./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-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_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/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 cb5770b8d32c05b82025135c2b222cf31b0a4100 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:29:40,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:29:40,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:29:40,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:29:40,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:29:40,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:29:40,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:29:40,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:29:40,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:29:40,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:29:40,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:29:40,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:29:40,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:29:40,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:29:40,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:29:40,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:29:40,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:29:40,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:29:40,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:29:40,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:29:40,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:29:40,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:29:40,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:29:40,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:29:40,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:29:40,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:29:40,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:29:40,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:29:40,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:29:40,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:29:40,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:29:40,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:29:40,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:29:40,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:29:40,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:29:40,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:29:40,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:29:40,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:29:40,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:29:40,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:29:40,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:29:40,713 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-30 00:29:40,755 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:29:40,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:29:40,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:29:40,758 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:29:40,758 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:29:40,758 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 00:29:40,758 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 00:29:40,759 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 00:29:40,759 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 00:29:40,759 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 00:29:40,760 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 00:29:40,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:29:40,761 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:29:40,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:29:40,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:29:40,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 00:29:40,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 00:29:40,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 00:29:40,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:29:40,762 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 00:29:40,762 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:29:40,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 00:29:40,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:29:40,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:29:40,763 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 00:29:40,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:29:40,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:29:40,764 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:29:40,764 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 00:29:40,766 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 00:29:40,767 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_00b22b30-b974-4338-b305-b6932876234d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb5770b8d32c05b82025135c2b222cf31b0a4100 [2020-11-30 00:29:41,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:29:41,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:29:41,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:29:41,134 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:29:41,135 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:29:41,136 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2020-11-30 00:29:41,226 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/data/e706f8f84/5e926c0af8c54332b99e4f7eb25de1e4/FLAG1bc36b87c [2020-11-30 00:29:41,926 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:29:41,926 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/sv-benchmarks/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2020-11-30 00:29:41,961 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/data/e706f8f84/5e926c0af8c54332b99e4f7eb25de1e4/FLAG1bc36b87c [2020-11-30 00:29:42,193 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/data/e706f8f84/5e926c0af8c54332b99e4f7eb25de1e4 [2020-11-30 00:29:42,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:29:42,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:29:42,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:29:42,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:29:42,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:29:42,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:29:42" (1/1) ... [2020-11-30 00:29:42,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c33d46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:42, skipping insertion in model container [2020-11-30 00:29:42,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:29:42" (1/1) ... [2020-11-30 00:29:42,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:29:42,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:29:42,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:29:42,604 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:29:42,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:29:42,713 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:29:42,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:42 WrapperNode [2020-11-30 00:29:42,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:29:42,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:29:42,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:29:42,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:29:42,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:42" (1/1) ... [2020-11-30 00:29:42,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:42" (1/1) ... [2020-11-30 00:29:42,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:29:42,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:29:42,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:29:42,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:29:42,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:42" (1/1) ... [2020-11-30 00:29:42,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:42" (1/1) ... [2020-11-30 00:29:42,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:42" (1/1) ... [2020-11-30 00:29:42,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:42" (1/1) ... [2020-11-30 00:29:42,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:42" (1/1) ... [2020-11-30 00:29:42,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:42" (1/1) ... [2020-11-30 00:29:42,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:42" (1/1) ... [2020-11-30 00:29:42,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:29:42,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:29:42,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:29:42,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:29:42,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/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 [2020-11-30 00:29:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 00:29:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 00:29:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:29:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:29:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:29:42,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:29:43,642 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:29:43,645 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-11-30 00:29:43,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:29:43 BoogieIcfgContainer [2020-11-30 00:29:43,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:29:43,650 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 00:29:43,650 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 00:29:43,654 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 00:29:43,655 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:29:43,655 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 12:29:42" (1/3) ... [2020-11-30 00:29:43,656 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@788f6887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:29:43, skipping insertion in model container [2020-11-30 00:29:43,657 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:29:43,657 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:42" (2/3) ... [2020-11-30 00:29:43,657 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@788f6887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:29:43, skipping insertion in model container [2020-11-30 00:29:43,657 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:29:43,658 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:29:43" (3/3) ... [2020-11-30 00:29:43,659 INFO L373 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i [2020-11-30 00:29:43,728 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 00:29:43,728 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 00:29:43,729 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 00:29:43,729 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:29:43,729 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:29:43,729 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 00:29:43,729 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:29:43,729 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 00:29:43,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states. [2020-11-30 00:29:43,767 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2020-11-30 00:29:43,767 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:29:43,768 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:29:43,774 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-30 00:29:43,774 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 00:29:43,775 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 00:29:43,775 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states. [2020-11-30 00:29:43,780 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2020-11-30 00:29:43,781 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:29:43,781 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:29:43,781 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-30 00:29:43,781 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-30 00:29:43,789 INFO L794 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 14#L-1true havoc main_#res;havoc main_#t~nondet21; 8#L578true assume 0 != main_#t~nondet21;havoc main_#t~nondet21;f_#in~d := 1;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 3#L558true assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 23#L562-2true [2020-11-30 00:29:43,789 INFO L796 eck$LassoCheckResult]: Loop: 23#L562-2true call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 18#L562true assume !!(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem8;havoc f_#t~mem9;call f_#t~mem10 := read~int(f_~z~0.base, f_~z~0.offset, 4);call write~int(2 * f_#t~mem10, f_~z~0.base, f_~z~0.offset, 4);havoc f_#t~mem10; 23#L562-2true [2020-11-30 00:29:43,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:43,796 INFO L82 PathProgramCache]: Analyzing trace with hash 925608, now seen corresponding path program 1 times [2020-11-30 00:29:43,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:43,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227362083] [2020-11-30 00:29:43,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:44,036 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:44,135 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:44,164 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:29:44,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:44,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1446, now seen corresponding path program 1 times [2020-11-30 00:29:44,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:44,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564112062] [2020-11-30 00:29:44,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:44,196 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:44,220 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:44,223 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:29:44,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:44,225 INFO L82 PathProgramCache]: Analyzing trace with hash 889509773, now seen corresponding path program 1 times [2020-11-30 00:29:44,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:44,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948430295] [2020-11-30 00:29:44,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:44,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:44,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948430295] [2020-11-30 00:29:44,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:44,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:29:44,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546190830] [2020-11-30 00:29:44,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:44,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:29:44,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:29:44,542 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 4 states. [2020-11-30 00:29:44,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:44,737 INFO L93 Difference]: Finished difference Result 39 states and 52 transitions. [2020-11-30 00:29:44,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:29:44,741 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 52 transitions. [2020-11-30 00:29:44,744 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2020-11-30 00:29:44,751 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 29 states and 38 transitions. [2020-11-30 00:29:44,753 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2020-11-30 00:29:44,753 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2020-11-30 00:29:44,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 38 transitions. [2020-11-30 00:29:44,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:29:44,756 INFO L691 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2020-11-30 00:29:44,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 38 transitions. [2020-11-30 00:29:44,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 19. [2020-11-30 00:29:44,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-30 00:29:44,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2020-11-30 00:29:44,786 INFO L714 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2020-11-30 00:29:44,786 INFO L594 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2020-11-30 00:29:44,786 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 00:29:44,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2020-11-30 00:29:44,794 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2020-11-30 00:29:44,795 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:29:44,795 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:29:44,795 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:29:44,795 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-30 00:29:44,796 INFO L794 eck$LassoCheckResult]: Stem: 92#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 91#L-1 havoc main_#res;havoc main_#t~nondet21; 84#L578 assume 0 != main_#t~nondet21;havoc main_#t~nondet21;f_#in~d := 1;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 77#L558 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 78#L562-2 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 93#L562 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem8;havoc f_#t~mem9; 80#L567-2 [2020-11-30 00:29:44,797 INFO L796 eck$LassoCheckResult]: Loop: 80#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 88#L566 assume !f_#t~short13; 89#L566-2 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem11;havoc f_#t~mem12; 85#L567 assume !(0 != f_#t~nondet14);havoc f_#t~nondet14;call f_#t~mem19 := read~int(f_~y~0.base, f_~y~0.offset, 4);call f_#t~mem20 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem19 - f_#t~mem20, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~mem19;havoc f_#t~mem20; 80#L567-2 [2020-11-30 00:29:44,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:44,799 INFO L82 PathProgramCache]: Analyzing trace with hash 889509771, now seen corresponding path program 1 times [2020-11-30 00:29:44,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:44,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690717516] [2020-11-30 00:29:44,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:44,861 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:44,885 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:44,891 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:29:44,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:44,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1759853, now seen corresponding path program 1 times [2020-11-30 00:29:44,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:44,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970683747] [2020-11-30 00:29:44,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:44,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:44,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970683747] [2020-11-30 00:29:44,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:44,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:29:44,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196795394] [2020-11-30 00:29:44,912 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-30 00:29:44,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:44,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:29:44,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:44,913 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 7 Second operand 3 states. [2020-11-30 00:29:44,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:44,952 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2020-11-30 00:29:44,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:29:44,953 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2020-11-30 00:29:44,954 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2020-11-30 00:29:44,955 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 19 states and 22 transitions. [2020-11-30 00:29:44,955 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2020-11-30 00:29:44,955 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2020-11-30 00:29:44,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 22 transitions. [2020-11-30 00:29:44,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:29:44,956 INFO L691 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2020-11-30 00:29:44,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 22 transitions. [2020-11-30 00:29:44,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-11-30 00:29:44,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-11-30 00:29:44,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2020-11-30 00:29:44,958 INFO L714 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2020-11-30 00:29:44,958 INFO L594 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2020-11-30 00:29:44,958 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-30 00:29:44,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 22 transitions. [2020-11-30 00:29:44,959 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2020-11-30 00:29:44,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:29:44,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:29:44,959 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:29:44,960 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-30 00:29:44,962 INFO L794 eck$LassoCheckResult]: Stem: 138#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 136#L-1 havoc main_#res;havoc main_#t~nondet21; 130#L578 assume 0 != main_#t~nondet21;havoc main_#t~nondet21;f_#in~d := 1;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 123#L558 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 124#L562-2 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 139#L562 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem8;havoc f_#t~mem9; 126#L567-2 [2020-11-30 00:29:44,962 INFO L796 eck$LassoCheckResult]: Loop: 126#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 134#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 135#L566-2 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem11;havoc f_#t~mem12; 131#L567 assume !(0 != f_#t~nondet14);havoc f_#t~nondet14;call f_#t~mem19 := read~int(f_~y~0.base, f_~y~0.offset, 4);call f_#t~mem20 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem19 - f_#t~mem20, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~mem19;havoc f_#t~mem20; 126#L567-2 [2020-11-30 00:29:44,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:44,963 INFO L82 PathProgramCache]: Analyzing trace with hash 889509771, now seen corresponding path program 2 times [2020-11-30 00:29:44,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:44,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080280670] [2020-11-30 00:29:44,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:45,015 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:45,043 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:45,048 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:29:45,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:45,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1757931, now seen corresponding path program 1 times [2020-11-30 00:29:45,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:45,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463404874] [2020-11-30 00:29:45,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:45,063 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:45,083 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:45,086 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:29:45,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:45,088 INFO L82 PathProgramCache]: Analyzing trace with hash -260778635, now seen corresponding path program 1 times [2020-11-30 00:29:45,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:45,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896730565] [2020-11-30 00:29:45,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:45,110 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:45,134 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:45,140 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:29:45,328 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2020-11-30 00:29:46,973 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 159 DAG size of output: 120 [2020-11-30 00:29:47,422 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-11-30 00:29:47,434 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:29:47,435 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:29:47,435 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:29:47,435 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:29:47,435 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:29:47,436 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:29:47,436 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:29:47,436 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:29:47,436 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i_Iteration3_Lasso [2020-11-30 00:29:47,436 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:29:47,437 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:29:47,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:47,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:47,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:47,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:47,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:47,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:47,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:47,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:47,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:47,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:48,585 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 94 [2020-11-30 00:29:48,878 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2020-11-30 00:29:48,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:48,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:48,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:48,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:48,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:48,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:48,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:48,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:48,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:48,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:48,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:48,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:48,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:49,793 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:29:49,798 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:29:49,805 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 [2020-11-30 00:29:49,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:29:49,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:29:49,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:29:49,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:29:49,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:29:49,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:29:49,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:29:49,815 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:29:49,842 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 [2020-11-30 00:29:49,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:29:49,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:29:49,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:29:49,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:29:49,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:29:49,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:29:49,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:29:49,853 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/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 [2020-11-30 00:29:49,883 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 [2020-11-30 00:29:49,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:29:49,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:29:49,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:29:49,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:29:49,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:29:49,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:29:49,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:29:49,887 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:29:49,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:29:49,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:29:49,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:29:49,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:29:49,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:29:49,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:29:49,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:29:49,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:29:49,922 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/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 [2020-11-30 00:29:49,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:29:49,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:29:49,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:29:49,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:29:49,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:29:49,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:29:49,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:29:49,972 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:29:50,035 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 [2020-11-30 00:29:50,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:29:50,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:29:50,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:29:50,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:29:50,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:29:50,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:29:50,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:29:50,045 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/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 [2020-11-30 00:29:50,082 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 [2020-11-30 00:29:50,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:29:50,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:29:50,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:29:50,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:29:50,089 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:29:50,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:29:50,096 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:29:50,167 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 [2020-11-30 00:29:50,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:29:50,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:29:50,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:29:50,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:29:50,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:29:50,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:29:50,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:29:50,173 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/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 [2020-11-30 00:29:50,206 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 [2020-11-30 00:29:50,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:29:50,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:29:50,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:29:50,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:29:50,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:29:50,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:29:50,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:29:50,210 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/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 [2020-11-30 00:29:50,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:29:50,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:29:50,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:29:50,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:29:50,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:29:50,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:29:50,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:29:50,266 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/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 [2020-11-30 00:29:50,295 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 [2020-11-30 00:29:50,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:29:50,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:29:50,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:29:50,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:29:50,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:29:50,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:29:50,336 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:29:50,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:29:50,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:29:50,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:29:50,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:29:50,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:29:50,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:29:50,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:29:50,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:29:50,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:29:50,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:29:50,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:29:50,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:29:50,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:29:50,450 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:29:50,450 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:29:50,454 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/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 [2020-11-30 00:29:50,509 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 [2020-11-30 00:29:50,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:29:50,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:29:50,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:29:50,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:29:50,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:29:50,523 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:29:50,530 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/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) [2020-11-30 00:29:50,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:29:50,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:29:50,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:29:50,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:29:50,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:29:50,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:29:50,598 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:29:50,603 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/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) [2020-11-30 00:29:50,665 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 [2020-11-30 00:29:50,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:29:50,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:29:50,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:29:50,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:29:50,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:29:50,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:29:50,728 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/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 [2020-11-30 00:29:50,756 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 [2020-11-30 00:29:50,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:29:50,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:29:50,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:29:50,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:29:50,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:29:50,762 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:29:50,772 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/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) [2020-11-30 00:29:50,821 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 [2020-11-30 00:29:50,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:29:50,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:29:50,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:29:50,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:29:50,829 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:29:50,829 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:29:50,840 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/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 [2020-11-30 00:29:50,893 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 [2020-11-30 00:29:50,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:29:50,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:29:50,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:29:50,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:29:50,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:29:50,904 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:29:50,910 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/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) [2020-11-30 00:29:50,971 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 [2020-11-30 00:29:50,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:29:50,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:29:50,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:29:50,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:29:50,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:29:50,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:29:50,994 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 00:29:51,160 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-11-30 00:29:51,160 INFO L444 ModelExtractionUtils]: 9 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:29:51,215 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:29:51,225 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-30 00:29:51,225 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 00:29:51,226 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~y~0.base) ULTIMATE.start_f_~y~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_f_~y~0.base) ULTIMATE.start_f_~y~0.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_f_~d_ref~0.base) ULTIMATE.start_f_~d_ref~0.offset)_1 - 1 >= 0] [2020-11-30 00:29:51,597 INFO L297 tatePredicateManager]: 56 out of 59 supporting invariants were superfluous and have been removed [2020-11-30 00:29:51,656 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 00:29:51,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:51,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 17 conjunts are in the unsatisfiable core [2020-11-30 00:29:51,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:29:51,974 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:29:51,974 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 62 [2020-11-30 00:29:51,978 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:29:51,979 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:29:51,985 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:29:51,987 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:29:51,990 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:29:51,993 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:29:51,994 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:29:51,999 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:29:52,000 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:29:52,005 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:29:52,010 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-30 00:29:52,014 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:29:52,018 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:29:52,065 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:29:52,173 INFO L350 Elim1Store]: treesize reduction 88, result has 29.6 percent of original size [2020-11-30 00:29:52,173 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 251 treesize of output 44 [2020-11-30 00:29:52,174 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 00:29:52,215 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:29:52,236 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:29:52,250 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:29:52,252 INFO L545 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 1 xjuncts. [2020-11-30 00:29:52,252 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 11 variables, input treesize:295, output treesize:75 [2020-11-30 00:29:52,254 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:29:52,324 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:29:52,328 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:29:52,420 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:29:52,421 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:29:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:52,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-30 00:29:52,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:29:52,498 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:29:52,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:52,585 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-11-30 00:29:52,586 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 22 transitions. cyclomatic complexity: 5 Second operand 6 states. [2020-11-30 00:29:54,743 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 22 transitions. cyclomatic complexity: 5. Second operand 6 states. Result 29 states and 34 transitions. Complement of second has 10 states. [2020-11-30 00:29:54,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-30 00:29:54,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-30 00:29:54,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2020-11-30 00:29:54,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 4 letters. [2020-11-30 00:29:54,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:29:54,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 10 letters. Loop has 4 letters. [2020-11-30 00:29:54,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:29:54,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 8 letters. [2020-11-30 00:29:54,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:29:54,750 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2020-11-30 00:29:54,751 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2020-11-30 00:29:54,752 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 28 states and 33 transitions. [2020-11-30 00:29:54,752 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2020-11-30 00:29:54,752 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2020-11-30 00:29:54,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2020-11-30 00:29:54,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-30 00:29:54,752 INFO L691 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2020-11-30 00:29:54,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2020-11-30 00:29:54,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2020-11-30 00:29:54,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-11-30 00:29:54,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2020-11-30 00:29:54,755 INFO L714 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2020-11-30 00:29:54,755 INFO L594 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2020-11-30 00:29:54,755 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-30 00:29:54,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 32 transitions. [2020-11-30 00:29:54,762 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2020-11-30 00:29:54,762 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:29:54,763 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:29:54,763 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:29:54,763 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-30 00:29:54,764 INFO L794 eck$LassoCheckResult]: Stem: 494#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 493#L-1 havoc main_#res;havoc main_#t~nondet21; 480#L578 assume !(0 != main_#t~nondet21);havoc main_#t~nondet21;f_#in~d := 2;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 477#L558-1 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 478#L562-5 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 479#L562-3 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem8;havoc f_#t~mem9; 485#L567-5 [2020-11-30 00:29:54,764 INFO L796 eck$LassoCheckResult]: Loop: 485#L567-5 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 497#L566-5 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 498#L566-7 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem11;havoc f_#t~mem12; 492#L567-3 assume !(0 != f_#t~nondet14);havoc f_#t~nondet14;call f_#t~mem19 := read~int(f_~y~0.base, f_~y~0.offset, 4);call f_#t~mem20 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem19 - f_#t~mem20, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~mem19;havoc f_#t~mem20; 485#L567-5 [2020-11-30 00:29:54,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:54,765 INFO L82 PathProgramCache]: Analyzing trace with hash 890987403, now seen corresponding path program 1 times [2020-11-30 00:29:54,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:54,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908623927] [2020-11-30 00:29:54,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:54,817 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:54,853 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:54,869 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:29:54,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:54,871 INFO L82 PathProgramCache]: Analyzing trace with hash 3235563, now seen corresponding path program 1 times [2020-11-30 00:29:54,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:54,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554879092] [2020-11-30 00:29:54,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:54,883 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:54,890 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:54,896 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:29:54,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:54,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1434718859, now seen corresponding path program 1 times [2020-11-30 00:29:54,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:54,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583881101] [2020-11-30 00:29:54,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:54,936 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:54,980 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:54,989 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:29:55,152 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2020-11-30 00:29:56,983 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 159 DAG size of output: 129 [2020-11-30 00:29:57,716 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-11-30 00:29:57,727 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:29:57,727 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:29:57,728 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:29:57,728 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:29:57,728 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:29:57,728 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:29:57,728 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:29:57,728 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:29:57,728 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-2010SAS-Fig1-alloca.i_Iteration4_Lasso [2020-11-30 00:29:57,728 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:29:57,728 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:29:57,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:57,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:57,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:57,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:57,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:57,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:57,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:57,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:57,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:57,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:57,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:57,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:57,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:58,932 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 97 [2020-11-30 00:29:59,274 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2020-11-30 00:29:59,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:59,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:59,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:59,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:59,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:59,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:59,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:59,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:59,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:59,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:59,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:29:59,783 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-11-30 00:30:00,363 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:30:00,363 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:30:00,375 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:30:00,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:30:00,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:30:00,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:30:00,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:30:00,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:30:00,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:30:00,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:30:00,379 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:30:00,403 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:30:00,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:30:00,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:30:00,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:30:00,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:30:00,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:30:00,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:30:00,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:30:00,408 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/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 [2020-11-30 00:30:00,436 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 [2020-11-30 00:30:00,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:30:00,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:30:00,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:30:00,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:30:00,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:30:00,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:30:00,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:30:00,439 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/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 [2020-11-30 00:30:00,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:30:00,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:30:00,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:30:00,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:30:00,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:30:00,465 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:30:00,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:30:00,467 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/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 [2020-11-30 00:30:00,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:30:00,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:30:00,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:30:00,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:30:00,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:30:00,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:30:00,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:30:00,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:30:00,520 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:30:00,561 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 [2020-11-30 00:30:00,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:30:00,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:30:00,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:30:00,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:30:00,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:30:00,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:30:00,569 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:30:00,614 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 [2020-11-30 00:30:00,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:30:00,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:30:00,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:30:00,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:30:00,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:30:00,617 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:30:00,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:30:00,619 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:30:00,657 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 [2020-11-30 00:30:00,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:30:00,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:30:00,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:30:00,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:30:00,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:30:00,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:30:00,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:30:00,662 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:30:00,701 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 [2020-11-30 00:30:00,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:30:00,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:30:00,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:30:00,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:30:00,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:30:00,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:30:00,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:30:00,705 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:30:00,730 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 [2020-11-30 00:30:00,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:30:00,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:30:00,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:30:00,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:30:00,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:30:00,733 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:30:00,737 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/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) [2020-11-30 00:30:00,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:30:00,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:30:00,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:30:00,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:30:00,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:30:00,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:30:00,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:30:00,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:30:00,793 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/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 [2020-11-30 00:30:00,829 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 [2020-11-30 00:30:00,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:30:00,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:30:00,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:30:00,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:30:00,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:30:00,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:30:00,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:30:00,833 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/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 [2020-11-30 00:30:00,857 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 [2020-11-30 00:30:00,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:30:00,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:30:00,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:30:00,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:30:00,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:30:00,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:30:00,863 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:30:00,890 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 [2020-11-30 00:30:00,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:30:00,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:30:00,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:30:00,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:30:00,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-30 00:30:00,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-30 00:30:00,916 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 00:30:00,927 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-11-30 00:30:00,927 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/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 [2020-11-30 00:30:00,929 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-30 00:30:00,937 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-11-30 00:30:00,937 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 00:30:00,937 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_f_~y~0.base) ULTIMATE.start_f_~y~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_f_~y~0.base) ULTIMATE.start_f_~y~0.offset)_2 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_f_~d_ref~0.base) ULTIMATE.start_f_~d_ref~0.offset)_2 - 2 >= 0] [2020-11-30 00:30:01,428 INFO L297 tatePredicateManager]: 61 out of 64 supporting invariants were superfluous and have been removed [2020-11-30 00:30:01,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 00:30:01,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:01,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 20 conjunts are in the unsatisfiable core [2020-11-30 00:30:01,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:30:01,719 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:30:01,720 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 101 [2020-11-30 00:30:01,722 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 00:30:01,724 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:30:01,724 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,732 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 00:30:01,733 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 00:30:01,734 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:30:01,734 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,739 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 00:30:01,740 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 00:30:01,741 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:30:01,741 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,748 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 00:30:01,749 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:30:01,750 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,753 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:30:01,754 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,755 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:30:01,756 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,756 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,762 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,763 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,765 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,768 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,768 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,769 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,771 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,772 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,774 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,776 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-30 00:30:01,776 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,779 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,785 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,786 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,788 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,790 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,791 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,791 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,797 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,799 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,803 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,804 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,806 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,810 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,813 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-30 00:30:01,815 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,816 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,818 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,831 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-30 00:30:01,832 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,833 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,835 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,845 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,846 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,846 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,849 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,851 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,853 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-30 00:30:01,854 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,856 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,860 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,868 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-11-30 00:30:01,869 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,871 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:01,874 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:30:01,936 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:30:01,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 00:30:01,968 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 36 [2020-11-30 00:30:01,969 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 00:30:02,051 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:30:02,061 INFO L545 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2020-11-30 00:30:02,061 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 10 variables, input treesize:309, output treesize:80 [2020-11-30 00:30:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:02,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-30 00:30:02,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:30:02,226 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:02,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:30:02,307 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-11-30 00:30:02,307 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8 Second operand 6 states. [2020-11-30 00:30:02,576 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8. Second operand 6 states. Result 37 states and 44 transitions. Complement of second has 10 states. [2020-11-30 00:30:02,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-30 00:30:02,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-30 00:30:02,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2020-11-30 00:30:02,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 4 letters. [2020-11-30 00:30:02,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:30:02,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 10 letters. Loop has 4 letters. [2020-11-30 00:30:02,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:30:02,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 8 letters. [2020-11-30 00:30:02,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:30:02,580 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 44 transitions. [2020-11-30 00:30:02,581 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2020-11-30 00:30:02,583 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 36 states and 43 transitions. [2020-11-30 00:30:02,583 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2020-11-30 00:30:02,583 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2020-11-30 00:30:02,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 43 transitions. [2020-11-30 00:30:02,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-30 00:30:02,583 INFO L691 BuchiCegarLoop]: Abstraction has 36 states and 43 transitions. [2020-11-30 00:30:02,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 43 transitions. [2020-11-30 00:30:02,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2020-11-30 00:30:02,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-30 00:30:02,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2020-11-30 00:30:02,587 INFO L714 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2020-11-30 00:30:02,587 INFO L594 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2020-11-30 00:30:02,587 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-30 00:30:02,587 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 42 transitions. [2020-11-30 00:30:02,588 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2020-11-30 00:30:02,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:30:02,588 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:30:02,589 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:30:02,589 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-30 00:30:02,589 INFO L794 eck$LassoCheckResult]: Stem: 881#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 880#L-1 havoc main_#res;havoc main_#t~nondet21; 866#L578 assume 0 != main_#t~nondet21;havoc main_#t~nondet21;f_#in~d := 1;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 859#L558 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 860#L562-2 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 885#L562 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem8;havoc f_#t~mem9; 886#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 872#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 873#L566-2 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem11;havoc f_#t~mem12; 867#L567 assume 0 != f_#t~nondet14;havoc f_#t~nondet14; 861#L568 [2020-11-30 00:30:02,590 INFO L796 eck$LassoCheckResult]: Loop: 861#L568 call f_#t~mem15 := read~int(f_~x~0.base, f_~x~0.offset, 4);call f_#t~mem16 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem15 - f_#t~mem16, f_~x~0.base, f_~x~0.offset, 4);havoc f_#t~mem15;havoc f_#t~mem16;call write~int(f_#t~nondet17, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~nondet17;call f_#t~mem18 := read~int(f_~z~0.base, f_~z~0.offset, 4);call write~int(f_#t~mem18 - 1, f_~z~0.base, f_~z~0.offset, 4);havoc f_#t~mem18; 862#L567-2 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 876#L566 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 893#L566-2 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem11;havoc f_#t~mem12; 892#L567 assume 0 != f_#t~nondet14;havoc f_#t~nondet14; 861#L568 [2020-11-30 00:30:02,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:02,590 INFO L82 PathProgramCache]: Analyzing trace with hash -260778639, now seen corresponding path program 1 times [2020-11-30 00:30:02,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:02,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620435382] [2020-11-30 00:30:02,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:30:02,633 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:30:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:30:02,657 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:30:02,661 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:30:02,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:02,666 INFO L82 PathProgramCache]: Analyzing trace with hash 69174960, now seen corresponding path program 1 times [2020-11-30 00:30:02,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:02,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274967013] [2020-11-30 00:30:02,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:30:02,674 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:30:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:30:02,687 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:30:02,693 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:30:02,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:02,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1938200384, now seen corresponding path program 1 times [2020-11-30 00:30:02,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:02,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220119952] [2020-11-30 00:30:02,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:02,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:30:02,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220119952] [2020-11-30 00:30:02,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023540828] [2020-11-30 00:30:02,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:30:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:03,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2020-11-30 00:30:03,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:30:03,137 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:30:03,138 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 101 [2020-11-30 00:30:03,139 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 00:30:03,140 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:30:03,142 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:03,145 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:30:03,206 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:30:03,216 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 36 [2020-11-30 00:30:03,217 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 00:30:03,276 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:30:03,278 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-30 00:30:03,278 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:305, output treesize:76 [2020-11-30 00:30:03,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 00:30:03,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 00:30:03,624 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 57 [2020-11-30 00:30:03,626 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:30:03,691 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:30:03,711 INFO L545 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-11-30 00:30:03,712 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:237, output treesize:63 [2020-11-30 00:30:03,767 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:03,785 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:03,801 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:03,817 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:03,836 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:03,852 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:03,872 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:03,887 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:03,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:30:03,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 00:30:03,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2020-11-30 00:30:03,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051192350] [2020-11-30 00:30:04,203 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2020-11-30 00:30:04,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:30:04,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 00:30:04,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-11-30 00:30:04,320 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. cyclomatic complexity: 11 Second operand 8 states. [2020-11-30 00:30:04,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:30:04,694 INFO L93 Difference]: Finished difference Result 63 states and 68 transitions. [2020-11-30 00:30:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-30 00:30:04,695 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 68 transitions. [2020-11-30 00:30:04,696 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2020-11-30 00:30:04,697 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 45 states and 50 transitions. [2020-11-30 00:30:04,697 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2020-11-30 00:30:04,697 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2020-11-30 00:30:04,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 50 transitions. [2020-11-30 00:30:04,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-30 00:30:04,698 INFO L691 BuchiCegarLoop]: Abstraction has 45 states and 50 transitions. [2020-11-30 00:30:04,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 50 transitions. [2020-11-30 00:30:04,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 39. [2020-11-30 00:30:04,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-11-30 00:30:04,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2020-11-30 00:30:04,701 INFO L714 BuchiCegarLoop]: Abstraction has 39 states and 44 transitions. [2020-11-30 00:30:04,701 INFO L594 BuchiCegarLoop]: Abstraction has 39 states and 44 transitions. [2020-11-30 00:30:04,701 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-11-30 00:30:04,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 44 transitions. [2020-11-30 00:30:04,702 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2020-11-30 00:30:04,702 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:30:04,702 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:30:04,702 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:30:04,702 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-11-30 00:30:04,703 INFO L794 eck$LassoCheckResult]: Stem: 1047#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1046#L-1 havoc main_#res;havoc main_#t~nondet21; 1029#L578 assume !(0 != main_#t~nondet21);havoc main_#t~nondet21;f_#in~d := 2;havoc f_#t~malloc2.base, f_#t~malloc2.offset, f_#t~malloc3.base, f_#t~malloc3.offset, f_#t~malloc4.base, f_#t~malloc4.offset, f_#t~malloc5.base, f_#t~malloc5.offset, f_#t~malloc6.base, f_#t~malloc6.offset, f_#t~mem7, f_#t~mem10, f_#t~mem8, f_#t~mem9, f_#t~nondet14, f_#t~mem15, f_#t~mem16, f_#t~nondet17, f_#t~mem18, f_#t~mem19, f_#t~mem20, f_#t~mem11, f_#t~mem12, f_#t~short13, f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, f_~x~0.base, f_~x~0.offset, f_~y~0.base, f_~y~0.offset, f_~k~0.base, f_~k~0.offset, f_~z~0.base, f_~z~0.offset;f_~d := f_#in~d;call f_#t~malloc2.base, f_#t~malloc2.offset := #Ultimate.allocOnStack(4);f_~d_ref~0.base, f_~d_ref~0.offset := f_#t~malloc2.base, f_#t~malloc2.offset;call f_#t~malloc3.base, f_#t~malloc3.offset := #Ultimate.allocOnStack(4);f_~x~0.base, f_~x~0.offset := f_#t~malloc3.base, f_#t~malloc3.offset;call f_#t~malloc4.base, f_#t~malloc4.offset := #Ultimate.allocOnStack(4);f_~y~0.base, f_~y~0.offset := f_#t~malloc4.base, f_#t~malloc4.offset;call f_#t~malloc5.base, f_#t~malloc5.offset := #Ultimate.allocOnStack(4);f_~k~0.base, f_~k~0.offset := f_#t~malloc5.base, f_#t~malloc5.offset;call f_#t~malloc6.base, f_#t~malloc6.offset := #Ultimate.allocOnStack(4);f_~z~0.base, f_~z~0.offset := f_#t~malloc6.base, f_#t~malloc6.offset;call write~int(f_~d, f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(1, f_~x~0.base, f_~x~0.offset, 4);call write~int(1, f_~y~0.base, f_~y~0.offset, 4);call write~int(1, f_~k~0.base, f_~k~0.offset, 4);call write~int(1, f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem7 := read~int(f_~k~0.base, f_~k~0.offset, 4); 1026#L558-1 assume !(f_#t~mem7 > 1073741823);havoc f_#t~mem7; 1027#L562-5 call f_#t~mem8 := read~int(f_~z~0.base, f_~z~0.offset, 4);call f_#t~mem9 := read~int(f_~k~0.base, f_~k~0.offset, 4); 1028#L562-3 assume !(f_#t~mem8 < f_#t~mem9);havoc f_#t~mem8;havoc f_#t~mem9; 1048#L567-5 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 1049#L566-5 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 1053#L566-7 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem11;havoc f_#t~mem12; 1044#L567-3 assume !(0 != f_#t~nondet14);havoc f_#t~nondet14;call f_#t~mem19 := read~int(f_~y~0.base, f_~y~0.offset, 4);call f_#t~mem20 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem19 - f_#t~mem20, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~mem19;havoc f_#t~mem20; 1045#L567-5 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 1050#L566-5 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 1052#L566-7 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem11;havoc f_#t~mem12; 1043#L567-3 assume 0 != f_#t~nondet14;havoc f_#t~nondet14; 1033#L568-1 [2020-11-30 00:30:04,703 INFO L796 eck$LassoCheckResult]: Loop: 1033#L568-1 call f_#t~mem15 := read~int(f_~x~0.base, f_~x~0.offset, 4);call f_#t~mem16 := read~int(f_~d_ref~0.base, f_~d_ref~0.offset, 4);call write~int(f_#t~mem15 - f_#t~mem16, f_~x~0.base, f_~x~0.offset, 4);havoc f_#t~mem15;havoc f_#t~mem16;call write~int(f_#t~nondet17, f_~y~0.base, f_~y~0.offset, 4);havoc f_#t~nondet17;call f_#t~mem18 := read~int(f_~z~0.base, f_~z~0.offset, 4);call write~int(f_#t~mem18 - 1, f_~z~0.base, f_~z~0.offset, 4);havoc f_#t~mem18; 1034#L567-5 call f_#t~mem11 := read~int(f_~x~0.base, f_~x~0.offset, 4);f_#t~short13 := f_#t~mem11 > 0; 1056#L566-5 assume f_#t~short13;call f_#t~mem12 := read~int(f_~y~0.base, f_~y~0.offset, 4);f_#t~short13 := f_#t~mem12 > 0; 1055#L566-7 assume !!f_#t~short13;havoc f_#t~short13;havoc f_#t~mem11;havoc f_#t~mem12; 1054#L567-3 assume 0 != f_#t~nondet14;havoc f_#t~nondet14; 1033#L568-1 [2020-11-30 00:30:04,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:04,703 INFO L82 PathProgramCache]: Analyzing trace with hash 122778203, now seen corresponding path program 1 times [2020-11-30 00:30:04,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:04,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541917899] [2020-11-30 00:30:04,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:30:04,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541917899] [2020-11-30 00:30:04,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233193885] [2020-11-30 00:30:04,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00b22b30-b974-4338-b305-b6932876234d/bin/uautomizer/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:30:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:04,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 27 conjunts are in the unsatisfiable core [2020-11-30 00:30:04,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:30:05,061 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:30:05,062 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 101 [2020-11-30 00:30:05,063 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 00:30:05,064 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:30:05,066 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:05,068 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:30:05,129 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:30:05,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 00:30:05,140 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 36 [2020-11-30 00:30:05,140 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 00:30:05,176 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:30:05,204 INFO L545 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-11-30 00:30:05,204 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:305, output treesize:76 [2020-11-30 00:30:05,448 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2020-11-30 00:30:05,449 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:30:05,512 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:30:05,536 INFO L545 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 1 xjuncts. [2020-11-30 00:30:05,536 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:99, output treesize:84 [2020-11-30 00:30:05,651 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:30:05,657 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 00:30:05,676 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 00:30:05,691 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 00:30:05,707 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 00:30:05,724 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 00:30:05,739 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 00:30:05,756 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 00:30:05,771 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 00:30:05,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:30:05,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 00:30:05,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-11-30 00:30:05,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432070531] [2020-11-30 00:30:05,893 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 00:30:05,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:05,894 INFO L82 PathProgramCache]: Analyzing trace with hash 114981600, now seen corresponding path program 1 times [2020-11-30 00:30:05,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:05,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619738540] [2020-11-30 00:30:05,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:30:05,906 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:30:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:30:05,914 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:30:05,920 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:30:06,157 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2020-11-30 00:30:06,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:30:06,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 00:30:06,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:30:06,226 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. cyclomatic complexity: 9 Second operand 7 states. [2020-11-30 00:30:06,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:30:06,398 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2020-11-30 00:30:06,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 00:30:06,399 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 24 transitions. [2020-11-30 00:30:06,399 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:30:06,400 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2020-11-30 00:30:06,400 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 00:30:06,400 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 00:30:06,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 00:30:06,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:30:06,400 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:30:06,400 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:30:06,400 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:30:06,400 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-11-30 00:30:06,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:30:06,401 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:30:06,401 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 00:30:06,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 12:30:06 BoogieIcfgContainer [2020-11-30 00:30:06,407 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 00:30:06,407 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:30:06,407 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:30:06,408 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:30:06,408 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:29:43" (3/4) ... [2020-11-30 00:30:06,411 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:30:06,412 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:30:06,412 INFO L168 Benchmark]: Toolchain (without parser) took 24214.99 ms. Allocated memory was 92.3 MB in the beginning and 234.9 MB in the end (delta: 142.6 MB). Free memory was 61.0 MB in the beginning and 142.7 MB in the end (delta: -81.7 MB). Peak memory consumption was 60.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:06,413 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 92.3 MB. Free memory is still 52.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:30:06,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 516.74 ms. Allocated memory is still 92.3 MB. Free memory was 60.8 MB in the beginning and 58.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:06,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.20 ms. Allocated memory is still 92.3 MB. Free memory was 58.5 MB in the beginning and 56.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:06,414 INFO L168 Benchmark]: Boogie Preprocessor took 53.41 ms. Allocated memory is still 92.3 MB. Free memory was 56.4 MB in the beginning and 55.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:30:06,415 INFO L168 Benchmark]: RCFGBuilder took 799.02 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 54.9 MB in the beginning and 74.3 MB in the end (delta: -19.5 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:06,415 INFO L168 Benchmark]: BuchiAutomizer took 22756.94 ms. Allocated memory was 111.1 MB in the beginning and 234.9 MB in the end (delta: 123.7 MB). Free memory was 74.3 MB in the beginning and 143.7 MB in the end (delta: -69.3 MB). Peak memory consumption was 54.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:06,416 INFO L168 Benchmark]: Witness Printer took 4.37 ms. Allocated memory is still 234.9 MB. Free memory was 143.7 MB in the beginning and 142.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:30:06,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 92.3 MB. Free memory is still 52.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 516.74 ms. Allocated memory is still 92.3 MB. Free memory was 60.8 MB in the beginning and 58.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.20 ms. Allocated memory is still 92.3 MB. Free memory was 58.5 MB in the beginning and 56.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.41 ms. Allocated memory is still 92.3 MB. Free memory was 56.4 MB in the beginning and 55.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 799.02 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 54.9 MB in the beginning and 74.3 MB in the end (delta: -19.5 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 22756.94 ms. Allocated memory was 111.1 MB in the beginning and 234.9 MB in the end (delta: 123.7 MB). Free memory was 74.3 MB in the beginning and 143.7 MB in the end (delta: -69.3 MB). Peak memory consumption was 54.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.37 ms. Allocated memory is still 234.9 MB. Free memory was 143.7 MB in the beginning and 142.7 MB in the end (delta: 1.0 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (4 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 6 locations. 4 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 22.6s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 17.4s. Construction of modules took 2.5s. Büchi inclusion checks took 2.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 39 states and ocurred in iteration 5. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 98 SDtfs, 94 SDslu, 121 SDs, 0 SdLazy, 206 SolverSat, 30 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.5s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital546 mio100 ax103 hnf100 lsp94 ukn44 mio100 lsp37 div100 bol100 ite100 ukn100 eq198 hnf87 smp98 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms 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...