./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/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_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:29:10,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:29:10,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:29:10,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:29:10,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:29:10,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:29:10,623 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:29:10,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:29:10,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:29:10,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:29:10,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:29:10,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:29:10,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:29:10,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:29:10,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:29:10,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:29:10,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:29:10,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:29:10,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:29:10,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:29:10,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:29:10,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:29:10,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:29:10,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:29:10,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:29:10,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:29:10,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:29:10,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:29:10,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:29:10,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:29:10,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:29:10,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:29:10,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:29:10,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:29:10,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:29:10,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:29:10,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:29:10,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:29:10,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:29:10,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:29:10,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:29:10,704 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 23:29:10,744 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:29:10,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:29:10,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:29:10,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:29:10,747 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:29:10,747 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 23:29:10,748 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 23:29:10,748 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 23:29:10,748 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 23:29:10,748 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 23:29:10,749 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 23:29:10,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:29:10,750 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:29:10,750 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:29:10,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:29:10,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:29:10,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:29:10,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 23:29:10,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 23:29:10,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 23:29:10,752 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:29:10,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:29:10,752 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 23:29:10,752 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:29:10,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 23:29:10,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:29:10,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:29:10,753 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 23:29:10,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:29:10,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:29:10,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:29:10,756 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 23:29:10,757 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 23:29:10,757 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_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c42e17875debafbb946353bbf5dda6a0b0ba9b37 [2020-11-29 23:29:11,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:29:11,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:29:11,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:29:11,118 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:29:11,121 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:29:11,122 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2020-11-29 23:29:11,229 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/data/9e29e9cb8/0b4e867adcaf40eebeb9deb1990f07cb/FLAG34aa85f35 [2020-11-29 23:29:11,883 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:29:11,884 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2020-11-29 23:29:11,909 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/data/9e29e9cb8/0b4e867adcaf40eebeb9deb1990f07cb/FLAG34aa85f35 [2020-11-29 23:29:12,152 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/data/9e29e9cb8/0b4e867adcaf40eebeb9deb1990f07cb [2020-11-29 23:29:12,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:29:12,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:29:12,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:29:12,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:29:12,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:29:12,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:29:12" (1/1) ... [2020-11-29 23:29:12,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@125e2c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:12, skipping insertion in model container [2020-11-29 23:29:12,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:29:12" (1/1) ... [2020-11-29 23:29:12,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:29:12,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:29:12,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:29:12,578 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:29:12,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:29:12,696 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:29:12,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:12 WrapperNode [2020-11-29 23:29:12,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:29:12,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:29:12,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:29:12,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:29:12,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:12" (1/1) ... [2020-11-29 23:29:12,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:12" (1/1) ... [2020-11-29 23:29:12,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:29:12,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:29:12,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:29:12,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:29:12,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:12" (1/1) ... [2020-11-29 23:29:12,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:12" (1/1) ... [2020-11-29 23:29:12,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:12" (1/1) ... [2020-11-29 23:29:12,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:12" (1/1) ... [2020-11-29 23:29:12,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:12" (1/1) ... [2020-11-29 23:29:12,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:12" (1/1) ... [2020-11-29 23:29:12,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:12" (1/1) ... [2020-11-29 23:29:12,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:29:12,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:29:12,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:29:12,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:29:12,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:12,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 23:29:12,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 23:29:12,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:29:12,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 23:29:12,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:29:12,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:29:13,402 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:29:13,403 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 23:29:13,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:29:13 BoogieIcfgContainer [2020-11-29 23:29:13,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:29:13,406 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 23:29:13,406 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 23:29:13,410 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 23:29:13,411 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:29:13,411 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 11:29:12" (1/3) ... [2020-11-29 23:29:13,412 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74223b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 11:29:13, skipping insertion in model container [2020-11-29 23:29:13,413 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:29:13,413 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:12" (2/3) ... [2020-11-29 23:29:13,413 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74223b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 11:29:13, skipping insertion in model container [2020-11-29 23:29:13,413 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:29:13,414 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:29:13" (3/3) ... [2020-11-29 23:29:13,415 INFO L373 chiAutomizerObserver]: Analyzing ICFG insertionsort-alloca-1.i [2020-11-29 23:29:13,486 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 23:29:13,486 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 23:29:13,486 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 23:29:13,486 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:29:13,486 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:29:13,487 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 23:29:13,487 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:29:13,487 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 23:29:13,502 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2020-11-29 23:29:13,525 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2020-11-29 23:29:13,526 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:29:13,526 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:29:13,538 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-29 23:29:13,538 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 23:29:13,538 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 23:29:13,538 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2020-11-29 23:29:13,541 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2020-11-29 23:29:13,541 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:29:13,542 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:29:13,542 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-29 23:29:13,542 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 23:29:13,550 INFO L794 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 14#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 6#L525true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 9#L525-2true call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 20#L530-3true [2020-11-29 23:29:13,550 INFO L796 eck$LassoCheckResult]: Loop: 20#L530-3true assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 17#L530-2true main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 20#L530-3true [2020-11-29 23:29:13,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:13,557 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2020-11-29 23:29:13,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:29:13,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793520136] [2020-11-29 23:29:13,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:29:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:13,681 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:13,706 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:13,729 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:29:13,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:13,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2020-11-29 23:29:13,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:29:13,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505088311] [2020-11-29 23:29:13,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:29:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:13,763 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:13,770 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:13,773 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:29:13,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:13,789 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2020-11-29 23:29:13,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:29:13,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631859498] [2020-11-29 23:29:13,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:29:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:13,811 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:13,827 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:13,832 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:29:14,151 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-11-29 23:29:14,281 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-11-29 23:29:14,312 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 23:29:14,312 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 23:29:14,313 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 23:29:14,313 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 23:29:14,313 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 23:29:14,313 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:14,313 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 23:29:14,313 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 23:29:14,314 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration1_Lasso [2020-11-29 23:29:14,314 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 23:29:14,314 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 23:29:14,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:14,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:14,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:14,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:14,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:14,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:14,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:14,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:14,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:14,615 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-11-29 23:29:15,077 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-11-29 23:29:15,085 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 23:29:15,090 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 23:29:15,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:15,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:15,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:29:15,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:15,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:15,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:15,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:29:15,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:15,114 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:15,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:15,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:15,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:29:15,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:15,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:15,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:15,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:29:15,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:29:15,167 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/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) [2020-11-29 23:29:15,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:15,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:15,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:15,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:15,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:15,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:29:15,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:29:15,207 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/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) [2020-11-29 23:29:15,260 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 [2020-11-29 23:29:15,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:15,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:15,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:15,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:15,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:29:15,277 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 [2020-11-29 23:29:15,282 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/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 [2020-11-29 23:29:15,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:15,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:15,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:29:15,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:15,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:15,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:15,334 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:29:15,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:29:15,336 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:15,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:15,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:15,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:15,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:15,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:15,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:29:15,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:29:15,383 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:15,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:15,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:15,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:15,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:15,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:15,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:29:15,424 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:29:15,437 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:15,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:15,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:15,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:15,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:15,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:15,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:29:15,478 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:29:15,489 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/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) [2020-11-29 23:29:15,516 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:15,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:15,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:29:15,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:15,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:15,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:15,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:29:15,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:29:15,520 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:15,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:15,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:15,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:15,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:15,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:15,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:29:15,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:29:15,559 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:15,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:15,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:15,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:15,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:15,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:15,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:29:15,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:29:15,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/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 [2020-11-29 23:29:15,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:15,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:15,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:15,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:15,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:15,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:29:15,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:29:15,650 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/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) [2020-11-29 23:29:15,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:15,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:15,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:29:15,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:15,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:15,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:15,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:29:15,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:15,709 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:15,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:15,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:15,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:15,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:15,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:15,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:29:15,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:29:15,776 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 23:29:15,978 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-11-29 23:29:15,978 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_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/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 [2020-11-29 23:29:16,006 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-29 23:29:16,011 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-29 23:29:16,011 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 23:29:16,012 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] [2020-11-29 23:29:16,059 INFO L297 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2020-11-29 23:29:16,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 23:29:16,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:29:16,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 23:29:16,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:29:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:29:16,141 WARN L261 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 23:29:16,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:29:16,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:29:16,179 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-29 23:29:16,181 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 3 states. [2020-11-29 23:29:16,299 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states.. Second operand 3 states. Result 41 states and 59 transitions. Complement of second has 8 states. [2020-11-29 23:29:16,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-29 23:29:16,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 23:29:16,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2020-11-29 23:29:16,303 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 4 letters. Loop has 2 letters. [2020-11-29 23:29:16,304 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:29:16,304 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 6 letters. Loop has 2 letters. [2020-11-29 23:29:16,304 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:29:16,304 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 4 letters. Loop has 4 letters. [2020-11-29 23:29:16,305 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:29:16,305 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 59 transitions. [2020-11-29 23:29:16,310 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-11-29 23:29:16,316 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 15 states and 20 transitions. [2020-11-29 23:29:16,317 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2020-11-29 23:29:16,317 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2020-11-29 23:29:16,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2020-11-29 23:29:16,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 23:29:16,318 INFO L691 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2020-11-29 23:29:16,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2020-11-29 23:29:16,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-11-29 23:29:16,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-29 23:29:16,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2020-11-29 23:29:16,339 INFO L714 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2020-11-29 23:29:16,339 INFO L594 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2020-11-29 23:29:16,339 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 23:29:16,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2020-11-29 23:29:16,346 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-11-29 23:29:16,347 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:29:16,347 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:29:16,347 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 23:29:16,347 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-29 23:29:16,348 INFO L794 eck$LassoCheckResult]: Stem: 138#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 137#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 131#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 132#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 135#L530-3 assume !(main_~i~1 < main_~array_size~0); 126#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 127#L515-3 [2020-11-29 23:29:16,349 INFO L796 eck$LassoCheckResult]: Loop: 127#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 133#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 136#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 128#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~short6;havoc insertionSort_#t~mem5; 129#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 134#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 127#L515-3 [2020-11-29 23:29:16,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:16,349 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2020-11-29 23:29:16,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:29:16,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942708298] [2020-11-29 23:29:16,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:29:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:29:16,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:29:16,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942708298] [2020-11-29 23:29:16,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:29:16,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 23:29:16,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385783325] [2020-11-29 23:29:16,444 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 23:29:16,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:16,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 1 times [2020-11-29 23:29:16,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:29:16,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328399199] [2020-11-29 23:29:16,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:29:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:16,479 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:16,491 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:16,494 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:29:16,689 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2020-11-29 23:29:16,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:29:16,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:29:16,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:29:16,734 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand 4 states. [2020-11-29 23:29:16,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:29:16,766 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2020-11-29 23:29:16,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 23:29:16,768 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2020-11-29 23:29:16,769 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-11-29 23:29:16,769 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 20 transitions. [2020-11-29 23:29:16,769 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-11-29 23:29:16,770 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2020-11-29 23:29:16,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2020-11-29 23:29:16,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 23:29:16,770 INFO L691 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2020-11-29 23:29:16,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2020-11-29 23:29:16,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2020-11-29 23:29:16,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-29 23:29:16,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2020-11-29 23:29:16,772 INFO L714 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2020-11-29 23:29:16,772 INFO L594 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2020-11-29 23:29:16,772 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-29 23:29:16,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2020-11-29 23:29:16,773 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-11-29 23:29:16,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:29:16,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:29:16,773 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:29:16,773 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-29 23:29:16,774 INFO L794 eck$LassoCheckResult]: Stem: 176#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 175#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 169#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 170#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 173#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 177#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 178#L530-3 assume !(main_~i~1 < main_~array_size~0); 164#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 165#L515-3 [2020-11-29 23:29:16,774 INFO L796 eck$LassoCheckResult]: Loop: 165#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 171#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 174#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 166#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~short6;havoc insertionSort_#t~mem5; 167#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 172#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 165#L515-3 [2020-11-29 23:29:16,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:16,774 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2020-11-29 23:29:16,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:29:16,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552962582] [2020-11-29 23:29:16,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:29:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:16,797 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:16,814 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:16,819 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:29:16,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:16,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 2 times [2020-11-29 23:29:16,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:29:16,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098775707] [2020-11-29 23:29:16,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:29:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:16,838 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:16,863 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:16,866 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:29:16,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:16,870 INFO L82 PathProgramCache]: Analyzing trace with hash -259891877, now seen corresponding path program 1 times [2020-11-29 23:29:16,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:29:16,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471794480] [2020-11-29 23:29:16,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:29:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:29:16,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:29:16,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471794480] [2020-11-29 23:29:16,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990361101] [2020-11-29 23:29:16,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:29:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:29:17,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 23:29:17,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:29:17,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:29:17,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 23:29:17,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-11-29 23:29:17,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804782592] [2020-11-29 23:29:17,234 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2020-11-29 23:29:17,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:29:17,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 23:29:17,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-29 23:29:17,268 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand 8 states. [2020-11-29 23:29:17,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:29:17,371 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2020-11-29 23:29:17,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 23:29:17,372 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2020-11-29 23:29:17,373 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-11-29 23:29:17,374 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 18 states and 21 transitions. [2020-11-29 23:29:17,374 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-11-29 23:29:17,374 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2020-11-29 23:29:17,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2020-11-29 23:29:17,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 23:29:17,374 INFO L691 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2020-11-29 23:29:17,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2020-11-29 23:29:17,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2020-11-29 23:29:17,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-11-29 23:29:17,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2020-11-29 23:29:17,376 INFO L714 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2020-11-29 23:29:17,376 INFO L594 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2020-11-29 23:29:17,377 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-29 23:29:17,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2020-11-29 23:29:17,377 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-11-29 23:29:17,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:29:17,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:29:17,378 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2020-11-29 23:29:17,378 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-29 23:29:17,378 INFO L794 eck$LassoCheckResult]: Stem: 276#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 275#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 269#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 270#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 273#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 277#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 278#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 279#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 280#L530-3 assume !(main_~i~1 < main_~array_size~0); 264#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 265#L515-3 [2020-11-29 23:29:17,378 INFO L796 eck$LassoCheckResult]: Loop: 265#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 271#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 274#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 266#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~short6;havoc insertionSort_#t~mem5; 267#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 272#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 265#L515-3 [2020-11-29 23:29:17,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:17,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1899756335, now seen corresponding path program 2 times [2020-11-29 23:29:17,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:29:17,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051994777] [2020-11-29 23:29:17,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:29:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:17,402 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:17,411 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:17,415 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:29:17,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:17,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 3 times [2020-11-29 23:29:17,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:29:17,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96519059] [2020-11-29 23:29:17,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:29:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:17,426 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:17,433 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:17,435 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:29:17,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:17,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1804388285, now seen corresponding path program 2 times [2020-11-29 23:29:17,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:29:17,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019748813] [2020-11-29 23:29:17,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:29:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:17,477 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:17,509 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:17,521 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:29:17,653 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 48 [2020-11-29 23:29:17,973 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 77 [2020-11-29 23:29:18,057 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 23:29:18,058 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 23:29:18,058 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 23:29:18,058 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 23:29:18,058 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 23:29:18,058 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:18,058 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 23:29:18,058 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 23:29:18,058 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration4_Lasso [2020-11-29 23:29:18,058 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 23:29:18,058 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 23:29:18,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:18,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:18,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:18,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:18,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:18,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:18,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:18,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:18,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:18,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:18,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:18,260 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-11-29 23:29:18,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:18,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:18,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:18,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:18,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:18,570 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2020-11-29 23:29:18,829 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 23:29:18,829 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:18,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:18,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:18,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:29:18,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:18,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:18,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:18,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:29:18,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:29:18,839 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:18,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:18,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:18,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:29:18,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:18,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:18,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:18,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:29:18,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:29:18,877 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:18,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:18,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:18,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:29:18,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:18,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:18,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:18,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:29:18,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:29:18,919 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:18,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:18,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:18,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:29:18,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:18,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:18,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:18,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:29:18,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:29:18,962 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/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) [2020-11-29 23:29:19,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:19,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:19,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:19,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:19,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:19,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:29:19,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:19,032 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/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) [2020-11-29 23:29:19,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:19,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:19,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:29:19,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:19,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:19,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:19,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:29:19,073 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 [2020-11-29 23:29:19,075 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:19,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:19,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:19,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:29:19,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:19,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:19,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:19,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:29:19,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:29:19,112 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/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) [2020-11-29 23:29:19,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:19,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:19,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:19,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:19,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:19,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:29:19,149 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 [2020-11-29 23:29:19,153 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/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) [2020-11-29 23:29:19,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:19,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:19,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:29:19,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:19,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:19,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:19,192 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:29:19,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:29:19,194 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/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) [2020-11-29 23:29:19,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:19,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:19,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:19,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:19,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:19,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:29:19,234 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 [2020-11-29 23:29:19,238 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 23:29:19,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:19,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:19,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:29:19,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:19,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:19,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:19,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:29:19,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:19,280 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 23:29:19,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:19,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:19,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:19,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:19,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:19,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:29:19,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:19,329 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 23:29:19,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:19,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:19,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:19,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:19,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:19,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:29:19,370 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:29:19,372 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/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 [2020-11-29 23:29:19,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:19,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:19,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:19,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:19,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:19,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:29:19,408 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:29:19,431 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 23:29:19,484 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2020-11-29 23:29:19,484 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_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 23:29:19,487 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:19,491 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 23:29:19,491 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 23:29:19,491 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~a.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_2, ULTIMATE.start_insertionSort_~i~0) = -1*ULTIMATE.start_insertionSort_~a.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9.base)_2 - 4*ULTIMATE.start_insertionSort_~i~0 Supporting invariants [] [2020-11-29 23:29:19,530 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2020-11-29 23:29:19,533 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 23:29:19,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:29:19,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-29 23:29:19,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:29:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:29:19,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 23:29:19,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:29:19,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:29:19,638 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-11-29 23:29:19,638 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 4 states. [2020-11-29 23:29:19,692 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 25 states and 31 transitions. Complement of second has 5 states. [2020-11-29 23:29:19,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-29 23:29:19,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-29 23:29:19,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2020-11-29 23:29:19,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 10 letters. Loop has 6 letters. [2020-11-29 23:29:19,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:29:19,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 6 letters. [2020-11-29 23:29:19,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:29:19,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 10 letters. Loop has 12 letters. [2020-11-29 23:29:19,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:29:19,694 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 31 transitions. [2020-11-29 23:29:19,696 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-29 23:29:19,696 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 23 states and 29 transitions. [2020-11-29 23:29:19,696 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2020-11-29 23:29:19,696 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2020-11-29 23:29:19,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 29 transitions. [2020-11-29 23:29:19,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 23:29:19,697 INFO L691 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2020-11-29 23:29:19,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 29 transitions. [2020-11-29 23:29:19,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2020-11-29 23:29:19,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-11-29 23:29:19,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2020-11-29 23:29:19,699 INFO L714 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2020-11-29 23:29:19,699 INFO L594 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2020-11-29 23:29:19,699 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-29 23:29:19,699 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2020-11-29 23:29:19,700 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-29 23:29:19,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:29:19,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:29:19,701 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:29:19,701 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-29 23:29:19,701 INFO L794 eck$LassoCheckResult]: Stem: 415#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 414#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 405#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 406#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 411#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 416#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 417#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 418#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 419#L530-3 assume !(main_~i~1 < main_~array_size~0); 398#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 399#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 407#L518-6 [2020-11-29 23:29:19,701 INFO L796 eck$LassoCheckResult]: Loop: 407#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 412#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 400#L518-3 assume !!insertionSort_#t~short6;havoc insertionSort_#t~short6;havoc insertionSort_#t~mem5;call insertionSort_#t~mem7 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);call write~int(insertionSort_#t~mem7, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4);havoc insertionSort_#t~mem7; 401#L518-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 407#L518-6 [2020-11-29 23:29:19,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:19,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 1 times [2020-11-29 23:29:19,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:29:19,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506538548] [2020-11-29 23:29:19,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:29:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:19,713 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:19,723 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:19,726 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:29:19,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:19,727 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 1 times [2020-11-29 23:29:19,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:29:19,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857046537] [2020-11-29 23:29:19,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:29:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:19,744 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:19,754 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:19,755 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:29:19,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:19,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1166584787, now seen corresponding path program 1 times [2020-11-29 23:29:19,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:29:19,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562756766] [2020-11-29 23:29:19,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:29:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:19,776 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:19,810 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:19,818 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:29:20,264 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 90 [2020-11-29 23:29:20,382 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 23:29:20,382 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 23:29:20,382 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 23:29:20,382 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 23:29:20,382 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 23:29:20,382 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:20,382 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 23:29:20,382 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 23:29:20,382 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration5_Lasso [2020-11-29 23:29:20,383 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 23:29:20,383 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 23:29:20,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:20,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:20,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:20,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:20,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:20,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:20,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:20,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:20,565 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-11-29 23:29:20,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:20,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:20,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:20,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:20,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:20,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:20,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:20,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:20,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:21,036 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 23:29:21,036 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:21,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:21,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:21,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:21,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:21,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:21,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:29:21,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:29:21,053 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:21,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:21,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:21,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:29:21,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:21,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:21,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:21,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:29:21,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:29:21,078 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/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) [2020-11-29 23:29:21,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:21,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:21,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:29:21,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:21,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:21,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:21,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:29:21,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:29:21,106 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:21,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:21,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:21,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:21,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:21,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:21,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:29:21,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:29:21,132 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:21,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:21,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:21,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:29:21,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:21,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:21,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:21,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:29:21,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:29:21,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:21,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:21,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:21,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 23:29:21,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:21,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:21,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:21,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 23:29:21,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 23:29:21,187 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:21,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:21,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:21,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:21,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:21,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:21,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:29:21,212 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:29:21,214 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:21,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:21,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:21,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:21,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:21,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:21,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:29:21,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:29:21,246 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:21,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:21,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:21,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:21,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:21,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:21,279 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:29:21,279 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:29:21,290 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:21,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 23:29:21,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 23:29:21,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 23:29:21,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 23:29:21,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 23:29:21,322 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 23:29:21,322 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 23:29:21,350 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 23:29:21,384 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2020-11-29 23:29:21,384 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_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 23:29:21,390 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:21,392 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 23:29:21,393 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 23:29:21,393 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~j~0) = 1*ULTIMATE.start_insertionSort_~j~0 Supporting invariants [] [2020-11-29 23:29:21,431 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2020-11-29 23:29:21,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:29:21,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:29:21,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:29:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:29:21,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 23:29:21,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:29:21,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:29:21,530 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-11-29 23:29:21,530 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9 Second operand 4 states. [2020-11-29 23:29:21,575 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9. Second operand 4 states. Result 53 states and 68 transitions. Complement of second has 9 states. [2020-11-29 23:29:21,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-29 23:29:21,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-29 23:29:21,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2020-11-29 23:29:21,577 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 11 letters. Loop has 4 letters. [2020-11-29 23:29:21,577 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:29:21,577 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 15 letters. Loop has 4 letters. [2020-11-29 23:29:21,577 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:29:21,577 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 11 letters. Loop has 8 letters. [2020-11-29 23:29:21,578 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 23:29:21,578 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 68 transitions. [2020-11-29 23:29:21,580 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-29 23:29:21,582 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 36 states and 46 transitions. [2020-11-29 23:29:21,582 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2020-11-29 23:29:21,582 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-11-29 23:29:21,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 46 transitions. [2020-11-29 23:29:21,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 23:29:21,583 INFO L691 BuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2020-11-29 23:29:21,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 46 transitions. [2020-11-29 23:29:21,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 28. [2020-11-29 23:29:21,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-11-29 23:29:21,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2020-11-29 23:29:21,586 INFO L714 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2020-11-29 23:29:21,586 INFO L594 BuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2020-11-29 23:29:21,586 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-11-29 23:29:21,587 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2020-11-29 23:29:21,587 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-29 23:29:21,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:29:21,588 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:29:21,588 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:29:21,588 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-29 23:29:21,589 INFO L794 eck$LassoCheckResult]: Stem: 580#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 579#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 568#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 569#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 575#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 581#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 582#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 584#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 585#L530-3 assume !(main_~i~1 < main_~array_size~0); 562#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 563#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 572#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 583#L518-1 assume !insertionSort_#t~short6; 566#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~short6;havoc insertionSort_#t~mem5; 567#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 573#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 574#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 570#L518-6 [2020-11-29 23:29:21,589 INFO L796 eck$LassoCheckResult]: Loop: 570#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 577#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 564#L518-3 assume !!insertionSort_#t~short6;havoc insertionSort_#t~short6;havoc insertionSort_#t~mem5;call insertionSort_#t~mem7 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);call write~int(insertionSort_#t~mem7, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4);havoc insertionSort_#t~mem7; 565#L518-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 570#L518-6 [2020-11-29 23:29:21,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:21,590 INFO L82 PathProgramCache]: Analyzing trace with hash 103309060, now seen corresponding path program 1 times [2020-11-29 23:29:21,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:29:21,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899148928] [2020-11-29 23:29:21,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:29:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:29:21,619 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 23:29:21,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899148928] [2020-11-29 23:29:21,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:29:21,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 23:29:21,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221240582] [2020-11-29 23:29:21,620 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 23:29:21,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:21,621 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 2 times [2020-11-29 23:29:21,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:29:21,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195460645] [2020-11-29 23:29:21,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:29:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:21,626 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:21,629 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:21,630 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:29:21,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:29:21,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 23:29:21,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:29:21,738 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. cyclomatic complexity: 12 Second operand 5 states. [2020-11-29 23:29:21,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:29:21,785 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2020-11-29 23:29:21,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 23:29:21,786 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2020-11-29 23:29:21,786 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-29 23:29:21,787 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 49 transitions. [2020-11-29 23:29:21,787 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2020-11-29 23:29:21,787 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-11-29 23:29:21,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2020-11-29 23:29:21,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 23:29:21,788 INFO L691 BuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2020-11-29 23:29:21,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2020-11-29 23:29:21,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 31. [2020-11-29 23:29:21,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-29 23:29:21,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2020-11-29 23:29:21,791 INFO L714 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2020-11-29 23:29:21,791 INFO L594 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2020-11-29 23:29:21,791 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-11-29 23:29:21,792 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 40 transitions. [2020-11-29 23:29:21,792 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-29 23:29:21,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:29:21,792 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:29:21,793 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:29:21,793 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-29 23:29:21,793 INFO L794 eck$LassoCheckResult]: Stem: 661#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 660#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 647#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 648#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 654#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 662#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 663#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 664#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 665#L530-3 assume !(main_~i~1 < main_~array_size~0); 641#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 642#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 655#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 658#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 645#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~short6;havoc insertionSort_#t~mem5; 646#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 649#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 650#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 651#L518-6 [2020-11-29 23:29:21,794 INFO L796 eck$LassoCheckResult]: Loop: 651#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 657#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 643#L518-3 assume !!insertionSort_#t~short6;havoc insertionSort_#t~short6;havoc insertionSort_#t~mem5;call insertionSort_#t~mem7 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);call write~int(insertionSort_#t~mem7, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4);havoc insertionSort_#t~mem7; 644#L518-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 651#L518-6 [2020-11-29 23:29:21,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:21,794 INFO L82 PathProgramCache]: Analyzing trace with hash 101462018, now seen corresponding path program 3 times [2020-11-29 23:29:21,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:29:21,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321048778] [2020-11-29 23:29:21,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:29:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:29:21,903 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:29:21,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321048778] [2020-11-29 23:29:21,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623040869] [2020-11-29 23:29:21,903 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20ff43c5-79b2-4f52-8be0-2fa1c25e7b4a/bin/uautomizer/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:29:21,955 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-11-29 23:29:21,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 23:29:21,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-29 23:29:21,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:29:22,080 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:29:22,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 23:29:22,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2020-11-29 23:29:22,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311057450] [2020-11-29 23:29:22,081 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 23:29:22,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:22,081 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 3 times [2020-11-29 23:29:22,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:29:22,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548708798] [2020-11-29 23:29:22,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:29:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:22,086 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:22,089 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:22,099 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:29:22,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:29:22,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-29 23:29:22,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-11-29 23:29:22,190 INFO L87 Difference]: Start difference. First operand 31 states and 40 transitions. cyclomatic complexity: 13 Second operand 14 states. [2020-11-29 23:29:22,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:29:22,412 INFO L93 Difference]: Finished difference Result 48 states and 61 transitions. [2020-11-29 23:29:22,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 23:29:22,413 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 61 transitions. [2020-11-29 23:29:22,414 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-29 23:29:22,415 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 34 states and 43 transitions. [2020-11-29 23:29:22,415 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2020-11-29 23:29:22,415 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-11-29 23:29:22,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 43 transitions. [2020-11-29 23:29:22,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-29 23:29:22,415 INFO L691 BuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2020-11-29 23:29:22,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 43 transitions. [2020-11-29 23:29:22,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2020-11-29 23:29:22,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-29 23:29:22,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2020-11-29 23:29:22,418 INFO L714 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2020-11-29 23:29:22,418 INFO L594 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2020-11-29 23:29:22,418 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-11-29 23:29:22,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 42 transitions. [2020-11-29 23:29:22,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-29 23:29:22,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:29:22,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:29:22,420 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:29:22,420 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-29 23:29:22,420 INFO L794 eck$LassoCheckResult]: Stem: 810#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 809#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet11, main_#t~post10, main_~i~1, main_~array_size~0, main_~a~0.base, main_~a~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 797#L525 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 798#L525-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~a~0.base, main_~a~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;main_~i~1 := 0; 804#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 815#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 823#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 811#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 812#L530-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet11, main_~a~0.base, main_~a~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet11; 816#L530-2 main_#t~post10 := main_~i~1;main_~i~1 := 1 + main_#t~post10;havoc main_#t~post10; 817#L530-3 assume !(main_~i~1 < main_~array_size~0); 791#L530-4 insertionSort_#in~a.base, insertionSort_#in~a.offset, insertionSort_#in~array_size := main_~a~0.base, main_~a~0.offset, main_~array_size~0;havoc insertionSort_#t~mem3, insertionSort_#t~mem7, insertionSort_#t~post4, insertionSort_#t~mem5, insertionSort_#t~short6, insertionSort_#t~pre2, insertionSort_~a.base, insertionSort_~a.offset, insertionSort_~array_size, insertionSort_~i~0, insertionSort_~j~0, insertionSort_~index~0;insertionSort_~a.base, insertionSort_~a.offset := insertionSort_#in~a.base, insertionSort_#in~a.offset;insertionSort_~array_size := insertionSort_#in~array_size;havoc insertionSort_~i~0;havoc insertionSort_~j~0;havoc insertionSort_~index~0;insertionSort_~i~0 := 1; 792#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 807#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 813#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 814#L518-3 assume !insertionSort_#t~short6;havoc insertionSort_#t~short6;havoc insertionSort_#t~mem5; 808#L518-7 call write~int(insertionSort_~index~0, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4); 802#L515-2 insertionSort_#t~pre2 := 1 + insertionSort_~i~0;insertionSort_~i~0 := 1 + insertionSort_~i~0;havoc insertionSort_#t~pre2; 803#L515-3 assume !!(insertionSort_~i~0 < insertionSort_~array_size);call insertionSort_#t~mem3 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~i~0, 4);insertionSort_~index~0 := insertionSort_#t~mem3;havoc insertionSort_#t~mem3;insertionSort_~j~0 := insertionSort_~i~0; 799#L518-6 [2020-11-29 23:29:22,420 INFO L796 eck$LassoCheckResult]: Loop: 799#L518-6 insertionSort_#t~short6 := insertionSort_~j~0 > 0; 805#L518-1 assume insertionSort_#t~short6;call insertionSort_#t~mem5 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);insertionSort_#t~short6 := insertionSort_#t~mem5 > insertionSort_~index~0; 793#L518-3 assume !!insertionSort_#t~short6;havoc insertionSort_#t~short6;havoc insertionSort_#t~mem5;call insertionSort_#t~mem7 := read~int(insertionSort_~a.base, insertionSort_~a.offset + 4 * (insertionSort_~j~0 - 1), 4);call write~int(insertionSort_#t~mem7, insertionSort_~a.base, insertionSort_~a.offset + 4 * insertionSort_~j~0, 4);havoc insertionSort_#t~mem7; 794#L518-5 insertionSort_#t~post4 := insertionSort_~j~0;insertionSort_~j~0 := insertionSort_#t~post4 - 1;havoc insertionSort_#t~post4; 799#L518-6 [2020-11-29 23:29:22,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:22,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1730024032, now seen corresponding path program 4 times [2020-11-29 23:29:22,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:29:22,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577375824] [2020-11-29 23:29:22,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:29:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:22,449 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:22,483 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:22,490 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:29:22,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:22,493 INFO L82 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 4 times [2020-11-29 23:29:22,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:29:22,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96306316] [2020-11-29 23:29:22,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:29:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:22,499 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:22,503 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:22,505 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:29:22,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:22,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1424072763, now seen corresponding path program 1 times [2020-11-29 23:29:22,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:29:22,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108952620] [2020-11-29 23:29:22,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:29:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:22,541 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:29:22,564 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:29:22,573 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:29:23,373 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 128 [2020-11-29 23:29:23,507 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 23:29:23,507 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 23:29:23,507 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 23:29:23,507 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 23:29:23,507 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 23:29:23,507 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 23:29:23,507 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 23:29:23,508 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 23:29:23,508 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration8_Lasso [2020-11-29 23:29:23,508 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 23:29:23,508 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 23:29:23,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:23,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:23,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:23,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:23,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:23,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:23,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 23:29:23,633 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: MapEliminator tries to combine Int and (Array Int Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceSelectStoreTerm(MapEliminator.java:592) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceStoreTerms(MapEliminator.java:542) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:330) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:109) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:278) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:612) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.access$16(LassoCheck.java:539) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:957) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:865) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:461) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:382) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-29 23:29:23,635 INFO L168 Benchmark]: Toolchain (without parser) took 11476.93 ms. Allocated memory was 119.5 MB in the beginning and 180.4 MB in the end (delta: 60.8 MB). Free memory was 83.6 MB in the beginning and 103.2 MB in the end (delta: -19.6 MB). Peak memory consumption was 93.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:29:23,636 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 75.5 MB. Free memory was 35.0 MB in the beginning and 34.9 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:29:23,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 534.88 ms. Allocated memory is still 119.5 MB. Free memory was 83.4 MB in the beginning and 83.3 MB in the end (delta: 97.8 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:29:23,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.96 ms. Allocated memory is still 119.5 MB. Free memory was 83.3 MB in the beginning and 81.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:29:23,637 INFO L168 Benchmark]: Boogie Preprocessor took 44.10 ms. Allocated memory is still 119.5 MB. Free memory was 81.1 MB in the beginning and 79.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:29:23,637 INFO L168 Benchmark]: RCFGBuilder took 603.67 ms. Allocated memory is still 119.5 MB. Free memory was 79.7 MB in the beginning and 64.4 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:29:23,638 INFO L168 Benchmark]: BuchiAutomizer took 10228.41 ms. Allocated memory was 119.5 MB in the beginning and 180.4 MB in the end (delta: 60.8 MB). Free memory was 64.4 MB in the beginning and 103.2 MB in the end (delta: -38.8 MB). Peak memory consumption was 76.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:29:23,640 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 75.5 MB. Free memory was 35.0 MB in the beginning and 34.9 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 534.88 ms. Allocated memory is still 119.5 MB. Free memory was 83.4 MB in the beginning and 83.3 MB in the end (delta: 97.8 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.96 ms. Allocated memory is still 119.5 MB. Free memory was 83.3 MB in the beginning and 81.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.10 ms. Allocated memory is still 119.5 MB. Free memory was 81.1 MB in the beginning and 79.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 603.67 ms. Allocated memory is still 119.5 MB. Free memory was 79.7 MB in the beginning and 64.4 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 10228.41 ms. Allocated memory was 119.5 MB in the beginning and 180.4 MB in the end (delta: 60.8 MB). Free memory was 64.4 MB in the beginning and 103.2 MB in the end (delta: -38.8 MB). Peak memory consumption was 76.7 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...