./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa9e9016dfea9d3151a33276b3d3b18b426fc159 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:27:51,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:27:51,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:27:51,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:27:51,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:27:51,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:27:51,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:27:51,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:27:51,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:27:51,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:27:51,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:27:51,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:27:51,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:27:51,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:27:51,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:27:51,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:27:51,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:27:51,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:27:51,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:27:51,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:27:51,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:27:51,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:27:51,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:27:51,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:27:51,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:27:51,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:27:51,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:27:51,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:27:51,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:27:51,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:27:51,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:27:51,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:27:51,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:27:51,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:27:51,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:27:51,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:27:51,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:27:51,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:27:51,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:27:51,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:27:51,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:27:51,599 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-11 00:27:51,640 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:27:51,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:27:51,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:27:51,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:27:51,650 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:27:51,650 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:27:51,651 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:27:51,651 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:27:51,651 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:27:51,651 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:27:51,652 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:27:51,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:27:51,653 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:27:51,653 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:27:51,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:27:51,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:27:51,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:27:51,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:27:51,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:27:51,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:27:51,655 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:27:51,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:27:51,655 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:27:51,655 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:27:51,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:27:51,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:27:51,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:27:51,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:27:51,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:27:51,658 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:27:51,659 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:27:51,660 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_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa9e9016dfea9d3151a33276b3d3b18b426fc159 [2021-10-11 00:27:51,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:27:51,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:27:51,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:27:52,009 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:27:52,010 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:27:52,012 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c [2021-10-11 00:27:52,092 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/data/47e2b407a/e04bed0bb580408f85c88f25f084a531/FLAGe89a989e3 [2021-10-11 00:27:52,674 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:27:52,674 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c [2021-10-11 00:27:52,693 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/data/47e2b407a/e04bed0bb580408f85c88f25f084a531/FLAGe89a989e3 [2021-10-11 00:27:52,969 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/data/47e2b407a/e04bed0bb580408f85c88f25f084a531 [2021-10-11 00:27:52,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:27:52,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:27:52,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:27:52,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:27:52,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:27:52,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:52" (1/1) ... [2021-10-11 00:27:52,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@468ebb35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:52, skipping insertion in model container [2021-10-11 00:27:52,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:52" (1/1) ... [2021-10-11 00:27:52,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:27:53,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:27:53,366 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c[20056,20069] [2021-10-11 00:27:53,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:27:53,377 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:27:53,477 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c[20056,20069] [2021-10-11 00:27:53,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:27:53,496 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:27:53,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:53 WrapperNode [2021-10-11 00:27:53,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:27:53,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:27:53,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:27:53,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:27:53,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:53" (1/1) ... [2021-10-11 00:27:53,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:53" (1/1) ... [2021-10-11 00:27:53,553 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:27:53,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:27:53,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:27:53,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:27:53,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:53" (1/1) ... [2021-10-11 00:27:53,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:53" (1/1) ... [2021-10-11 00:27:53,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:53" (1/1) ... [2021-10-11 00:27:53,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:53" (1/1) ... [2021-10-11 00:27:53,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:53" (1/1) ... [2021-10-11 00:27:53,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:53" (1/1) ... [2021-10-11 00:27:53,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:53" (1/1) ... [2021-10-11 00:27:53,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:27:53,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:27:53,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:27:53,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:27:53,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:53" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:27:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:27:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:27:53,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:27:54,693 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:27:54,694 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2021-10-11 00:27:54,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:54 BoogieIcfgContainer [2021-10-11 00:27:54,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:27:54,698 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:27:54,698 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:27:54,701 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:27:54,702 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:27:54,702 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:27:52" (1/3) ... [2021-10-11 00:27:54,704 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@679f2003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:27:54, skipping insertion in model container [2021-10-11 00:27:54,704 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:27:54,704 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:53" (2/3) ... [2021-10-11 00:27:54,705 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@679f2003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:27:54, skipping insertion in model container [2021-10-11 00:27:54,705 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:27:54,705 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:54" (3/3) ... [2021-10-11 00:27:54,707 INFO L389 chiAutomizerObserver]: Analyzing ICFG pals_lcr.7.1.ufo.BOUNDED-14.pals.c [2021-10-11 00:27:54,756 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:27:54,757 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:27:54,757 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:27:54,757 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:27:54,757 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:27:54,757 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:27:54,758 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:27:54,758 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:27:54,776 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 127 states. [2021-10-11 00:27:54,804 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 67 [2021-10-11 00:27:54,805 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:27:54,805 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:27:54,814 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:54,818 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:54,818 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:27:54,818 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 127 states. [2021-10-11 00:27:54,827 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 67 [2021-10-11 00:27:54,830 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:27:54,830 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:27:54,834 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:54,835 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:54,842 INFO L794 eck$LassoCheckResult]: Stem: 96#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0; 10#L-1true havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet14;havoc main_#t~nondet14;~id1~0 := main_#t~nondet15;havoc main_#t~nondet15;~st1~0 := main_#t~nondet16;havoc main_#t~nondet16;~send1~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id2~0 := main_#t~nondet19;havoc main_#t~nondet19;~st2~0 := main_#t~nondet20;havoc main_#t~nondet20;~send2~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode2~0 := main_#t~nondet22;havoc main_#t~nondet22;~id3~0 := main_#t~nondet23;havoc main_#t~nondet23;~st3~0 := main_#t~nondet24;havoc main_#t~nondet24;~send3~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode3~0 := main_#t~nondet26;havoc main_#t~nondet26;~id4~0 := main_#t~nondet27;havoc main_#t~nondet27;~st4~0 := main_#t~nondet28;havoc main_#t~nondet28;~send4~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode4~0 := main_#t~nondet30;havoc main_#t~nondet30;~id5~0 := main_#t~nondet31;havoc main_#t~nondet31;~st5~0 := main_#t~nondet32;havoc main_#t~nondet32;~send5~0 := main_#t~nondet33;havoc main_#t~nondet33;~mode5~0 := main_#t~nondet34;havoc main_#t~nondet34;~id6~0 := main_#t~nondet35;havoc main_#t~nondet35;~st6~0 := main_#t~nondet36;havoc main_#t~nondet36;~send6~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode6~0 := main_#t~nondet38;havoc main_#t~nondet38;~id7~0 := main_#t~nondet39;havoc main_#t~nondet39;~st7~0 := main_#t~nondet40;havoc main_#t~nondet40;~send7~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode7~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 51#L262true assume !(0 == ~r1~0);init_~tmp~0 := 0; 49#L262-1true init_#res := init_~tmp~0; 68#L463true main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 98#L22true assume !(0 == assume_abort_if_not_~cond); 13#L21true ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;main_~i2~0 := 0; 121#L547-2true [2021-10-11 00:27:54,850 INFO L796 eck$LassoCheckResult]: Loop: 121#L547-2true assume !!(main_~i2~0 < 14);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 110#L85true assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p7_old~0;~p7_old~0 := ~nomsg~0; 48#L89true assume !(node1_~m1~0 != ~nomsg~0); 47#L89-1true ~mode1~0 := 0; 90#L85-2true havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 71#L113true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 59#L116true assume !(node2_~m2~0 != ~nomsg~0); 57#L116-1true ~mode2~0 := 0; 69#L113-2true havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 76#L138true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 65#L141true assume !(node3_~m3~0 != ~nomsg~0); 64#L141-1true ~mode3~0 := 0; 55#L138-2true havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 66#L163true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 35#L166true assume !(node4_~m4~0 != ~nomsg~0); 34#L166-1true ~mode4~0 := 0; 62#L163-2true havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 36#L188true assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 41#L191true assume !(node5_~m5~0 != ~nomsg~0); 26#L191-1true ~mode5~0 := 0; 33#L188-2true havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 42#L213true assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 30#L216true assume !(node6_~m6~0 != ~nomsg~0); 29#L216-1true ~mode6~0 := 0; 25#L213-2true havoc node7_#t~ite13, node7_~m7~0;havoc node7_~m7~0;node7_~m7~0 := ~nomsg~0; 32#L238true assume !(0 != ~mode7~0 % 256); 50#L251true assume ~send7~0 != ~nomsg~0 && ~p7_new~0 == ~nomsg~0;node7_#t~ite13 := ~send7~0; 67#L251-2true ~p7_new~0 := (if node7_#t~ite13 % 256 <= 127 then node7_#t~ite13 % 256 else node7_#t~ite13 % 256 - 256);havoc node7_#t~ite13;~mode7~0 := 1; 28#L238-2true ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 72#L471true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 <= 1);check_~tmp~1 := 0; 74#L471-1true check_#res := check_~tmp~1; 37#L491true main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 112#L583true assume !(0 == assert_~arg % 256); 85#L578true main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 121#L547-2true [2021-10-11 00:27:54,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:54,857 INFO L82 PathProgramCache]: Analyzing trace with hash 2087378158, now seen corresponding path program 1 times [2021-10-11 00:27:54,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:54,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199149464] [2021-10-11 00:27:54,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:55,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:55,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199149464] [2021-10-11 00:27:55,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:55,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:27:55,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332044911] [2021-10-11 00:27:55,126 INFO L799 eck$LassoCheckResult]: stem already infeasible [2021-10-11 00:27:55,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:55,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1770676282, now seen corresponding path program 1 times [2021-10-11 00:27:55,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:55,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825684257] [2021-10-11 00:27:55,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:55,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:55,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825684257] [2021-10-11 00:27:55,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:55,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:27:55,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558735237] [2021-10-11 00:27:55,333 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:27:55,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:55,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:27:55,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:27:55,351 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 5 states. [2021-10-11 00:27:55,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:55,575 INFO L93 Difference]: Finished difference Result 130 states and 219 transitions. [2021-10-11 00:27:55,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:27:55,578 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 219 transitions. [2021-10-11 00:27:55,589 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2021-10-11 00:27:55,603 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 122 states and 162 transitions. [2021-10-11 00:27:55,606 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 122 [2021-10-11 00:27:55,607 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 122 [2021-10-11 00:27:55,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 122 states and 162 transitions. [2021-10-11 00:27:55,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:27:55,610 INFO L692 BuchiCegarLoop]: Abstraction has 122 states and 162 transitions. [2021-10-11 00:27:55,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states and 162 transitions. [2021-10-11 00:27:55,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-10-11 00:27:55,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2021-10-11 00:27:55,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 162 transitions. [2021-10-11 00:27:55,650 INFO L715 BuchiCegarLoop]: Abstraction has 122 states and 162 transitions. [2021-10-11 00:27:55,650 INFO L595 BuchiCegarLoop]: Abstraction has 122 states and 162 transitions. [2021-10-11 00:27:55,651 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-11 00:27:55,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 162 transitions. [2021-10-11 00:27:55,656 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2021-10-11 00:27:55,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:27:55,656 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:27:55,662 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:55,662 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:55,664 INFO L794 eck$LassoCheckResult]: Stem: 388#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0; 289#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet14;havoc main_#t~nondet14;~id1~0 := main_#t~nondet15;havoc main_#t~nondet15;~st1~0 := main_#t~nondet16;havoc main_#t~nondet16;~send1~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id2~0 := main_#t~nondet19;havoc main_#t~nondet19;~st2~0 := main_#t~nondet20;havoc main_#t~nondet20;~send2~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode2~0 := main_#t~nondet22;havoc main_#t~nondet22;~id3~0 := main_#t~nondet23;havoc main_#t~nondet23;~st3~0 := main_#t~nondet24;havoc main_#t~nondet24;~send3~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode3~0 := main_#t~nondet26;havoc main_#t~nondet26;~id4~0 := main_#t~nondet27;havoc main_#t~nondet27;~st4~0 := main_#t~nondet28;havoc main_#t~nondet28;~send4~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode4~0 := main_#t~nondet30;havoc main_#t~nondet30;~id5~0 := main_#t~nondet31;havoc main_#t~nondet31;~st5~0 := main_#t~nondet32;havoc main_#t~nondet32;~send5~0 := main_#t~nondet33;havoc main_#t~nondet33;~mode5~0 := main_#t~nondet34;havoc main_#t~nondet34;~id6~0 := main_#t~nondet35;havoc main_#t~nondet35;~st6~0 := main_#t~nondet36;havoc main_#t~nondet36;~send6~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode6~0 := main_#t~nondet38;havoc main_#t~nondet38;~id7~0 := main_#t~nondet39;havoc main_#t~nondet39;~st7~0 := main_#t~nondet40;havoc main_#t~nondet40;~send7~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode7~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 290#L262 assume 0 == ~r1~0; 279#L263 assume ~id1~0 >= 0; 280#L264 assume 0 == ~st1~0; 341#L265 assume ~send1~0 == ~id1~0; 291#L266 assume 0 == ~mode1~0 % 256; 292#L267 assume ~id2~0 >= 0; 345#L268 assume 0 == ~st2~0; 346#L269 assume ~send2~0 == ~id2~0; 381#L270 assume 0 == ~mode2~0 % 256; 311#L271 assume ~id3~0 >= 0; 312#L272 assume 0 == ~st3~0; 360#L273 assume ~send3~0 == ~id3~0; 281#L274 assume 0 == ~mode3~0 % 256; 282#L275 assume ~id4~0 >= 0; 342#L276 assume 0 == ~st4~0; 293#L277 assume ~send4~0 == ~id4~0; 294#L278 assume 0 == ~mode4~0 % 256; 347#L279 assume ~id5~0 >= 0; 348#L280 assume 0 == ~st5~0; 382#L281 assume ~send5~0 == ~id5~0; 313#L282 assume 0 == ~mode5~0 % 256; 314#L283 assume ~id6~0 >= 0; 361#L284 assume 0 == ~st6~0; 283#L285 assume ~send6~0 == ~id6~0; 284#L286 assume 0 == ~mode6~0 % 256; 368#L287 assume ~id7~0 >= 0; 297#L288 assume 0 == ~st7~0; 298#L289 assume ~send7~0 == ~id7~0; 349#L290 assume 0 == ~mode7~0 % 256; 350#L291 assume ~id1~0 != ~id2~0; 383#L292 assume ~id1~0 != ~id3~0; 315#L293 assume ~id1~0 != ~id4~0; 316#L294 assume ~id1~0 != ~id5~0; 362#L295 assume ~id1~0 != ~id6~0; 287#L296 assume ~id1~0 != ~id7~0; 288#L297 assume ~id2~0 != ~id3~0; 369#L298 assume ~id2~0 != ~id4~0; 301#L299 assume ~id2~0 != ~id5~0; 302#L300 assume ~id2~0 != ~id6~0; 351#L301 assume ~id2~0 != ~id7~0; 352#L302 assume ~id3~0 != ~id4~0; 374#L303 assume ~id3~0 != ~id5~0; 327#L304 assume ~id3~0 != ~id6~0; 328#L305 assume ~id3~0 != ~id7~0; 370#L306 assume ~id4~0 != ~id5~0; 299#L307 assume ~id4~0 != ~id6~0; 300#L308 assume ~id4~0 != ~id7~0; 366#L309 assume ~id5~0 != ~id6~0; 285#L310 assume ~id5~0 != ~id7~0; 286#L311 assume ~id6~0 != ~id7~0;init_~tmp~0 := 1; 357#L262-1 init_#res := init_~tmp~0; 358#L463 main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 373#L22 assume !(0 == assume_abort_if_not_~cond); 295#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;main_~i2~0 := 0; 296#L547-2 [2021-10-11 00:27:55,666 INFO L796 eck$LassoCheckResult]: Loop: 296#L547-2 assume !!(main_~i2~0 < 14);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 391#L85 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p7_old~0;~p7_old~0 := ~nomsg~0; 355#L89 assume !(node1_~m1~0 != ~nomsg~0); 353#L89-1 ~mode1~0 := 0; 354#L85-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 376#L113 assume !(0 != ~mode2~0 % 256); 377#L126 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 389#L126-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 365#L113-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 375#L138 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 371#L141 assume !(node3_~m3~0 != ~nomsg~0); 309#L141-1 ~mode3~0 := 0; 363#L138-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 364#L163 assume !(0 != ~mode4~0 % 256); 372#L176 assume !(~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0);node4_#t~ite10 := ~p4_new~0; 384#L176-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 332#L163-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 335#L188 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 336#L191 assume !(node5_~m5~0 != ~nomsg~0); 320#L191-1 ~mode5~0 := 0; 321#L188-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 330#L213 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 325#L216 assume !(node6_~m6~0 != ~nomsg~0); 324#L216-1 ~mode6~0 := 0; 318#L213-2 havoc node7_#t~ite13, node7_~m7~0;havoc node7_~m7~0;node7_~m7~0 := ~nomsg~0; 319#L238 assume 0 != ~mode7~0 % 256;node7_~m7~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 277#L241 assume !(node7_~m7~0 != ~nomsg~0); 275#L241-1 ~mode7~0 := 0; 276#L238-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 323#L471 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 <= 1);check_~tmp~1 := 0; 304#L471-1 check_#res := check_~tmp~1; 338#L491 main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 339#L583 assume !(0 == assert_~arg % 256); 385#L578 main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 296#L547-2 [2021-10-11 00:27:55,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:55,667 INFO L82 PathProgramCache]: Analyzing trace with hash 292839954, now seen corresponding path program 1 times [2021-10-11 00:27:55,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:55,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258040016] [2021-10-11 00:27:55,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:27:55,757 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:27:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:27:55,836 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:27:55,908 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:27:55,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:55,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1348546670, now seen corresponding path program 1 times [2021-10-11 00:27:55,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:55,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600390048] [2021-10-11 00:27:55,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:56,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:56,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600390048] [2021-10-11 00:27:56,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:56,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:27:56,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805324402] [2021-10-11 00:27:56,082 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:27:56,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:56,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:27:56,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:27:56,089 INFO L87 Difference]: Start difference. First operand 122 states and 162 transitions. cyclomatic complexity: 41 Second operand 5 states. [2021-10-11 00:27:56,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:56,174 INFO L93 Difference]: Finished difference Result 125 states and 164 transitions. [2021-10-11 00:27:56,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:27:56,176 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 164 transitions. [2021-10-11 00:27:56,180 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2021-10-11 00:27:56,183 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 122 states and 159 transitions. [2021-10-11 00:27:56,184 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 122 [2021-10-11 00:27:56,184 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 122 [2021-10-11 00:27:56,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 122 states and 159 transitions. [2021-10-11 00:27:56,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:27:56,192 INFO L692 BuchiCegarLoop]: Abstraction has 122 states and 159 transitions. [2021-10-11 00:27:56,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states and 159 transitions. [2021-10-11 00:27:56,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-10-11 00:27:56,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2021-10-11 00:27:56,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 159 transitions. [2021-10-11 00:27:56,207 INFO L715 BuchiCegarLoop]: Abstraction has 122 states and 159 transitions. [2021-10-11 00:27:56,207 INFO L595 BuchiCegarLoop]: Abstraction has 122 states and 159 transitions. [2021-10-11 00:27:56,207 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-11 00:27:56,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 159 transitions. [2021-10-11 00:27:56,208 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2021-10-11 00:27:56,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:27:56,210 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:27:56,215 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:56,215 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:56,216 INFO L794 eck$LassoCheckResult]: Stem: 647#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0; 548#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet14;havoc main_#t~nondet14;~id1~0 := main_#t~nondet15;havoc main_#t~nondet15;~st1~0 := main_#t~nondet16;havoc main_#t~nondet16;~send1~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id2~0 := main_#t~nondet19;havoc main_#t~nondet19;~st2~0 := main_#t~nondet20;havoc main_#t~nondet20;~send2~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode2~0 := main_#t~nondet22;havoc main_#t~nondet22;~id3~0 := main_#t~nondet23;havoc main_#t~nondet23;~st3~0 := main_#t~nondet24;havoc main_#t~nondet24;~send3~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode3~0 := main_#t~nondet26;havoc main_#t~nondet26;~id4~0 := main_#t~nondet27;havoc main_#t~nondet27;~st4~0 := main_#t~nondet28;havoc main_#t~nondet28;~send4~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode4~0 := main_#t~nondet30;havoc main_#t~nondet30;~id5~0 := main_#t~nondet31;havoc main_#t~nondet31;~st5~0 := main_#t~nondet32;havoc main_#t~nondet32;~send5~0 := main_#t~nondet33;havoc main_#t~nondet33;~mode5~0 := main_#t~nondet34;havoc main_#t~nondet34;~id6~0 := main_#t~nondet35;havoc main_#t~nondet35;~st6~0 := main_#t~nondet36;havoc main_#t~nondet36;~send6~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode6~0 := main_#t~nondet38;havoc main_#t~nondet38;~id7~0 := main_#t~nondet39;havoc main_#t~nondet39;~st7~0 := main_#t~nondet40;havoc main_#t~nondet40;~send7~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode7~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 549#L262 assume 0 == ~r1~0; 538#L263 assume ~id1~0 >= 0; 539#L264 assume 0 == ~st1~0; 600#L265 assume ~send1~0 == ~id1~0; 550#L266 assume 0 == ~mode1~0 % 256; 551#L267 assume ~id2~0 >= 0; 604#L268 assume 0 == ~st2~0; 605#L269 assume ~send2~0 == ~id2~0; 640#L270 assume 0 == ~mode2~0 % 256; 569#L271 assume ~id3~0 >= 0; 570#L272 assume 0 == ~st3~0; 619#L273 assume ~send3~0 == ~id3~0; 540#L274 assume 0 == ~mode3~0 % 256; 541#L275 assume ~id4~0 >= 0; 601#L276 assume 0 == ~st4~0; 552#L277 assume ~send4~0 == ~id4~0; 553#L278 assume 0 == ~mode4~0 % 256; 606#L279 assume ~id5~0 >= 0; 607#L280 assume 0 == ~st5~0; 641#L281 assume ~send5~0 == ~id5~0; 571#L282 assume 0 == ~mode5~0 % 256; 572#L283 assume ~id6~0 >= 0; 620#L284 assume 0 == ~st6~0; 542#L285 assume ~send6~0 == ~id6~0; 543#L286 assume 0 == ~mode6~0 % 256; 627#L287 assume ~id7~0 >= 0; 556#L288 assume 0 == ~st7~0; 557#L289 assume ~send7~0 == ~id7~0; 608#L290 assume 0 == ~mode7~0 % 256; 609#L291 assume ~id1~0 != ~id2~0; 642#L292 assume ~id1~0 != ~id3~0; 573#L293 assume ~id1~0 != ~id4~0; 574#L294 assume ~id1~0 != ~id5~0; 621#L295 assume ~id1~0 != ~id6~0; 546#L296 assume ~id1~0 != ~id7~0; 547#L297 assume ~id2~0 != ~id3~0; 628#L298 assume ~id2~0 != ~id4~0; 560#L299 assume ~id2~0 != ~id5~0; 561#L300 assume ~id2~0 != ~id6~0; 610#L301 assume ~id2~0 != ~id7~0; 611#L302 assume ~id3~0 != ~id4~0; 633#L303 assume ~id3~0 != ~id5~0; 585#L304 assume ~id3~0 != ~id6~0; 586#L305 assume ~id3~0 != ~id7~0; 629#L306 assume ~id4~0 != ~id5~0; 558#L307 assume ~id4~0 != ~id6~0; 559#L308 assume ~id4~0 != ~id7~0; 625#L309 assume ~id5~0 != ~id6~0; 544#L310 assume ~id5~0 != ~id7~0; 545#L311 assume ~id6~0 != ~id7~0;init_~tmp~0 := 1; 616#L262-1 init_#res := init_~tmp~0; 617#L463 main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 632#L22 assume !(0 == assume_abort_if_not_~cond); 554#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;main_~i2~0 := 0; 555#L547-2 [2021-10-11 00:27:56,216 INFO L796 eck$LassoCheckResult]: Loop: 555#L547-2 assume !!(main_~i2~0 < 14);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 650#L85 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p7_old~0;~p7_old~0 := ~nomsg~0; 614#L89 assume !(node1_~m1~0 != ~nomsg~0); 612#L89-1 ~mode1~0 := 0; 613#L85-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 635#L113 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 626#L116 assume !(node2_~m2~0 != ~nomsg~0); 565#L116-1 ~mode2~0 := 0; 624#L113-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 634#L138 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 630#L141 assume !(node3_~m3~0 != ~nomsg~0); 567#L141-1 ~mode3~0 := 0; 622#L138-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 623#L163 assume !(0 != ~mode4~0 % 256); 631#L176 assume !(~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0);node4_#t~ite10 := ~p4_new~0; 643#L176-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 590#L163-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 593#L188 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 594#L191 assume !(node5_~m5~0 != ~nomsg~0); 578#L191-1 ~mode5~0 := 0; 579#L188-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 588#L213 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 583#L216 assume !(node6_~m6~0 != ~nomsg~0); 582#L216-1 ~mode6~0 := 0; 576#L213-2 havoc node7_#t~ite13, node7_~m7~0;havoc node7_~m7~0;node7_~m7~0 := ~nomsg~0; 577#L238 assume 0 != ~mode7~0 % 256;node7_~m7~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 536#L241 assume !(node7_~m7~0 != ~nomsg~0); 534#L241-1 ~mode7~0 := 0; 535#L238-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 581#L471 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 <= 1; 575#L472 assume ~r1~0 >= 7; 563#L476 assume ~r1~0 < 7;check_~tmp~1 := 1; 599#L471-1 check_#res := check_~tmp~1; 596#L491 main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 597#L583 assume !(0 == assert_~arg % 256); 644#L578 main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 555#L547-2 [2021-10-11 00:27:56,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:56,217 INFO L82 PathProgramCache]: Analyzing trace with hash 292839954, now seen corresponding path program 2 times [2021-10-11 00:27:56,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:56,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513486445] [2021-10-11 00:27:56,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:27:56,269 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:27:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:27:56,301 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:27:56,332 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:27:56,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:56,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1304155880, now seen corresponding path program 1 times [2021-10-11 00:27:56,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:56,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339847536] [2021-10-11 00:27:56,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:56,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339847536] [2021-10-11 00:27:56,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:56,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:27:56,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702851639] [2021-10-11 00:27:56,380 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:27:56,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:56,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:56,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:56,381 INFO L87 Difference]: Start difference. First operand 122 states and 159 transitions. cyclomatic complexity: 38 Second operand 3 states. [2021-10-11 00:27:56,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:56,417 INFO L93 Difference]: Finished difference Result 182 states and 251 transitions. [2021-10-11 00:27:56,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:56,419 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 182 states and 251 transitions. [2021-10-11 00:27:56,422 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 126 [2021-10-11 00:27:56,425 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 182 states to 182 states and 251 transitions. [2021-10-11 00:27:56,425 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 182 [2021-10-11 00:27:56,426 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 182 [2021-10-11 00:27:56,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 182 states and 251 transitions. [2021-10-11 00:27:56,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:27:56,432 INFO L692 BuchiCegarLoop]: Abstraction has 182 states and 251 transitions. [2021-10-11 00:27:56,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states and 251 transitions. [2021-10-11 00:27:56,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2021-10-11 00:27:56,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2021-10-11 00:27:56,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 251 transitions. [2021-10-11 00:27:56,449 INFO L715 BuchiCegarLoop]: Abstraction has 182 states and 251 transitions. [2021-10-11 00:27:56,449 INFO L595 BuchiCegarLoop]: Abstraction has 182 states and 251 transitions. [2021-10-11 00:27:56,449 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-11 00:27:56,449 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 182 states and 251 transitions. [2021-10-11 00:27:56,450 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 126 [2021-10-11 00:27:56,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:27:56,451 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:27:56,453 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:56,453 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:56,454 INFO L794 eck$LassoCheckResult]: Stem: 965#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0; 858#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet14;havoc main_#t~nondet14;~id1~0 := main_#t~nondet15;havoc main_#t~nondet15;~st1~0 := main_#t~nondet16;havoc main_#t~nondet16;~send1~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id2~0 := main_#t~nondet19;havoc main_#t~nondet19;~st2~0 := main_#t~nondet20;havoc main_#t~nondet20;~send2~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode2~0 := main_#t~nondet22;havoc main_#t~nondet22;~id3~0 := main_#t~nondet23;havoc main_#t~nondet23;~st3~0 := main_#t~nondet24;havoc main_#t~nondet24;~send3~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode3~0 := main_#t~nondet26;havoc main_#t~nondet26;~id4~0 := main_#t~nondet27;havoc main_#t~nondet27;~st4~0 := main_#t~nondet28;havoc main_#t~nondet28;~send4~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode4~0 := main_#t~nondet30;havoc main_#t~nondet30;~id5~0 := main_#t~nondet31;havoc main_#t~nondet31;~st5~0 := main_#t~nondet32;havoc main_#t~nondet32;~send5~0 := main_#t~nondet33;havoc main_#t~nondet33;~mode5~0 := main_#t~nondet34;havoc main_#t~nondet34;~id6~0 := main_#t~nondet35;havoc main_#t~nondet35;~st6~0 := main_#t~nondet36;havoc main_#t~nondet36;~send6~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode6~0 := main_#t~nondet38;havoc main_#t~nondet38;~id7~0 := main_#t~nondet39;havoc main_#t~nondet39;~st7~0 := main_#t~nondet40;havoc main_#t~nondet40;~send7~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode7~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 859#L262 assume 0 == ~r1~0; 848#L263 assume ~id1~0 >= 0; 849#L264 assume 0 == ~st1~0; 912#L265 assume ~send1~0 == ~id1~0; 860#L266 assume 0 == ~mode1~0 % 256; 861#L267 assume ~id2~0 >= 0; 918#L268 assume 0 == ~st2~0; 919#L269 assume ~send2~0 == ~id2~0; 956#L270 assume 0 == ~mode2~0 % 256; 879#L271 assume ~id3~0 >= 0; 880#L272 assume 0 == ~st3~0; 933#L273 assume ~send3~0 == ~id3~0; 850#L274 assume 0 == ~mode3~0 % 256; 851#L275 assume ~id4~0 >= 0; 913#L276 assume 0 == ~st4~0; 862#L277 assume ~send4~0 == ~id4~0; 863#L278 assume 0 == ~mode4~0 % 256; 920#L279 assume ~id5~0 >= 0; 921#L280 assume 0 == ~st5~0; 957#L281 assume ~send5~0 == ~id5~0; 881#L282 assume 0 == ~mode5~0 % 256; 882#L283 assume ~id6~0 >= 0; 934#L284 assume 0 == ~st6~0; 852#L285 assume ~send6~0 == ~id6~0; 853#L286 assume 0 == ~mode6~0 % 256; 941#L287 assume ~id7~0 >= 0; 866#L288 assume 0 == ~st7~0; 867#L289 assume ~send7~0 == ~id7~0; 922#L290 assume 0 == ~mode7~0 % 256; 923#L291 assume ~id1~0 != ~id2~0; 958#L292 assume ~id1~0 != ~id3~0; 883#L293 assume ~id1~0 != ~id4~0; 884#L294 assume ~id1~0 != ~id5~0; 935#L295 assume ~id1~0 != ~id6~0; 856#L296 assume ~id1~0 != ~id7~0; 857#L297 assume ~id2~0 != ~id3~0; 942#L298 assume ~id2~0 != ~id4~0; 870#L299 assume ~id2~0 != ~id5~0; 871#L300 assume ~id2~0 != ~id6~0; 924#L301 assume ~id2~0 != ~id7~0; 925#L302 assume ~id3~0 != ~id4~0; 950#L303 assume ~id3~0 != ~id5~0; 896#L304 assume ~id3~0 != ~id6~0; 897#L305 assume ~id3~0 != ~id7~0; 944#L306 assume ~id4~0 != ~id5~0; 868#L307 assume ~id4~0 != ~id6~0; 869#L308 assume ~id4~0 != ~id7~0; 939#L309 assume ~id5~0 != ~id6~0; 854#L310 assume ~id5~0 != ~id7~0; 855#L311 assume ~id6~0 != ~id7~0;init_~tmp~0 := 1; 930#L262-1 init_#res := init_~tmp~0; 931#L463 main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 948#L22 assume !(0 == assume_abort_if_not_~cond); 864#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;main_~i2~0 := 0; 865#L547-2 [2021-10-11 00:27:56,455 INFO L796 eck$LassoCheckResult]: Loop: 865#L547-2 assume !!(main_~i2~0 < 14);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 1022#L85 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p7_old~0;~p7_old~0 := ~nomsg~0; 928#L89 assume !(node1_~m1~0 != ~nomsg~0); 926#L89-1 ~mode1~0 := 0; 927#L85-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 1018#L113 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 1016#L116 assume !(node2_~m2~0 != ~nomsg~0); 1014#L116-1 ~mode2~0 := 0; 1012#L113-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 1011#L138 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 1008#L141 assume !(node3_~m3~0 != ~nomsg~0); 1006#L141-1 ~mode3~0 := 0; 1004#L138-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 1003#L163 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 1000#L166 assume !(node4_~m4~0 != ~nomsg~0); 998#L166-1 ~mode4~0 := 0; 996#L163-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 905#L188 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 906#L191 assume !(node5_~m5~0 != ~nomsg~0); 889#L191-1 ~mode5~0 := 0; 890#L188-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 900#L213 assume !(0 != ~mode6~0 % 256); 917#L226 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 955#L226-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 887#L213-2 havoc node7_#t~ite13, node7_~m7~0;havoc node7_~m7~0;node7_~m7~0 := ~nomsg~0; 888#L238 assume 0 != ~mode7~0 % 256;node7_~m7~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 898#L241 assume !(node7_~m7~0 != ~nomsg~0); 977#L241-1 ~mode7~0 := 0; 976#L238-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 975#L471 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 <= 1; 974#L472 assume !(~r1~0 >= 7); 872#L475 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0; 873#L476 assume ~r1~0 < 7;check_~tmp~1 := 1; 993#L471-1 check_#res := check_~tmp~1; 1025#L491 main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1024#L583 assume !(0 == assert_~arg % 256); 1023#L578 main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 865#L547-2 [2021-10-11 00:27:56,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:56,455 INFO L82 PathProgramCache]: Analyzing trace with hash 292839954, now seen corresponding path program 3 times [2021-10-11 00:27:56,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:56,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368847887] [2021-10-11 00:27:56,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:27:56,490 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:27:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:27:56,515 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:27:56,538 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:27:56,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:56,539 INFO L82 PathProgramCache]: Analyzing trace with hash -897322981, now seen corresponding path program 1 times [2021-10-11 00:27:56,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:56,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560001830] [2021-10-11 00:27:56,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:27:56,555 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:27:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:27:56,574 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:27:56,581 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:27:56,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:56,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1744909482, now seen corresponding path program 1 times [2021-10-11 00:27:56,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:56,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510216653] [2021-10-11 00:27:56,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:56,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:56,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510216653] [2021-10-11 00:27:56,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:56,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:27:56,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912855827] [2021-10-11 00:27:57,670 WARN L197 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 183 [2021-10-11 00:27:58,237 WARN L197 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 157 [2021-10-11 00:27:58,247 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:27:58,247 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:27:58,247 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:27:58,247 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:27:58,247 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:27:58,248 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:58,248 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:27:58,248 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:27:58,248 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.7.1.ufo.BOUNDED-14.pals.c_Iteration4_Loop [2021-10-11 00:27:58,248 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:27:58,248 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:27:58,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:58,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:58,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:58,470 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-10-11 00:27:58,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:58,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:58,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:58,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:58,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:58,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:58,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:58,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:58,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:58,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:58,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:58,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:58,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:58,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:58,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:58,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:58,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:58,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:58,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:58,841 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-10-11 00:28:01,307 WARN L197 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2021-10-11 00:28:01,527 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:28:01,527 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:28:01,537 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:28:01,537 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:28:01,571 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:28:01,571 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:28:01,712 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:28:01,715 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:28:01,715 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:28:01,715 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:28:01,715 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:28:01,715 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:28:01,715 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:28:01,715 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:28:01,715 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:28:01,715 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.7.1.ufo.BOUNDED-14.pals.c_Iteration4_Loop [2021-10-11 00:28:01,716 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:28:01,716 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:28:01,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:28:01,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:28:01,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:28:01,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:28:01,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:28:01,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:28:01,904 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-10-11 00:28:01,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:28:01,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:28:01,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:28:01,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:28:01,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:28:01,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:28:01,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:28:01,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:28:01,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:28:01,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:28:01,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:28:01,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:28:01,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:28:01,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:28:01,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:28:01,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:28:02,306 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-10-11 00:28:04,498 WARN L197 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2021-10-11 00:28:04,586 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:28:04,590 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:28:04,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:28:04,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:28:04,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:28:04,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:28:04,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:28:04,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:28:04,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:28:04,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:28:04,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:28:04,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:28:04,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:28:04,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:28:04,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:28:04,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:28:04,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:28:04,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:28:04,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:28:04,640 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:28:04,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:28:04,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:28:04,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:28:04,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:28:04,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:28:04,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:28:04,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:28:04,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:28:04,668 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:28:04,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:28:04,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:28:04,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:28:04,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:28:04,689 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-11 00:28:04,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:28:04,693 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:28:04,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:28:04,720 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:28:04,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:28:04,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:28:04,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:28:04,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:28:04,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:28:04,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:28:04,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:28:04,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:28:04,748 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:28:04,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:28:04,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:28:04,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:28:04,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:28:04,776 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-10-11 00:28:04,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:28:04,833 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-11 00:28:04,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:28:04,876 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:28:04,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:28:04,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:28:04,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:28:04,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:28:04,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:28:04,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:28:04,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:28:04,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:28:04,936 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:28:04,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:28:04,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:28:04,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:28:04,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:28:04,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:28:04,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:28:04,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:28:04,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:28:04,992 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:28:05,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:28:05,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:28:05,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:28:05,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:28:05,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:28:05,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:28:05,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:28:05,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:28:05,035 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:28:05,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:28:05,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:28:05,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:28:05,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:28:05,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:28:05,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:28:05,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:28:05,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:28:05,064 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:28:05,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:28:05,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:28:05,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:28:05,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:28:05,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:28:05,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:28:05,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:28:05,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:28:05,087 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:28:05,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:28:05,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:28:05,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:28:05,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:28:05,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:28:05,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:28:05,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:28:05,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:28:05,129 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:28:05,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:28:05,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:28:05,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:28:05,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:28:05,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:28:05,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:28:05,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:28:05,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:28:05,158 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:28:05,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:28:05,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:28:05,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:28:05,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:28:05,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:28:05,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:28:05,180 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:28:05,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:28:05,189 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:28:05,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:28:05,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:28:05,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:28:05,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:28:05,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:28:05,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:28:05,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:28:05,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:28:05,217 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:28:05,249 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-11 00:28:05,249 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f845796-3f0f-4b7a-a8d0-e60ab6f90cfd/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:28:05,253 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:28:05,253 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-11 00:28:05,253 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:28:05,254 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 27 Supporting invariants [] Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:28:05,284 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-11 00:28:05,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:05,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:28:05,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:28:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:05,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:28:05,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:28:05,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:28:05,668 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-11 00:28:05,669 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 182 states and 251 transitions. cyclomatic complexity: 70 Second operand 3 states. [2021-10-11 00:28:05,739 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 182 states and 251 transitions. cyclomatic complexity: 70. Second operand 3 states. Result 307 states and 446 transitions. Complement of second has 4 states. [2021-10-11 00:28:05,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-11 00:28:05,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-11 00:28:05,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2021-10-11 00:28:05,742 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 159 transitions. Stem has 56 letters. Loop has 37 letters. [2021-10-11 00:28:05,744 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:28:05,744 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 159 transitions. Stem has 93 letters. Loop has 37 letters. [2021-10-11 00:28:05,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:28:05,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 159 transitions. Stem has 56 letters. Loop has 74 letters. [2021-10-11 00:28:05,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:28:05,750 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 307 states and 446 transitions. [2021-10-11 00:28:05,753 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:28:05,753 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 307 states to 0 states and 0 transitions. [2021-10-11 00:28:05,754 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:28:05,754 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:28:05,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:28:05,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:28:05,754 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:28:05,754 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:28:05,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:05,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:28:05,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:28:05,755 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2021-10-11 00:28:05,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:05,755 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-11 00:28:05,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:28:05,756 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-11 00:28:05,756 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:28:05,756 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:28:05,756 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:28:05,756 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:28:05,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:28:05,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:28:05,757 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:28:05,757 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:28:05,757 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:28:05,757 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-11 00:28:05,757 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:28:05,757 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:28:05,757 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-11 00:28:05,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:28:05 BoogieIcfgContainer [2021-10-11 00:28:05,763 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:28:05,763 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:28:05,764 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:28:05,764 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:28:05,764 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:54" (3/4) ... [2021-10-11 00:28:05,767 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:28:05,767 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:28:05,768 INFO L168 Benchmark]: Toolchain (without parser) took 12794.94 ms. Allocated memory was 81.8 MB in the beginning and 262.1 MB in the end (delta: 180.4 MB). Free memory was 48.5 MB in the beginning and 167.6 MB in the end (delta: -119.0 MB). Peak memory consumption was 60.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:05,769 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 81.8 MB. Free memory was 53.6 MB in the beginning and 53.5 MB in the end (delta: 29.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:28:05,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.28 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 48.4 MB in the beginning and 73.6 MB in the end (delta: -25.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:05,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.06 ms. Allocated memory is still 102.8 MB. Free memory was 73.6 MB in the beginning and 70.5 MB in the end (delta: 3.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:28:05,775 INFO L168 Benchmark]: Boogie Preprocessor took 64.39 ms. Allocated memory is still 102.8 MB. Free memory was 70.5 MB in the beginning and 68.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:05,776 INFO L168 Benchmark]: RCFGBuilder took 1077.30 ms. Allocated memory is still 102.8 MB. Free memory was 68.5 MB in the beginning and 60.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 39.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:05,776 INFO L168 Benchmark]: BuchiAutomizer took 11065.08 ms. Allocated memory was 102.8 MB in the beginning and 262.1 MB in the end (delta: 159.4 MB). Free memory was 60.2 MB in the beginning and 167.6 MB in the end (delta: -107.4 MB). Peak memory consumption was 51.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:05,777 INFO L168 Benchmark]: Witness Printer took 3.75 ms. Allocated memory is still 262.1 MB. Free memory is still 167.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:28:05,784 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 81.8 MB. Free memory was 53.6 MB in the beginning and 53.5 MB in the end (delta: 29.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 523.28 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 48.4 MB in the beginning and 73.6 MB in the end (delta: -25.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.06 ms. Allocated memory is still 102.8 MB. Free memory was 73.6 MB in the beginning and 70.5 MB in the end (delta: 3.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.39 ms. Allocated memory is still 102.8 MB. Free memory was 70.5 MB in the beginning and 68.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1077.30 ms. Allocated memory is still 102.8 MB. Free memory was 68.5 MB in the beginning and 60.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 39.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 11065.08 ms. Allocated memory was 102.8 MB in the beginning and 262.1 MB in the end (delta: 159.4 MB). Free memory was 60.2 MB in the beginning and 167.6 MB in the end (delta: -107.4 MB). Peak memory consumption was 51.5 MB. Max. memory is 16.1 GB. * Witness Printer took 3.75 ms. Allocated memory is still 262.1 MB. Free memory is still 167.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 27 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.0s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 9.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 182 states and ocurred in iteration 3. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 779 SDtfs, 253 SDslu, 1316 SDs, 0 SdLazy, 36 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital235 mio100 ax100 hnf100 lsp57 ukn82 mio100 lsp100 div127 bol100 ite100 ukn100 eq197 hnf77 smp100 dnf727 smp49 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 107ms VariablesStem: 0 VariablesLoop: 38 DisjunctsStem: 1 DisjunctsLoop: 4 SupportingInvariants: 0 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...