./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/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 64bit --witnessprinter.graph.data.programhash 9b56ae1f9bab9d3b2bc1bd2f033ce64d7d92cfe1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:10:59,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:10:59,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:10:59,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:10:59,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:10:59,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:10:59,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:10:59,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:10:59,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:10:59,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:10:59,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:10:59,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:10:59,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:10:59,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:10:59,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:10:59,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:10:59,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:10:59,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:10:59,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:10:59,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:10:59,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:10:59,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:10:59,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:10:59,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:10:59,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:10:59,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:10:59,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:10:59,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:10:59,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:10:59,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:10:59,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:10:59,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:10:59,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:10:59,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:10:59,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:10:59,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:10:59,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:10:59,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:10:59,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:10:59,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:10:59,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:10:59,622 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 03:10:59,672 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:10:59,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:10:59,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:10:59,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:10:59,675 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:10:59,675 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:10:59,676 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:10:59,676 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:10:59,676 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:10:59,676 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:10:59,678 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:10:59,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:10:59,678 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:10:59,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:10:59,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:10:59,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:10:59,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:10:59,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:10:59,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:10:59,680 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:10:59,680 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:10:59,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:10:59,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:10:59,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:10:59,681 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:10:59,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:10:59,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:10:59,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:10:59,682 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:10:59,685 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:10:59,685 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_083b940c-ff0c-4ea9-b4f9-417d72dbe747/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b56ae1f9bab9d3b2bc1bd2f033ce64d7d92cfe1 [2020-11-28 03:10:59,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:10:59,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:10:59,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:10:59,999 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:11:00,000 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:11:00,001 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.i [2020-11-28 03:11:00,124 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/data/1d6aefdf3/0761575a63e04c81b5fc58d9e1aaf9dd/FLAG622f6cd55 [2020-11-28 03:11:00,735 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:11:00,736 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/sv-benchmarks/c/termination-memory-alloca/Avery-2006FLOPS-Tabel1_true-alloca.i [2020-11-28 03:11:00,756 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/data/1d6aefdf3/0761575a63e04c81b5fc58d9e1aaf9dd/FLAG622f6cd55 [2020-11-28 03:11:01,010 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/data/1d6aefdf3/0761575a63e04c81b5fc58d9e1aaf9dd [2020-11-28 03:11:01,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:11:01,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:11:01,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:11:01,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:11:01,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:11:01,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:11:01" (1/1) ... [2020-11-28 03:11:01,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b7d6982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:01, skipping insertion in model container [2020-11-28 03:11:01,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:11:01" (1/1) ... [2020-11-28 03:11:01,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:11:01,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:11:01,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:11:01,523 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:11:01,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:11:01,648 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:11:01,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:01 WrapperNode [2020-11-28 03:11:01,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:11:01,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:11:01,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:11:01,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:11:01,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:01" (1/1) ... [2020-11-28 03:11:01,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:01" (1/1) ... [2020-11-28 03:11:01,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:11:01,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:11:01,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:11:01,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:11:01,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:01" (1/1) ... [2020-11-28 03:11:01,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:01" (1/1) ... [2020-11-28 03:11:01,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:01" (1/1) ... [2020-11-28 03:11:01,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:01" (1/1) ... [2020-11-28 03:11:01,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:01" (1/1) ... [2020-11-28 03:11:01,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:01" (1/1) ... [2020-11-28 03:11:01,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:01" (1/1) ... [2020-11-28 03:11:01,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:11:01,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:11:01,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:11:01,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:11:01,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:11:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:11:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:11:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:11:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:11:01,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:11:02,365 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:11:02,367 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-28 03:11:02,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:02 BoogieIcfgContainer [2020-11-28 03:11:02,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:11:02,374 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:11:02,374 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:11:02,378 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:11:02,379 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:11:02,379 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:11:01" (1/3) ... [2020-11-28 03:11:02,381 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d1eef56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:11:02, skipping insertion in model container [2020-11-28 03:11:02,381 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:11:02,381 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:11:01" (2/3) ... [2020-11-28 03:11:02,381 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d1eef56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:11:02, skipping insertion in model container [2020-11-28 03:11:02,381 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:11:02,382 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:02" (3/3) ... [2020-11-28 03:11:02,383 INFO L373 chiAutomizerObserver]: Analyzing ICFG Avery-2006FLOPS-Tabel1_true-alloca.i [2020-11-28 03:11:02,461 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:11:02,461 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:11:02,461 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:11:02,461 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:11:02,462 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:11:02,462 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:11:02,462 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:11:02,462 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:11:02,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-11-28 03:11:02,504 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-11-28 03:11:02,505 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:11:02,505 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:11:02,512 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:11:02,513 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:11:02,513 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:11:02,513 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-11-28 03:11:02,518 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-11-28 03:11:02,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:11:02,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:11:02,519 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:11:02,519 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:11:02,527 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet22;havoc main_#t~nondet22;main_~y~0 := main_#t~nondet23;havoc main_#t~nondet23;subxy_#in~x, subxy_#in~y := main_~x~0, main_~y~0;havoc subxy_#res;havoc subxy_#t~malloc2.base, subxy_#t~malloc2.offset, subxy_#t~malloc3.base, subxy_#t~malloc3.offset, subxy_#t~malloc4.base, subxy_#t~malloc4.offset, subxy_#t~malloc5.base, subxy_#t~malloc5.offset, subxy_#t~mem6, subxy_#t~mem7, subxy_#t~mem8, subxy_#t~short9, subxy_#t~mem11, subxy_#t~post12, subxy_#t~mem13, subxy_#t~post14, subxy_#t~mem10, subxy_#t~mem17, subxy_#t~post18, subxy_#t~mem19, subxy_#t~post20, subxy_#t~mem15, subxy_#t~mem16, subxy_#t~mem21, subxy_~x, subxy_~y, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, subxy_~z~0.base, subxy_~z~0.offset, subxy_~i~0.base, subxy_~i~0.offset;subxy_~x := subxy_#in~x;subxy_~y := subxy_#in~y;call subxy_#t~malloc2.base, subxy_#t~malloc2.offset := #Ultimate.allocOnStack(4);subxy_~x_ref~0.base, subxy_~x_ref~0.offset := subxy_#t~malloc2.base, subxy_#t~malloc2.offset;call subxy_#t~malloc3.base, subxy_#t~malloc3.offset := #Ultimate.allocOnStack(4);subxy_~y_ref~0.base, subxy_~y_ref~0.offset := subxy_#t~malloc3.base, subxy_#t~malloc3.offset;call subxy_#t~malloc4.base, subxy_#t~malloc4.offset := #Ultimate.allocOnStack(4);subxy_~z~0.base, subxy_~z~0.offset := subxy_#t~malloc4.base, subxy_#t~malloc4.offset;call subxy_#t~malloc5.base, subxy_#t~malloc5.offset := #Ultimate.allocOnStack(4);subxy_~i~0.base, subxy_~i~0.offset := subxy_#t~malloc5.base, subxy_#t~malloc5.offset;call write~int(subxy_~x, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_~y, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);call write~int(0, subxy_~z~0.base, subxy_~z~0.offset, 4);call subxy_#t~mem6 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_#t~mem6, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem6;call subxy_#t~mem7 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem7 <= 0; 5#L556true assume !subxy_#t~short9;call subxy_#t~mem8 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem8 <= 0; 7#L556-2true assume !subxy_#t~short9;havoc subxy_#t~mem8;havoc subxy_#t~mem7;havoc subxy_#t~short9; 6#L559-3true [2020-11-28 03:11:02,529 INFO L796 eck$LassoCheckResult]: Loop: 6#L559-3true call subxy_#t~mem10 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4); 3#L559-1true assume !!(subxy_#t~mem10 > 0);havoc subxy_#t~mem10;call subxy_#t~mem11 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);subxy_#t~post12 := subxy_#t~mem11;call write~int(subxy_#t~post12 - 1, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem11;havoc subxy_#t~post12;call subxy_#t~mem13 := read~int(subxy_~z~0.base, subxy_~z~0.offset, 4);subxy_#t~post14 := subxy_#t~mem13;call write~int(1 + subxy_#t~post14, subxy_~z~0.base, subxy_~z~0.offset, 4);havoc subxy_#t~mem13;havoc subxy_#t~post14; 6#L559-3true [2020-11-28 03:11:02,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:02,539 INFO L82 PathProgramCache]: Analyzing trace with hash 925673, now seen corresponding path program 1 times [2020-11-28 03:11:02,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:02,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042717307] [2020-11-28 03:11:02,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:02,706 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:02,776 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:02,805 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:11:02,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:02,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1542, now seen corresponding path program 1 times [2020-11-28 03:11:02,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:02,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137784781] [2020-11-28 03:11:02,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:02,822 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:02,832 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:02,835 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:11:02,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:02,838 INFO L82 PathProgramCache]: Analyzing trace with hash 889572334, now seen corresponding path program 1 times [2020-11-28 03:11:02,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:02,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746687773] [2020-11-28 03:11:02,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:02,915 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:03,027 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:03,037 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:11:04,393 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 152 DAG size of output: 120 [2020-11-28 03:11:04,757 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-28 03:11:04,788 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:11:04,788 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:11:04,789 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:11:04,789 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:11:04,789 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:11:04,789 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:04,789 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:11:04,808 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:11:04,809 INFO L133 ssoRankerPreferences]: Filename of dumped script: Avery-2006FLOPS-Tabel1_true-alloca.i_Iteration1_Lasso [2020-11-28 03:11:04,809 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:11:04,809 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:11:04,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:04,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:04,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:04,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:04,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:04,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:04,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:04,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:04,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:04,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:04,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:04,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:04,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:04,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:05,702 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2020-11-28 03:11:05,873 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-11-28 03:11:05,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:05,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:05,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:05,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:05,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:05,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:05,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:05,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:05,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:05,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:05,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:05,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:05,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:06,848 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:11:06,854 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:11:06,881 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:06,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:06,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:06,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:06,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:06,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:06,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:06,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:06,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:11:06,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:06,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:06,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:06,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:06,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:06,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:06,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:06,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:06,926 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:06,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:06,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:06,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:06,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:06,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:06,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:06,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:06,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:06,995 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/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) [2020-11-28 03:11:07,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:07,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:07,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:07,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:07,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:07,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:07,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:07,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:07,053 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/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 [2020-11-28 03:11:07,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:07,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:07,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:07,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:07,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:07,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:07,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:07,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:07,111 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/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 [2020-11-28 03:11:07,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:07,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:07,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:07,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:07,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:07,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:07,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:07,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:07,144 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:07,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:07,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:07,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:07,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:07,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:07,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:07,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:07,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:07,177 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:07,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:07,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:07,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:07,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:07,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:07,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:07,214 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:07,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:07,215 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:07,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:07,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:07,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:07,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:07,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:07,251 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:07,251 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:07,256 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:07,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:07,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:07,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:07,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:07,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:07,290 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:07,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:07,296 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:07,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:07,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:07,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:07,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:07,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:07,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:07,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:07,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:07,340 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/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 [2020-11-28 03:11:07,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:07,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:07,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:07,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:07,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:07,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:07,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:07,401 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:07,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:07,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:07,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:07,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:07,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:07,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:07,439 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:07,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:07,440 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/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 [2020-11-28 03:11:07,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:07,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:07,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:07,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:07,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:07,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:07,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:07,484 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:11:07,544 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:07,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:07,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:07,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:07,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:07,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:07,549 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:07,555 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:07,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:07,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:07,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:07,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:07,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:07,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:07,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:07,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:07,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:07,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:07,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:07,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:07,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:07,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:07,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:07,670 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:11:07,789 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-11-28 03:11:07,790 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:11:07,800 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:07,805 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:11:07,805 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:11:07,806 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0.base) ULTIMATE.start_subxy_~i~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0.base) ULTIMATE.start_subxy_~i~0.offset)_1 Supporting invariants [] [2020-11-28 03:11:08,163 INFO L297 tatePredicateManager]: 30 out of 32 supporting invariants were superfluous and have been removed [2020-11-28 03:11:08,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:11:08,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:08,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 03:11:08,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:11:08,357 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2020-11-28 03:11:08,367 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:11:08,383 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:11:08,390 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:11:08,391 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:9 [2020-11-28 03:11:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:08,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:11:08,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:11:08,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:08,469 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-11-28 03:11:08,471 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 4 states. [2020-11-28 03:11:08,586 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 4 states. Result 32 states and 41 transitions. Complement of second has 9 states. [2020-11-28 03:11:08,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:11:08,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:11:08,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2020-11-28 03:11:08,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 4 letters. Loop has 2 letters. [2020-11-28 03:11:08,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:11:08,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 6 letters. Loop has 2 letters. [2020-11-28 03:11:08,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:11:08,594 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 4 letters. Loop has 4 letters. [2020-11-28 03:11:08,594 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:11:08,595 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 41 transitions. [2020-11-28 03:11:08,598 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 03:11:08,602 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 12 states and 15 transitions. [2020-11-28 03:11:08,604 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-11-28 03:11:08,604 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-11-28 03:11:08,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2020-11-28 03:11:08,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:11:08,606 INFO L691 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2020-11-28 03:11:08,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2020-11-28 03:11:08,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. [2020-11-28 03:11:08,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-11-28 03:11:08,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2020-11-28 03:11:08,638 INFO L714 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-11-28 03:11:08,639 INFO L594 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-11-28 03:11:08,639 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:11:08,639 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2020-11-28 03:11:08,640 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 03:11:08,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:11:08,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:11:08,640 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:11:08,641 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:11:08,641 INFO L794 eck$LassoCheckResult]: Stem: 232#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 226#L-1 havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet22;havoc main_#t~nondet22;main_~y~0 := main_#t~nondet23;havoc main_#t~nondet23;subxy_#in~x, subxy_#in~y := main_~x~0, main_~y~0;havoc subxy_#res;havoc subxy_#t~malloc2.base, subxy_#t~malloc2.offset, subxy_#t~malloc3.base, subxy_#t~malloc3.offset, subxy_#t~malloc4.base, subxy_#t~malloc4.offset, subxy_#t~malloc5.base, subxy_#t~malloc5.offset, subxy_#t~mem6, subxy_#t~mem7, subxy_#t~mem8, subxy_#t~short9, subxy_#t~mem11, subxy_#t~post12, subxy_#t~mem13, subxy_#t~post14, subxy_#t~mem10, subxy_#t~mem17, subxy_#t~post18, subxy_#t~mem19, subxy_#t~post20, subxy_#t~mem15, subxy_#t~mem16, subxy_#t~mem21, subxy_~x, subxy_~y, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, subxy_~z~0.base, subxy_~z~0.offset, subxy_~i~0.base, subxy_~i~0.offset;subxy_~x := subxy_#in~x;subxy_~y := subxy_#in~y;call subxy_#t~malloc2.base, subxy_#t~malloc2.offset := #Ultimate.allocOnStack(4);subxy_~x_ref~0.base, subxy_~x_ref~0.offset := subxy_#t~malloc2.base, subxy_#t~malloc2.offset;call subxy_#t~malloc3.base, subxy_#t~malloc3.offset := #Ultimate.allocOnStack(4);subxy_~y_ref~0.base, subxy_~y_ref~0.offset := subxy_#t~malloc3.base, subxy_#t~malloc3.offset;call subxy_#t~malloc4.base, subxy_#t~malloc4.offset := #Ultimate.allocOnStack(4);subxy_~z~0.base, subxy_~z~0.offset := subxy_#t~malloc4.base, subxy_#t~malloc4.offset;call subxy_#t~malloc5.base, subxy_#t~malloc5.offset := #Ultimate.allocOnStack(4);subxy_~i~0.base, subxy_~i~0.offset := subxy_#t~malloc5.base, subxy_#t~malloc5.offset;call write~int(subxy_~x, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_~y, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);call write~int(0, subxy_~z~0.base, subxy_~z~0.offset, 4);call subxy_#t~mem6 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_#t~mem6, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem6;call subxy_#t~mem7 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem7 <= 0; 227#L556 assume !subxy_#t~short9;call subxy_#t~mem8 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem8 <= 0; 234#L556-2 assume !subxy_#t~short9;havoc subxy_#t~mem8;havoc subxy_#t~mem7;havoc subxy_#t~short9; 235#L559-3 call subxy_#t~mem10 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4); 228#L559-1 assume !(subxy_#t~mem10 > 0);havoc subxy_#t~mem10; 229#L563-2 [2020-11-28 03:11:08,641 INFO L796 eck$LassoCheckResult]: Loop: 229#L563-2 call subxy_#t~mem15 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);call subxy_#t~mem16 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4); 233#L563 assume !!(subxy_#t~mem15 < subxy_#t~mem16);havoc subxy_#t~mem15;havoc subxy_#t~mem16;call subxy_#t~mem17 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);subxy_#t~post18 := subxy_#t~mem17;call write~int(1 + subxy_#t~post18, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem17;havoc subxy_#t~post18;call subxy_#t~mem19 := read~int(subxy_~z~0.base, subxy_~z~0.offset, 4);subxy_#t~post20 := subxy_#t~mem19;call write~int(subxy_#t~post20 - 1, subxy_~z~0.base, subxy_~z~0.offset, 4);havoc subxy_#t~post20;havoc subxy_#t~mem19; 229#L563-2 [2020-11-28 03:11:08,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:08,642 INFO L82 PathProgramCache]: Analyzing trace with hash 889572332, now seen corresponding path program 1 times [2020-11-28 03:11:08,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:08,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106623387] [2020-11-28 03:11:08,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:08,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:08,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106623387] [2020-11-28 03:11:08,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:08,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:11:08,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619796309] [2020-11-28 03:11:08,875 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:11:08,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:08,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2020-11-28 03:11:08,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:08,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836262067] [2020-11-28 03:11:08,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:08,899 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:08,906 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:08,909 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:11:09,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:09,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:11:09,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:11:09,050 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 6 states. [2020-11-28 03:11:09,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:09,222 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2020-11-28 03:11:09,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:11:09,223 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2020-11-28 03:11:09,224 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 03:11:09,225 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 11 states and 13 transitions. [2020-11-28 03:11:09,225 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-11-28 03:11:09,225 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-11-28 03:11:09,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2020-11-28 03:11:09,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:11:09,226 INFO L691 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2020-11-28 03:11:09,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2020-11-28 03:11:09,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-11-28 03:11:09,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-11-28 03:11:09,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2020-11-28 03:11:09,228 INFO L714 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-11-28 03:11:09,228 INFO L594 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-11-28 03:11:09,228 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:11:09,228 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2020-11-28 03:11:09,229 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 03:11:09,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:11:09,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:11:09,230 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:09,230 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:11:09,230 INFO L794 eck$LassoCheckResult]: Stem: 269#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 263#L-1 havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet22;havoc main_#t~nondet22;main_~y~0 := main_#t~nondet23;havoc main_#t~nondet23;subxy_#in~x, subxy_#in~y := main_~x~0, main_~y~0;havoc subxy_#res;havoc subxy_#t~malloc2.base, subxy_#t~malloc2.offset, subxy_#t~malloc3.base, subxy_#t~malloc3.offset, subxy_#t~malloc4.base, subxy_#t~malloc4.offset, subxy_#t~malloc5.base, subxy_#t~malloc5.offset, subxy_#t~mem6, subxy_#t~mem7, subxy_#t~mem8, subxy_#t~short9, subxy_#t~mem11, subxy_#t~post12, subxy_#t~mem13, subxy_#t~post14, subxy_#t~mem10, subxy_#t~mem17, subxy_#t~post18, subxy_#t~mem19, subxy_#t~post20, subxy_#t~mem15, subxy_#t~mem16, subxy_#t~mem21, subxy_~x, subxy_~y, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, subxy_~z~0.base, subxy_~z~0.offset, subxy_~i~0.base, subxy_~i~0.offset;subxy_~x := subxy_#in~x;subxy_~y := subxy_#in~y;call subxy_#t~malloc2.base, subxy_#t~malloc2.offset := #Ultimate.allocOnStack(4);subxy_~x_ref~0.base, subxy_~x_ref~0.offset := subxy_#t~malloc2.base, subxy_#t~malloc2.offset;call subxy_#t~malloc3.base, subxy_#t~malloc3.offset := #Ultimate.allocOnStack(4);subxy_~y_ref~0.base, subxy_~y_ref~0.offset := subxy_#t~malloc3.base, subxy_#t~malloc3.offset;call subxy_#t~malloc4.base, subxy_#t~malloc4.offset := #Ultimate.allocOnStack(4);subxy_~z~0.base, subxy_~z~0.offset := subxy_#t~malloc4.base, subxy_#t~malloc4.offset;call subxy_#t~malloc5.base, subxy_#t~malloc5.offset := #Ultimate.allocOnStack(4);subxy_~i~0.base, subxy_~i~0.offset := subxy_#t~malloc5.base, subxy_#t~malloc5.offset;call write~int(subxy_~x, subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_~y, subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);call write~int(0, subxy_~z~0.base, subxy_~z~0.offset, 4);call subxy_#t~mem6 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);call write~int(subxy_#t~mem6, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem6;call subxy_#t~mem7 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem7 <= 0; 264#L556 assume !subxy_#t~short9;call subxy_#t~mem8 := read~int(subxy_~x_ref~0.base, subxy_~x_ref~0.offset, 4);subxy_#t~short9 := subxy_#t~mem8 <= 0; 272#L556-2 assume !subxy_#t~short9;havoc subxy_#t~mem8;havoc subxy_#t~mem7;havoc subxy_#t~short9; 271#L559-3 call subxy_#t~mem10 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4); 267#L559-1 assume !!(subxy_#t~mem10 > 0);havoc subxy_#t~mem10;call subxy_#t~mem11 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);subxy_#t~post12 := subxy_#t~mem11;call write~int(subxy_#t~post12 - 1, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem11;havoc subxy_#t~post12;call subxy_#t~mem13 := read~int(subxy_~z~0.base, subxy_~z~0.offset, 4);subxy_#t~post14 := subxy_#t~mem13;call write~int(1 + subxy_#t~post14, subxy_~z~0.base, subxy_~z~0.offset, 4);havoc subxy_#t~mem13;havoc subxy_#t~post14; 268#L559-3 call subxy_#t~mem10 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4); 265#L559-1 assume !(subxy_#t~mem10 > 0);havoc subxy_#t~mem10; 266#L563-2 [2020-11-28 03:11:09,230 INFO L796 eck$LassoCheckResult]: Loop: 266#L563-2 call subxy_#t~mem15 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);call subxy_#t~mem16 := read~int(subxy_~y_ref~0.base, subxy_~y_ref~0.offset, 4); 270#L563 assume !!(subxy_#t~mem15 < subxy_#t~mem16);havoc subxy_#t~mem15;havoc subxy_#t~mem16;call subxy_#t~mem17 := read~int(subxy_~i~0.base, subxy_~i~0.offset, 4);subxy_#t~post18 := subxy_#t~mem17;call write~int(1 + subxy_#t~post18, subxy_~i~0.base, subxy_~i~0.offset, 4);havoc subxy_#t~mem17;havoc subxy_#t~post18;call subxy_#t~mem19 := read~int(subxy_~z~0.base, subxy_~z~0.offset, 4);subxy_#t~post20 := subxy_#t~mem19;call write~int(subxy_#t~post20 - 1, subxy_~z~0.base, subxy_~z~0.offset, 4);havoc subxy_#t~post20;havoc subxy_#t~mem19; 266#L563-2 [2020-11-28 03:11:09,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:09,231 INFO L82 PathProgramCache]: Analyzing trace with hash 180521649, now seen corresponding path program 1 times [2020-11-28 03:11:09,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:09,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074448923] [2020-11-28 03:11:09,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:09,276 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:09,355 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:09,363 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:11:09,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:09,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 2 times [2020-11-28 03:11:09,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:09,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742640836] [2020-11-28 03:11:09,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:09,401 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:09,408 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:09,411 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:11:09,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:09,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1682613814, now seen corresponding path program 1 times [2020-11-28 03:11:09,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:09,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562942838] [2020-11-28 03:11:09,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:09,472 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:11:09,530 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:11:09,538 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:11:11,708 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 174 DAG size of output: 137 [2020-11-28 03:11:12,342 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-11-28 03:11:12,347 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:11:12,347 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:11:12,348 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:11:12,348 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:11:12,348 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:11:12,348 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:12,348 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:11:12,348 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:11:12,348 INFO L133 ssoRankerPreferences]: Filename of dumped script: Avery-2006FLOPS-Tabel1_true-alloca.i_Iteration3_Lasso [2020-11-28 03:11:12,348 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:11:12,348 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:11:12,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:12,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:12,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:12,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:12,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:12,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:12,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:12,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:12,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:12,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:12,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:12,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:12,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:12,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:12,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:12,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:13,215 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2020-11-28 03:11:13,461 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2020-11-28 03:11:13,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:13,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:13,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:13,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:13,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:13,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:13,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:13,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:13,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:13,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:13,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:11:13,744 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-11-28 03:11:14,541 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:11:14,541 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/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 [2020-11-28 03:11:14,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:14,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:14,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:14,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:14,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:14,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:14,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:14,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:14,559 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:14,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:14,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:14,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:14,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:14,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:14,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:14,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:14,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:14,588 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:14,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:14,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:14,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:14,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:14,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:14,624 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:14,625 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:14,638 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:14,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:14,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:14,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:14,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:14,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:14,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:14,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:14,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:14,669 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:14,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:14,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:14,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:14,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:14,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:14,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:14,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:14,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:14,699 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:14,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:14,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:14,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:14,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:14,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:14,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:14,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:14,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:14,734 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:14,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:14,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:14,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:14,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:14,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:14,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:14,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:14,780 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:14,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:14,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:14,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:14,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:14,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:14,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:14,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:14,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:14,835 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:14,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:14,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:14,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:14,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:14,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:14,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:14,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:14,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:14,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:14,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:14,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:14,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:14,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:14,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:14,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:14,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:14,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:14,922 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:14,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:14,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:14,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:14,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:14,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:14,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:14,953 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:14,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:14,955 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/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 [2020-11-28 03:11:14,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:14,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:14,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:14,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:14,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:14,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:14,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:15,007 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:11:15,048 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 [2020-11-28 03:11:15,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:15,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:15,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:15,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:15,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:15,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:15,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:15,053 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:15,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:15,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:15,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:15,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:15,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:15,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:15,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:15,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:15,095 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:15,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:15,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:15,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:11:15,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:15,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:15,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:15,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:11:15,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:11:15,126 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:15,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:15,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:15,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:15,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:15,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:15,181 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:15,181 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:15,207 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:11:15,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:15,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:15,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:15,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:15,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:15,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:15,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:15,282 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:15,312 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 [2020-11-28 03:11:15,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:15,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:15,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:15,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:15,318 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:15,318 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:15,327 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/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) [2020-11-28 03:11:15,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:15,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:15,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:15,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:15,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:15,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:15,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:15,386 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/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) [2020-11-28 03:11:15,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:15,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:15,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:15,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:15,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:15,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:15,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:15,443 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:15,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:15,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:15,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:15,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:15,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:15,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:15,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:15,491 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:15,516 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 [2020-11-28 03:11:15,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:15,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:15,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:15,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:15,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:15,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:15,526 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:15,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:15,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:15,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:15,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:15,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:15,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:15,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:15,557 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:15,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:11:15,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:11:15,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:11:15,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:11:15,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:11:15,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:11:15,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:11:15,601 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:11:15,617 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-11-28 03:11:15,617 INFO L444 ModelExtractionUtils]: 25 out of 31 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_083b940c-ff0c-4ea9-b4f9-417d72dbe747/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:11:15,620 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:11:15,622 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:11:15,623 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:11:15,623 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0.base) ULTIMATE.start_subxy_~i~0.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_subxy_~y_ref~0.base) ULTIMATE.start_subxy_~y_ref~0.offset)_2) = -1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~i~0.base) ULTIMATE.start_subxy_~i~0.offset)_2 + 1*v_rep(select (select #memory_int ULTIMATE.start_subxy_~y_ref~0.base) ULTIMATE.start_subxy_~y_ref~0.offset)_2 Supporting invariants [] [2020-11-28 03:11:15,835 INFO L297 tatePredicateManager]: 35 out of 37 supporting invariants were superfluous and have been removed [2020-11-28 03:11:15,843 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:11:15,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 03:11:15,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:15,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 03:11:15,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:11:15,932 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2020-11-28 03:11:15,937 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 03:11:15,950 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 03:11:15,955 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-28 03:11:15,955 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:9 [2020-11-28 03:11:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:15,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-28 03:11:15,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:11:16,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:16,002 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-11-28 03:11:16,003 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand 4 states. [2020-11-28 03:11:16,063 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand 4 states. Result 12 states and 15 transitions. Complement of second has 5 states. [2020-11-28 03:11:16,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:11:16,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:11:16,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2020-11-28 03:11:16,065 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 8 letters. Loop has 2 letters. [2020-11-28 03:11:16,065 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:11:16,065 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 10 letters. Loop has 2 letters. [2020-11-28 03:11:16,065 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:11:16,066 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 8 letters. Loop has 4 letters. [2020-11-28 03:11:16,066 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:11:16,066 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2020-11-28 03:11:16,067 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:11:16,067 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2020-11-28 03:11:16,067 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:11:16,067 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:11:16,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:11:16,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:11:16,068 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:11:16,068 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:11:16,068 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:11:16,068 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-28 03:11:16,068 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:11:16,068 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:11:16,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:11:16,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:11:16 BoogieIcfgContainer [2020-11-28 03:11:16,074 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:11:16,076 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:11:16,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:11:16,077 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:11:16,077 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:02" (3/4) ... [2020-11-28 03:11:16,081 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:11:16,081 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:11:16,085 INFO L168 Benchmark]: Toolchain (without parser) took 15067.72 ms. Allocated memory was 109.1 MB in the beginning and 195.0 MB in the end (delta: 86.0 MB). Free memory was 76.5 MB in the beginning and 69.8 MB in the end (delta: 6.7 MB). Peak memory consumption was 93.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:16,085 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 77.6 MB. Free memory was 35.7 MB in the beginning and 35.7 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:11:16,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.07 ms. Allocated memory is still 109.1 MB. Free memory was 76.3 MB in the beginning and 76.3 MB in the end (delta: -12.2 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:16,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.01 ms. Allocated memory is still 109.1 MB. Free memory was 76.3 MB in the beginning and 74.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:16,089 INFO L168 Benchmark]: Boogie Preprocessor took 37.98 ms. Allocated memory is still 109.1 MB. Free memory was 74.2 MB in the beginning and 73.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:11:16,094 INFO L168 Benchmark]: RCFGBuilder took 611.70 ms. Allocated memory is still 109.1 MB. Free memory was 73.1 MB in the beginning and 55.9 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:16,095 INFO L168 Benchmark]: BuchiAutomizer took 13701.92 ms. Allocated memory was 109.1 MB in the beginning and 195.0 MB in the end (delta: 86.0 MB). Free memory was 55.9 MB in the beginning and 69.8 MB in the end (delta: -13.9 MB). Peak memory consumption was 75.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:16,095 INFO L168 Benchmark]: Witness Printer took 4.94 ms. Allocated memory is still 195.0 MB. Free memory is still 69.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:11:16,101 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 77.6 MB. Free memory was 35.7 MB in the beginning and 35.7 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 624.07 ms. Allocated memory is still 109.1 MB. Free memory was 76.3 MB in the beginning and 76.3 MB in the end (delta: -12.2 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.01 ms. Allocated memory is still 109.1 MB. Free memory was 76.3 MB in the beginning and 74.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.98 ms. Allocated memory is still 109.1 MB. Free memory was 74.2 MB in the beginning and 73.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 611.70 ms. Allocated memory is still 109.1 MB. Free memory was 73.1 MB in the beginning and 55.9 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 13701.92 ms. Allocated memory was 109.1 MB in the beginning and 195.0 MB in the end (delta: 86.0 MB). Free memory was 55.9 MB in the beginning and 69.8 MB in the end (delta: -13.9 MB). Peak memory consumption was 75.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.94 ms. Allocated memory is still 195.0 MB. Free memory is still 69.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[i][i] and consists of 6 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[i][i] + unknown-#memory_int-unknown[y_ref][y_ref] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.6s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 12.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 21 SDtfs, 24 SDslu, 16 SDs, 0 SdLazy, 44 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital780 mio100 ax102 hnf99 lsp96 ukn30 mio100 lsp35 div100 bol100 ite100 ukn100 eq193 hnf87 smp98 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...