./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c -s /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d91701eebdfdecedc9970dee0ff0bf466be0caef ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:13:59,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:13:59,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:13:59,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:13:59,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:13:59,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:13:59,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:13:59,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:13:59,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:13:59,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:13:59,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:13:59,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:13:59,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:13:59,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:13:59,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:13:59,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:13:59,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:13:59,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:13:59,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:13:59,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:13:59,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:13:59,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:13:59,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:13:59,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:13:59,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:13:59,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:13:59,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:13:59,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:13:59,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:13:59,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:13:59,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:13:59,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:13:59,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:13:59,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:13:59,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:13:59,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:13:59,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:13:59,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:13:59,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:13:59,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:13:59,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:13:59,755 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:13:59,807 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:13:59,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:13:59,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:13:59,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:13:59,810 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:13:59,811 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:13:59,811 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:13:59,811 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:13:59,811 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:13:59,812 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:13:59,813 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:13:59,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:13:59,813 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:13:59,814 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:13:59,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:13:59,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:13:59,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:13:59,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:13:59,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:13:59,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:13:59,815 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:13:59,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:13:59,816 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:13:59,816 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:13:59,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:13:59,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:13:59,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:13:59,817 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:13:59,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:13:59,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:13:59,819 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:13:59,819 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:13:59,822 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:13:59,822 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_909c3e28-4a84-4461-8746-7043d3b75dda/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d91701eebdfdecedc9970dee0ff0bf466be0caef [2020-11-28 03:14:00,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:14:00,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:14:00,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:14:00,118 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:14:00,119 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:14:00,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c [2020-11-28 03:14:00,211 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/data/80ee56707/e689ebf34e3e472abac0491cd0060b35/FLAG07d48b54e [2020-11-28 03:14:00,757 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:14:00,760 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c [2020-11-28 03:14:00,780 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/data/80ee56707/e689ebf34e3e472abac0491cd0060b35/FLAG07d48b54e [2020-11-28 03:14:01,071 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/data/80ee56707/e689ebf34e3e472abac0491cd0060b35 [2020-11-28 03:14:01,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:14:01,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:14:01,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:01,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:14:01,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:14:01,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:01" (1/1) ... [2020-11-28 03:14:01,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@272d24dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:01, skipping insertion in model container [2020-11-28 03:14:01,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:01" (1/1) ... [2020-11-28 03:14:01,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:14:01,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:14:01,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:01,389 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:14:01,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:01,508 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:14:01,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:01 WrapperNode [2020-11-28 03:14:01,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:01,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:14:01,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:14:01,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:14:01,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:01" (1/1) ... [2020-11-28 03:14:01,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:01" (1/1) ... [2020-11-28 03:14:01,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:14:01,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:14:01,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:14:01,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:14:01,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:01" (1/1) ... [2020-11-28 03:14:01,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:01" (1/1) ... [2020-11-28 03:14:01,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:01" (1/1) ... [2020-11-28 03:14:01,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:01" (1/1) ... [2020-11-28 03:14:01,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:01" (1/1) ... [2020-11-28 03:14:01,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:01" (1/1) ... [2020-11-28 03:14:01,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:01" (1/1) ... [2020-11-28 03:14:01,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:14:01,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:14:01,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:14:01,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:14:01,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:14:01,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:14:01,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:14:01,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:14:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:14:02,777 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:14:02,777 INFO L298 CfgBuilder]: Removed 21 assume(true) statements. [2020-11-28 03:14:02,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:02 BoogieIcfgContainer [2020-11-28 03:14:02,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:14:02,780 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:14:02,780 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:14:02,792 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:14:02,792 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:14:02,793 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:14:01" (1/3) ... [2020-11-28 03:14:02,794 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24ec151e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:14:02, skipping insertion in model container [2020-11-28 03:14:02,794 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:14:02,794 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:01" (2/3) ... [2020-11-28 03:14:02,795 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24ec151e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:14:02, skipping insertion in model container [2020-11-28 03:14:02,795 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:14:02,795 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:02" (3/3) ... [2020-11-28 03:14:02,796 INFO L373 chiAutomizerObserver]: Analyzing ICFG pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c [2020-11-28 03:14:02,859 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:14:02,860 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:14:02,860 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:14:02,860 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:14:02,860 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:14:02,860 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:14:02,861 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:14:02,861 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:14:02,877 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 143 states. [2020-11-28 03:14:02,905 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 79 [2020-11-28 03:14:02,905 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:14:02,905 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:14:02,915 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:02,915 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:02,915 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:14:02,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 143 states. [2020-11-28 03:14:02,924 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 79 [2020-11-28 03:14:02,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:14:02,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:14:02,927 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:02,927 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:02,935 INFO L794 eck$LassoCheckResult]: Stem: 106#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(43);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset]; 14#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet13;havoc main_#t~nondet13;~ep13~0 := main_#t~nondet14;havoc main_#t~nondet14;~ep21~0 := main_#t~nondet15;havoc main_#t~nondet15;~ep23~0 := main_#t~nondet16;havoc main_#t~nondet16;~ep31~0 := main_#t~nondet17;havoc main_#t~nondet17;~ep32~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~r1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~nl1~0 := main_#t~nondet22;havoc main_#t~nondet22;~m1~0 := main_#t~nondet23;havoc main_#t~nondet23;~max1~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode1~0 := main_#t~nondet25;havoc main_#t~nondet25;~newmax1~0 := main_#t~nondet26;havoc main_#t~nondet26;~id2~0 := main_#t~nondet27;havoc main_#t~nondet27;~r2~0 := main_#t~nondet28;havoc main_#t~nondet28;~st2~0 := main_#t~nondet29;havoc main_#t~nondet29;~nl2~0 := main_#t~nondet30;havoc main_#t~nondet30;~m2~0 := main_#t~nondet31;havoc main_#t~nondet31;~max2~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode2~0 := main_#t~nondet33;havoc main_#t~nondet33;~newmax2~0 := main_#t~nondet34;havoc main_#t~nondet34;~id3~0 := main_#t~nondet35;havoc main_#t~nondet35;~r3~0 := main_#t~nondet36;havoc main_#t~nondet36;~st3~0 := main_#t~nondet37;havoc main_#t~nondet37;~nl3~0 := main_#t~nondet38;havoc main_#t~nondet38;~m3~0 := main_#t~nondet39;havoc main_#t~nondet39;~max3~0 := main_#t~nondet40;havoc main_#t~nondet40;~mode3~0 := main_#t~nondet41;havoc main_#t~nondet41;~newmax3~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r211~0, init_~r231~0, init_~r311~0, init_~r321~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r212~0, init_~tmp___1~0, init_~r232~0, init_~tmp___2~0, init_~r312~0, init_~tmp___3~0, init_~r322~0, init_~tmp___4~0, init_~tmp___5~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r212~0;havoc init_~tmp___1~0;havoc init_~r232~0;havoc init_~tmp___2~0;havoc init_~r312~0;havoc init_~tmp___3~0;havoc init_~r322~0;havoc init_~tmp___4~0;havoc init_~tmp___5~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0; 90#L259true assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 58#L262-1true init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 112#L272true assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 102#L275-1true init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 11#L285true assume 0 != init_~r211~0 % 256;init_~tmp___1~0 := 1; 15#L288-1true init_~r212~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 63#L298true assume 0 != init_~r231~0 % 256;init_~tmp___2~0 := 1; 53#L301-1true init_~r232~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 100#L311true assume 0 != init_~r311~0 % 256;init_~tmp___3~0 := 1; 73#L314-1true init_~r312~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 129#L324true assume 0 != init_~r321~0 % 256;init_~tmp___4~0 := 1; 127#L327-1true init_~r322~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 37#L337true assume !(~id1~0 != ~id2~0);init_~tmp___5~0 := 0; 40#L337-1true init_#res := init_~tmp___5~0; 47#L458true main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 17#L21true assume !(0 == assume_abort_if_not_~cond); 49#L20true ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0 := 0; 133#L569-2true [2020-11-28 03:14:02,935 INFO L796 eck$LassoCheckResult]: Loop: 133#L569-2true assume !!(main_~i2~0 < 6);havoc node1_#t~ite7, node1_#t~ite8, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 114#L82true assume !(0 != ~mode1~0 % 256); 109#L110true assume !(~r1~0 < 1); 108#L110-1true ~mode1~0 := 1; 113#L82-2true havoc node2_#t~ite9, node2_#t~ite10, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 45#L133true assume !(0 != ~mode2~0 % 256); 34#L161true assume !(~r2~0 < 2); 33#L161-1true ~mode2~0 := 1; 56#L133-2true havoc node3_#t~ite11, node3_#t~ite12, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 128#L184true assume !(0 != ~mode3~0 % 256); 81#L212true assume !(~r3~0 < 2); 80#L212-1true ~mode3~0 := 1; 121#L184-2true ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 52#L466true assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1 := 0; 54#L466-1true check_#res := check_~tmp~1; 132#L514true main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 9#L599true assume !(0 == assert_~arg % 256); 124#L594true main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 133#L569-2true [2020-11-28 03:14:02,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:02,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1744745224, now seen corresponding path program 1 times [2020-11-28 03:14:02,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:02,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248720354] [2020-11-28 03:14:02,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:03,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:03,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248720354] [2020-11-28 03:14:03,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:03,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:14:03,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438369522] [2020-11-28 03:14:03,237 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:14:03,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:03,239 INFO L82 PathProgramCache]: Analyzing trace with hash 339208178, now seen corresponding path program 1 times [2020-11-28 03:14:03,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:03,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115792308] [2020-11-28 03:14:03,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:03,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:03,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115792308] [2020-11-28 03:14:03,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:03,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:14:03,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82081443] [2020-11-28 03:14:03,389 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 03:14:03,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:03,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:14:03,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:14:03,411 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 5 states. [2020-11-28 03:14:03,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:03,575 INFO L93 Difference]: Finished difference Result 146 states and 247 transitions. [2020-11-28 03:14:03,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:14:03,577 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 146 states and 247 transitions. [2020-11-28 03:14:03,583 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2020-11-28 03:14:03,589 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 146 states to 137 states and 231 transitions. [2020-11-28 03:14:03,590 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 137 [2020-11-28 03:14:03,591 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 137 [2020-11-28 03:14:03,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 231 transitions. [2020-11-28 03:14:03,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:14:03,593 INFO L691 BuchiCegarLoop]: Abstraction has 137 states and 231 transitions. [2020-11-28 03:14:03,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 231 transitions. [2020-11-28 03:14:03,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-11-28 03:14:03,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-11-28 03:14:03,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 231 transitions. [2020-11-28 03:14:03,636 INFO L714 BuchiCegarLoop]: Abstraction has 137 states and 231 transitions. [2020-11-28 03:14:03,636 INFO L594 BuchiCegarLoop]: Abstraction has 137 states and 231 transitions. [2020-11-28 03:14:03,636 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:14:03,636 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 231 transitions. [2020-11-28 03:14:03,640 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2020-11-28 03:14:03,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:14:03,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:14:03,642 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:03,642 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:03,642 INFO L794 eck$LassoCheckResult]: Stem: 438#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(43);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset]; 334#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet13;havoc main_#t~nondet13;~ep13~0 := main_#t~nondet14;havoc main_#t~nondet14;~ep21~0 := main_#t~nondet15;havoc main_#t~nondet15;~ep23~0 := main_#t~nondet16;havoc main_#t~nondet16;~ep31~0 := main_#t~nondet17;havoc main_#t~nondet17;~ep32~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~r1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~nl1~0 := main_#t~nondet22;havoc main_#t~nondet22;~m1~0 := main_#t~nondet23;havoc main_#t~nondet23;~max1~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode1~0 := main_#t~nondet25;havoc main_#t~nondet25;~newmax1~0 := main_#t~nondet26;havoc main_#t~nondet26;~id2~0 := main_#t~nondet27;havoc main_#t~nondet27;~r2~0 := main_#t~nondet28;havoc main_#t~nondet28;~st2~0 := main_#t~nondet29;havoc main_#t~nondet29;~nl2~0 := main_#t~nondet30;havoc main_#t~nondet30;~m2~0 := main_#t~nondet31;havoc main_#t~nondet31;~max2~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode2~0 := main_#t~nondet33;havoc main_#t~nondet33;~newmax2~0 := main_#t~nondet34;havoc main_#t~nondet34;~id3~0 := main_#t~nondet35;havoc main_#t~nondet35;~r3~0 := main_#t~nondet36;havoc main_#t~nondet36;~st3~0 := main_#t~nondet37;havoc main_#t~nondet37;~nl3~0 := main_#t~nondet38;havoc main_#t~nondet38;~m3~0 := main_#t~nondet39;havoc main_#t~nondet39;~max3~0 := main_#t~nondet40;havoc main_#t~nondet40;~mode3~0 := main_#t~nondet41;havoc main_#t~nondet41;~newmax3~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r211~0, init_~r231~0, init_~r311~0, init_~r321~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r212~0, init_~tmp___1~0, init_~r232~0, init_~tmp___2~0, init_~r312~0, init_~tmp___3~0, init_~r322~0, init_~tmp___4~0, init_~tmp___5~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r212~0;havoc init_~tmp___1~0;havoc init_~r232~0;havoc init_~tmp___2~0;havoc init_~r312~0;havoc init_~tmp___3~0;havoc init_~r322~0;havoc init_~tmp___4~0;havoc init_~tmp___5~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0; 335#L259 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 325#L262-1 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 400#L272 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 386#L275-1 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 326#L285 assume 0 != init_~r211~0 % 256;init_~tmp___1~0 := 1; 327#L288-1 init_~r212~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 336#L298 assume 0 != init_~r231~0 % 256;init_~tmp___2~0 := 1; 394#L301-1 init_~r232~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 395#L311 assume 0 != init_~r311~0 % 256;init_~tmp___3~0 := 1; 372#L314-1 init_~r312~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 416#L324 assume 0 != init_~r321~0 % 256;init_~tmp___4~0 := 1; 409#L327-1 init_~r322~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 369#L337 assume !(~id1~0 != ~id2~0);init_~tmp___5~0 := 0; 317#L337-1 init_#res := init_~tmp___5~0; 373#L458 main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 339#L21 assume !(0 == assume_abort_if_not_~cond); 340#L20 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0 := 0; 387#L569-2 [2020-11-28 03:14:03,642 INFO L796 eck$LassoCheckResult]: Loop: 387#L569-2 assume !!(main_~i2~0 < 6);havoc node1_#t~ite7, node1_#t~ite8, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 442#L82 assume !(0 != ~mode1~0 % 256); 440#L110 assume !(~r1~0 < 1); 359#L110-1 ~mode1~0 := 1; 439#L82-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 381#L133 assume !(0 != ~mode2~0 % 256); 362#L161 assume !(~r2~0 < 2); 351#L161-1 ~mode2~0 := 1; 361#L133-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 399#L184 assume !(0 != ~mode3~0 % 256); 426#L212 assume !(~r3~0 < 2); 314#L212-1 ~mode3~0 := 1; 425#L184-2 ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 392#L466 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 393#L467 assume ~st1~0 + ~nl1~0 <= 1; 427#L468 assume ~st2~0 + ~nl2~0 <= 1; 383#L469 assume ~st3~0 + ~nl3~0 <= 1; 384#L470 assume ~r1~0 >= 2; 412#L474 assume ~r1~0 < 2; 414#L479 assume ~r1~0 >= 2; 348#L484 assume ~r1~0 < 2;check_~tmp~1 := 1; 391#L466-1 check_#res := check_~tmp~1; 396#L514 main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 320#L599 assume !(0 == assert_~arg % 256); 321#L594 main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 387#L569-2 [2020-11-28 03:14:03,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:03,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1744745224, now seen corresponding path program 2 times [2020-11-28 03:14:03,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:03,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919107669] [2020-11-28 03:14:03,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:03,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:03,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919107669] [2020-11-28 03:14:03,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:03,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:14:03,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004087358] [2020-11-28 03:14:03,769 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:14:03,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:03,770 INFO L82 PathProgramCache]: Analyzing trace with hash -191057990, now seen corresponding path program 1 times [2020-11-28 03:14:03,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:03,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272865528] [2020-11-28 03:14:03,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:03,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:03,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272865528] [2020-11-28 03:14:03,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:03,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:14:03,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060582814] [2020-11-28 03:14:03,828 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 03:14:03,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:03,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:14:03,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:14:03,829 INFO L87 Difference]: Start difference. First operand 137 states and 231 transitions. cyclomatic complexity: 95 Second operand 5 states. [2020-11-28 03:14:03,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:03,953 INFO L93 Difference]: Finished difference Result 140 states and 233 transitions. [2020-11-28 03:14:03,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:14:03,954 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 140 states and 233 transitions. [2020-11-28 03:14:03,958 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2020-11-28 03:14:03,962 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 140 states to 137 states and 201 transitions. [2020-11-28 03:14:03,963 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 137 [2020-11-28 03:14:03,964 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 137 [2020-11-28 03:14:03,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 201 transitions. [2020-11-28 03:14:03,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:14:03,968 INFO L691 BuchiCegarLoop]: Abstraction has 137 states and 201 transitions. [2020-11-28 03:14:03,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 201 transitions. [2020-11-28 03:14:03,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-11-28 03:14:03,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-11-28 03:14:03,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 201 transitions. [2020-11-28 03:14:03,987 INFO L714 BuchiCegarLoop]: Abstraction has 137 states and 201 transitions. [2020-11-28 03:14:03,989 INFO L594 BuchiCegarLoop]: Abstraction has 137 states and 201 transitions. [2020-11-28 03:14:03,989 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:14:03,989 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 201 transitions. [2020-11-28 03:14:03,991 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2020-11-28 03:14:03,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:14:03,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:14:03,995 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:03,997 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:03,998 INFO L794 eck$LassoCheckResult]: Stem: 728#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(43);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset]; 623#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet13;havoc main_#t~nondet13;~ep13~0 := main_#t~nondet14;havoc main_#t~nondet14;~ep21~0 := main_#t~nondet15;havoc main_#t~nondet15;~ep23~0 := main_#t~nondet16;havoc main_#t~nondet16;~ep31~0 := main_#t~nondet17;havoc main_#t~nondet17;~ep32~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~r1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~nl1~0 := main_#t~nondet22;havoc main_#t~nondet22;~m1~0 := main_#t~nondet23;havoc main_#t~nondet23;~max1~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode1~0 := main_#t~nondet25;havoc main_#t~nondet25;~newmax1~0 := main_#t~nondet26;havoc main_#t~nondet26;~id2~0 := main_#t~nondet27;havoc main_#t~nondet27;~r2~0 := main_#t~nondet28;havoc main_#t~nondet28;~st2~0 := main_#t~nondet29;havoc main_#t~nondet29;~nl2~0 := main_#t~nondet30;havoc main_#t~nondet30;~m2~0 := main_#t~nondet31;havoc main_#t~nondet31;~max2~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode2~0 := main_#t~nondet33;havoc main_#t~nondet33;~newmax2~0 := main_#t~nondet34;havoc main_#t~nondet34;~id3~0 := main_#t~nondet35;havoc main_#t~nondet35;~r3~0 := main_#t~nondet36;havoc main_#t~nondet36;~st3~0 := main_#t~nondet37;havoc main_#t~nondet37;~nl3~0 := main_#t~nondet38;havoc main_#t~nondet38;~m3~0 := main_#t~nondet39;havoc main_#t~nondet39;~max3~0 := main_#t~nondet40;havoc main_#t~nondet40;~mode3~0 := main_#t~nondet41;havoc main_#t~nondet41;~newmax3~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r211~0, init_~r231~0, init_~r311~0, init_~r321~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r212~0, init_~tmp___1~0, init_~r232~0, init_~tmp___2~0, init_~r312~0, init_~tmp___3~0, init_~r322~0, init_~tmp___4~0, init_~tmp___5~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r212~0;havoc init_~tmp___1~0;havoc init_~r232~0;havoc init_~tmp___2~0;havoc init_~r312~0;havoc init_~tmp___3~0;havoc init_~r322~0;havoc init_~tmp___4~0;havoc init_~tmp___5~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0; 624#L259 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 614#L262-1 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 690#L272 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 677#L275-1 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 615#L285 assume 0 != init_~r211~0 % 256;init_~tmp___1~0 := 1; 616#L288-1 init_~r212~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 625#L298 assume 0 != init_~r231~0 % 256;init_~tmp___2~0 := 1; 684#L301-1 init_~r232~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 685#L311 assume 0 != init_~r311~0 % 256;init_~tmp___3~0 := 1; 661#L314-1 init_~r312~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 706#L324 assume 0 != init_~r321~0 % 256;init_~tmp___4~0 := 1; 699#L327-1 init_~r322~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 658#L337 assume ~id1~0 != ~id2~0; 659#L338 assume ~id1~0 != ~id3~0; 697#L339 assume ~id2~0 != ~id3~0; 626#L340 assume ~id1~0 >= 0; 627#L341 assume ~id2~0 >= 0; 694#L342 assume ~id3~0 >= 0; 611#L343 assume 0 == ~r1~0; 612#L344 assume 0 == ~r2~0; 669#L345 assume 0 == ~r3~0; 670#L346 assume 0 != init_~r122~0 % 256; 723#L347 assume 0 != init_~r132~0 % 256; 655#L348 assume 0 != init_~r212~0 % 256; 656#L349 assume 0 != init_~r232~0 % 256; 696#L350 assume 0 != init_~r312~0 % 256; 645#L351 assume 0 != init_~r322~0 % 256; 646#L352 assume ~max1~0 == ~id1~0; 693#L353 assume ~max2~0 == ~id2~0; 607#L354 assume ~max3~0 == ~id3~0; 608#L355 assume 0 == ~st1~0; 667#L356 assume 0 == ~st2~0; 668#L357 assume 0 == ~st3~0; 722#L358 assume 0 == ~nl1~0; 653#L359 assume 0 == ~nl2~0; 654#L360 assume 0 == ~nl3~0; 695#L361 assume 0 == ~mode1~0 % 256; 642#L362 assume 0 == ~mode2~0 % 256; 643#L363 assume 0 == ~mode3~0 % 256; 692#L364 assume 0 != ~newmax1~0 % 256; 605#L365 assume 0 != ~newmax2~0 % 256; 606#L366 assume 0 != ~newmax3~0 % 256;init_~tmp___5~0 := 1; 662#L337-1 init_#res := init_~tmp___5~0; 663#L458 main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 628#L21 assume !(0 == assume_abort_if_not_~cond); 629#L20 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0 := 0; 675#L569-2 [2020-11-28 03:14:03,998 INFO L796 eck$LassoCheckResult]: Loop: 675#L569-2 assume !!(main_~i2~0 < 6);havoc node1_#t~ite7, node1_#t~ite8, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 732#L82 assume !(0 != ~mode1~0 % 256); 730#L110 assume !(~r1~0 < 1); 648#L110-1 ~mode1~0 := 1; 729#L82-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 671#L133 assume !(0 != ~mode2~0 % 256); 651#L161 assume !(~r2~0 < 2); 640#L161-1 ~mode2~0 := 1; 650#L133-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 689#L184 assume !(0 != ~mode3~0 % 256); 716#L212 assume !(~r3~0 < 2); 604#L212-1 ~mode3~0 := 1; 715#L184-2 ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 682#L466 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 683#L467 assume ~st1~0 + ~nl1~0 <= 1; 717#L468 assume ~st2~0 + ~nl2~0 <= 1; 673#L469 assume ~st3~0 + ~nl3~0 <= 1; 674#L470 assume ~r1~0 >= 2; 702#L474 assume ~r1~0 < 2; 704#L479 assume ~r1~0 >= 2; 637#L484 assume ~r1~0 < 2;check_~tmp~1 := 1; 681#L466-1 check_#res := check_~tmp~1; 686#L514 main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 609#L599 assume !(0 == assert_~arg % 256); 610#L594 main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 675#L569-2 [2020-11-28 03:14:03,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:03,999 INFO L82 PathProgramCache]: Analyzing trace with hash 431062094, now seen corresponding path program 1 times [2020-11-28 03:14:04,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:04,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277217980] [2020-11-28 03:14:04,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:04,098 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:04,162 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:04,205 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:14:04,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:04,206 INFO L82 PathProgramCache]: Analyzing trace with hash -191057990, now seen corresponding path program 2 times [2020-11-28 03:14:04,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:04,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019548651] [2020-11-28 03:14:04,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:04,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:04,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019548651] [2020-11-28 03:14:04,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:04,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:14:04,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336175487] [2020-11-28 03:14:04,238 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 03:14:04,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:04,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:04,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:04,239 INFO L87 Difference]: Start difference. First operand 137 states and 201 transitions. cyclomatic complexity: 65 Second operand 3 states. [2020-11-28 03:14:04,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:04,342 INFO L93 Difference]: Finished difference Result 195 states and 288 transitions. [2020-11-28 03:14:04,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:04,345 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 195 states and 288 transitions. [2020-11-28 03:14:04,347 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 135 [2020-11-28 03:14:04,350 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 195 states to 195 states and 288 transitions. [2020-11-28 03:14:04,350 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 195 [2020-11-28 03:14:04,351 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 195 [2020-11-28 03:14:04,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 195 states and 288 transitions. [2020-11-28 03:14:04,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:14:04,353 INFO L691 BuchiCegarLoop]: Abstraction has 195 states and 288 transitions. [2020-11-28 03:14:04,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states and 288 transitions. [2020-11-28 03:14:04,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2020-11-28 03:14:04,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-11-28 03:14:04,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 288 transitions. [2020-11-28 03:14:04,376 INFO L714 BuchiCegarLoop]: Abstraction has 195 states and 288 transitions. [2020-11-28 03:14:04,376 INFO L594 BuchiCegarLoop]: Abstraction has 195 states and 288 transitions. [2020-11-28 03:14:04,376 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-28 03:14:04,376 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 195 states and 288 transitions. [2020-11-28 03:14:04,378 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 135 [2020-11-28 03:14:04,378 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:14:04,379 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:14:04,388 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:04,388 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:04,388 INFO L794 eck$LassoCheckResult]: Stem: 1072#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(43);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset]; 961#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet13;havoc main_#t~nondet13;~ep13~0 := main_#t~nondet14;havoc main_#t~nondet14;~ep21~0 := main_#t~nondet15;havoc main_#t~nondet15;~ep23~0 := main_#t~nondet16;havoc main_#t~nondet16;~ep31~0 := main_#t~nondet17;havoc main_#t~nondet17;~ep32~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~r1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~nl1~0 := main_#t~nondet22;havoc main_#t~nondet22;~m1~0 := main_#t~nondet23;havoc main_#t~nondet23;~max1~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode1~0 := main_#t~nondet25;havoc main_#t~nondet25;~newmax1~0 := main_#t~nondet26;havoc main_#t~nondet26;~id2~0 := main_#t~nondet27;havoc main_#t~nondet27;~r2~0 := main_#t~nondet28;havoc main_#t~nondet28;~st2~0 := main_#t~nondet29;havoc main_#t~nondet29;~nl2~0 := main_#t~nondet30;havoc main_#t~nondet30;~m2~0 := main_#t~nondet31;havoc main_#t~nondet31;~max2~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode2~0 := main_#t~nondet33;havoc main_#t~nondet33;~newmax2~0 := main_#t~nondet34;havoc main_#t~nondet34;~id3~0 := main_#t~nondet35;havoc main_#t~nondet35;~r3~0 := main_#t~nondet36;havoc main_#t~nondet36;~st3~0 := main_#t~nondet37;havoc main_#t~nondet37;~nl3~0 := main_#t~nondet38;havoc main_#t~nondet38;~m3~0 := main_#t~nondet39;havoc main_#t~nondet39;~max3~0 := main_#t~nondet40;havoc main_#t~nondet40;~mode3~0 := main_#t~nondet41;havoc main_#t~nondet41;~newmax3~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r211~0, init_~r231~0, init_~r311~0, init_~r321~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r212~0, init_~tmp___1~0, init_~r232~0, init_~tmp___2~0, init_~r312~0, init_~tmp___3~0, init_~r322~0, init_~tmp___4~0, init_~tmp___5~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r212~0;havoc init_~tmp___1~0;havoc init_~r232~0;havoc init_~tmp___2~0;havoc init_~r312~0;havoc init_~tmp___3~0;havoc init_~r322~0;havoc init_~tmp___4~0;havoc init_~tmp___5~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0; 962#L259 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 952#L262-1 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 1030#L272 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 1015#L275-1 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 953#L285 assume 0 != init_~r211~0 % 256;init_~tmp___1~0 := 1; 954#L288-1 init_~r212~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 963#L298 assume 0 != init_~r231~0 % 256;init_~tmp___2~0 := 1; 1023#L301-1 init_~r232~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 1024#L311 assume 0 != init_~r311~0 % 256;init_~tmp___3~0 := 1; 1000#L314-1 init_~r312~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 1045#L324 assume 0 != init_~r321~0 % 256;init_~tmp___4~0 := 1; 1039#L327-1 init_~r322~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 996#L337 assume ~id1~0 != ~id2~0; 997#L338 assume ~id1~0 != ~id3~0; 1037#L339 assume ~id2~0 != ~id3~0; 964#L340 assume ~id1~0 >= 0; 965#L341 assume ~id2~0 >= 0; 1034#L342 assume ~id3~0 >= 0; 947#L343 assume 0 == ~r1~0; 948#L344 assume 0 == ~r2~0; 1008#L345 assume 0 == ~r3~0; 1009#L346 assume 0 != init_~r122~0 % 256; 1063#L347 assume 0 != init_~r132~0 % 256; 994#L348 assume 0 != init_~r212~0 % 256; 995#L349 assume 0 != init_~r232~0 % 256; 1036#L350 assume 0 != init_~r312~0 % 256; 983#L351 assume 0 != init_~r322~0 % 256; 984#L352 assume ~max1~0 == ~id1~0; 1033#L353 assume ~max2~0 == ~id2~0; 945#L354 assume ~max3~0 == ~id3~0; 946#L355 assume 0 == ~st1~0; 1003#L356 assume 0 == ~st2~0; 1004#L357 assume 0 == ~st3~0; 1062#L358 assume 0 == ~nl1~0; 992#L359 assume 0 == ~nl2~0; 993#L360 assume 0 == ~nl3~0; 1035#L361 assume 0 == ~mode1~0 % 256; 980#L362 assume 0 == ~mode2~0 % 256; 981#L363 assume 0 == ~mode3~0 % 256; 1032#L364 assume 0 != ~newmax1~0 % 256; 943#L365 assume 0 != ~newmax2~0 % 256; 944#L366 assume 0 != ~newmax3~0 % 256;init_~tmp___5~0 := 1; 1001#L337-1 init_#res := init_~tmp___5~0; 1002#L458 main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 966#L21 assume !(0 == assume_abort_if_not_~cond); 967#L20 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0 := 0; 1016#L569-2 [2020-11-28 03:14:04,389 INFO L796 eck$LassoCheckResult]: Loop: 1016#L569-2 assume !!(main_~i2~0 < 6);havoc node1_#t~ite7, node1_#t~ite8, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 1088#L82 assume !(0 != ~mode1~0 % 256); 1087#L110 assume !(~r1~0 < 1); 987#L110-1 ~mode1~0 := 1; 1121#L82-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 1119#L133 assume !(0 != ~mode2~0 % 256); 1120#L161 assume !(~r2~0 < 2); 1110#L161-1 ~mode2~0 := 1; 1109#L133-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 1108#L184 assume !(0 != ~mode3~0 % 256); 1100#L212 assume !(~r3~0 < 2); 1096#L212-1 ~mode3~0 := 1; 1095#L184-2 ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 1021#L466 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 1022#L467 assume ~st1~0 + ~nl1~0 <= 1; 1056#L468 assume ~st2~0 + ~nl2~0 <= 1; 1057#L469 assume ~st3~0 + ~nl3~0 <= 1; 1091#L470 assume !(~r1~0 >= 2); 1076#L473 assume 0 == ~st1~0 + ~st2~0 + ~st3~0; 1077#L474 assume ~r1~0 < 2; 1089#L479 assume !(~r1~0 >= 2); 975#L483 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0; 976#L484 assume ~r1~0 < 2;check_~tmp~1 := 1; 1025#L466-1 check_#res := check_~tmp~1; 1026#L514 main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1084#L599 assume !(0 == assert_~arg % 256); 1090#L594 main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 1016#L569-2 [2020-11-28 03:14:04,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:04,389 INFO L82 PathProgramCache]: Analyzing trace with hash 431062094, now seen corresponding path program 2 times [2020-11-28 03:14:04,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:04,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611393136] [2020-11-28 03:14:04,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:04,471 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:04,548 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:04,594 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:14:04,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:04,595 INFO L82 PathProgramCache]: Analyzing trace with hash -2102521510, now seen corresponding path program 1 times [2020-11-28 03:14:04,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:04,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907189156] [2020-11-28 03:14:04,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:04,605 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:14:04,611 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:14:04,617 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:14:04,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:04,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1865528083, now seen corresponding path program 1 times [2020-11-28 03:14:04,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:04,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936531724] [2020-11-28 03:14:04,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:04,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:04,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936531724] [2020-11-28 03:14:04,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:04,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:14:04,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600394282] [2020-11-28 03:14:05,086 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 101 [2020-11-28 03:14:05,638 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2020-11-28 03:14:05,653 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:14:05,654 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:14:05,654 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:14:05,654 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:14:05,654 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:14:05,655 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:14:05,655 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:14:05,655 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:14:05,655 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c_Iteration4_Loop [2020-11-28 03:14:05,655 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:14:05,656 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:14:05,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:05,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,538 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-11-28 03:14:06,612 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:14:06,614 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/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 [2020-11-28 03:14:06,638 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:14:06,639 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/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 [2020-11-28 03:14:06,670 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:14:06,670 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:14:06,784 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:14:06,786 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:14:06,786 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:14:06,786 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:14:06,786 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:14:06,786 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:14:06,786 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:14:06,787 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:14:06,787 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:14:06,787 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c_Iteration4_Loop [2020-11-28 03:14:06,787 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:14:06,787 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:14:06,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:06,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:07,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:14:07,593 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:14:07,597 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:14:07,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:14:07,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:14:07,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:14:07,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:14:07,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:14:07,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:14:07,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:14:07,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:14:07,610 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:14:07,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:14:07,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:14:07,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:14:07,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:14:07,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:14:07,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:14:07,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:14:07,665 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:14:07,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:14:07,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:14:07,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:14:07,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:14:07,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:14:07,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:14:07,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:14:07,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:14:07,706 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:14:07,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:14:07,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:14:07,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:14:07,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:14:07,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:14:07,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:14:07,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:14:07,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:14:07,734 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:14:07,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:14:07,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:14:07,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:14:07,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:14:07,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:14:07,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:14:07,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:14:07,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:14:07,763 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/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) [2020-11-28 03:14:07,794 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:14:07,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:14:07,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:14:07,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:14:07,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:14:07,799 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:14:07,799 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:14:07,817 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:14:07,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:14:07,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:14:07,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:14:07,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:14:07,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:14:07,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:14:07,852 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:14:07,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:14:07,855 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:14:07,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:14:07,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:14:07,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:14:07,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:14:07,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:14:07,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:14:07,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:14:07,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:14:07,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:14:07,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:14:07,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:14:07,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:14:07,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:14:07,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:14:07,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:14:07,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:14:07,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:14:07,918 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:14:07,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:14:07,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:14:07,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:14:07,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:14:07,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:14:07,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:14:07,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:14:07,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:14:07,945 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:14:07,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:14:07,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:14:07,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:14:07,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:14:07,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:14:07,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:14:07,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:14:07,982 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:14:08,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:14:08,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:14:08,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:14:08,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:14:08,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:14:08,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:14:08,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:14:08,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:14:08,029 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:14:08,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:14:08,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:14:08,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:14:08,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:14:08,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:14:08,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:14:08,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:14:08,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:14:08,088 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:14:08,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:14:08,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:14:08,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:14:08,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:14:08,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:14:08,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:14:08,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:14:08,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:14:08,120 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:14:08,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:14:08,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:14:08,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:14:08,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:14:08,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:14:08,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:14:08,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:14:08,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:14:08,151 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:14:08,155 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:14:08,155 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_909c3e28-4a84-4461-8746-7043d3b75dda/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:14:08,161 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:14:08,161 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:14:08,162 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:14:08,162 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 11 Supporting invariants [] [2020-11-28 03:14:08,184 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:14:08,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:08,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:14:08,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:14:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:08,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:14:08,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:14:08,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:08,481 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-28 03:14:08,481 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 195 states and 288 transitions. cyclomatic complexity: 94 Second operand 3 states. [2020-11-28 03:14:08,540 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 195 states and 288 transitions. cyclomatic complexity: 94. Second operand 3 states. Result 329 states and 498 transitions. Complement of second has 4 states. [2020-11-28 03:14:08,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:14:08,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:14:08,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions. [2020-11-28 03:14:08,543 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 201 transitions. Stem has 48 letters. Loop has 27 letters. [2020-11-28 03:14:08,545 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:14:08,545 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 201 transitions. Stem has 75 letters. Loop has 27 letters. [2020-11-28 03:14:08,546 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:14:08,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 201 transitions. Stem has 48 letters. Loop has 54 letters. [2020-11-28 03:14:08,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:14:08,547 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 329 states and 498 transitions. [2020-11-28 03:14:08,551 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:14:08,551 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 329 states to 0 states and 0 transitions. [2020-11-28 03:14:08,551 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:14:08,551 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:14:08,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:14:08,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:14:08,552 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:14:08,552 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:14:08,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:08,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:08,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:08,552 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-11-28 03:14:08,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:08,553 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-28 03:14:08,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:14:08,553 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-28 03:14:08,553 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:14:08,553 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:14:08,553 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:14:08,553 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:14:08,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:14:08,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:14:08,554 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:14:08,554 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:14:08,554 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:14:08,554 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-28 03:14:08,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:14:08,554 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:14:08,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:14:08,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:14:08 BoogieIcfgContainer [2020-11-28 03:14:08,560 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:14:08,560 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:14:08,560 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:14:08,560 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:14:08,561 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:02" (3/4) ... [2020-11-28 03:14:08,564 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:14:08,564 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:14:08,565 INFO L168 Benchmark]: Toolchain (without parser) took 7489.80 ms. Allocated memory was 98.6 MB in the beginning and 151.0 MB in the end (delta: 52.4 MB). Free memory was 70.8 MB in the beginning and 64.9 MB in the end (delta: 5.9 MB). Peak memory consumption was 60.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:08,566 INFO L168 Benchmark]: CDTParser took 0.84 ms. Allocated memory is still 81.8 MB. Free memory is still 53.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:14:08,566 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.65 ms. Allocated memory is still 98.6 MB. Free memory was 70.6 MB in the beginning and 54.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:08,567 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.72 ms. Allocated memory is still 98.6 MB. Free memory was 54.3 MB in the beginning and 51.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:08,567 INFO L168 Benchmark]: Boogie Preprocessor took 85.77 ms. Allocated memory is still 98.6 MB. Free memory was 51.5 MB in the beginning and 49.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:08,568 INFO L168 Benchmark]: RCFGBuilder took 1110.26 ms. Allocated memory is still 98.6 MB. Free memory was 49.0 MB in the beginning and 36.1 MB in the end (delta: 12.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:08,569 INFO L168 Benchmark]: BuchiAutomizer took 5779.97 ms. Allocated memory was 98.6 MB in the beginning and 151.0 MB in the end (delta: 52.4 MB). Free memory was 36.1 MB in the beginning and 64.9 MB in the end (delta: -28.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:08,569 INFO L168 Benchmark]: Witness Printer took 3.97 ms. Allocated memory is still 151.0 MB. Free memory is still 64.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:14:08,572 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 ms. Allocated memory is still 81.8 MB. Free memory is still 53.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 428.65 ms. Allocated memory is still 98.6 MB. Free memory was 70.6 MB in the beginning and 54.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.72 ms. Allocated memory is still 98.6 MB. Free memory was 54.3 MB in the beginning and 51.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.77 ms. Allocated memory is still 98.6 MB. Free memory was 51.5 MB in the beginning and 49.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1110.26 ms. Allocated memory is still 98.6 MB. Free memory was 49.0 MB in the beginning and 36.1 MB in the end (delta: 12.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5779.97 ms. Allocated memory was 98.6 MB in the beginning and 151.0 MB in the end (delta: 52.4 MB). Free memory was 36.1 MB in the beginning and 64.9 MB in the end (delta: -28.7 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. * Witness Printer took 3.97 ms. Allocated memory is still 151.0 MB. Free memory is still 64.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 11 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.7s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 4.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 195 states and ocurred in iteration 3. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 944 SDtfs, 418 SDslu, 1669 SDs, 0 SdLazy, 46 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI2 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital136 mio100 ax126 hnf105 lsp20 ukn100 mio100 lsp100 div123 bol100 ite100 ukn100 eq182 hnf86 smp100 dnf100 smp100 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...