./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.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_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c -s /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/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 6a3fd962b5ec78be7b8fde5b696540e5c252a30f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 03:13:19,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:13:19,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:13:19,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:13:19,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:13:19,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:13:19,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:13:19,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:13:19,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:13:19,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:13:19,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:13:19,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:13:19,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:13:19,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:13:19,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:13:19,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:13:19,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:13:19,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:13:19,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:13:19,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:13:19,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:13:19,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:13:19,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:13:19,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:13:19,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:13:19,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:13:19,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:13:19,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:13:19,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:13:19,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:13:19,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:13:19,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:13:19,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:13:19,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:13:19,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:13:19,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:13:19,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:13:19,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:13:19,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:13:19,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:13:19,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:13:19,643 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:13:19,667 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:13:19,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:13:19,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:13:19,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:13:19,669 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:13:19,670 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:13:19,670 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:13:19,670 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:13:19,671 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:13:19,671 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:13:19,671 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:13:19,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:13:19,672 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:13:19,672 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:13:19,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:13:19,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:13:19,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:13:19,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:13:19,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:13:19,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:13:19,675 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:13:19,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:13:19,675 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:13:19,676 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:13:19,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:13:19,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:13:19,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:13:19,677 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:13:19,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:13:19,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:13:19,678 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:13:19,678 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:13:19,679 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:13:19,679 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_10da95d4-4900-4d41-920b-27790c836ed9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a3fd962b5ec78be7b8fde5b696540e5c252a30f [2020-11-28 03:13:19,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:13:19,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:13:19,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:13:19,931 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:13:19,931 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:13:19,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2020-11-28 03:13:19,997 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/data/71b563a4e/0481c6a18d1f4a6caddb0676a8a7d622/FLAG472d3bd9c [2020-11-28 03:13:20,605 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:13:20,606 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2020-11-28 03:13:20,617 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/data/71b563a4e/0481c6a18d1f4a6caddb0676a8a7d622/FLAG472d3bd9c [2020-11-28 03:13:20,922 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/data/71b563a4e/0481c6a18d1f4a6caddb0676a8a7d622 [2020-11-28 03:13:20,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:13:20,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:13:20,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:13:20,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:13:20,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:13:20,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:13:20" (1/1) ... [2020-11-28 03:13:20,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d1bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:20, skipping insertion in model container [2020-11-28 03:13:20,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:13:20" (1/1) ... [2020-11-28 03:13:20,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:13:21,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:13:21,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:13:21,330 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:13:21,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:13:21,462 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:13:21,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:21 WrapperNode [2020-11-28 03:13:21,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:13:21,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:13:21,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:13:21,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:13:21,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:21" (1/1) ... [2020-11-28 03:13:21,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:21" (1/1) ... [2020-11-28 03:13:21,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:13:21,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:13:21,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:13:21,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:13:21,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:21" (1/1) ... [2020-11-28 03:13:21,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:21" (1/1) ... [2020-11-28 03:13:21,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:21" (1/1) ... [2020-11-28 03:13:21,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:21" (1/1) ... [2020-11-28 03:13:21,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:21" (1/1) ... [2020-11-28 03:13:21,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:21" (1/1) ... [2020-11-28 03:13:21,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:21" (1/1) ... [2020-11-28 03:13:21,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:13:21,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:13:21,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:13:21,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:13:21,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/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 03:13:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:13:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:13:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:13:21,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:13:22,665 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:13:22,666 INFO L298 CfgBuilder]: Removed 27 assume(true) statements. [2020-11-28 03:13:22,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:13:22 BoogieIcfgContainer [2020-11-28 03:13:22,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:13:22,669 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:13:22,669 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:13:22,672 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:13:22,673 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:13:22,673 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:13:20" (1/3) ... [2020-11-28 03:13:22,675 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f0a1035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:13:22, skipping insertion in model container [2020-11-28 03:13:22,675 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:13:22,675 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:21" (2/3) ... [2020-11-28 03:13:22,675 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f0a1035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:13:22, skipping insertion in model container [2020-11-28 03:13:22,675 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:13:22,676 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:13:22" (3/3) ... [2020-11-28 03:13:22,677 INFO L373 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2020-11-28 03:13:22,720 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:13:22,720 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:13:22,720 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:13:22,720 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:13:22,721 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:13:22,721 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:13:22,721 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:13:22,721 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:13:22,735 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states. [2020-11-28 03:13:22,760 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 91 [2020-11-28 03:13:22,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:13:22,761 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:13:22,770 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:13:22,770 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, 1, 1, 1] [2020-11-28 03:13:22,770 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:13:22,770 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states. [2020-11-28 03:13:22,779 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 91 [2020-11-28 03:13:22,780 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:13:22,780 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:13:22,782 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:13:22,782 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, 1, 1, 1] [2020-11-28 03:13:22,791 INFO L794 eck$LassoCheckResult]: Stem: 103#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(50);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 11#L-1true havoc main_#res;havoc 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~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~ret49, main_#t~ret50, main_#t~post51, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~st1~0 := main_#t~nondet20;havoc main_#t~nondet20;~send1~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode1~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive1~0 := main_#t~nondet23;havoc main_#t~nondet23;~id2~0 := main_#t~nondet24;havoc main_#t~nondet24;~st2~0 := main_#t~nondet25;havoc main_#t~nondet25;~send2~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode2~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive2~0 := main_#t~nondet28;havoc main_#t~nondet28;~id3~0 := main_#t~nondet29;havoc main_#t~nondet29;~st3~0 := main_#t~nondet30;havoc main_#t~nondet30;~send3~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode3~0 := main_#t~nondet32;havoc main_#t~nondet32;~alive3~0 := main_#t~nondet33;havoc main_#t~nondet33;~id4~0 := main_#t~nondet34;havoc main_#t~nondet34;~st4~0 := main_#t~nondet35;havoc main_#t~nondet35;~send4~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode4~0 := main_#t~nondet37;havoc main_#t~nondet37;~alive4~0 := main_#t~nondet38;havoc main_#t~nondet38;~id5~0 := main_#t~nondet39;havoc main_#t~nondet39;~st5~0 := main_#t~nondet40;havoc main_#t~nondet40;~send5~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode5~0 := main_#t~nondet42;havoc main_#t~nondet42;~alive5~0 := main_#t~nondet43;havoc main_#t~nondet43;~id6~0 := main_#t~nondet44;havoc main_#t~nondet44;~st6~0 := main_#t~nondet45;havoc main_#t~nondet45;~send6~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode6~0 := main_#t~nondet47;havoc main_#t~nondet47;~alive6~0 := main_#t~nondet48;havoc main_#t~nondet48;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 66#L287true assume !(0 == ~r1~0);init_~tmp~0 := 0; 48#L287-1true init_#res := init_~tmp~0; 55#L452true main_#t~ret49 := init_#res;main_~i2~0 := main_#t~ret49;havoc main_#t~ret49;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; 105#L22true assume 0 == assume_abort_if_not_~cond;assume false; 13#L21true ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 112#L528-2true [2020-11-28 03:13:22,802 INFO L796 eck$LassoCheckResult]: Loop: 112#L528-2true assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 9#L84true assume !(0 != ~mode1~0 % 256); 74#L102true assume !(0 != ~alive1~0 % 256); 93#L102-2true ~mode1~0 := 1; 5#L84-2true havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 65#L116true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 71#L119true assume !(node2_~m2~0 != ~nomsg~0); 68#L119-1true ~mode2~0 := 0; 60#L116-2true havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 33#L150true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 22#L153true assume !(node3_~m3~0 != ~nomsg~0); 20#L153-1true ~mode3~0 := 0; 10#L150-2true havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 127#L184true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 96#L187true assume !(node4_~m4~0 != ~nomsg~0); 95#L187-1true ~mode4~0 := 0; 121#L184-2true havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 57#L218true assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 47#L221true assume !(node5_~m5~0 != ~nomsg~0); 46#L221-1true ~mode5~0 := 0; 72#L218-2true havoc node6_#t~ite16, node6_#t~ite17, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 4#L252true assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 12#L255true assume !(node6_~m6~0 != ~nomsg~0); 136#L255-1true ~mode6~0 := 0; 3#L252-2true ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 77#L460true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 79#L460-1true check_#res := check_~tmp~1; 25#L472true main_#t~ret50 := check_#res;main_~c1~0 := main_#t~ret50;havoc main_#t~ret50;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 125#L561true assume !(0 == assert_~arg % 256); 99#L556true main_#t~post51 := main_~i2~0;main_~i2~0 := 1 + main_#t~post51;havoc main_#t~post51; 112#L528-2true [2020-11-28 03:13:22,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:13:22,811 INFO L82 PathProgramCache]: Analyzing trace with hash 2035845626, now seen corresponding path program 1 times [2020-11-28 03:13:22,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:13:22,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737943639] [2020-11-28 03:13:22,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:13:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:13:23,080 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 03:13:23,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737943639] [2020-11-28 03:13:23,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:13:23,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:13:23,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285160927] [2020-11-28 03:13:23,087 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:13:23,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:13:23,090 INFO L82 PathProgramCache]: Analyzing trace with hash 225391693, now seen corresponding path program 1 times [2020-11-28 03:13:23,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:13:23,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479749642] [2020-11-28 03:13:23,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:13:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:13:23,317 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 03:13:23,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479749642] [2020-11-28 03:13:23,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:13:23,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:13:23,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195289294] [2020-11-28 03:13:23,320 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 03:13:23,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:13:23,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:13:23,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:13:23,335 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2020-11-28 03:13:23,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:13:23,351 INFO L93 Difference]: Finished difference Result 141 states and 237 transitions. [2020-11-28 03:13:23,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:13:23,353 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 141 states and 237 transitions. [2020-11-28 03:13:23,358 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2020-11-28 03:13:23,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 141 states to 136 states and 232 transitions. [2020-11-28 03:13:23,365 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2020-11-28 03:13:23,367 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2020-11-28 03:13:23,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 232 transitions. [2020-11-28 03:13:23,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:13:23,369 INFO L691 BuchiCegarLoop]: Abstraction has 136 states and 232 transitions. [2020-11-28 03:13:23,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 232 transitions. [2020-11-28 03:13:23,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-11-28 03:13:23,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-11-28 03:13:23,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 232 transitions. [2020-11-28 03:13:23,404 INFO L714 BuchiCegarLoop]: Abstraction has 136 states and 232 transitions. [2020-11-28 03:13:23,405 INFO L594 BuchiCegarLoop]: Abstraction has 136 states and 232 transitions. [2020-11-28 03:13:23,405 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:13:23,405 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 232 transitions. [2020-11-28 03:13:23,413 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2020-11-28 03:13:23,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:13:23,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:13:23,415 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:13:23,420 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, 1, 1, 1] [2020-11-28 03:13:23,421 INFO L794 eck$LassoCheckResult]: Stem: 421#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(50);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 315#L-1 havoc main_#res;havoc 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~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~ret49, main_#t~ret50, main_#t~post51, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~st1~0 := main_#t~nondet20;havoc main_#t~nondet20;~send1~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode1~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive1~0 := main_#t~nondet23;havoc main_#t~nondet23;~id2~0 := main_#t~nondet24;havoc main_#t~nondet24;~st2~0 := main_#t~nondet25;havoc main_#t~nondet25;~send2~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode2~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive2~0 := main_#t~nondet28;havoc main_#t~nondet28;~id3~0 := main_#t~nondet29;havoc main_#t~nondet29;~st3~0 := main_#t~nondet30;havoc main_#t~nondet30;~send3~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode3~0 := main_#t~nondet32;havoc main_#t~nondet32;~alive3~0 := main_#t~nondet33;havoc main_#t~nondet33;~id4~0 := main_#t~nondet34;havoc main_#t~nondet34;~st4~0 := main_#t~nondet35;havoc main_#t~nondet35;~send4~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode4~0 := main_#t~nondet37;havoc main_#t~nondet37;~alive4~0 := main_#t~nondet38;havoc main_#t~nondet38;~id5~0 := main_#t~nondet39;havoc main_#t~nondet39;~st5~0 := main_#t~nondet40;havoc main_#t~nondet40;~send5~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode5~0 := main_#t~nondet42;havoc main_#t~nondet42;~alive5~0 := main_#t~nondet43;havoc main_#t~nondet43;~id6~0 := main_#t~nondet44;havoc main_#t~nondet44;~st6~0 := main_#t~nondet45;havoc main_#t~nondet45;~send6~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode6~0 := main_#t~nondet47;havoc main_#t~nondet47;~alive6~0 := main_#t~nondet48;havoc main_#t~nondet48;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 316#L287 assume !(0 == ~r1~0);init_~tmp~0 := 0; 300#L287-1 init_#res := init_~tmp~0; 378#L452 main_#t~ret49 := init_#res;main_~i2~0 := main_#t~ret49;havoc main_#t~ret49;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; 392#L22 assume !(0 == assume_abort_if_not_~cond); 319#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 320#L528-2 [2020-11-28 03:13:23,421 INFO L796 eck$LassoCheckResult]: Loop: 320#L528-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 308#L84 assume !(0 != ~mode1~0 % 256); 309#L102 assume !(0 != ~alive1~0 % 256); 338#L102-2 ~mode1~0 := 1; 302#L84-2 havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 303#L116 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 400#L119 assume !(node2_~m2~0 != ~nomsg~0); 329#L119-1 ~mode2~0 := 0; 343#L116-2 havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 351#L150 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 333#L153 assume !(node3_~m3~0 != ~nomsg~0); 330#L153-1 ~mode3~0 := 0; 311#L150-2 havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 312#L184 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 418#L187 assume !(node4_~m4~0 != ~nomsg~0); 373#L187-1 ~mode4~0 := 0; 410#L184-2 havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 393#L218 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 376#L221 assume !(node5_~m5~0 != ~nomsg~0); 375#L221-1 ~mode5~0 := 0; 354#L218-2 havoc node6_#t~ite16, node6_#t~ite17, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 296#L252 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 297#L255 assume !(node6_~m6~0 != ~nomsg~0); 314#L255-1 ~mode6~0 := 0; 294#L252-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 295#L460 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 332#L460-1 check_#res := check_~tmp~1; 339#L472 main_#t~ret50 := check_#res;main_~c1~0 := main_#t~ret50;havoc main_#t~ret50;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 340#L561 assume !(0 == assert_~arg % 256); 419#L556 main_#t~post51 := main_~i2~0;main_~i2~0 := 1 + main_#t~post51;havoc main_#t~post51; 320#L528-2 [2020-11-28 03:13:23,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:13:23,422 INFO L82 PathProgramCache]: Analyzing trace with hash 2035845688, now seen corresponding path program 1 times [2020-11-28 03:13:23,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:13:23,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059792532] [2020-11-28 03:13:23,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:13:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:13:23,499 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 03:13:23,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059792532] [2020-11-28 03:13:23,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:13:23,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:13:23,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315986040] [2020-11-28 03:13:23,500 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:13:23,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:13:23,500 INFO L82 PathProgramCache]: Analyzing trace with hash 225391693, now seen corresponding path program 2 times [2020-11-28 03:13:23,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:13:23,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955484436] [2020-11-28 03:13:23,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:13:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:13:23,625 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 03:13:23,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955484436] [2020-11-28 03:13:23,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:13:23,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:13:23,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759529296] [2020-11-28 03:13:23,627 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 03:13:23,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:13:23,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:13:23,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:13:23,628 INFO L87 Difference]: Start difference. First operand 136 states and 232 transitions. cyclomatic complexity: 97 Second operand 5 states. [2020-11-28 03:13:23,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:13:23,788 INFO L93 Difference]: Finished difference Result 139 states and 234 transitions. [2020-11-28 03:13:23,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:13:23,791 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 139 states and 234 transitions. [2020-11-28 03:13:23,798 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2020-11-28 03:13:23,801 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 139 states to 136 states and 191 transitions. [2020-11-28 03:13:23,801 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2020-11-28 03:13:23,802 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2020-11-28 03:13:23,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 191 transitions. [2020-11-28 03:13:23,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:13:23,807 INFO L691 BuchiCegarLoop]: Abstraction has 136 states and 191 transitions. [2020-11-28 03:13:23,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 191 transitions. [2020-11-28 03:13:23,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-11-28 03:13:23,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-11-28 03:13:23,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 191 transitions. [2020-11-28 03:13:23,815 INFO L714 BuchiCegarLoop]: Abstraction has 136 states and 191 transitions. [2020-11-28 03:13:23,815 INFO L594 BuchiCegarLoop]: Abstraction has 136 states and 191 transitions. [2020-11-28 03:13:23,815 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:13:23,816 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 191 transitions. [2020-11-28 03:13:23,817 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2020-11-28 03:13:23,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:13:23,821 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:13:23,825 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] [2020-11-28 03:13:23,826 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, 1, 1, 1] [2020-11-28 03:13:23,828 INFO L794 eck$LassoCheckResult]: Stem: 711#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(50);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 604#L-1 havoc main_#res;havoc 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~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~ret49, main_#t~ret50, main_#t~post51, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~st1~0 := main_#t~nondet20;havoc main_#t~nondet20;~send1~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode1~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive1~0 := main_#t~nondet23;havoc main_#t~nondet23;~id2~0 := main_#t~nondet24;havoc main_#t~nondet24;~st2~0 := main_#t~nondet25;havoc main_#t~nondet25;~send2~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode2~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive2~0 := main_#t~nondet28;havoc main_#t~nondet28;~id3~0 := main_#t~nondet29;havoc main_#t~nondet29;~st3~0 := main_#t~nondet30;havoc main_#t~nondet30;~send3~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode3~0 := main_#t~nondet32;havoc main_#t~nondet32;~alive3~0 := main_#t~nondet33;havoc main_#t~nondet33;~id4~0 := main_#t~nondet34;havoc main_#t~nondet34;~st4~0 := main_#t~nondet35;havoc main_#t~nondet35;~send4~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode4~0 := main_#t~nondet37;havoc main_#t~nondet37;~alive4~0 := main_#t~nondet38;havoc main_#t~nondet38;~id5~0 := main_#t~nondet39;havoc main_#t~nondet39;~st5~0 := main_#t~nondet40;havoc main_#t~nondet40;~send5~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode5~0 := main_#t~nondet42;havoc main_#t~nondet42;~alive5~0 := main_#t~nondet43;havoc main_#t~nondet43;~id6~0 := main_#t~nondet44;havoc main_#t~nondet44;~st6~0 := main_#t~nondet45;havoc main_#t~nondet45;~send6~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode6~0 := main_#t~nondet47;havoc main_#t~nondet47;~alive6~0 := main_#t~nondet48;havoc main_#t~nondet48;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 605#L287 assume 0 == ~r1~0; 610#L288 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 611#L289 assume ~id1~0 >= 0; 673#L290 assume 0 == ~st1~0; 674#L291 assume ~send1~0 == ~id1~0; 707#L292 assume 0 == ~mode1~0 % 256; 624#L293 assume ~id2~0 >= 0; 625#L294 assume 0 == ~st2~0; 685#L295 assume ~send2~0 == ~id2~0; 595#L296 assume 0 == ~mode2~0 % 256; 596#L297 assume ~id3~0 >= 0; 691#L298 assume 0 == ~st3~0; 614#L299 assume ~send3~0 == ~id3~0; 615#L300 assume 0 == ~mode3~0 % 256; 675#L301 assume ~id4~0 >= 0; 676#L302 assume 0 == ~st4~0; 694#L303 assume ~send4~0 == ~id4~0; 649#L304 assume 0 == ~mode4~0 % 256; 650#L305 assume ~id5~0 >= 0; 693#L306 assume 0 == ~st5~0; 612#L307 assume ~send5~0 == ~id5~0; 613#L308 assume 0 == ~mode5~0 % 256; 687#L309 assume ~id6~0 >= 0; 593#L310 assume 0 == ~st6~0; 594#L311 assume ~send6~0 == ~id6~0; 659#L312 assume 0 == ~mode6~0 % 256; 660#L313 assume ~id1~0 != ~id2~0; 706#L314 assume ~id1~0 != ~id3~0; 647#L315 assume ~id1~0 != ~id4~0; 648#L316 assume ~id1~0 != ~id5~0; 692#L317 assume ~id1~0 != ~id6~0; 606#L318 assume ~id2~0 != ~id3~0; 607#L319 assume ~id2~0 != ~id4~0; 686#L320 assume ~id2~0 != ~id5~0; 589#L321 assume ~id2~0 != ~id6~0; 590#L322 assume ~id3~0 != ~id4~0; 656#L323 assume ~id3~0 != ~id5~0; 657#L324 assume ~id3~0 != ~id6~0; 705#L325 assume ~id4~0 != ~id5~0; 645#L326 assume ~id4~0 != ~id6~0; 646#L327 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 667#L287-1 init_#res := init_~tmp~0; 668#L452 main_#t~ret49 := init_#res;main_~i2~0 := main_#t~ret49;havoc main_#t~ret49;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; 682#L22 assume !(0 == assume_abort_if_not_~cond); 608#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 609#L528-2 [2020-11-28 03:13:23,828 INFO L796 eck$LassoCheckResult]: Loop: 609#L528-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 599#L84 assume !(0 != ~mode1~0 % 256); 600#L102 assume !(0 != ~alive1~0 % 256); 627#L102-2 ~mode1~0 := 1; 591#L84-2 havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 592#L116 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 690#L119 assume !(node2_~m2~0 != ~nomsg~0); 618#L119-1 ~mode2~0 := 0; 631#L116-2 havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 640#L150 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 622#L153 assume !(node3_~m3~0 != ~nomsg~0); 619#L153-1 ~mode3~0 := 0; 597#L150-2 havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 598#L184 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 708#L187 assume !(node4_~m4~0 != ~nomsg~0); 662#L187-1 ~mode4~0 := 0; 700#L184-2 havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 683#L218 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 665#L221 assume !(node5_~m5~0 != ~nomsg~0); 664#L221-1 ~mode5~0 := 0; 643#L218-2 havoc node6_#t~ite16, node6_#t~ite17, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 586#L252 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 587#L255 assume !(node6_~m6~0 != ~nomsg~0); 603#L255-1 ~mode6~0 := 0; 584#L252-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 585#L460 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 621#L460-1 check_#res := check_~tmp~1; 628#L472 main_#t~ret50 := check_#res;main_~c1~0 := main_#t~ret50;havoc main_#t~ret50;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 629#L561 assume !(0 == assert_~arg % 256); 709#L556 main_#t~post51 := main_~i2~0;main_~i2~0 := 1 + main_#t~post51;havoc main_#t~post51; 609#L528-2 [2020-11-28 03:13:23,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:13:23,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 1 times [2020-11-28 03:13:23,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:13:23,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776714800] [2020-11-28 03:13:23,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:13:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:13:23,903 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:13:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:13:23,951 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:13:24,029 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:13:24,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:13:24,031 INFO L82 PathProgramCache]: Analyzing trace with hash 225391693, now seen corresponding path program 3 times [2020-11-28 03:13:24,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:13:24,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803991885] [2020-11-28 03:13:24,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:13:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:13:24,131 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 03:13:24,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803991885] [2020-11-28 03:13:24,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:13:24,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:13:24,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51801267] [2020-11-28 03:13:24,132 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 03:13:24,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:13:24,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:13:24,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:13:24,134 INFO L87 Difference]: Start difference. First operand 136 states and 191 transitions. cyclomatic complexity: 56 Second operand 5 states. [2020-11-28 03:13:24,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:13:24,204 INFO L93 Difference]: Finished difference Result 139 states and 193 transitions. [2020-11-28 03:13:24,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:13:24,205 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 139 states and 193 transitions. [2020-11-28 03:13:24,207 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2020-11-28 03:13:24,208 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 139 states to 136 states and 189 transitions. [2020-11-28 03:13:24,209 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2020-11-28 03:13:24,209 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2020-11-28 03:13:24,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 189 transitions. [2020-11-28 03:13:24,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:13:24,210 INFO L691 BuchiCegarLoop]: Abstraction has 136 states and 189 transitions. [2020-11-28 03:13:24,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 189 transitions. [2020-11-28 03:13:24,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-11-28 03:13:24,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-11-28 03:13:24,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 189 transitions. [2020-11-28 03:13:24,219 INFO L714 BuchiCegarLoop]: Abstraction has 136 states and 189 transitions. [2020-11-28 03:13:24,219 INFO L594 BuchiCegarLoop]: Abstraction has 136 states and 189 transitions. [2020-11-28 03:13:24,219 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-28 03:13:24,219 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 189 transitions. [2020-11-28 03:13:24,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2020-11-28 03:13:24,221 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:13:24,221 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:13:24,222 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] [2020-11-28 03:13:24,222 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, 1, 1, 1, 1] [2020-11-28 03:13:24,223 INFO L794 eck$LassoCheckResult]: Stem: 998#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(50);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 891#L-1 havoc main_#res;havoc 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~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~ret49, main_#t~ret50, main_#t~post51, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~st1~0 := main_#t~nondet20;havoc main_#t~nondet20;~send1~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode1~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive1~0 := main_#t~nondet23;havoc main_#t~nondet23;~id2~0 := main_#t~nondet24;havoc main_#t~nondet24;~st2~0 := main_#t~nondet25;havoc main_#t~nondet25;~send2~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode2~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive2~0 := main_#t~nondet28;havoc main_#t~nondet28;~id3~0 := main_#t~nondet29;havoc main_#t~nondet29;~st3~0 := main_#t~nondet30;havoc main_#t~nondet30;~send3~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode3~0 := main_#t~nondet32;havoc main_#t~nondet32;~alive3~0 := main_#t~nondet33;havoc main_#t~nondet33;~id4~0 := main_#t~nondet34;havoc main_#t~nondet34;~st4~0 := main_#t~nondet35;havoc main_#t~nondet35;~send4~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode4~0 := main_#t~nondet37;havoc main_#t~nondet37;~alive4~0 := main_#t~nondet38;havoc main_#t~nondet38;~id5~0 := main_#t~nondet39;havoc main_#t~nondet39;~st5~0 := main_#t~nondet40;havoc main_#t~nondet40;~send5~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode5~0 := main_#t~nondet42;havoc main_#t~nondet42;~alive5~0 := main_#t~nondet43;havoc main_#t~nondet43;~id6~0 := main_#t~nondet44;havoc main_#t~nondet44;~st6~0 := main_#t~nondet45;havoc main_#t~nondet45;~send6~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode6~0 := main_#t~nondet47;havoc main_#t~nondet47;~alive6~0 := main_#t~nondet48;havoc main_#t~nondet48;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 892#L287 assume 0 == ~r1~0; 897#L288 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 898#L289 assume ~id1~0 >= 0; 960#L290 assume 0 == ~st1~0; 961#L291 assume ~send1~0 == ~id1~0; 994#L292 assume 0 == ~mode1~0 % 256; 913#L293 assume ~id2~0 >= 0; 914#L294 assume 0 == ~st2~0; 972#L295 assume ~send2~0 == ~id2~0; 882#L296 assume 0 == ~mode2~0 % 256; 883#L297 assume ~id3~0 >= 0; 978#L298 assume 0 == ~st3~0; 901#L299 assume ~send3~0 == ~id3~0; 902#L300 assume 0 == ~mode3~0 % 256; 962#L301 assume ~id4~0 >= 0; 963#L302 assume 0 == ~st4~0; 981#L303 assume ~send4~0 == ~id4~0; 936#L304 assume 0 == ~mode4~0 % 256; 937#L305 assume ~id5~0 >= 0; 980#L306 assume 0 == ~st5~0; 899#L307 assume ~send5~0 == ~id5~0; 900#L308 assume 0 == ~mode5~0 % 256; 974#L309 assume ~id6~0 >= 0; 880#L310 assume 0 == ~st6~0; 881#L311 assume ~send6~0 == ~id6~0; 946#L312 assume 0 == ~mode6~0 % 256; 947#L313 assume ~id1~0 != ~id2~0; 993#L314 assume ~id1~0 != ~id3~0; 934#L315 assume ~id1~0 != ~id4~0; 935#L316 assume ~id1~0 != ~id5~0; 979#L317 assume ~id1~0 != ~id6~0; 895#L318 assume ~id2~0 != ~id3~0; 896#L319 assume ~id2~0 != ~id4~0; 973#L320 assume ~id2~0 != ~id5~0; 878#L321 assume ~id2~0 != ~id6~0; 879#L322 assume ~id3~0 != ~id4~0; 943#L323 assume ~id3~0 != ~id5~0; 944#L324 assume ~id3~0 != ~id6~0; 991#L325 assume ~id4~0 != ~id5~0; 931#L326 assume ~id4~0 != ~id6~0; 932#L327 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 954#L287-1 init_#res := init_~tmp~0; 955#L452 main_#t~ret49 := init_#res;main_~i2~0 := main_#t~ret49;havoc main_#t~ret49;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; 967#L22 assume !(0 == assume_abort_if_not_~cond); 893#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 894#L528-2 [2020-11-28 03:13:24,223 INFO L796 eck$LassoCheckResult]: Loop: 894#L528-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 884#L84 assume !(0 != ~mode1~0 % 256); 885#L102 assume !(0 != ~alive1~0 % 256); 912#L102-2 ~mode1~0 := 1; 876#L84-2 havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 877#L116 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 977#L119 assume !(node2_~m2~0 != ~nomsg~0); 905#L119-1 ~mode2~0 := 0; 918#L116-2 havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 927#L150 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 909#L153 assume !(node3_~m3~0 != ~nomsg~0); 906#L153-1 ~mode3~0 := 0; 887#L150-2 havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 888#L184 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 995#L187 assume !(node4_~m4~0 != ~nomsg~0); 949#L187-1 ~mode4~0 := 0; 987#L184-2 havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 970#L218 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 952#L221 assume !(node5_~m5~0 != ~nomsg~0); 951#L221-1 ~mode5~0 := 0; 930#L218-2 havoc node6_#t~ite16, node6_#t~ite17, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 873#L252 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 874#L255 assume !(node6_~m6~0 != ~nomsg~0); 890#L255-1 ~mode6~0 := 0; 871#L252-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 872#L460 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 919#L461 assume ~r1~0 < 6;check_~tmp~1 := 1; 908#L460-1 check_#res := check_~tmp~1; 915#L472 main_#t~ret50 := check_#res;main_~c1~0 := main_#t~ret50;havoc main_#t~ret50;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 916#L561 assume !(0 == assert_~arg % 256); 996#L556 main_#t~post51 := main_~i2~0;main_~i2~0 := 1 + main_#t~post51;havoc main_#t~post51; 894#L528-2 [2020-11-28 03:13:24,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:13:24,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 2 times [2020-11-28 03:13:24,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:13:24,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479929305] [2020-11-28 03:13:24,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:13:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:13:24,257 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:13:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:13:24,308 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:13:24,334 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:13:24,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:13:24,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1986120983, now seen corresponding path program 1 times [2020-11-28 03:13:24,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:13:24,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652122976] [2020-11-28 03:13:24,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:13:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:13:24,353 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:13:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:13:24,364 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:13:24,371 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:13:24,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:13:24,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1111090104, now seen corresponding path program 1 times [2020-11-28 03:13:24,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:13:24,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546922131] [2020-11-28 03:13:24,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:13:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:13:24,466 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 03:13:24,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546922131] [2020-11-28 03:13:24,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:13:24,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:13:24,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112647031] [2020-11-28 03:13:25,296 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 144 [2020-11-28 03:13:25,790 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 122 [2020-11-28 03:13:25,804 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:13:25,804 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:13:25,805 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:13:25,805 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:13:25,805 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:13:25,805 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:25,805 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:13:25,805 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:13:25,805 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2020-11-28 03:13:25,806 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:13:25,806 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:13:25,838 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 03:13:25,849 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 03:13:25,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:25,859 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 03:13:25,862 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 03:13:25,866 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 03:13:25,871 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 03:13:25,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:25,878 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 03:13:25,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:25,894 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 03:13:25,899 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 03:13:25,903 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 03:13:25,971 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 03:13:25,981 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 03:13:25,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:25,986 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 03:13:25,989 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 03:13:25,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:26,000 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 03:13:26,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:26,007 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 03:13:26,012 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 03:13:26,014 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 03:13:26,029 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 03:13:26,034 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 03:13:26,042 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 03:13:26,044 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 03:13:26,047 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 03:13:26,050 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 03:13:26,056 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 03:13:26,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:26,065 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 03:13:26,079 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 03:13:26,081 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 03:13:26,087 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 03:13:26,094 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 03:13:26,097 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 03:13:26,421 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-11-28 03:13:26,820 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-11-28 03:13:26,958 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:13:26,959 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/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 03:13:26,985 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:13:26,986 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/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 03:13:27,012 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:13:27,013 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:13:27,108 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:13:27,110 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:13:27,110 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:13:27,110 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:13:27,110 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:13:27,110 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:13:27,110 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:27,110 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:13:27,111 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:13:27,111 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2020-11-28 03:13:27,111 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:13:27,111 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:13:27,116 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 03:13:27,126 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 03:13:27,130 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 03:13:27,136 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 03:13:27,148 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 03:13:27,153 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 03:13:27,156 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 03:13:27,159 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 03:13:27,162 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 03:13:27,165 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 03:13:27,172 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 03:13:27,175 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 03:13:27,177 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 03:13:27,183 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 03:13:27,188 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 03:13:27,190 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 03:13:27,193 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 03:13:27,195 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 03:13:27,199 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 03:13:27,203 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 03:13:27,315 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2020-11-28 03:13:27,315 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 03:13:27,317 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 03:13:27,333 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 03:13:27,346 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 03:13:27,356 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 03:13:27,369 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 03:13:27,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:27,391 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 03:13:27,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:27,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:27,412 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 03:13:27,418 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 03:13:27,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:13:27,427 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 03:13:27,434 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 03:13:27,444 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 03:13:27,447 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 03:13:27,450 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 03:13:27,789 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-11-28 03:13:28,294 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-11-28 03:13:28,381 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:13:28,386 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:13:28,407 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 03:13:28,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:28,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:13:28,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:28,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:28,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:28,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:13:28,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:13:28,416 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/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 03:13:28,438 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 03:13:28,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:28,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:28,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:28,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:28,443 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:13:28,443 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:13:28,456 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/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) [2020-11-28 03:13:28,502 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 03:13:28,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:28,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:13:28,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:28,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:28,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:28,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:13:28,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:28,507 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/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 03:13:28,529 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 03:13:28,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:28,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:13:28,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:28,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:28,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:28,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:13:28,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:13:28,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/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 03:13:28,560 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 03:13:28,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:28,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:13:28,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:28,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:28,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:28,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:13:28,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:13:28,568 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:28,590 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 03:13:28,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:28,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:13:28,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:28,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:28,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:28,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:13:28,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:13:28,598 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/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 03:13:28,619 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 03:13:28,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:28,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:13:28,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:28,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:28,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:28,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:13:28,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:13:28,646 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:13:28,690 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 03:13:28,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:28,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:13:28,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:28,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:28,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:28,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:13:28,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:28,696 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/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 03:13:28,722 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 03:13:28,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:28,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:28,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:28,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:28,726 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:13:28,726 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:13:28,729 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/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 03:13:28,750 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 03:13:28,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:28,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:13:28,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:28,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:28,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:28,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:13:28,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:13:28,756 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/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 03:13:28,778 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 03:13:28,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:28,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:28,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:28,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:28,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:13:28,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:13:28,786 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:28,809 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 03:13:28,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:28,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:28,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:28,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:28,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:13:28,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:13:28,821 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:28,845 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 03:13:28,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:28,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:13:28,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:28,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:28,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:28,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:13:28,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:13:28,859 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/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 03:13:28,882 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 03:13:28,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:28,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:28,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:28,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:28,885 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:13:28,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:13:28,888 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/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 03:13:28,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:13:28,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:28,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:13:28,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:28,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:28,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:28,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:13:28,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:13:28,912 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/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 03:13:28,936 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 03:13:28,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:28,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:13:28,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:28,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:28,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:28,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:13:28,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:13:28,939 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:28,965 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 03:13:28,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:28,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:13:28,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:28,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:28,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:28,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:13:28,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:13:28,973 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:28,995 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 03:13:28,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:28,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:13:28,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:28,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:28,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:28,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:13:28,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:13:28,999 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:29,020 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 03:13:29,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:29,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:29,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:29,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:29,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:13:29,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:13:29,026 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:29,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:13:29,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:29,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:13:29,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:29,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:29,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:29,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:13:29,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:13:29,073 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:13:29,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:13:29,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:29,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:13:29,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:29,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:29,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:29,112 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:13:29,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:29,114 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:29,146 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 03:13:29,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:29,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:13:29,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:29,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:29,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:29,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:13:29,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:13:29,151 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:29,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:13:29,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:29,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:13:29,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:29,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:29,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:29,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:13:29,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:13:29,182 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:29,204 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 03:13:29,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:13:29,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:13:29,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:13:29,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:13:29,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:13:29,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:13:29,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:13:29,208 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:13:29,231 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:13:29,232 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_10da95d4-4900-4d41-920b-27790c836ed9/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:13:29,246 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:13:29,246 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:13:29,246 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:13:29,247 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 23 Supporting invariants [] Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:13:29,278 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:13:29,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:13:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:13:29,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:13:29,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:13:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:13:29,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:13:29,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:13:29,580 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 03:13:29,586 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 03:13:29,587 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 136 states and 189 transitions. cyclomatic complexity: 54 Second operand 3 states. [2020-11-28 03:13:29,656 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 136 states and 189 transitions. cyclomatic complexity: 54. Second operand 3 states. Result 225 states and 332 transitions. Complement of second has 4 states. [2020-11-28 03:13:29,656 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 03:13:29,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:13:29,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 189 transitions. [2020-11-28 03:13:29,658 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 189 transitions. Stem has 47 letters. Loop has 31 letters. [2020-11-28 03:13:29,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:13:29,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 189 transitions. Stem has 78 letters. Loop has 31 letters. [2020-11-28 03:13:29,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:13:29,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 189 transitions. Stem has 47 letters. Loop has 62 letters. [2020-11-28 03:13:29,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:13:29,663 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 225 states and 332 transitions. [2020-11-28 03:13:29,665 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:13:29,666 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 225 states to 0 states and 0 transitions. [2020-11-28 03:13:29,666 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:13:29,666 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:13:29,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:13:29,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:13:29,666 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:13:29,666 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:13:29,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:13:29,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:13:29,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:13:29,667 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-11-28 03:13:29,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:13:29,667 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-28 03:13:29,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:13:29,667 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-28 03:13:29,668 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:13:29,668 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:13:29,668 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:13:29,668 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:13:29,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:13:29,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:13:29,668 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:13:29,668 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:13:29,668 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:13:29,668 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-28 03:13:29,668 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:13:29,669 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:13:29,669 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:13:29,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:13:29 BoogieIcfgContainer [2020-11-28 03:13:29,675 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:13:29,675 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:13:29,675 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:13:29,675 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:13:29,676 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:13:22" (3/4) ... [2020-11-28 03:13:29,678 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:13:29,678 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:13:29,680 INFO L168 Benchmark]: Toolchain (without parser) took 8751.77 ms. Allocated memory was 104.9 MB in the beginning and 182.5 MB in the end (delta: 77.6 MB). Free memory was 75.3 MB in the beginning and 124.2 MB in the end (delta: -48.9 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:13:29,680 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 104.9 MB. Free memory is still 61.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:13:29,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 534.52 ms. Allocated memory is still 104.9 MB. Free memory was 75.0 MB in the beginning and 74.6 MB in the end (delta: 452.4 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:13:29,681 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.59 ms. Allocated memory is still 104.9 MB. Free memory was 74.6 MB in the beginning and 71.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:13:29,682 INFO L168 Benchmark]: Boogie Preprocessor took 70.56 ms. Allocated memory is still 104.9 MB. Free memory was 71.6 MB in the beginning and 69.6 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:13:29,682 INFO L168 Benchmark]: RCFGBuilder took 1032.96 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 69.5 MB in the beginning and 70.6 MB in the end (delta: -1.1 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:13:29,683 INFO L168 Benchmark]: BuchiAutomizer took 7005.69 ms. Allocated memory was 125.8 MB in the beginning and 182.5 MB in the end (delta: 56.6 MB). Free memory was 70.6 MB in the beginning and 125.3 MB in the end (delta: -54.7 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:13:29,683 INFO L168 Benchmark]: Witness Printer took 3.39 ms. Allocated memory is still 182.5 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:13:29,687 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 104.9 MB. Free memory is still 61.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 534.52 ms. Allocated memory is still 104.9 MB. Free memory was 75.0 MB in the beginning and 74.6 MB in the end (delta: 452.4 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.59 ms. Allocated memory is still 104.9 MB. Free memory was 74.6 MB in the beginning and 71.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.56 ms. Allocated memory is still 104.9 MB. Free memory was 71.6 MB in the beginning and 69.6 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1032.96 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 69.5 MB in the beginning and 70.6 MB in the end (delta: -1.1 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 7005.69 ms. Allocated memory was 125.8 MB in the beginning and 182.5 MB in the end (delta: 56.6 MB). Free memory was 70.6 MB in the beginning and 125.3 MB in the end (delta: -54.7 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. * Witness Printer took 3.39 ms. Allocated memory is still 182.5 MB. Free memory is still 124.2 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 + 23 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 6.9s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 6.1s. 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 136 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 843 SDtfs, 333 SDslu, 1347 SDs, 0 SdLazy, 26 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI2 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital164 mio100 ax143 hnf110 lsp27 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 20ms 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...