./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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_d0683495-500e-4802-a130-0b80590985fe/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 0.2.0-69874e2 [2020-12-01 14:56:49,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 14:56:49,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 14:56:49,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 14:56:49,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 14:56:49,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 14:56:49,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 14:56:49,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 14:56:49,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 14:56:49,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 14:56:49,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 14:56:49,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 14:56:49,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 14:56:49,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 14:56:49,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 14:56:49,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 14:56:49,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 14:56:49,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 14:56:49,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 14:56:49,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 14:56:49,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 14:56:49,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 14:56:49,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 14:56:49,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 14:56:49,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 14:56:49,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 14:56:49,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 14:56:49,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 14:56:49,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 14:56:49,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 14:56:49,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 14:56:49,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 14:56:49,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 14:56:49,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 14:56:49,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 14:56:49,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 14:56:49,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 14:56:49,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 14:56:49,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 14:56:49,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 14:56:49,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 14:56:49,514 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-12-01 14:56:49,560 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 14:56:49,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 14:56:49,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 14:56:49,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 14:56:49,564 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 14:56:49,565 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-12-01 14:56:49,565 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-12-01 14:56:49,566 INFO L138 SettingsManager]: * Use old map elimination=false [2020-12-01 14:56:49,566 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-12-01 14:56:49,566 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-12-01 14:56:49,567 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-12-01 14:56:49,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 14:56:49,568 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 14:56:49,568 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 14:56:49,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 14:56:49,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 14:56:49,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 14:56:49,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-12-01 14:56:49,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-12-01 14:56:49,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-12-01 14:56:49,571 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 14:56:49,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 14:56:49,572 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-12-01 14:56:49,572 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 14:56:49,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-12-01 14:56:49,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 14:56:49,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 14:56:49,574 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-12-01 14:56:49,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 14:56:49,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 14:56:49,575 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 14:56:49,575 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-12-01 14:56:49,577 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-12-01 14:56:49,578 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_d0683495-500e-4802-a130-0b80590985fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c42e17875debafbb946353bbf5dda6a0b0ba9b37 [2020-12-01 14:56:49,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 14:56:50,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 14:56:50,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 14:56:50,023 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 14:56:50,024 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 14:56:50,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2020-12-01 14:56:50,152 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/bin/uautomizer/data/79102d9b8/2499b49685854ffea9040628e2569453/FLAG7980f7718 [2020-12-01 14:56:50,929 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 14:56:50,930 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2020-12-01 14:56:50,954 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/bin/uautomizer/data/79102d9b8/2499b49685854ffea9040628e2569453/FLAG7980f7718 [2020-12-01 14:56:51,227 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/bin/uautomizer/data/79102d9b8/2499b49685854ffea9040628e2569453 [2020-12-01 14:56:51,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 14:56:51,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 14:56:51,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 14:56:51,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 14:56:51,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 14:56:51,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:56:51" (1/1) ... [2020-12-01 14:56:51,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21b9090d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:51, skipping insertion in model container [2020-12-01 14:56:51,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:56:51" (1/1) ... [2020-12-01 14:56:51,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 14:56:51,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 14:56:51,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:56:51,769 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 14:56:51,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:56:51,897 INFO L208 MainTranslator]: Completed translation [2020-12-01 14:56:51,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:51 WrapperNode [2020-12-01 14:56:51,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 14:56:51,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 14:56:51,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 14:56:51,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 14:56:51,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:51" (1/1) ... [2020-12-01 14:56:51,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:51" (1/1) ... [2020-12-01 14:56:51,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 14:56:51,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 14:56:51,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 14:56:51,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 14:56:51,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:51" (1/1) ... [2020-12-01 14:56:51,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:51" (1/1) ... [2020-12-01 14:56:51,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:51" (1/1) ... [2020-12-01 14:56:51,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:51" (1/1) ... [2020-12-01 14:56:51,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:51" (1/1) ... [2020-12-01 14:56:51,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:51" (1/1) ... [2020-12-01 14:56:51,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:51" (1/1) ... [2020-12-01 14:56:51,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 14:56:51,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 14:56:51,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 14:56:51,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 14:56:52,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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 [2020-12-01 14:56:52,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 14:56:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 14:56:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 14:56:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 14:56:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 14:56:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 14:56:52,472 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 14:56:52,472 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 14:56:52,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:56:52 BoogieIcfgContainer [2020-12-01 14:56:52,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 14:56:52,475 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-12-01 14:56:52,476 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-12-01 14:56:52,480 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-12-01 14:56:52,481 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 14:56:52,481 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 02:56:51" (1/3) ... [2020-12-01 14:56:52,483 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ba10e9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 02:56:52, skipping insertion in model container [2020-12-01 14:56:52,483 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 14:56:52,484 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:51" (2/3) ... [2020-12-01 14:56:52,484 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ba10e9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 02:56:52, skipping insertion in model container [2020-12-01 14:56:52,484 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 14:56:52,485 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:56:52" (3/3) ... [2020-12-01 14:56:52,487 INFO L389 chiAutomizerObserver]: Analyzing ICFG insertionsort-alloca-1.i [2020-12-01 14:56:52,594 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-12-01 14:56:52,594 INFO L360 BuchiCegarLoop]: Hoare is false [2020-12-01 14:56:52,594 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-12-01 14:56:52,594 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 14:56:52,595 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 14:56:52,595 INFO L364 BuchiCegarLoop]: Difference is false [2020-12-01 14:56:52,595 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 14:56:52,595 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-12-01 14:56:52,611 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2020-12-01 14:56:52,632 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2020-12-01 14:56:52,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:56:52,632 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:56:52,640 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-12-01 14:56:52,640 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-12-01 14:56:52,640 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-12-01 14:56:52,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2020-12-01 14:56:52,643 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2020-12-01 14:56:52,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:56:52,643 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:56:52,644 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-12-01 14:56:52,644 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-12-01 14:56:52,652 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 [2020-12-01 14:56:52,653 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 [2020-12-01 14:56:52,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:52,661 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2020-12-01 14:56:52,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:52,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013659220] [2020-12-01 14:56:52,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:56:52,794 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:56:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:56:52,808 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:56:52,830 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:56:52,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:52,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2020-12-01 14:56:52,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:52,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026535385] [2020-12-01 14:56:52,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:56:52,848 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:56:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:56:52,857 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:56:52,860 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:56:52,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:52,863 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2020-12-01 14:56:52,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:52,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394324525] [2020-12-01 14:56:52,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:56:52,890 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:56:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:56:52,910 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:56:52,916 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:56:53,220 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-12-01 14:56:53,328 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 14:56:53,329 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 14:56:53,329 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 14:56:53,329 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 14:56:53,329 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 14:56:53,330 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:53,330 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 14:56:53,330 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 14:56:53,330 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration1_Lasso [2020-12-01 14:56:53,331 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 14:56:53,332 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 14:56:53,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:53,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:53,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:53,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:53,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:53,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:53,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:53,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:53,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:53,616 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-12-01 14:56:53,915 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 14:56:53,921 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:56:53,934 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 [2020-12-01 14:56:53,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:53,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:56:53,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:53,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:53,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:53,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:56:53,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:56:53,961 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:56:54,017 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 [2020-12-01 14:56:54,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:54,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:56:54,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:54,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:54,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:54,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:56:54,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:54,035 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:56:54,085 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 [2020-12-01 14:56:54,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:54,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:54,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:54,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:54,094 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:56:54,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:54,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:56:54,158 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 [2020-12-01 14:56:54,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:54,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:54,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:54,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:54,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:56:54,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:54,187 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:54,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:56:54,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:54,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:56:54,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:54,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:54,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:54,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:56:54,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:56:54,255 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:56:54,303 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 [2020-12-01 14:56:54,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:54,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:54,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:54,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:54,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:56:54,316 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:54,329 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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 [2020-12-01 14:56:54,363 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 [2020-12-01 14:56:54,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:54,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:54,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:54,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:54,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:56:54,370 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:56:54,394 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:56:54,449 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 [2020-12-01 14:56:54,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:54,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:54,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:54,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:54,461 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:56:54,461 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:54,479 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:56:54,527 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 [2020-12-01 14:56:54,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:54,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:56:54,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:54,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:54,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:54,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:56:54,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:54,544 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:56:54,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:56:54,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:54,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:54,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:54,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:54,595 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:56:54,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:54,632 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:56:54,679 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 [2020-12-01 14:56:54,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:54,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:54,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:54,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:54,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:56:54,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:54,714 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:54,752 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 [2020-12-01 14:56:54,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:54,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:54,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:54,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:54,760 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:56:54,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:56:54,784 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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 [2020-12-01 14:56:54,833 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 [2020-12-01 14:56:54,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:54,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:56:54,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:54,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:54,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:54,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:56:54,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:56:54,876 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:56:54,932 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 [2020-12-01 14:56:54,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:54,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:54,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:54,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:54,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:56:54,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:54,979 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 14:56:55,049 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-12-01 14:56:55,050 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_d0683495-500e-4802-a130-0b80590985fe/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:55,140 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-12-01 14:56:55,162 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-12-01 14:56:55,162 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 14:56:55,163 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_1, ULTIMATE.start_main_~i~1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_1 - 4*ULTIMATE.start_main_~i~1 Supporting invariants [1*ULTIMATE.start_main_~a~0.offset >= 0] [2020-12-01 14:56:55,216 INFO L297 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2020-12-01 14:56:55,230 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 14:56:55,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:55,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 14:56:55,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:56:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:55,321 WARN L261 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 14:56:55,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:56:55,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:56:55,378 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 [2020-12-01 14:56:55,380 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 3 states. [2020-12-01 14:56:55,524 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. [2020-12-01 14:56:55,525 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 [2020-12-01 14:56:55,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-12-01 14:56:55,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2020-12-01 14:56:55,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 4 letters. Loop has 2 letters. [2020-12-01 14:56:55,532 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:56:55,532 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 6 letters. Loop has 2 letters. [2020-12-01 14:56:55,533 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:56:55,533 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 4 letters. Loop has 4 letters. [2020-12-01 14:56:55,533 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:56:55,534 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 59 transitions. [2020-12-01 14:56:55,545 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-12-01 14:56:55,553 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 15 states and 20 transitions. [2020-12-01 14:56:55,554 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2020-12-01 14:56:55,554 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2020-12-01 14:56:55,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2020-12-01 14:56:55,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 14:56:55,557 INFO L692 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2020-12-01 14:56:55,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2020-12-01 14:56:55,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-12-01 14:56:55,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-12-01 14:56:55,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2020-12-01 14:56:55,591 INFO L715 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2020-12-01 14:56:55,592 INFO L595 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2020-12-01 14:56:55,592 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-12-01 14:56:55,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2020-12-01 14:56:55,594 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-12-01 14:56:55,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:56:55,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:56:55,602 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-12-01 14:56:55,602 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-12-01 14:56:55,603 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 [2020-12-01 14:56:55,604 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 [2020-12-01 14:56:55,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:55,606 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2020-12-01 14:56:55,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:55,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016007094] [2020-12-01 14:56:55,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:55,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:56:55,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016007094] [2020-12-01 14:56:55,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:56:55,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 14:56:55,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618788419] [2020-12-01 14:56:55,729 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-12-01 14:56:55,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:55,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 1 times [2020-12-01 14:56:55,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:55,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343376765] [2020-12-01 14:56:55,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:56:55,764 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:56:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:56:55,797 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:56:55,801 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:56:55,962 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2020-12-01 14:56:56,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:56:56,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 14:56:56,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 14:56:56,037 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand 4 states. [2020-12-01 14:56:56,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:56:56,075 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2020-12-01 14:56:56,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 14:56:56,077 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2020-12-01 14:56:56,080 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-12-01 14:56:56,082 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 20 transitions. [2020-12-01 14:56:56,082 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-12-01 14:56:56,083 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2020-12-01 14:56:56,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2020-12-01 14:56:56,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 14:56:56,083 INFO L692 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2020-12-01 14:56:56,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2020-12-01 14:56:56,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2020-12-01 14:56:56,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-12-01 14:56:56,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2020-12-01 14:56:56,088 INFO L715 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2020-12-01 14:56:56,088 INFO L595 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2020-12-01 14:56:56,088 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-12-01 14:56:56,088 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2020-12-01 14:56:56,091 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-12-01 14:56:56,091 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:56:56,091 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:56:56,092 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:56:56,092 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-12-01 14:56:56,092 INFO L794 eck$LassoCheckResult]: Stem: 176#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 175#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 169#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 170#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 173#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 177#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 178#L530-3 assume !(main_~i~1 < main_~array_size~0); 164#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 165#L515-3 [2020-12-01 14:56:56,093 INFO L796 eck$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 [2020-12-01 14:56:56,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:56,106 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2020-12-01 14:56:56,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:56,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075519815] [2020-12-01 14:56:56,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:56:56,139 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:56:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:56:56,159 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:56:56,174 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:56:56,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:56,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 2 times [2020-12-01 14:56:56,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:56,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381442290] [2020-12-01 14:56:56,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:56:56,204 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:56:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:56:56,223 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:56:56,228 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:56:56,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:56,229 INFO L82 PathProgramCache]: Analyzing trace with hash -259891877, now seen corresponding path program 1 times [2020-12-01 14:56:56,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:56,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757954572] [2020-12-01 14:56:56,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:56,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:56:56,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757954572] [2020-12-01 14:56:56,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643767407] [2020-12-01 14:56:56,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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 [2020-12-01 14:56:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:56,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 14:56:56,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:56:56,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:56:56,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-01 14:56:56,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-12-01 14:56:56,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041572310] [2020-12-01 14:56:56,743 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2020-12-01 14:56:56,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:56:56,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-01 14:56:56,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-01 14:56:56,807 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand 8 states. [2020-12-01 14:56:56,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:56:56,966 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2020-12-01 14:56:56,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-01 14:56:56,967 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2020-12-01 14:56:56,978 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-12-01 14:56:56,982 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 18 states and 21 transitions. [2020-12-01 14:56:56,982 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-12-01 14:56:56,983 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2020-12-01 14:56:56,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2020-12-01 14:56:56,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 14:56:56,983 INFO L692 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2020-12-01 14:56:56,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2020-12-01 14:56:56,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2020-12-01 14:56:56,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-12-01 14:56:56,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2020-12-01 14:56:56,989 INFO L715 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2020-12-01 14:56:56,989 INFO L595 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2020-12-01 14:56:56,989 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-12-01 14:56:56,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2020-12-01 14:56:56,991 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-12-01 14:56:56,991 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:56:56,992 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:56:56,993 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2020-12-01 14:56:56,993 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-12-01 14:56:56,993 INFO L794 eck$LassoCheckResult]: Stem: 276#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 275#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 269#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 270#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 273#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 277#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 278#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 279#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 280#L530-3 assume !(main_~i~1 < main_~array_size~0); 264#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 265#L515-3 [2020-12-01 14:56:56,993 INFO L796 eck$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 [2020-12-01 14:56:56,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:56,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1899756335, now seen corresponding path program 2 times [2020-12-01 14:56:56,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:56,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419350932] [2020-12-01 14:56:56,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:56:57,029 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:56:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:56:57,059 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:56:57,065 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:56:57,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:57,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 3 times [2020-12-01 14:56:57,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:57,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472926879] [2020-12-01 14:56:57,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:56:57,100 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:56:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:56:57,123 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:56:57,127 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:56:57,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:57,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1804388285, now seen corresponding path program 2 times [2020-12-01 14:56:57,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:57,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174570247] [2020-12-01 14:56:57,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:56:57,186 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:56:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:56:57,242 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:56:57,254 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:56:57,402 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2020-12-01 14:56:57,841 WARN L197 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 77 [2020-12-01 14:56:57,956 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 14:56:57,957 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 14:56:57,957 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 14:56:57,957 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 14:56:57,957 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 14:56:57,957 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:57,957 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 14:56:57,958 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 14:56:57,958 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration4_Lasso [2020-12-01 14:56:57,958 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 14:56:57,958 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 14:56:57,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:57,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:57,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:57,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:57,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:57,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:57,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:57,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:57,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:58,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:58,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:58,236 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-12-01 14:56:58,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:58,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:58,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:58,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:58,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:56:58,627 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2020-12-01 14:56:58,974 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 14:56:58,975 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:56:58,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:56:58,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:58,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:56:58,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:58,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:58,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:58,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:56:58,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:59,019 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:56:59,116 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 [2020-12-01 14:56:59,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:59,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:56:59,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:59,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:59,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:59,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:56:59,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:59,131 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:56:59,195 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 [2020-12-01 14:56:59,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:59,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:56:59,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:59,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:59,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:59,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:56:59,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:59,211 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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 [2020-12-01 14:56:59,260 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 [2020-12-01 14:56:59,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:59,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:56:59,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:59,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:59,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:59,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:56:59,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:56:59,265 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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 [2020-12-01 14:56:59,301 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 [2020-12-01 14:56:59,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:59,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:59,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:59,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:59,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:56:59,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:56:59,325 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:56:59,381 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 [2020-12-01 14:56:59,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:59,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:56:59,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:59,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:59,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:59,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:56:59,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:59,408 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:56:59,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:56:59,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:59,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:56:59,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:59,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:59,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:59,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:56:59,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:59,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:56:59,538 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 [2020-12-01 14:56:59,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:59,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:59,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:59,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:59,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:56:59,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:59,568 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:56:59,626 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 [2020-12-01 14:56:59,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:59,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:56:59,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:59,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:59,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:59,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:56:59,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:59,644 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:56:59,694 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 [2020-12-01 14:56:59,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:59,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:59,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:59,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:59,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:56:59,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:59,714 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:56:59,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:56:59,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:59,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:56:59,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:59,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:59,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:59,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:56:59,775 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 [2020-12-01 14:56:59,788 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:56:59,839 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 [2020-12-01 14:56:59,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:59,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:59,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:59,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:59,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:56:59,849 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 [2020-12-01 14:56:59,864 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:56:59,913 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 [2020-12-01 14:56:59,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:59,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:59,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:59,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:59,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:56:59,921 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 [2020-12-01 14:56:59,936 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:56:59,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:56:59,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:56:59,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:56:59,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:56:59,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:56:59,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:56:59,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:57:00,024 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 14:57:00,090 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2020-12-01 14:57:00,090 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_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:57:00,101 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 [2020-12-01 14:57:00,126 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-12-01 14:57:00,126 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 14:57:00,126 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 [] [2020-12-01 14:57:00,177 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2020-12-01 14:57:00,180 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-01 14:57:00,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:57:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:57:00,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 14:57:00,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:57:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:57:00,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 14:57:00,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:57:00,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:57:00,395 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 [2020-12-01 14:57:00,396 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 4 states. [2020-12-01 14:57:00,477 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. [2020-12-01 14:57:00,478 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 [2020-12-01 14:57:00,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-12-01 14:57:00,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2020-12-01 14:57:00,480 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 10 letters. Loop has 6 letters. [2020-12-01 14:57:00,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:57:00,481 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 6 letters. [2020-12-01 14:57:00,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:57:00,482 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 10 letters. Loop has 12 letters. [2020-12-01 14:57:00,483 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:57:00,483 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 31 transitions. [2020-12-01 14:57:00,487 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-12-01 14:57:00,489 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 23 states and 29 transitions. [2020-12-01 14:57:00,489 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2020-12-01 14:57:00,490 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2020-12-01 14:57:00,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 29 transitions. [2020-12-01 14:57:00,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 14:57:00,490 INFO L692 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2020-12-01 14:57:00,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 29 transitions. [2020-12-01 14:57:00,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2020-12-01 14:57:00,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-12-01 14:57:00,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2020-12-01 14:57:00,502 INFO L715 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2020-12-01 14:57:00,502 INFO L595 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2020-12-01 14:57:00,503 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-12-01 14:57:00,503 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2020-12-01 14:57:00,504 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-12-01 14:57:00,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:57:00,520 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:57:00,521 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:57:00,521 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-12-01 14:57:00,521 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 [2020-12-01 14:57:00,522 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 [2020-12-01 14:57:00,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:57:00,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 1 times [2020-12-01 14:57:00,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:57:00,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837952056] [2020-12-01 14:57:00,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:57:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:00,559 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:00,590 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:00,603 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:57:00,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:57:00,607 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 1 times [2020-12-01 14:57:00,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:57:00,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087369611] [2020-12-01 14:57:00,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:57:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:00,615 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:00,620 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:00,623 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:57:00,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:57:00,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1166584787, now seen corresponding path program 1 times [2020-12-01 14:57:00,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:57:00,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980698096] [2020-12-01 14:57:00,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:57:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:00,651 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:00,668 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:00,673 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:57:01,168 WARN L197 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 90 [2020-12-01 14:57:01,303 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-12-01 14:57:01,306 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 14:57:01,306 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 14:57:01,306 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 14:57:01,306 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 14:57:01,306 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 14:57:01,306 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:57:01,306 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 14:57:01,306 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 14:57:01,306 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration5_Lasso [2020-12-01 14:57:01,307 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 14:57:01,307 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 14:57:01,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:01,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:01,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:01,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:01,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:01,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:01,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:01,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:01,638 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-12-01 14:57:01,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:01,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:01,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:01,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:01,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:01,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:01,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:01,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:01,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:02,188 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 14:57:02,189 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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 [2020-12-01 14:57:02,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 14:57:02,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:57:02,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:57:02,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:57:02,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:57:02,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:57:02,211 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:57:02,220 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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 [2020-12-01 14:57:02,250 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 [2020-12-01 14:57:02,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:57:02,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:57:02,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:57:02,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:57:02,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:57:02,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:57:02,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:57:02,275 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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 [2020-12-01 14:57:02,308 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 [2020-12-01 14:57:02,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:57:02,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:57:02,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:57:02,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:57:02,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:57:02,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:57:02,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:57:02,331 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:57:02,363 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:57:02,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:57:02,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:57:02,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:57:02,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:57:02,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:57:02,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:57:02,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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 [2020-12-01 14:57:02,426 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 [2020-12-01 14:57:02,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:57:02,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:57:02,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:57:02,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:57:02,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:57:02,429 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:57:02,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:57:02,430 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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 [2020-12-01 14:57:02,460 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 [2020-12-01 14:57:02,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:57:02,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 14:57:02,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:57:02,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:57:02,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:57:02,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 14:57:02,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 14:57:02,464 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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 [2020-12-01 14:57:02,493 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 [2020-12-01 14:57:02,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:57:02,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:57:02,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:57:02,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:57:02,496 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:57:02,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:57:02,500 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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 [2020-12-01 14:57:02,532 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 [2020-12-01 14:57:02,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:57:02,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:57:02,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:57:02,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:57:02,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:57:02,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:57:02,551 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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 [2020-12-01 14:57:02,585 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 [2020-12-01 14:57:02,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:57:02,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:57:02,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:57:02,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:57:02,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:57:02,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:57:02,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:57:02,668 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:57:02,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 14:57:02,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 14:57:02,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 14:57:02,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 14:57:02,684 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 14:57:02,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 14:57:02,715 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 14:57:02,753 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-12-01 14:57:02,753 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_d0683495-500e-4802-a130-0b80590985fe/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) [2020-12-01 14:57:02,762 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 [2020-12-01 14:57:02,778 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-12-01 14:57:02,778 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 14:57:02,778 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~j~0) = 1*ULTIMATE.start_insertionSort_~j~0 Supporting invariants [] [2020-12-01 14:57:02,837 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2020-12-01 14:57:02,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:57:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:57:02,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 14:57:02,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:57:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:57:02,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 14:57:02,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:57:03,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:57:03,041 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 [2020-12-01 14:57:03,041 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9 Second operand 4 states. [2020-12-01 14:57:03,111 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. [2020-12-01 14:57:03,112 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 [2020-12-01 14:57:03,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-12-01 14:57:03,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2020-12-01 14:57:03,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 11 letters. Loop has 4 letters. [2020-12-01 14:57:03,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:57:03,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 15 letters. Loop has 4 letters. [2020-12-01 14:57:03,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:57:03,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 11 letters. Loop has 8 letters. [2020-12-01 14:57:03,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 14:57:03,120 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 68 transitions. [2020-12-01 14:57:03,126 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-12-01 14:57:03,132 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 36 states and 46 transitions. [2020-12-01 14:57:03,133 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2020-12-01 14:57:03,134 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-12-01 14:57:03,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 46 transitions. [2020-12-01 14:57:03,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 14:57:03,135 INFO L692 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2020-12-01 14:57:03,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 46 transitions. [2020-12-01 14:57:03,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 28. [2020-12-01 14:57:03,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-12-01 14:57:03,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2020-12-01 14:57:03,142 INFO L715 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2020-12-01 14:57:03,142 INFO L595 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2020-12-01 14:57:03,142 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-12-01 14:57:03,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2020-12-01 14:57:03,143 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-12-01 14:57:03,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:57:03,144 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:57:03,145 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:57:03,145 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-12-01 14:57:03,145 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 [2020-12-01 14:57:03,146 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 [2020-12-01 14:57:03,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:57:03,146 INFO L82 PathProgramCache]: Analyzing trace with hash 103309060, now seen corresponding path program 1 times [2020-12-01 14:57:03,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:57:03,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308776321] [2020-12-01 14:57:03,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:57:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:57:03,204 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 14:57:03,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308776321] [2020-12-01 14:57:03,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:57:03,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-01 14:57:03,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042941637] [2020-12-01 14:57:03,206 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-12-01 14:57:03,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:57:03,206 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 2 times [2020-12-01 14:57:03,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:57:03,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625556902] [2020-12-01 14:57:03,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:57:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:03,219 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:03,227 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:03,230 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:57:03,344 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-12-01 14:57:03,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:57:03,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 14:57:03,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:57:03,386 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. cyclomatic complexity: 12 Second operand 5 states. [2020-12-01 14:57:03,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:57:03,468 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2020-12-01 14:57:03,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 14:57:03,469 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2020-12-01 14:57:03,470 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-12-01 14:57:03,473 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 49 transitions. [2020-12-01 14:57:03,474 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2020-12-01 14:57:03,474 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-12-01 14:57:03,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2020-12-01 14:57:03,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 14:57:03,476 INFO L692 BuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2020-12-01 14:57:03,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2020-12-01 14:57:03,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 31. [2020-12-01 14:57:03,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-01 14:57:03,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2020-12-01 14:57:03,487 INFO L715 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2020-12-01 14:57:03,487 INFO L595 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2020-12-01 14:57:03,487 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-12-01 14:57:03,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 40 transitions. [2020-12-01 14:57:03,488 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-12-01 14:57:03,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:57:03,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:57:03,490 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:57:03,490 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-12-01 14:57:03,491 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 [2020-12-01 14:57:03,491 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 [2020-12-01 14:57:03,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:57:03,492 INFO L82 PathProgramCache]: Analyzing trace with hash 101462018, now seen corresponding path program 3 times [2020-12-01 14:57:03,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:57:03,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964659461] [2020-12-01 14:57:03,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:57:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:57:03,682 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:57:03,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964659461] [2020-12-01 14:57:03,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793633207] [2020-12-01 14:57:03,683 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d0683495-500e-4802-a130-0b80590985fe/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 [2020-12-01 14:57:03,761 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-12-01 14:57:03,761 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-01 14:57:03,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 14:57:03,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:57:03,944 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:57:03,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-01 14:57:03,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2020-12-01 14:57:03,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32550598] [2020-12-01 14:57:03,948 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-12-01 14:57:03,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:57:03,948 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 3 times [2020-12-01 14:57:03,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:57:03,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180541516] [2020-12-01 14:57:03,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:57:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:03,955 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:03,965 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:03,976 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:57:04,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:57:04,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-01 14:57:04,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-12-01 14:57:04,091 INFO L87 Difference]: Start difference. First operand 31 states and 40 transitions. cyclomatic complexity: 13 Second operand 14 states. [2020-12-01 14:57:04,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:57:04,306 INFO L93 Difference]: Finished difference Result 48 states and 61 transitions. [2020-12-01 14:57:04,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-01 14:57:04,306 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 61 transitions. [2020-12-01 14:57:04,307 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-12-01 14:57:04,308 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 34 states and 43 transitions. [2020-12-01 14:57:04,308 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2020-12-01 14:57:04,309 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-12-01 14:57:04,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 43 transitions. [2020-12-01 14:57:04,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 14:57:04,309 INFO L692 BuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2020-12-01 14:57:04,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 43 transitions. [2020-12-01 14:57:04,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2020-12-01 14:57:04,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-01 14:57:04,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2020-12-01 14:57:04,313 INFO L715 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2020-12-01 14:57:04,313 INFO L595 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2020-12-01 14:57:04,313 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-12-01 14:57:04,313 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 42 transitions. [2020-12-01 14:57:04,314 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-12-01 14:57:04,314 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 14:57:04,314 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 14:57:04,315 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:57:04,315 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-12-01 14:57:04,316 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 [2020-12-01 14:57:04,316 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 [2020-12-01 14:57:04,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:57:04,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1730024032, now seen corresponding path program 4 times [2020-12-01 14:57:04,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:57:04,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010604881] [2020-12-01 14:57:04,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:57:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:04,337 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:04,380 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:04,385 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:57:04,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:57:04,386 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 4 times [2020-12-01 14:57:04,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:57:04,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940142530] [2020-12-01 14:57:04,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:57:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:04,391 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:04,395 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:04,397 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:57:04,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:57:04,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1424072763, now seen corresponding path program 1 times [2020-12-01 14:57:04,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:57:04,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443203326] [2020-12-01 14:57:04,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:57:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:04,421 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 14:57:04,443 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 14:57:04,452 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 14:57:05,377 WARN L197 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 128 [2020-12-01 14:57:05,538 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-12-01 14:57:05,541 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 14:57:05,541 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 14:57:05,541 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 14:57:05,541 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 14:57:05,541 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 14:57:05,541 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 14:57:05,541 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 14:57:05,541 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 14:57:05,541 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration8_Lasso [2020-12-01 14:57:05,541 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 14:57:05,541 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 14:57:05,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:05,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:05,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:05,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:05,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:05,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:05,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 14:57:05,665 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$LassoCheckResult.(LassoCheck.java:865) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:461) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2020-12-01 14:57:05,672 INFO L168 Benchmark]: Toolchain (without parser) took 14439.32 ms. Allocated memory was 104.9 MB in the beginning and 209.7 MB in the end (delta: 104.9 MB). Free memory was 75.9 MB in the beginning and 166.5 MB in the end (delta: -90.6 MB). Peak memory consumption was 121.2 MB. Max. memory is 16.1 GB. [2020-12-01 14:57:05,672 INFO L168 Benchmark]: CDTParser took 1.27 ms. Allocated memory is still 104.9 MB. Free memory is still 63.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:57:05,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.53 ms. Allocated memory is still 104.9 MB. Free memory was 75.8 MB in the beginning and 68.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 14:57:05,673 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.28 ms. Allocated memory is still 104.9 MB. Free memory was 68.8 MB in the beginning and 67.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 14:57:05,674 INFO L168 Benchmark]: Boogie Preprocessor took 35.20 ms. Allocated memory is still 104.9 MB. Free memory was 67.0 MB in the beginning and 65.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:57:05,674 INFO L168 Benchmark]: RCFGBuilder took 486.72 ms. Allocated memory was 104.9 MB in the beginning and 144.7 MB in the end (delta: 39.8 MB). Free memory was 65.7 MB in the beginning and 120.3 MB in the end (delta: -54.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2020-12-01 14:57:05,675 INFO L168 Benchmark]: BuchiAutomizer took 13195.19 ms. Allocated memory was 144.7 MB in the beginning and 209.7 MB in the end (delta: 65.0 MB). Free memory was 120.1 MB in the beginning and 166.5 MB in the end (delta: -46.4 MB). Peak memory consumption was 125.1 MB. Max. memory is 16.1 GB. [2020-12-01 14:57:05,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27 ms. Allocated memory is still 104.9 MB. Free memory is still 63.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 647.53 ms. Allocated memory is still 104.9 MB. Free memory was 75.8 MB in the beginning and 68.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.28 ms. Allocated memory is still 104.9 MB. Free memory was 68.8 MB in the beginning and 67.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.20 ms. Allocated memory is still 104.9 MB. Free memory was 67.0 MB in the beginning and 65.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 486.72 ms. Allocated memory was 104.9 MB in the beginning and 144.7 MB in the end (delta: 39.8 MB). Free memory was 65.7 MB in the beginning and 120.3 MB in the end (delta: -54.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 13195.19 ms. Allocated memory was 144.7 MB in the beginning and 209.7 MB in the end (delta: 65.0 MB). Free memory was 120.1 MB in the beginning and 166.5 MB in the end (delta: -46.4 MB). Peak memory consumption was 125.1 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...