:46,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:46,214 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:46,214 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:46,216 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:46,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:46,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:46,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:46,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:46,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:46,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:46,223 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:46,225 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:46,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:46,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:46,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:13:46,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:46,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:46,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:46,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:13:46,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:13:46,231 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:46,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:46,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:46,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:46,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:46,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:46,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:46,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:46,241 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:46,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:46,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:46,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:13:46,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:46,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:46,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:46,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:13:46,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:13:46,247 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:46,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:46,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:46,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:13:46,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:46,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:46,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:46,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:13:46,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:13:46,254 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:46,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:46,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:46,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:46,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:46,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:46,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:46,260 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:46,262 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:46,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:46,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:46,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:13:46,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:46,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:46,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:46,267 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:13:46,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:13:46,268 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:46,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:46,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:46,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:46,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:46,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:46,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:46,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:46,277 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:46,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:46,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:46,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:13:46,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:46,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:46,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:46,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:13:46,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:13:46,285 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:46,288 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 [2019-12-07 18:13:46,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:46,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:46,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:46,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:46,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:46,292 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:46,298 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:46,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:46,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:46,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:46,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:46,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:46,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:46,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:46,310 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:46,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:46,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:46,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:46,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:46,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:46,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:46,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:46,335 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:13:46,370 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2019-12-07 18:13:46,371 INFO L444 ModelExtractionUtils]: 21 out of 40 variables were initially zero. Simplification set additionally 16 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:46,373 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:13:46,375 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 18:13:46,375 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:13:46,375 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 [] [2019-12-07 18:13:46,390 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-12-07 18:13:46,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:13:46,409 INFO L264 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:13:46,410 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:13:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:13:46,415 INFO L264 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:13:46,416 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:13:46,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:13:46,424 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 [2019-12-07 18:13:46,424 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-12-07 18:13:46,430 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. [2019-12-07 18:13:46,431 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 [2019-12-07 18:13:46,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 18:13:46,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2019-12-07 18:13:46,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 10 letters. Loop has 6 letters. [2019-12-07 18:13:46,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:13:46,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 16 letters. Loop has 6 letters. [2019-12-07 18:13:46,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:13:46,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 10 letters. Loop has 12 letters. [2019-12-07 18:13:46,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:13:46,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 31 transitions. [2019-12-07 18:13:46,433 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 18:13:46,434 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 23 states and 29 transitions. [2019-12-07 18:13:46,434 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-12-07 18:13:46,434 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-12-07 18:13:46,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 29 transitions. [2019-12-07 18:13:46,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:13:46,434 INFO L688 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2019-12-07 18:13:46,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 29 transitions. [2019-12-07 18:13:46,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2019-12-07 18:13:46,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-12-07 18:13:46,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2019-12-07 18:13:46,436 INFO L711 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2019-12-07 18:13:46,436 INFO L591 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2019-12-07 18:13:46,436 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 18:13:46,436 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2019-12-07 18:13:46,437 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 18:13:46,437 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:13:46,437 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:13:46,437 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:13:46,437 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 18:13:46,437 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 [2019-12-07 18:13:46,438 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~short6;havoc insertionSort_#t~mem5;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 [2019-12-07 18:13:46,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:46,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 1 times [2019-12-07 18:13:46,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:13:46,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587264861] [2019-12-07 18:13:46,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:13:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:46,459 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:13:46,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:46,459 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 1 times [2019-12-07 18:13:46,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:13:46,459 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12714497] [2019-12-07 18:13:46,460 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:13:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:46,467 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:13:46,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:46,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1166584787, now seen corresponding path program 1 times [2019-12-07 18:13:46,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:13:46,468 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78311639] [2019-12-07 18:13:46,468 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:13:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:46,493 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:13:46,729 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 90 [2019-12-07 18:13:46,783 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:13:46,783 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:13:46,783 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:13:46,784 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:13:46,784 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:13:46,784 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:46,784 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:13:46,784 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:13:46,784 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration5_Lasso [2019-12-07 18:13:46,784 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:13:46,784 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:13:46,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:46,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:46,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:46,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:46,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:46,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:46,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:46,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:46,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:46,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:46,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:46,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:46,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:46,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:46,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:46,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:46,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:47,101 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 18:13:47,101 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:47,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:47,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:47,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:47,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:47,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:47,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:47,109 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:47,111 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:47,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:47,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:47,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:13:47,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:47,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:47,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:47,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:13:47,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:13:47,117 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:47,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:47,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:47,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:13:47,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:47,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:47,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:47,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:13:47,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:13:47,124 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:47,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:47,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:47,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:47,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:47,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:47,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:47,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:47,131 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:47,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:47,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:47,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 18:13:47,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:47,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:47,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:47,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 18:13:47,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 18:13:47,137 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:47,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:47,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:47,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:47,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:47,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:47,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:47,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:47,148 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:47,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:47,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:47,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:47,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:47,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:47,155 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:47,155 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:47,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:47,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 18:13:47,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 18:13:47,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 18:13:47,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 18:13:47,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 18:13:47,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 18:13:47,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 18:13:47,182 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 18:13:47,214 INFO L443 ModelExtractionUtils]: Simplification made 23 calls to the SMT solver. [2019-12-07 18:13:47,214 INFO L444 ModelExtractionUtils]: 7 out of 37 variables were initially zero. Simplification set additionally 28 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:47,217 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 18:13:47,219 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 18:13:47,219 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 18:13:47,219 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~j~0) = 1*ULTIMATE.start_insertionSort_~j~0 Supporting invariants [] [2019-12-07 18:13:47,227 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-12-07 18:13:47,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:13:47,242 INFO L264 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:13:47,242 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:13:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:13:47,247 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 18:13:47,247 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:13:47,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:13:47,265 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-12-07 18:13:47,265 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9 Second operand 4 states. [2019-12-07 18:13:47,289 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. [2019-12-07 18:13:47,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-12-07 18:13:47,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 18:13:47,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2019-12-07 18:13:47,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 11 letters. Loop has 4 letters. [2019-12-07 18:13:47,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:13:47,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 15 letters. Loop has 4 letters. [2019-12-07 18:13:47,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:13:47,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 11 letters. Loop has 8 letters. [2019-12-07 18:13:47,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 18:13:47,291 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 68 transitions. [2019-12-07 18:13:47,292 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 18:13:47,293 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 36 states and 46 transitions. [2019-12-07 18:13:47,293 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-12-07 18:13:47,293 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 18:13:47,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 46 transitions. [2019-12-07 18:13:47,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:13:47,293 INFO L688 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2019-12-07 18:13:47,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 46 transitions. [2019-12-07 18:13:47,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 28. [2019-12-07 18:13:47,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-12-07 18:13:47,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2019-12-07 18:13:47,296 INFO L711 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-12-07 18:13:47,296 INFO L591 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-12-07 18:13:47,296 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 18:13:47,296 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2019-12-07 18:13:47,296 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 18:13:47,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:13:47,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:13:47,297 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:13:47,297 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 18:13:47,297 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~short6;havoc insertionSort_#t~mem5; 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 [2019-12-07 18:13:47,297 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~short6;havoc insertionSort_#t~mem5;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 [2019-12-07 18:13:47,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:47,297 INFO L82 PathProgramCache]: Analyzing trace with hash 103309060, now seen corresponding path program 1 times [2019-12-07 18:13:47,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:13:47,297 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966578295] [2019-12-07 18:13:47,297 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:13:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:13:47,315 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-07 18:13:47,315 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966578295] [2019-12-07 18:13:47,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:13:47,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 18:13:47,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960942674] [2019-12-07 18:13:47,315 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:13:47,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:47,316 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 2 times [2019-12-07 18:13:47,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:13:47,316 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322289799] [2019-12-07 18:13:47,316 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:13:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:47,321 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:13:47,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:13:47,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:13:47,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:13:47,378 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. cyclomatic complexity: 12 Second operand 5 states. [2019-12-07 18:13:47,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:13:47,408 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2019-12-07 18:13:47,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 18:13:47,409 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2019-12-07 18:13:47,410 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 18:13:47,410 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 49 transitions. [2019-12-07 18:13:47,410 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-12-07 18:13:47,410 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 18:13:47,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2019-12-07 18:13:47,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:13:47,411 INFO L688 BuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2019-12-07 18:13:47,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2019-12-07 18:13:47,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 31. [2019-12-07 18:13:47,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-07 18:13:47,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2019-12-07 18:13:47,414 INFO L711 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2019-12-07 18:13:47,414 INFO L591 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2019-12-07 18:13:47,414 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-12-07 18:13:47,414 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 40 transitions. [2019-12-07 18:13:47,414 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 18:13:47,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:13:47,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:13:47,415 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:13:47,415 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 18:13:47,415 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~short6;havoc insertionSort_#t~mem5; 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 [2019-12-07 18:13:47,415 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~short6;havoc insertionSort_#t~mem5;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 [2019-12-07 18:13:47,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:47,416 INFO L82 PathProgramCache]: Analyzing trace with hash 101462018, now seen corresponding path program 3 times [2019-12-07 18:13:47,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:13:47,416 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823010358] [2019-12-07 18:13:47,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:13:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:13:47,480 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:13:47,480 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823010358] [2019-12-07 18:13:47,480 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268956526] [2019-12-07 18:13:47,480 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5614dce-372a-4754-88aa-c7554f218d37/bin/uautomizer/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:13:47,517 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-12-07 18:13:47,518 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 18:13:47,518 INFO L264 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 18:13:47,519 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:13:47,565 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:13:47,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:13:47,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2019-12-07 18:13:47,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821130343] [2019-12-07 18:13:47,566 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 18:13:47,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:47,566 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 3 times [2019-12-07 18:13:47,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:13:47,566 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538862310] [2019-12-07 18:13:47,566 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:13:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:47,571 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:13:47,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:13:47,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 18:13:47,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2019-12-07 18:13:47,631 INFO L87 Difference]: Start difference. First operand 31 states and 40 transitions. cyclomatic complexity: 13 Second operand 14 states. [2019-12-07 18:13:47,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:13:47,738 INFO L93 Difference]: Finished difference Result 48 states and 61 transitions. [2019-12-07 18:13:47,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 18:13:47,739 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 61 transitions. [2019-12-07 18:13:47,740 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 18:13:47,740 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 34 states and 43 transitions. [2019-12-07 18:13:47,740 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-12-07 18:13:47,740 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-12-07 18:13:47,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 43 transitions. [2019-12-07 18:13:47,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 18:13:47,740 INFO L688 BuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2019-12-07 18:13:47,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 43 transitions. [2019-12-07 18:13:47,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2019-12-07 18:13:47,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 18:13:47,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2019-12-07 18:13:47,742 INFO L711 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2019-12-07 18:13:47,742 INFO L591 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2019-12-07 18:13:47,742 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-12-07 18:13:47,742 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 42 transitions. [2019-12-07 18:13:47,742 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 18:13:47,743 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:13:47,743 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:13:47,743 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:13:47,743 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 18:13:47,743 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~short6;havoc insertionSort_#t~mem5; 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 [2019-12-07 18:13:47,743 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~short6;havoc insertionSort_#t~mem5;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 [2019-12-07 18:13:47,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:47,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1730024032, now seen corresponding path program 4 times [2019-12-07 18:13:47,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:13:47,744 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422600499] [2019-12-07 18:13:47,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:13:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:47,768 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:13:47,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:47,768 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 4 times [2019-12-07 18:13:47,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:13:47,768 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140347748] [2019-12-07 18:13:47,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:13:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:47,775 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:13:47,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:13:47,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1424072763, now seen corresponding path program 1 times [2019-12-07 18:13:47,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:13:47,775 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459292773] [2019-12-07 18:13:47,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:13:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:13:47,805 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:13:48,340 WARN L192 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 128 [2019-12-07 18:13:48,419 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 18:13:48,419 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 18:13:48,419 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 18:13:48,419 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 18:13:48,420 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 18:13:48,420 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:13:48,420 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 18:13:48,420 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 18:13:48,420 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration8_Lasso [2019-12-07 18:13:48,420 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 18:13:48,420 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 18:13:48,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:48,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:48,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:48,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:48,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:48,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:48,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:48,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:48,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:48,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 18:13:48,490 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) [2019-12-07 18:13:48,493 INFO L168 Benchmark]: Toolchain (without parser) took 5239.38 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 354.4 MB). Free memory was 935.3 MB in the beginning and 894.8 MB in the end (delta: 40.6 MB). Peak memory consumption was 395.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:13:48,493 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:13:48,494 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -204.9 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:13:48,494 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.51 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. [2019-12-07 18:13:48,494 INFO L168 Benchmark]: Boogie Preprocessor took 18.92 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. [2019-12-07 18:13:48,494 INFO L168 Benchmark]: RCFGBuilder took 204.89 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: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:13:48,495 INFO L168 Benchmark]: BuchiAutomizer took 4680.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 192.4 MB). Free memory was 1.1 GB in the beginning and 894.8 MB in the end (delta: 222.7 MB). Peak memory consumption was 415.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:13:48,497 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 300.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -204.9 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.51 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 18.92 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. * RCFGBuilder took 204.89 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: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4680.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 192.4 MB). Free memory was 1.1 GB in the beginning and 894.8 MB in the end (delta: 222.7 MB). Peak memory consumption was 415.1 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...