./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2e8f354936443b9a529fcf41dfa5e3c742b35e7f73ef50360a09d67c1a48d74d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:46:49,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:46:49,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:46:49,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:46:49,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:46:49,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:46:49,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:46:49,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:46:49,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:46:49,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:46:49,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:46:49,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:46:49,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:46:49,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:46:49,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:46:49,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:46:49,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:46:49,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:46:49,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:46:49,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:46:49,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:46:49,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:46:49,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:46:49,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:46:49,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:46:49,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:46:49,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:46:49,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:46:49,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:46:49,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:46:49,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:46:49,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:46:49,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:46:49,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:46:49,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:46:49,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:46:49,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:46:49,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:46:49,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:46:49,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:46:49,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:46:49,807 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 22:46:49,831 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:46:49,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:46:49,832 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:46:49,832 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:46:49,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:46:49,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:46:49,834 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:46:49,834 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 22:46:49,834 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 22:46:49,834 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 22:46:49,835 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 22:46:49,835 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 22:46:49,835 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 22:46:49,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:46:49,835 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 22:46:49,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:46:49,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:46:49,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 22:46:49,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 22:46:49,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 22:46:49,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:46:49,837 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 22:46:49,837 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:46:49,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 22:46:49,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:46:49,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:46:49,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:46:49,838 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:46:49,838 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:46:49,839 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 22:46:49,843 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_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e8f354936443b9a529fcf41dfa5e3c742b35e7f73ef50360a09d67c1a48d74d [2021-10-28 22:46:50,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:46:50,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:46:50,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:46:50,149 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:46:50,150 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:46:50,151 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i [2021-10-28 22:46:50,216 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/data/68a63de93/bc582f1c0b484a329d3c842bfcdffa44/FLAG810b0cb5a [2021-10-28 22:46:50,860 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:46:50,861 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i [2021-10-28 22:46:50,886 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/data/68a63de93/bc582f1c0b484a329d3c842bfcdffa44/FLAG810b0cb5a [2021-10-28 22:46:51,122 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/data/68a63de93/bc582f1c0b484a329d3c842bfcdffa44 [2021-10-28 22:46:51,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:46:51,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:46:51,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:46:51,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:46:51,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:46:51,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:46:51" (1/1) ... [2021-10-28 22:46:51,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f99e547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:51, skipping insertion in model container [2021-10-28 22:46:51,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:46:51" (1/1) ... [2021-10-28 22:46:51,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:46:51,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:46:51,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:46:51,605 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:46:51,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:46:51,707 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:46:51,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:51 WrapperNode [2021-10-28 22:46:51,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:46:51,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:46:51,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:46:51,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:46:51,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:51" (1/1) ... [2021-10-28 22:46:51,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:51" (1/1) ... [2021-10-28 22:46:51,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:46:51,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:46:51,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:46:51,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:46:51,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:51" (1/1) ... [2021-10-28 22:46:51,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:51" (1/1) ... [2021-10-28 22:46:51,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:51" (1/1) ... [2021-10-28 22:46:51,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:51" (1/1) ... [2021-10-28 22:46:51,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:51" (1/1) ... [2021-10-28 22:46:51,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:51" (1/1) ... [2021-10-28 22:46:51,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:51" (1/1) ... [2021-10-28 22:46:51,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:46:51,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:46:51,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:46:51,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:46:51,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:51" (1/1) ... [2021-10-28 22:46:51,797 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:51,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:51,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:51,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 22:46:51,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 22:46:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 22:46:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:46:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 22:46:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:46:51,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:46:52,193 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:46:52,193 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 22:46:52,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:46:52 BoogieIcfgContainer [2021-10-28 22:46:52,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:46:52,197 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 22:46:52,197 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 22:46:52,201 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 22:46:52,202 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:46:52,202 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 10:46:51" (1/3) ... [2021-10-28 22:46:52,204 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69bb7351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:46:52, skipping insertion in model container [2021-10-28 22:46:52,205 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:46:52,205 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:51" (2/3) ... [2021-10-28 22:46:52,205 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69bb7351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:46:52, skipping insertion in model container [2021-10-28 22:46:52,206 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:46:52,206 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:46:52" (3/3) ... [2021-10-28 22:46:52,207 INFO L389 chiAutomizerObserver]: Analyzing ICFG b.05-alloca.i [2021-10-28 22:46:52,258 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 22:46:52,258 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 22:46:52,259 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 22:46:52,259 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 22:46:52,259 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 22:46:52,259 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 22:46:52,259 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 22:46:52,260 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 22:46:52,285 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:46:52,322 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-28 22:46:52,331 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:46:52,332 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:46:52,338 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 22:46:52,342 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:46:52,342 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 22:46:52,343 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:46:52,360 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-28 22:46:52,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:46:52,360 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:46:52,361 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 22:46:52,361 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:46:52,367 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~tmp := main_#t~nondet15, main_#t~nondet16;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~nondet4, test_fun_#t~mem12, test_fun_#t~nondet13, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~short11, test_fun_#t~mem14, test_fun_~x, test_fun_~tmp, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~tmp := test_fun_#in~tmp;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~tmp, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(test_fun_#t~nondet4, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet4; 11#L554-11true [2021-10-28 22:46:52,368 INFO L793 eck$LassoCheckResult]: Loop: 11#L554-11true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 6#L554-1true assume test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 >= 0; 13#L554-3true test_fun_#t~short9 := test_fun_#t~short7; 8#L554-4true assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 1073741824; 15#L554-6true test_fun_#t~short11 := test_fun_#t~short9; 10#L554-7true assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short11 := test_fun_~x == 2 * test_fun_#t~mem10; 5#L554-9true assume !!test_fun_#t~short11;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;havoc test_fun_#t~mem8;havoc test_fun_#t~short9;havoc test_fun_#t~mem10;havoc test_fun_#t~short11;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12;call write~int(test_fun_#t~nondet13, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet13; 11#L554-11true [2021-10-28 22:46:52,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:46:52,375 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-28 22:46:52,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:46:52,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365705033] [2021-10-28 22:46:52,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:46:52,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:46:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:46:52,496 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:46:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:46:52,550 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:46:52,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:46:52,567 INFO L85 PathProgramCache]: Analyzing trace with hash -334850282, now seen corresponding path program 1 times [2021-10-28 22:46:52,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:46:52,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681900940] [2021-10-28 22:46:52,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:46:52,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:46:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:46:52,590 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:46:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:46:52,612 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:46:52,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:46:52,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1211446548, now seen corresponding path program 1 times [2021-10-28 22:46:52,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:46:52,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926989528] [2021-10-28 22:46:52,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:46:52,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:46:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:46:52,679 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:46:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:46:52,748 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:46:53,577 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:46:53,578 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:46:53,578 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:46:53,579 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:46:53,579 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:46:53,579 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:53,579 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:46:53,580 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:46:53,580 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.05-alloca.i_Iteration1_Lasso [2021-10-28 22:46:53,580 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:46:53,580 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:46:53,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:46:53,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:46:53,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:46:53,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:46:53,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:46:53,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:46:53,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:46:53,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:46:53,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:46:53,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:46:53,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:46:53,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:46:53,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:46:53,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:46:53,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:46:53,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:46:53,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:46:53,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:46:53,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:46:53,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:46:54,367 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:46:54,372 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:46:54,374 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:54,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:54,376 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:54,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:46:54,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:46:54,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:46:54,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:46:54,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:46:54,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:46:54,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:46:54,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:46:54,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 22:46:54,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:46:54,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 22:46:54,453 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:54,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:54,457 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:54,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 22:46:54,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:46:54,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:46:54,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:46:54,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:46:54,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:46:54,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:46:54,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:46:54,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:46:54,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:46:54,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-28 22:46:54,511 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:54,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:54,513 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:54,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:46:54,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:46:54,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:46:54,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:46:54,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:46:54,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:46:54,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:46:54,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:46:54,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 22:46:54,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:46:54,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-28 22:46:54,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:54,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:54,606 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:54,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:46:54,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:46:54,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:46:54,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:46:54,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:46:54,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:46:54,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:46:54,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:46:54,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 22:46:54,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:46:54,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 22:46:54,680 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:54,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:54,681 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:54,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:46:54,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:46:54,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:46:54,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:46:54,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:46:54,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:46:54,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:46:54,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 22:46:54,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:46:54,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 22:46:54,761 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:54,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:54,762 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:54,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:46:54,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:46:54,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:46:54,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:46:54,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:46:54,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:46:54,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:46:54,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:46:54,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 22:46:54,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:46:54,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 22:46:54,832 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:54,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:54,834 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:54,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:46:54,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:46:54,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:46:54,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:46:54,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:46:54,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:46:54,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:46:54,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:46:54,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 22:46:54,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:46:54,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-28 22:46:54,876 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:54,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:54,877 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:54,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 22:46:54,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:46:54,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:46:54,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:46:54,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:46:54,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:46:54,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:46:54,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:46:54,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:46:54,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:46:54,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 22:46:54,913 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:54,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:54,914 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:54,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 22:46:54,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:46:54,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:46:54,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:46:54,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:46:54,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:46:54,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:46:54,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:46:54,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:46:54,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:46:54,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 22:46:54,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:54,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:54,960 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:54,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 22:46:54,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:46:54,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:46:54,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:46:54,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:46:54,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:46:54,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:46:54,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:46:54,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:46:55,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 22:46:55,010 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:55,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:55,011 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:55,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:46:55,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 22:46:55,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:46:55,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:46:55,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:46:55,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:46:55,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:46:55,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:46:55,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:46:55,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 22:46:55,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:55,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:55,110 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:55,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 22:46:55,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:46:55,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:46:55,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:46:55,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:46:55,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:46:55,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:46:55,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:46:55,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:46:55,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:46:55,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-10-28 22:46:55,152 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:55,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:55,153 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:55,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 22:46:55,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:46:55,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:46:55,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:46:55,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:46:55,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:46:55,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:46:55,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:46:55,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:46:55,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 22:46:55,209 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:55,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:55,210 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:55,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 22:46:55,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:46:55,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:46:55,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:46:55,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:46:55,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:46:55,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:46:55,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:46:55,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:46:55,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:46:55,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 22:46:55,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:55,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:55,247 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:55,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 22:46:55,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:46:55,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:46:55,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:46:55,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:46:55,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:46:55,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:46:55,260 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:46:55,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:46:55,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 22:46:55,300 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:55,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:55,301 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:55,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 22:46:55,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:46:55,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:46:55,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:46:55,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:46:55,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:46:55,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:46:55,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:46:55,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:46:55,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 22:46:55,383 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:55,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:55,384 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:55,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 22:46:55,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:46:55,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:46:55,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:46:55,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:46:55,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:46:55,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:46:55,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:46:55,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:46:55,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 22:46:55,460 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:55,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:55,464 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:55,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 22:46:55,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:46:55,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:46:55,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:46:55,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:46:55,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:46:55,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:46:55,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:46:55,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:46:55,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 22:46:55,538 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:55,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:55,539 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:55,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:46:55,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:46:55,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:46:55,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:46:55,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:46:55,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:46:55,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:46:55,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 22:46:55,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:46:55,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 22:46:55,610 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:55,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:55,611 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:55,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 22:46:55,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:46:55,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:46:55,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:46:55,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:46:55,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:46:55,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:46:55,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:46:55,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:46:55,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 22:46:55,703 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:55,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:55,704 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:55,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:46:55,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:46:55,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:46:55,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:46:55,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:46:55,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:46:55,730 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:46:55,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 22:46:55,750 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:46:55,767 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-28 22:46:55,767 INFO L444 ModelExtractionUtils]: 17 out of 22 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-28 22:46:55,769 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:55,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:55,770 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:55,773 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:46:55,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 22:46:55,809 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:46:55,809 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:46:55,810 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2021-10-28 22:46:55,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 22:46:55,902 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2021-10-28 22:46:55,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:46:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:46:55,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 22:46:55,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:46:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:46:56,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 22:46:56,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:46:56,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:46:56,254 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 22:46:56,269 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:46:56,407 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 68 transitions. Complement of second has 9 states. [2021-10-28 22:46:56,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 22:46:56,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:46:56,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 36 transitions. [2021-10-28 22:46:56,412 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 2 letters. Loop has 7 letters. [2021-10-28 22:46:56,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:46:56,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 9 letters. Loop has 7 letters. [2021-10-28 22:46:56,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:46:56,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 2 letters. Loop has 14 letters. [2021-10-28 22:46:56,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:46:56,414 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 68 transitions. [2021-10-28 22:46:56,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-28 22:46:56,452 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 24 states and 33 transitions. [2021-10-28 22:46:56,454 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-28 22:46:56,455 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-28 22:46:56,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 33 transitions. [2021-10-28 22:46:56,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:46:56,456 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-10-28 22:46:56,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 22:46:56,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 33 transitions. [2021-10-28 22:46:56,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2021-10-28 22:46:56,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 22 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:46:56,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 32 transitions. [2021-10-28 22:46:56,485 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 32 transitions. [2021-10-28 22:46:56,485 INFO L587 BuchiCegarLoop]: Abstraction has 23 states and 32 transitions. [2021-10-28 22:46:56,485 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 22:46:56,485 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 32 transitions. [2021-10-28 22:46:56,488 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-28 22:46:56,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:46:56,488 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:46:56,488 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 22:46:56,489 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:46:56,489 INFO L791 eck$LassoCheckResult]: Stem: 175#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 176#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~tmp := main_#t~nondet15, main_#t~nondet16;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~nondet4, test_fun_#t~mem12, test_fun_#t~nondet13, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~short11, test_fun_#t~mem14, test_fun_~x, test_fun_~tmp, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~tmp := test_fun_#in~tmp;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~tmp, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(test_fun_#t~nondet4, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet4; 193#L554-11 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 183#L554-1 [2021-10-28 22:46:56,489 INFO L793 eck$LassoCheckResult]: Loop: 183#L554-1 assume !test_fun_#t~short7; 186#L554-3 test_fun_#t~short9 := test_fun_#t~short7; 187#L554-4 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 1073741824; 191#L554-6 test_fun_#t~short11 := test_fun_#t~short9; 177#L554-7 assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short11 := test_fun_~x == 2 * test_fun_#t~mem10; 178#L554-9 assume !!test_fun_#t~short11;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;havoc test_fun_#t~mem8;havoc test_fun_#t~short9;havoc test_fun_#t~mem10;havoc test_fun_#t~short11;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12;call write~int(test_fun_#t~nondet13, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet13; 181#L554-11 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 183#L554-1 [2021-10-28 22:46:56,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:46:56,489 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-10-28 22:46:56,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:46:56,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951487781] [2021-10-28 22:46:56,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:46:56,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:46:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:46:56,506 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:46:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:46:56,539 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:46:56,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:46:56,540 INFO L85 PathProgramCache]: Analyzing trace with hash -74889736, now seen corresponding path program 1 times [2021-10-28 22:46:56,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:46:56,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316286615] [2021-10-28 22:46:56,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:46:56,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:46:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:46:56,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:46:56,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:46:56,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316286615] [2021-10-28 22:46:56,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316286615] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:46:56,596 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:46:56,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:46:56,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087967202] [2021-10-28 22:46:56,599 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 22:46:56,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:46:56,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:46:56,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:46:56,606 INFO L87 Difference]: Start difference. First operand 23 states and 32 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:46:56,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:46:56,647 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2021-10-28 22:46:56,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 22:46:56,648 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2021-10-28 22:46:56,652 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-28 22:46:56,660 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 34 transitions. [2021-10-28 22:46:56,660 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-28 22:46:56,660 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-28 22:46:56,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2021-10-28 22:46:56,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:46:56,661 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2021-10-28 22:46:56,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2021-10-28 22:46:56,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2021-10-28 22:46:56,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 22 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:46:56,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2021-10-28 22:46:56,663 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2021-10-28 22:46:56,663 INFO L587 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2021-10-28 22:46:56,664 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 22:46:56,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 30 transitions. [2021-10-28 22:46:56,664 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-28 22:46:56,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:46:56,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:46:56,665 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 22:46:56,665 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:46:56,665 INFO L791 eck$LassoCheckResult]: Stem: 233#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 234#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~tmp := main_#t~nondet15, main_#t~nondet16;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~nondet4, test_fun_#t~mem12, test_fun_#t~nondet13, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~short11, test_fun_#t~mem14, test_fun_~x, test_fun_~tmp, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~tmp := test_fun_#in~tmp;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~tmp, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(test_fun_#t~nondet4, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet4; 249#L554-11 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 242#L554-1 [2021-10-28 22:46:56,666 INFO L793 eck$LassoCheckResult]: Loop: 242#L554-1 assume !test_fun_#t~short7; 244#L554-3 test_fun_#t~short9 := test_fun_#t~short7; 245#L554-4 assume !test_fun_#t~short9; 250#L554-6 test_fun_#t~short11 := test_fun_#t~short9; 235#L554-7 assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);test_fun_#t~short11 := test_fun_~x == 2 * test_fun_#t~mem10; 236#L554-9 assume !!test_fun_#t~short11;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;havoc test_fun_#t~mem8;havoc test_fun_#t~short9;havoc test_fun_#t~mem10;havoc test_fun_#t~short11;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12;call write~int(test_fun_#t~nondet13, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~nondet13; 239#L554-11 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 242#L554-1 [2021-10-28 22:46:56,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:46:56,666 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2021-10-28 22:46:56,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:46:56,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886411091] [2021-10-28 22:46:56,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:46:56,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:46:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:46:56,681 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:46:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:46:56,696 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:46:56,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:46:56,697 INFO L85 PathProgramCache]: Analyzing trace with hash -73042694, now seen corresponding path program 1 times [2021-10-28 22:46:56,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:46:56,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480413607] [2021-10-28 22:46:56,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:46:56,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:46:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:46:56,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:46:56,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:46:56,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480413607] [2021-10-28 22:46:56,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480413607] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:46:56,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:46:56,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:46:56,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956003069] [2021-10-28 22:46:56,734 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 22:46:56,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:46:56,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:46:56,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:46:56,736 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:46:56,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:46:56,790 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2021-10-28 22:46:56,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 22:46:56,790 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 26 transitions. [2021-10-28 22:46:56,792 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:46:56,792 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2021-10-28 22:46:56,792 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 22:46:56,793 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 22:46:56,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 22:46:56,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:46:56,793 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:46:56,793 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:46:56,793 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:46:56,793 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 22:46:56,794 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:46:56,794 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:46:56,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 22:46:56,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 10:46:56 BoogieIcfgContainer [2021-10-28 22:46:56,801 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 22:46:56,801 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:46:56,802 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:46:56,802 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:46:56,803 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:46:52" (3/4) ... [2021-10-28 22:46:56,806 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 22:46:56,806 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:46:56,814 INFO L168 Benchmark]: Toolchain (without parser) took 5679.70 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 57.0 MB in the beginning and 74.3 MB in the end (delta: -17.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-10-28 22:46:56,815 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 88.1 MB. Free memory was 57.1 MB in the beginning and 57.1 MB in the end (delta: 34.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:46:56,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.60 ms. Allocated memory is still 88.1 MB. Free memory was 56.7 MB in the beginning and 41.9 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 22:46:56,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.32 ms. Allocated memory is still 88.1 MB. Free memory was 41.9 MB in the beginning and 40.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:46:56,818 INFO L168 Benchmark]: Boogie Preprocessor took 26.49 ms. Allocated memory is still 88.1 MB. Free memory was 40.0 MB in the beginning and 38.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:46:56,823 INFO L168 Benchmark]: RCFGBuilder took 413.72 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 38.8 MB in the beginning and 96.3 MB in the end (delta: -57.5 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2021-10-28 22:46:56,826 INFO L168 Benchmark]: BuchiAutomizer took 4604.19 ms. Allocated memory is still 121.6 MB. Free memory was 96.3 MB in the beginning and 74.3 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:46:56,827 INFO L168 Benchmark]: Witness Printer took 4.91 ms. Allocated memory is still 121.6 MB. Free memory is still 74.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:46:56,831 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 88.1 MB. Free memory was 57.1 MB in the beginning and 57.1 MB in the end (delta: 34.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 578.60 ms. Allocated memory is still 88.1 MB. Free memory was 56.7 MB in the beginning and 41.9 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.32 ms. Allocated memory is still 88.1 MB. Free memory was 41.9 MB in the beginning and 40.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.49 ms. Allocated memory is still 88.1 MB. Free memory was 40.0 MB in the beginning and 38.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 413.72 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 38.8 MB in the beginning and 96.3 MB in the end (delta: -57.5 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4604.19 ms. Allocated memory is still 121.6 MB. Free memory was 96.3 MB in the beginning and 74.3 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.91 ms. Allocated memory is still 121.6 MB. Free memory is still 74.3 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 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 23 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 27 SDtfs, 64 SDslu, 49 SDs, 0 SdLazy, 60 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital220 mio100 ax108 hnf100 lsp87 ukn64 mio100 lsp39 div100 bol100 ite100 ukn100 eq175 hnf89 smp96 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 22:46:56,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743f6d76-f228-4a60-b453-e0b127a0429b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...