./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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_fa1a6364-defb-45f1-8879-a1003a837e16/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 0.2.0-a4ecdab [2020-11-28 03:18:50,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:18:50,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:18:50,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:18:50,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:18:50,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:18:50,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:18:50,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:18:50,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:18:50,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:18:50,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:18:50,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:18:50,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:18:50,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:18:50,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:18:50,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:18:50,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:18:50,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:18:50,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:18:50,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:18:50,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:18:50,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:18:50,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:18:50,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:18:50,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:18:50,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:18:50,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:18:50,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:18:50,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:18:50,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:18:50,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:18:50,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:18:50,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:18:50,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:18:50,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:18:50,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:18:50,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:18:50,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:18:50,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:18:50,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:18:50,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:18:50,506 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:18:50,545 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:18:50,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:18:50,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:18:50,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:18:50,547 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:18:50,548 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:18:50,548 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:18:50,548 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:18:50,548 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:18:50,549 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:18:50,549 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:18:50,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:18:50,549 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:18:50,550 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:18:50,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:18:50,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:18:50,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:18:50,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:18:50,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:18:50,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:18:50,551 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:18:50,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:18:50,552 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:18:50,552 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:18:50,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:18:50,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:18:50,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:18:50,553 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:18:50,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:18:50,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:18:50,554 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:18:50,554 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:18:50,555 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:18:50,555 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c42e17875debafbb946353bbf5dda6a0b0ba9b37 [2020-11-28 03:18:50,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:18:50,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:18:50,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:18:50,894 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:18:50,895 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:18:50,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2020-11-28 03:18:50,987 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/bin/uautomizer/data/7428724a4/0c2d0b64d4f3451bb023a8d4848c310d/FLAG4d3d2e9d5 [2020-11-28 03:18:51,644 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:18:51,645 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2020-11-28 03:18:51,661 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/bin/uautomizer/data/7428724a4/0c2d0b64d4f3451bb023a8d4848c310d/FLAG4d3d2e9d5 [2020-11-28 03:18:51,943 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/bin/uautomizer/data/7428724a4/0c2d0b64d4f3451bb023a8d4848c310d [2020-11-28 03:18:51,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:18:51,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:18:51,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:18:51,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:18:51,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:18:51,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:51" (1/1) ... [2020-11-28 03:18:51,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cfed481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:51, skipping insertion in model container [2020-11-28 03:18:51,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:51" (1/1) ... [2020-11-28 03:18:51,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:18:52,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:18:52,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:18:52,385 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:18:52,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:18:52,565 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:18:52,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:52 WrapperNode [2020-11-28 03:18:52,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:18:52,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:18:52,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:18:52,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:18:52,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:52" (1/1) ... [2020-11-28 03:18:52,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:52" (1/1) ... [2020-11-28 03:18:52,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:18:52,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:18:52,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:18:52,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:18:52,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:52" (1/1) ... [2020-11-28 03:18:52,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:52" (1/1) ... [2020-11-28 03:18:52,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:52" (1/1) ... [2020-11-28 03:18:52,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:52" (1/1) ... [2020-11-28 03:18:52,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:52" (1/1) ... [2020-11-28 03:18:52,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:52" (1/1) ... [2020-11-28 03:18:52,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:52" (1/1) ... [2020-11-28 03:18:52,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:18:52,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:18:52,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:18:52,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:18:52,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:18:52,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:18:52,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:18:52,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:18:52,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:18:52,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:18:52,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:18:53,193 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:18:53,193 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:18:53,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:53 BoogieIcfgContainer [2020-11-28 03:18:53,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:18:53,196 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:18:53,197 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:18:53,205 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:18:53,206 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:18:53,210 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:18:51" (1/3) ... [2020-11-28 03:18:53,212 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50f62c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:18:53, skipping insertion in model container [2020-11-28 03:18:53,212 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:18:53,213 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:52" (2/3) ... [2020-11-28 03:18:53,214 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50f62c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:18:53, skipping insertion in model container [2020-11-28 03:18:53,215 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:18:53,215 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:18:53" (3/3) ... [2020-11-28 03:18:53,217 INFO L373 chiAutomizerObserver]: Analyzing ICFG insertionsort-alloca-1.i [2020-11-28 03:18:53,280 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:18:53,280 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:18:53,280 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:18:53,280 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:18:53,280 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:18:53,281 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:18:53,281 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:18:53,281 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:18:53,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2020-11-28 03:18:53,312 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2020-11-28 03:18:53,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:18:53,313 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:18:53,320 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:18:53,320 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:18:53,320 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:18:53,321 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2020-11-28 03:18:53,323 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2020-11-28 03:18:53,323 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:18:53,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:18:53,324 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:18:53,324 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:18:53,332 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 [2020-11-28 03:18:53,332 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 [2020-11-28 03:18:53,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:53,338 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2020-11-28 03:18:53,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:53,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421262596] [2020-11-28 03:18:53,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:53,481 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:53,507 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:53,531 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:53,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:53,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2020-11-28 03:18:53,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:53,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500451252] [2020-11-28 03:18:53,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:53,552 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:53,562 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:53,566 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:53,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:53,568 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2020-11-28 03:18:53,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:53,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757907919] [2020-11-28 03:18:53,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:53,596 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:53,617 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:53,623 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:53,948 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-11-28 03:18:54,046 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:18:54,047 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:18:54,047 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:18:54,047 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:18:54,048 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:18:54,048 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:54,048 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:18:54,048 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:18:54,048 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration1_Lasso [2020-11-28 03:18:54,048 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:18:54,049 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:18:54,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:54,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:54,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:54,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:54,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:54,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:54,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:54,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:54,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:54,699 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:18:54,704 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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) [2020-11-28 03:18:54,713 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 [2020-11-28 03:18:54,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:54,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:18:54,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:54,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:54,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:54,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:18:54,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:54,725 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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) [2020-11-28 03:18:54,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:54,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:54,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:18:54,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:54,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:54,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:54,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:18:54,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:18:54,790 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:18:54,841 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 [2020-11-28 03:18:54,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:54,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:54,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:54,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:54,850 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:54,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:54,859 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:18:54,915 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 [2020-11-28 03:18:54,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:54,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:54,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:54,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:54,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:54,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:54,928 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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) [2020-11-28 03:18:54,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:54,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:54,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:18:54,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:54,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:54,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:54,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:18:54,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:18:54,995 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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) [2020-11-28 03:18:55,054 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 [2020-11-28 03:18:55,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:55,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:55,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:55,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:55,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:55,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:55,075 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:18:55,114 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 [2020-11-28 03:18:55,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:55,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:55,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:55,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:55,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:55,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:55,127 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:18:55,173 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 [2020-11-28 03:18:55,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:55,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:55,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:55,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:55,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:55,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:55,187 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:18:55,240 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 [2020-11-28 03:18:55,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:55,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:18:55,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:55,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:55,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:55,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:18:55,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:18:55,246 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:18:55,302 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 [2020-11-28 03:18:55,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:55,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:55,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:55,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:55,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:55,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:55,320 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:18:55,358 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 [2020-11-28 03:18:55,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:55,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:55,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:55,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:55,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:55,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:55,376 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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) [2020-11-28 03:18:55,429 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 [2020-11-28 03:18:55,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:55,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:55,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:55,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:55,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:55,437 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:55,445 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:18:55,496 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 [2020-11-28 03:18:55,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:55,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:18:55,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:55,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:55,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:55,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:18:55,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:18:55,502 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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) [2020-11-28 03:18:55,551 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:55,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:55,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:55,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:55,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:55,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:55,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:55,592 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:18:55,678 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-11-28 03:18:55,678 INFO L444 ModelExtractionUtils]: 7 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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) [2020-11-28 03:18:55,713 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:55,718 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-28 03:18:55,718 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:18:55,719 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_1) = -4*ULTIMATE.start_main_~i~1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_1 Supporting invariants [1*ULTIMATE.start_main_~a~0.offset >= 0] [2020-11-28 03:18:55,780 INFO L297 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2020-11-28 03:18:55,794 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 03:18:55,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:55,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 03:18:55,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:55,904 WARN L261 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 03:18:55,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:56,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:56,127 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 [2020-11-28 03:18:56,128 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 3 states. [2020-11-28 03:18:56,264 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states.. Second operand 3 states. Result 41 states and 59 transitions. Complement of second has 8 states. [2020-11-28 03:18:56,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:56,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:18:56,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2020-11-28 03:18:56,271 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 4 letters. Loop has 2 letters. [2020-11-28 03:18:56,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:56,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 6 letters. Loop has 2 letters. [2020-11-28 03:18:56,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:56,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 4 letters. Loop has 4 letters. [2020-11-28 03:18:56,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:56,274 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 59 transitions. [2020-11-28 03:18:56,279 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-11-28 03:18:56,283 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 15 states and 20 transitions. [2020-11-28 03:18:56,284 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2020-11-28 03:18:56,285 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2020-11-28 03:18:56,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2020-11-28 03:18:56,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:18:56,286 INFO L691 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2020-11-28 03:18:56,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2020-11-28 03:18:56,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-11-28 03:18:56,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-28 03:18:56,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2020-11-28 03:18:56,318 INFO L714 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2020-11-28 03:18:56,318 INFO L594 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2020-11-28 03:18:56,318 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:18:56,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2020-11-28 03:18:56,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-11-28 03:18:56,320 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:18:56,320 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:18:56,320 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:18:56,320 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:18:56,321 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 [2020-11-28 03:18:56,321 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 [2020-11-28 03:18:56,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:56,322 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2020-11-28 03:18:56,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:56,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022760312] [2020-11-28 03:18:56,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:56,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:56,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022760312] [2020-11-28 03:18:56,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:56,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:18:56,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383439562] [2020-11-28 03:18:56,420 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:18:56,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:56,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 1 times [2020-11-28 03:18:56,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:56,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857352169] [2020-11-28 03:18:56,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:56,451 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:56,469 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:56,479 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:56,634 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2020-11-28 03:18:56,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:56,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:18:56,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:18:56,751 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand 4 states. [2020-11-28 03:18:56,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:56,825 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2020-11-28 03:18:56,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:18:56,827 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2020-11-28 03:18:56,828 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-11-28 03:18:56,829 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 20 transitions. [2020-11-28 03:18:56,829 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-11-28 03:18:56,829 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2020-11-28 03:18:56,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2020-11-28 03:18:56,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:18:56,830 INFO L691 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2020-11-28 03:18:56,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2020-11-28 03:18:56,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2020-11-28 03:18:56,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-28 03:18:56,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2020-11-28 03:18:56,832 INFO L714 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2020-11-28 03:18:56,832 INFO L594 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2020-11-28 03:18:56,832 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:18:56,832 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2020-11-28 03:18:56,833 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-11-28 03:18:56,833 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:18:56,833 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:18:56,834 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:56,834 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:18:56,834 INFO L794 eck$LassoCheckResult]: Stem: 176#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 175#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 169#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 170#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 173#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 177#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 178#L530-3 assume !(main_~i~1 < main_~array_size~0); 164#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 165#L515-3 [2020-11-28 03:18:56,834 INFO L796 eck$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 [2020-11-28 03:18:56,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:56,835 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2020-11-28 03:18:56,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:56,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724215963] [2020-11-28 03:18:56,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:56,855 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:56,876 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:56,881 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:56,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:56,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 2 times [2020-11-28 03:18:56,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:56,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813584293] [2020-11-28 03:18:56,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:56,897 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:56,910 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:56,913 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:56,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:56,914 INFO L82 PathProgramCache]: Analyzing trace with hash -259891877, now seen corresponding path program 1 times [2020-11-28 03:18:56,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:56,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362550869] [2020-11-28 03:18:56,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:57,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:57,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362550869] [2020-11-28 03:18:57,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387784793] [2020-11-28 03:18:57,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:18:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:57,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 03:18:57,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:57,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:57,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:18:57,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-11-28 03:18:57,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602013035] [2020-11-28 03:18:57,343 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2020-11-28 03:18:57,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:18:57,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 03:18:57,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:18:57,393 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand 8 states. [2020-11-28 03:18:57,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:57,552 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2020-11-28 03:18:57,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:18:57,553 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2020-11-28 03:18:57,555 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-11-28 03:18:57,555 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 18 states and 21 transitions. [2020-11-28 03:18:57,556 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-11-28 03:18:57,556 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2020-11-28 03:18:57,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2020-11-28 03:18:57,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:18:57,556 INFO L691 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2020-11-28 03:18:57,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2020-11-28 03:18:57,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2020-11-28 03:18:57,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-11-28 03:18:57,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2020-11-28 03:18:57,559 INFO L714 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2020-11-28 03:18:57,559 INFO L594 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2020-11-28 03:18:57,559 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-28 03:18:57,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2020-11-28 03:18:57,565 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-11-28 03:18:57,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:18:57,566 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:18:57,567 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:57,568 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:18:57,569 INFO L794 eck$LassoCheckResult]: Stem: 276#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 275#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 269#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 270#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 273#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 277#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 278#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 279#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 280#L530-3 assume !(main_~i~1 < main_~array_size~0); 264#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 265#L515-3 [2020-11-28 03:18:57,569 INFO L796 eck$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 [2020-11-28 03:18:57,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:57,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1899756335, now seen corresponding path program 2 times [2020-11-28 03:18:57,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:57,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075793763] [2020-11-28 03:18:57,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:57,625 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:57,648 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:57,660 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:57,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:57,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 3 times [2020-11-28 03:18:57,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:57,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959381009] [2020-11-28 03:18:57,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:57,676 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:57,706 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:57,709 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:57,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:57,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1804388285, now seen corresponding path program 2 times [2020-11-28 03:18:57,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:57,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511375121] [2020-11-28 03:18:57,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:57,753 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:57,793 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:57,799 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:57,946 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2020-11-28 03:18:58,342 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 77 [2020-11-28 03:18:58,451 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:18:58,452 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:18:58,452 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:18:58,452 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:18:58,452 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:18:58,452 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:58,452 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:18:58,452 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:18:58,452 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration4_Lasso [2020-11-28 03:18:58,452 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:18:58,452 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:18:58,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:58,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:58,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:58,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:58,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:58,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:58,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:58,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:58,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:58,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:58,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:58,752 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-11-28 03:18:58,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:58,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:58,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:58,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:58,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:59,112 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2020-11-28 03:18:59,405 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:18:59,405 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:18:59,413 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 [2020-11-28 03:18:59,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:59,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:18:59,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:59,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:59,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:59,416 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:18:59,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:18:59,417 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:18:59,451 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 [2020-11-28 03:18:59,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:59,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:18:59,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:59,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:59,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:59,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:18:59,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:18:59,460 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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) [2020-11-28 03:18:59,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:59,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:59,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:18:59,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:59,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:59,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:59,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:18:59,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:18:59,499 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:18:59,530 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 [2020-11-28 03:18:59,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:59,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:18:59,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:59,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:59,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:59,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:18:59,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:18:59,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:18:59,569 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 [2020-11-28 03:18:59,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:59,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:59,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:59,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:59,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:59,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:59,581 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:18:59,609 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 [2020-11-28 03:18:59,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:59,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:18:59,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:59,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:59,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:59,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:18:59,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:18:59,613 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:18:59,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:18:59,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:59,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:18:59,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:59,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:59,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:59,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:18:59,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:18:59,645 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:18:59,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:18:59,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:59,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:59,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:59,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:59,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:59,678 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:59,681 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:18:59,709 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 [2020-11-28 03:18:59,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:59,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:18:59,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:59,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:59,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:59,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:18:59,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:18:59,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:18:59,741 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 [2020-11-28 03:18:59,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:59,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:59,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:59,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:59,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:59,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:59,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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) [2020-11-28 03:18:59,818 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 [2020-11-28 03:18:59,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:59,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:18:59,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:59,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:59,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:59,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:18:59,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:59,826 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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) [2020-11-28 03:18:59,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:18:59,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:59,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:59,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:59,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:59,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:59,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:59,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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) [2020-11-28 03:18:59,945 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 [2020-11-28 03:18:59,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:59,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:59,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:59,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:59,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:59,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:59,963 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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) [2020-11-28 03:19:00,010 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 [2020-11-28 03:19:00,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:00,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:00,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:00,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:00,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:19:00,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:19:00,052 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:19:00,119 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2020-11-28 03:19:00,119 INFO L444 ModelExtractionUtils]: 21 out of 40 variables were initially zero. Simplification set additionally 15 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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) [2020-11-28 03:19:00,123 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:00,127 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:19:00,127 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:19:00,127 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_2, ULTIMATE.start_insertionSort_~a.offset, ULTIMATE.start_insertionSort_~i~0) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_2 - 1*ULTIMATE.start_insertionSort_~a.offset - 4*ULTIMATE.start_insertionSort_~i~0 Supporting invariants [] [2020-11-28 03:19:00,191 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2020-11-28 03:19:00,195 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 03:19:00,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:00,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:19:00,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:00,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 03:19:00,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:00,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:00,430 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-11-28 03:19:00,431 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 4 states. [2020-11-28 03:19:00,514 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 25 states and 31 transitions. Complement of second has 5 states. [2020-11-28 03:19:00,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:19:00,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:19:00,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2020-11-28 03:19:00,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 10 letters. Loop has 6 letters. [2020-11-28 03:19:00,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:19:00,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 6 letters. [2020-11-28 03:19:00,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:19:00,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 10 letters. Loop has 12 letters. [2020-11-28 03:19:00,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:19:00,517 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 31 transitions. [2020-11-28 03:19:00,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:19:00,520 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 23 states and 29 transitions. [2020-11-28 03:19:00,520 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2020-11-28 03:19:00,520 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2020-11-28 03:19:00,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 29 transitions. [2020-11-28 03:19:00,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:19:00,520 INFO L691 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2020-11-28 03:19:00,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 29 transitions. [2020-11-28 03:19:00,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2020-11-28 03:19:00,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-11-28 03:19:00,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2020-11-28 03:19:00,527 INFO L714 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2020-11-28 03:19:00,527 INFO L594 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2020-11-28 03:19:00,527 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-28 03:19:00,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2020-11-28 03:19:00,530 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:19:00,530 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:19:00,530 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:19:00,531 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:00,531 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-28 03:19:00,532 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 [2020-11-28 03:19:00,532 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 [2020-11-28 03:19:00,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:00,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 1 times [2020-11-28 03:19:00,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:00,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061652693] [2020-11-28 03:19:00,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:00,566 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:00,579 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:00,584 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:19:00,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:00,585 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 1 times [2020-11-28 03:19:00,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:00,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051416326] [2020-11-28 03:19:00,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:00,591 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:00,596 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:00,598 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:19:00,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:00,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1166584787, now seen corresponding path program 1 times [2020-11-28 03:19:00,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:00,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877497534] [2020-11-28 03:19:00,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:00,618 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:00,646 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:00,652 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:19:00,763 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-11-28 03:19:01,108 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 90 [2020-11-28 03:19:01,271 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-11-28 03:19:01,277 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:19:01,277 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:19:01,278 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:19:01,278 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:19:01,278 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:19:01,278 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:01,278 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:19:01,278 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:19:01,278 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration5_Lasso [2020-11-28 03:19:01,278 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:19:01,278 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:19:01,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:01,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:01,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:01,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:01,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:01,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:01,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:01,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:01,490 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-11-28 03:19:01,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:01,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:01,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:01,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:01,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:01,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:01,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:01,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:01,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:01,948 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:19:01,948 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:19:01,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:19:01,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:01,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:01,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:01,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:01,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:19:01,957 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:19:01,963 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:19:01,989 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 [2020-11-28 03:19:01,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:01,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:19:01,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:01,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:01,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:01,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:19:01,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:19:01,992 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:19:02,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:19:02,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:02,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:19:02,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:02,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:02,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:02,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:19:02,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:19:02,019 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:19:02,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:19:02,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:02,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:02,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:02,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:02,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:19:02,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:19:02,046 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:19:02,071 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 [2020-11-28 03:19:02,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:02,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:19:02,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:02,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:02,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:02,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:19:02,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:19:02,074 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:19:02,096 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 [2020-11-28 03:19:02,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:02,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:19:02,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:02,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:02,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:02,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:19:02,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:19:02,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:19:02,121 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 [2020-11-28 03:19:02,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:02,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:02,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:02,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:02,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:19:02,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:19:02,127 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:19:02,150 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 [2020-11-28 03:19:02,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:02,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:02,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:02,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:02,155 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:19:02,155 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:19:02,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:19:02,190 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 [2020-11-28 03:19:02,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:02,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:02,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:02,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:02,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:19:02,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:19:02,219 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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 [2020-11-28 03:19:02,254 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 [2020-11-28 03:19:02,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:19:02,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:19:02,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:19:02,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:19:02,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:19:02,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:19:02,287 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:19:02,331 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-11-28 03:19:02,331 INFO L444 ModelExtractionUtils]: 25 out of 37 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/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) [2020-11-28 03:19:02,335 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:02,338 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:19:02,339 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:19:02,339 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~j~0) = 1*ULTIMATE.start_insertionSort_~j~0 Supporting invariants [] [2020-11-28 03:19:02,387 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2020-11-28 03:19:02,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:02,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:19:02,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:02,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:19:02,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:02,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:02,468 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 [2020-11-28 03:19:02,468 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9 Second operand 4 states. [2020-11-28 03:19:02,514 INFO L75 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. [2020-11-28 03:19:02,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-28 03:19:02,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:19:02,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2020-11-28 03:19:02,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 11 letters. Loop has 4 letters. [2020-11-28 03:19:02,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:19:02,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 15 letters. Loop has 4 letters. [2020-11-28 03:19:02,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:19:02,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 11 letters. Loop has 8 letters. [2020-11-28 03:19:02,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:19:02,517 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 68 transitions. [2020-11-28 03:19:02,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:19:02,521 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 36 states and 46 transitions. [2020-11-28 03:19:02,521 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2020-11-28 03:19:02,522 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-11-28 03:19:02,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 46 transitions. [2020-11-28 03:19:02,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:19:02,522 INFO L691 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2020-11-28 03:19:02,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 46 transitions. [2020-11-28 03:19:02,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 28. [2020-11-28 03:19:02,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-11-28 03:19:02,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2020-11-28 03:19:02,526 INFO L714 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2020-11-28 03:19:02,526 INFO L594 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2020-11-28 03:19:02,526 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-11-28 03:19:02,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2020-11-28 03:19:02,527 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:19:02,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:19:02,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:19:02,528 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:02,528 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-28 03:19:02,528 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 [2020-11-28 03:19:02,529 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 [2020-11-28 03:19:02,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:02,529 INFO L82 PathProgramCache]: Analyzing trace with hash 103309060, now seen corresponding path program 1 times [2020-11-28 03:19:02,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:02,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828580033] [2020-11-28 03:19:02,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:02,585 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 03:19:02,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828580033] [2020-11-28 03:19:02,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:02,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:19:02,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283256511] [2020-11-28 03:19:02,586 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:19:02,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:02,587 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 2 times [2020-11-28 03:19:02,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:02,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639375528] [2020-11-28 03:19:02,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:02,591 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:02,603 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:02,604 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:19:02,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:02,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:19:02,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:02,732 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. cyclomatic complexity: 12 Second operand 5 states. [2020-11-28 03:19:02,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:02,812 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2020-11-28 03:19:02,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:19:02,814 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2020-11-28 03:19:02,816 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:19:02,817 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 49 transitions. [2020-11-28 03:19:02,817 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2020-11-28 03:19:02,817 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-11-28 03:19:02,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2020-11-28 03:19:02,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:19:02,817 INFO L691 BuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2020-11-28 03:19:02,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2020-11-28 03:19:02,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 31. [2020-11-28 03:19:02,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-28 03:19:02,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2020-11-28 03:19:02,821 INFO L714 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2020-11-28 03:19:02,821 INFO L594 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2020-11-28 03:19:02,821 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-11-28 03:19:02,821 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 40 transitions. [2020-11-28 03:19:02,822 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:19:02,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:19:02,822 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:19:02,823 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:02,823 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-28 03:19:02,823 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 [2020-11-28 03:19:02,823 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 [2020-11-28 03:19:02,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:02,826 INFO L82 PathProgramCache]: Analyzing trace with hash 101462018, now seen corresponding path program 3 times [2020-11-28 03:19:02,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:02,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869768405] [2020-11-28 03:19:02,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:02,998 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:02,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869768405] [2020-11-28 03:19:02,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491367643] [2020-11-28 03:19:02,999 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa1a6364-defb-45f1-8879-a1003a837e16/bin/uautomizer/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:19:03,068 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-11-28 03:19:03,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-28 03:19:03,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-28 03:19:03,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:03,205 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:03,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:19:03,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2020-11-28 03:19:03,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586853319] [2020-11-28 03:19:03,206 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:19:03,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:03,207 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 3 times [2020-11-28 03:19:03,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:03,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434568776] [2020-11-28 03:19:03,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:03,213 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:03,216 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:03,218 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:19:03,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:03,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-28 03:19:03,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-11-28 03:19:03,309 INFO L87 Difference]: Start difference. First operand 31 states and 40 transitions. cyclomatic complexity: 13 Second operand 14 states. [2020-11-28 03:19:03,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:03,550 INFO L93 Difference]: Finished difference Result 48 states and 61 transitions. [2020-11-28 03:19:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:19:03,551 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 61 transitions. [2020-11-28 03:19:03,552 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:19:03,553 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 34 states and 43 transitions. [2020-11-28 03:19:03,553 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2020-11-28 03:19:03,553 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-11-28 03:19:03,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 43 transitions. [2020-11-28 03:19:03,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:19:03,553 INFO L691 BuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2020-11-28 03:19:03,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 43 transitions. [2020-11-28 03:19:03,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2020-11-28 03:19:03,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-28 03:19:03,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2020-11-28 03:19:03,556 INFO L714 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2020-11-28 03:19:03,557 INFO L594 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2020-11-28 03:19:03,557 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-11-28 03:19:03,557 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 42 transitions. [2020-11-28 03:19:03,558 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:19:03,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:19:03,558 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:19:03,559 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:03,559 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-28 03:19:03,559 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 [2020-11-28 03:19:03,559 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 [2020-11-28 03:19:03,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:03,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1730024032, now seen corresponding path program 4 times [2020-11-28 03:19:03,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:03,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078390666] [2020-11-28 03:19:03,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:03,576 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:03,590 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:03,595 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:19:03,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:03,596 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 4 times [2020-11-28 03:19:03,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:03,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937626405] [2020-11-28 03:19:03,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:03,600 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:03,603 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:03,605 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:19:03,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:03,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1424072763, now seen corresponding path program 1 times [2020-11-28 03:19:03,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:03,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195806028] [2020-11-28 03:19:03,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:03,622 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:03,639 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:03,644 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:19:03,797 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-11-28 03:19:04,476 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 128 [2020-11-28 03:19:04,636 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-28 03:19:04,638 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:19:04,638 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:19:04,638 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:19:04,638 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:19:04,638 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:19:04,639 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:19:04,639 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:19:04,639 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:19:04,639 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration8_Lasso [2020-11-28 03:19:04,639 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:19:04,639 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:19:04,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:04,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:04,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:04,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:04,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:04,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:04,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:19:04,731 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$LassoCheckResult.(LassoCheck.java:865) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:461) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:382) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-28 03:19:04,734 INFO L168 Benchmark]: Toolchain (without parser) took 12785.75 ms. Allocated memory was 86.0 MB in the beginning and 209.7 MB in the end (delta: 123.7 MB). Free memory was 56.1 MB in the beginning and 154.2 MB in the end (delta: -98.1 MB). Peak memory consumption was 95.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:04,735 INFO L168 Benchmark]: CDTParser took 0.92 ms. Allocated memory is still 86.0 MB. Free memory is still 64.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:19:04,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.17 ms. Allocated memory is still 86.0 MB. Free memory was 55.8 MB in the beginning and 55.5 MB in the end (delta: 288.1 kB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:04,743 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.30 ms. Allocated memory is still 86.0 MB. Free memory was 55.5 MB in the beginning and 53.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:04,744 INFO L168 Benchmark]: Boogie Preprocessor took 34.19 ms. Allocated memory is still 86.0 MB. Free memory was 53.7 MB in the beginning and 52.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:19:04,744 INFO L168 Benchmark]: RCFGBuilder took 519.10 ms. Allocated memory is still 86.0 MB. Free memory was 52.5 MB in the beginning and 59.4 MB in the end (delta: -6.9 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:04,745 INFO L168 Benchmark]: BuchiAutomizer took 11536.97 ms. Allocated memory was 86.0 MB in the beginning and 209.7 MB in the end (delta: 123.7 MB). Free memory was 59.4 MB in the beginning and 154.2 MB in the end (delta: -94.8 MB). Peak memory consumption was 98.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:04,747 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92 ms. Allocated memory is still 86.0 MB. Free memory is still 64.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 619.17 ms. Allocated memory is still 86.0 MB. Free memory was 55.8 MB in the beginning and 55.5 MB in the end (delta: 288.1 kB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.30 ms. Allocated memory is still 86.0 MB. Free memory was 55.5 MB in the beginning and 53.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.19 ms. Allocated memory is still 86.0 MB. Free memory was 53.7 MB in the beginning and 52.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 519.10 ms. Allocated memory is still 86.0 MB. Free memory was 52.5 MB in the beginning and 59.4 MB in the end (delta: -6.9 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 11536.97 ms. Allocated memory was 86.0 MB in the beginning and 209.7 MB in the end (delta: 123.7 MB). Free memory was 59.4 MB in the beginning and 154.2 MB in the end (delta: -94.8 MB). Peak memory consumption was 98.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * 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...