./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-pthread/cs_stateful-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138254f0-74a9-48a9-9e71-37c4d66ce072/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138254f0-74a9-48a9-9e71-37c4d66ce072/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138254f0-74a9-48a9-9e71-37c4d66ce072/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138254f0-74a9-48a9-9e71-37c4d66ce072/bin/uautomizer-ZXIjhQolGL/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-pthread/cs_stateful-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138254f0-74a9-48a9-9e71-37c4d66ce072/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138254f0-74a9-48a9-9e71-37c4d66ce072/bin/uautomizer-ZXIjhQolGL --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 8ecae2ca1de1e5b446d807037ed0cb2d4fc04c355acb35a6870f18f7e175f10e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:21:51,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:21:51,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:21:52,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:21:52,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:21:52,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:21:52,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:21:52,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:21:52,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:21:52,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:21:52,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:21:52,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:21:52,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:21:52,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:21:52,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:21:52,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:21:52,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:21:52,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:21:52,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:21:52,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:21:52,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:21:52,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:21:52,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:21:52,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:21:52,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:21:52,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:21:52,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:21:52,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:21:52,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:21:52,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:21:52,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:21:52,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:21:52,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:21:52,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:21:52,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:21:52,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:21:52,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:21:52,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:21:52,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:21:52,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:21:52,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:21:52,107 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138254f0-74a9-48a9-9e71-37c4d66ce072/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-19 05:21:52,167 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:21:52,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:21:52,168 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:21:52,168 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:21:52,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:21:52,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:21:52,170 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:21:52,171 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-19 05:21:52,171 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-19 05:21:52,171 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-19 05:21:52,173 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-19 05:21:52,173 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-19 05:21:52,173 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-19 05:21:52,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:21:52,174 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:21:52,174 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 05:21:52,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:21:52,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:21:52,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:21:52,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-19 05:21:52,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-19 05:21:52,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-19 05:21:52,176 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:21:52,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:21:52,176 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-19 05:21:52,176 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:21:52,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-19 05:21:52,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:21:52,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:21:52,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:21:52,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:21:52,181 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:21:52,182 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-19 05:21:52,182 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_138254f0-74a9-48a9-9e71-37c4d66ce072/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138254f0-74a9-48a9-9e71-37c4d66ce072/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ecae2ca1de1e5b446d807037ed0cb2d4fc04c355acb35a6870f18f7e175f10e [2021-11-19 05:21:52,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:21:52,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:21:52,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:21:52,495 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:21:52,497 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:21:52,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138254f0-74a9-48a9-9e71-37c4d66ce072/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/seq-pthread/cs_stateful-1.i [2021-11-19 05:21:52,611 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138254f0-74a9-48a9-9e71-37c4d66ce072/bin/uautomizer-ZXIjhQolGL/data/e8f74408d/5f2940e48bca438891bcdf4240fdfb6d/FLAGf44ffd1d9 [2021-11-19 05:21:53,235 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:21:53,236 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138254f0-74a9-48a9-9e71-37c4d66ce072/sv-benchmarks/c/seq-pthread/cs_stateful-1.i [2021-11-19 05:21:53,255 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138254f0-74a9-48a9-9e71-37c4d66ce072/bin/uautomizer-ZXIjhQolGL/data/e8f74408d/5f2940e48bca438891bcdf4240fdfb6d/FLAGf44ffd1d9 [2021-11-19 05:21:53,509 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138254f0-74a9-48a9-9e71-37c4d66ce072/bin/uautomizer-ZXIjhQolGL/data/e8f74408d/5f2940e48bca438891bcdf4240fdfb6d [2021-11-19 05:21:53,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:21:53,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:21:53,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:21:53,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:21:53,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:21:53,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:53" (1/1) ... [2021-11-19 05:21:53,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f2b1815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:53, skipping insertion in model container [2021-11-19 05:21:53,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:53" (1/1) ... [2021-11-19 05:21:53,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:21:53,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:21:54,060 WARN L230 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_138254f0-74a9-48a9-9e71-37c4d66ce072/sv-benchmarks/c/seq-pthread/cs_stateful-1.i[23400,23413] [2021-11-19 05:21:54,193 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:21:54,216 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:21:54,271 WARN L230 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_138254f0-74a9-48a9-9e71-37c4d66ce072/sv-benchmarks/c/seq-pthread/cs_stateful-1.i[23400,23413] [2021-11-19 05:21:54,354 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:21:54,401 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:21:54,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54 WrapperNode [2021-11-19 05:21:54,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:21:54,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:21:54,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:21:54,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:21:54,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (1/1) ... [2021-11-19 05:21:54,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (1/1) ... [2021-11-19 05:21:54,572 INFO L137 Inliner]: procedures = 144, calls = 231, calls flagged for inlining = 51, calls inlined = 141, statements flattened = 2613 [2021-11-19 05:21:54,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:21:54,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:21:54,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:21:54,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:21:54,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (1/1) ... [2021-11-19 05:21:54,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (1/1) ... [2021-11-19 05:21:54,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (1/1) ... [2021-11-19 05:21:54,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (1/1) ... [2021-11-19 05:21:54,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (1/1) ... [2021-11-19 05:21:54,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (1/1) ... [2021-11-19 05:21:54,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (1/1) ... [2021-11-19 05:21:54,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:21:54,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:21:54,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:21:54,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:21:54,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (1/1) ... [2021-11-19 05:21:54,845 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:21:54,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138254f0-74a9-48a9-9e71-37c4d66ce072/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:21:54,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138254f0-74a9-48a9-9e71-37c4d66ce072/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:21:54,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138254f0-74a9-48a9-9e71-37c4d66ce072/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-19 05:21:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 05:21:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 05:21:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:21:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 05:21:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:21:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 05:21:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:21:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 05:21:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:21:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:21:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:21:55,229 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:21:55,231 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:21:55,256 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 05:21:55,257 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 05:21:55,288 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 05:21:55,288 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 05:21:55,311 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 05:21:55,312 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 05:21:59,146 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##706: assume !(~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256 < 2);assume false; [2021-11-19 05:21:59,146 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##707: assume !!(~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256 < 2);~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256; [2021-11-19 05:21:59,147 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##713: assume !(~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256 < 2);assume false; [2021-11-19 05:21:59,147 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##714: assume !!(~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256 < 2);~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256; [2021-11-19 05:21:59,147 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L558-10: assume { :end_inline___CS_cs } true; [2021-11-19 05:21:59,148 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L558-11: assume { :end_inline___CS_cs } true; [2021-11-19 05:21:59,148 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L558-12: assume { :end_inline___CS_cs } true; [2021-11-19 05:21:59,148 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L558-38: assume { :end_inline___CS_cs } true; [2021-11-19 05:21:59,148 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L558-39: assume { :end_inline___CS_cs } true; [2021-11-19 05:21:59,148 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L558-40: assume { :end_inline___CS_cs } true; [2021-11-19 05:21:59,149 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L558-66: assume { :end_inline___CS_cs } true; [2021-11-19 05:21:59,149 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L558-67: assume { :end_inline___CS_cs } true; [2021-11-19 05:21:59,149 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L558-68: assume { :end_inline___CS_cs } true; [2021-11-19 05:21:59,149 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L561-30: assume !(~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256 < 2);assume false; [2021-11-19 05:21:59,150 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L561-30: assume !!(~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256 < 2); [2021-11-19 05:21:59,150 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L561-32: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256; [2021-11-19 05:21:59,150 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-30: assume 0 != __CS_cs_#t~nondet4#1 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite5#1 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-19 05:21:59,150 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-30: assume !(0 != __CS_cs_#t~nondet4#1 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite5#1 := ~__CS_ret~0 % 256; [2021-11-19 05:21:59,150 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-32: ~__CS_ret~0 := __CS_cs_#t~ite5#1;havoc __CS_cs_#t~nondet4#1;havoc __CS_cs_#t~ite5#1; [2021-11-19 05:21:59,151 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-33: assume 0 != __CS_cs_#t~nondet4#1 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite5#1 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-19 05:21:59,151 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-33: assume !(0 != __CS_cs_#t~nondet4#1 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite5#1 := ~__CS_ret~0 % 256; [2021-11-19 05:21:59,151 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-35: ~__CS_ret~0 := __CS_cs_#t~ite5#1;havoc __CS_cs_#t~nondet4#1;havoc __CS_cs_#t~ite5#1; [2021-11-19 05:21:59,151 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-36: assume 0 != __CS_cs_#t~nondet4#1 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite5#1 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-19 05:21:59,152 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-36: assume !(0 != __CS_cs_#t~nondet4#1 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite5#1 := ~__CS_ret~0 % 256; [2021-11-19 05:21:59,152 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-38: ~__CS_ret~0 := __CS_cs_#t~ite5#1;havoc __CS_cs_#t~nondet4#1;havoc __CS_cs_#t~ite5#1; [2021-11-19 05:21:59,152 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L561-108: assume !(~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256 < 2);assume false; [2021-11-19 05:21:59,152 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L561-108: assume !!(~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256 < 2); [2021-11-19 05:21:59,152 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L561-110: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256; [2021-11-19 05:21:59,153 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##419: assume !!(~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256 < 2);~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256; [2021-11-19 05:21:59,153 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##418: assume !(~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256 < 2);assume false; [2021-11-19 05:21:59,153 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##426: assume !!(~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256 < 2);~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256; [2021-11-19 05:21:59,153 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##425: assume !(~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256 < 2);assume false; [2021-11-19 05:21:59,154 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-114: assume 0 != __CS_cs_#t~nondet4#1 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite5#1 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-19 05:21:59,154 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-114: assume !(0 != __CS_cs_#t~nondet4#1 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite5#1 := ~__CS_ret~0 % 256; [2021-11-19 05:21:59,154 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-116: ~__CS_ret~0 := __CS_cs_#t~ite5#1;havoc __CS_cs_#t~nondet4#1;havoc __CS_cs_#t~ite5#1; [2021-11-19 05:21:59,154 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-117: assume 0 != __CS_cs_#t~nondet4#1 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite5#1 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-19 05:21:59,154 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-117: assume !(0 != __CS_cs_#t~nondet4#1 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite5#1 := ~__CS_ret~0 % 256; [2021-11-19 05:21:59,156 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-119: ~__CS_ret~0 := __CS_cs_#t~ite5#1;havoc __CS_cs_#t~nondet4#1;havoc __CS_cs_#t~ite5#1; [2021-11-19 05:21:59,157 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-120: assume 0 != __CS_cs_#t~nondet4#1 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite5#1 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-19 05:21:59,157 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-120: assume !(0 != __CS_cs_#t~nondet4#1 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite5#1 := ~__CS_ret~0 % 256; [2021-11-19 05:21:59,157 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-122: ~__CS_ret~0 := __CS_cs_#t~ite5#1;havoc __CS_cs_#t~nondet4#1;havoc __CS_cs_#t~ite5#1; [2021-11-19 05:21:59,158 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L561-186: assume !(~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256 < 2);assume false; [2021-11-19 05:21:59,158 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L561-186: assume !!(~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256 < 2); [2021-11-19 05:21:59,158 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L561-188: ~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256; [2021-11-19 05:21:59,158 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-198: assume 0 != __CS_cs_#t~nondet4#1 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite5#1 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-19 05:21:59,160 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-198: assume !(0 != __CS_cs_#t~nondet4#1 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite5#1 := ~__CS_ret~0 % 256; [2021-11-19 05:21:59,160 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-200: ~__CS_ret~0 := __CS_cs_#t~ite5#1;havoc __CS_cs_#t~nondet4#1;havoc __CS_cs_#t~ite5#1; [2021-11-19 05:21:59,160 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-201: assume 0 != __CS_cs_#t~nondet4#1 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite5#1 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-19 05:21:59,161 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-201: assume !(0 != __CS_cs_#t~nondet4#1 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite5#1 := ~__CS_ret~0 % 256; [2021-11-19 05:21:59,161 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-203: ~__CS_ret~0 := __CS_cs_#t~ite5#1;havoc __CS_cs_#t~nondet4#1;havoc __CS_cs_#t~ite5#1; [2021-11-19 05:21:59,161 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-204: assume 0 != __CS_cs_#t~nondet4#1 && 1 == ~__CS_round~0 % 256;__CS_cs_#t~ite5#1 := ~__CS_ret_PREEMPTED~0 % 256; [2021-11-19 05:21:59,168 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-204: assume !(0 != __CS_cs_#t~nondet4#1 && 1 == ~__CS_round~0 % 256);__CS_cs_#t~ite5#1 := ~__CS_ret~0 % 256; [2021-11-19 05:21:59,168 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L563-206: ~__CS_ret~0 := __CS_cs_#t~ite5#1;havoc __CS_cs_#t~nondet4#1;havoc __CS_cs_#t~ite5#1; [2021-11-19 05:21:59,169 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L742: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2021-11-19 05:21:59,169 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L742: assume !(0 != ~__CS_ret~0 % 256); [2021-11-19 05:21:59,169 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L742-2: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2021-11-19 05:21:59,169 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L742-2: assume !(0 != ~__CS_ret~0 % 256); [2021-11-19 05:21:59,170 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L742-4: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2021-11-19 05:21:59,170 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L742-4: assume !(0 != ~__CS_ret~0 % 256); [2021-11-19 05:21:59,170 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L744: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2021-11-19 05:21:59,170 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L744: assume !(0 != ~__CS_ret~0 % 256);assume { :begin_inline___CS_cs } true;havoc __CS_cs_#t~nondet3#1, __CS_cs_#t~nondet4#1, __CS_cs_#t~ite5#1, __CS_cs_~k~0#1;__CS_cs_~k~0#1 := __CS_cs_#t~nondet3#1;havoc __CS_cs_#t~nondet3#1; [2021-11-19 05:21:59,171 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L744-2: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2021-11-19 05:21:59,171 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L744-2: assume !(0 != ~__CS_ret~0 % 256);assume { :begin_inline___CS_cs } true;havoc __CS_cs_#t~nondet3#1, __CS_cs_#t~nondet4#1, __CS_cs_#t~ite5#1, __CS_cs_~k~0#1;__CS_cs_~k~0#1 := __CS_cs_#t~nondet3#1;havoc __CS_cs_#t~nondet3#1; [2021-11-19 05:21:59,171 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L744-4: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2021-11-19 05:21:59,171 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L744-4: assume !(0 != ~__CS_ret~0 % 256);assume { :begin_inline___CS_cs } true;havoc __CS_cs_#t~nondet3#1, __CS_cs_#t~nondet4#1, __CS_cs_#t~ite5#1, __CS_cs_~k~0#1;__CS_cs_~k~0#1 := __CS_cs_#t~nondet3#1;havoc __CS_cs_#t~nondet3#1; [2021-11-19 05:21:59,172 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L746: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2021-11-19 05:21:59,172 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L746: assume !(0 != ~__CS_ret~0 % 256); [2021-11-19 05:21:59,172 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-2: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2021-11-19 05:21:59,172 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-2: assume !(0 != ~__CS_ret~0 % 256); [2021-11-19 05:21:59,172 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-4: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset);havoc main_thread_~#t1~0#1.base, main_thread_~#t1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset);havoc main_thread_~#t2~0#1.base, main_thread_~#t2~0#1.offset; [2021-11-19 05:21:59,173 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-4: assume !(0 != ~__CS_ret~0 % 256); [2021-11-19 05:21:59,173 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !!(~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256 < 2);~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256; [2021-11-19 05:21:59,173 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume !(~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256 < 2);assume false; [2021-11-19 05:21:59,173 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##137: assume !(~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256 < 2);assume false; [2021-11-19 05:21:59,174 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume !!(~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256 < 2);~__CS_round~0 := ~__CS_round~0 % 256 + __CS_cs_~k~0#1 % 256; [2021-11-19 05:21:59,174 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:21:59,201 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:21:59,201 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-19 05:21:59,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:59 BoogieIcfgContainer [2021-11-19 05:21:59,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:21:59,206 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-19 05:21:59,207 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-19 05:21:59,210 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-19 05:21:59,211 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 05:21:59,212 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 05:21:53" (1/3) ... [2021-11-19 05:21:59,213 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f5593f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 05:21:59, skipping insertion in model container [2021-11-19 05:21:59,213 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 05:21:59,214 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:54" (2/3) ... [2021-11-19 05:21:59,214 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f5593f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 05:21:59, skipping insertion in model container [2021-11-19 05:21:59,214 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 05:21:59,215 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:59" (3/3) ... [2021-11-19 05:21:59,216 INFO L388 chiAutomizerObserver]: Analyzing ICFG cs_stateful-1.i [2021-11-19 05:21:59,265 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-19 05:21:59,265 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-19 05:21:59,266 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-19 05:21:59,266 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-19 05:21:59,266 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-19 05:21:59,266 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-19 05:21:59,266 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-19 05:21:59,267 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-19 05:21:59,305 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 646 states, 645 states have (on average 1.4930232558139536) internal successors, (963), 645 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:21:59,397 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-19 05:21:59,397 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:21:59,397 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:21:59,405 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-19 05:21:59,406 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-19 05:21:59,406 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-19 05:21:59,409 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 646 states, 645 states have (on average 1.4930232558139536) internal successors, (963), 645 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:21:59,429 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-19 05:21:59,429 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:21:59,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:21:59,430 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-19 05:21:59,430 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-19 05:21:59,436 INFO L791 eck$LassoCheckResult]: Stem: 625#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;havoc ULTIMATE.init_#t~nondet97#1, ULTIMATE.init_#t~nondet98#1, ULTIMATE.init_#t~nondet99#1, ULTIMATE.init_#t~nondet100#1, ULTIMATE.init_#t~nondet101#1, ULTIMATE.init_#t~nondet102#1;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);~__CS_round~0 := 0;~__CS_ret~0 := 0;~__CS_ret_PREEMPTED~0 := 1;~__CS_ret_ERROR~0 := 2;~__CS_ret_FINISHED~0 := 4;~__CS_error~0 := 0;~__CS_thread_index~0 := 0;call ~#__CS_thread_allocated~0.base, ~#__CS_thread_allocated~0.offset := #Ultimate.allocOnStack(3);call write~init~int(0, ~#__CS_thread_allocated~0.base, ~#__CS_thread_allocated~0.offset, 1);call write~init~int(0, ~#__CS_thread_allocated~0.base, 1 + ~#__CS_thread_allocated~0.offset, 1);call write~init~int(0, ~#__CS_thread_allocated~0.base, 2 + ~#__CS_thread_allocated~0.offset, 1);call ~#__CS_thread_born_round~0.base, ~#__CS_thread_born_round~0.offset := #Ultimate.allocOnStack(3);call write~init~int(0, ~#__CS_thread_born_round~0.base, ~#__CS_thread_born_round~0.offset, 1);call write~init~int(0, ~#__CS_thread_born_round~0.base, 1 + ~#__CS_thread_born_round~0.offset, 1);call write~init~int(0, ~#__CS_thread_born_round~0.base, 2 + ~#__CS_thread_born_round~0.offset, 1);~__CS_thread~0.base, ~__CS_thread~0.offset := ~__CS_thread~0.base[0 := 0], ~__CS_thread~0.offset[0 := 0];~__CS_thread~0.base, ~__CS_thread~0.offset := ~__CS_thread~0.base[1 := 0], ~__CS_thread~0.offset[1 := 0];~__CS_thread~0.base, ~__CS_thread~0.offset := ~__CS_thread~0.base[2 := 0], ~__CS_thread~0.offset[2 := 0];call ~#__CS_thread_status~0.base, ~#__CS_thread_status~0.offset := #Ultimate.allocOnStack(6);call write~init~int(0, ~#__CS_thread_status~0.base, ~#__CS_thread_status~0.offset, 1);call write~init~int(0, ~#__CS_thread_status~0.base, 1 + ~#__CS_thread_status~0.offset, 1);call write~init~int(0, ~#__CS_thread_status~0.base, 2 + ~#__CS_thread_status~0.offset, 1);call write~init~int(0, ~#__CS_thread_status~0.base, 3 + ~#__CS_thread_status~0.offset, 1);call write~init~int(0, ~#__CS_thread_status~0.base, 4 + ~#__CS_thread_status~0.offset, 1);call write~init~int(0, ~#__CS_thread_status~0.base, 5 + ~#__CS_thread_status~0.offset, 1);~__THREAD_UNUSED~0 := 0;~__THREAD_RUNNING~0 := 1;~__THREAD_FINISHED~0 := 2;call ~#__CS_thread_lockedon~0.base, ~#__CS_thread_lockedon~0.offset := #Ultimate.allocOnStack(24);call write~init~$Pointer$(0, 0, ~#__CS_thread_lockedon~0.base, ~#__CS_thread_lockedon~0.offset, 4);call write~init~$Pointer$(0, 0, ~#__CS_thread_lockedon~0.base, 4 + ~#__CS_thread_lockedon~0.offset, 4);call write~init~$Pointer$(0, 0, ~#__CS_thread_lockedon~0.base, 8 + ~#__CS_thread_lockedon~0.offset, 4);call write~init~$Pointer$(0, 0, ~#__CS_thread_lockedon~0.base, 12 + ~#__CS_thread_lockedon~0.offset, 4);call write~init~$Pointer$(0, 0, ~#__CS_thread_lockedon~0.base, 16 + ~#__CS_thread_lockedon~0.offset, 4);call write~init~$Pointer$(0, 0, ~#__CS_thread_lockedon~0.base, 20 + ~#__CS_thread_lockedon~0.offset, 4);call ~#ma~0.base, ~#ma~0.offset := #Ultimate.allocOnStack(2);call write~init~int(0, ~#ma~0.base, ~#ma~0.offset, 1);call write~init~int(0, ~#ma~0.base, 1 + ~#ma~0.offset, 1);call ~#mb~0.base, ~#mb~0.offset := #Ultimate.allocOnStack(2);call write~init~int(0, ~#mb~0.base, ~#mb~0.offset, 1);call write~init~int(0, ~#mb~0.base, 1 + ~#mb~0.offset, 1);call ~#data1~0.base, ~#data1~0.offset := #Ultimate.allocOnStack(8);call write~init~int(0, ~#data1~0.base, ~#data1~0.offset, 4);call write~init~int(0, ~#data1~0.base, 4 + ~#data1~0.offset, 4);call ~#data2~0.base, ~#data2~0.offset := #Ultimate.allocOnStack(8);call write~init~int(0, ~#data2~0.base, ~#data2~0.offset, 4);call write~init~int(0, ~#data2~0.base, 4 + ~#data2~0.offset, 4);~__CS_u~0.ma := ~__CS_u~0.ma[0 := 0];~__CS_u~0.ma := ~__CS_u~0.ma[1 := 0];~__CS_u~0.mb := ~__CS_u~0.mb[0 := ULTIMATE.init_#t~nondet97#1];~__CS_u~0.mb := ~__CS_u~0.mb[1 := ULTIMATE.init_#t~nondet98#1];~__CS_u~0.data1 := ~__CS_u~0.data1[0 := ULTIMATE.init_#t~nondet99#1];~__CS_u~0.data1 := ~__CS_u~0.data1[1 := ULTIMATE.init_#t~nondet100#1];~__CS_u~0.data2 := ~__CS_u~0.data2[0 := ULTIMATE.init_#t~nondet101#1];~__CS_u~0.data2 := ~__CS_u~0.data2[1 := ULTIMATE.init_#t~nondet102#1];havoc ULTIMATE.init_#t~nondet97#1;havoc ULTIMATE.init_#t~nondet98#1;havoc ULTIMATE.init_#t~nondet99#1;havoc ULTIMATE.init_#t~nondet100#1;havoc ULTIMATE.init_#t~nondet101#1;havoc ULTIMATE.init_#t~nondet102#1; 545#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet49#1, main_#t~nondet50#1, main_#t~pre48#1, main_~j~2#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~pre47#1, main_~i~0#1, main_#t~mem55#1, main_#t~mem56#1, main_#t~mem57#1, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1, main_#t~mem62#1, main_#t~mem63#1, main_#t~mem64#1, main_#t~mem65#1, main_#t~mem66#1, main_#t~ret68#1.base, main_#t~ret68#1.offset, main_#t~mem69#1, main_#t~mem70#1, main_#t~ret72#1.base, main_#t~ret72#1.offset, main_#t~mem73#1, main_#t~mem74#1, main_#t~ret76#1.base, main_#t~ret76#1.offset, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~mem80#1, main_#t~mem81#1, main_#t~mem82#1, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1, main_#t~mem90#1, main_#t~mem91#1, main_#t~mem92#1, main_#t~mem93#1, main_#t~mem94#1, main_#t~mem95#1, main_#t~mem96#1, main_~#__CS_cp___CS_thread_status~0#1.base, main_~#__CS_cp___CS_thread_status~0#1.offset, main_~#__CS_cp___CS_thread_lockedon~0#1.base, main_~#__CS_cp___CS_thread_lockedon~0#1.offset, main_~#__CS_cp_ma~0#1.base, main_~#__CS_cp_ma~0#1.offset, main_~#__CS_cp_mb~0#1.base, main_~#__CS_cp_mb~0#1.offset, main_~#__CS_cp_data1~0#1.base, main_~#__CS_cp_data1~0#1.offset, main_~#__CS_cp_data2~0#1.base, main_~#__CS_cp_data2~0#1.offset;call main_~#__CS_cp___CS_thread_status~0#1.base, main_~#__CS_cp___CS_thread_status~0#1.offset := #Ultimate.allocOnStack(6);call main_~#__CS_cp___CS_thread_lockedon~0#1.base, main_~#__CS_cp___CS_thread_lockedon~0#1.offset := #Ultimate.allocOnStack(24);call main_~#__CS_cp_ma~0#1.base, main_~#__CS_cp_ma~0#1.offset := #Ultimate.allocOnStack(2);call main_~#__CS_cp_mb~0#1.base, main_~#__CS_cp_mb~0#1.offset := #Ultimate.allocOnStack(2);call main_~#__CS_cp_data1~0#1.base, main_~#__CS_cp_data1~0#1.offset := #Ultimate.allocOnStack(8);call main_~#__CS_cp_data2~0#1.base, main_~#__CS_cp_data2~0#1.offset := #Ultimate.allocOnStack(8);main_~i~0#1 := 0; 232#L758-3true [2021-11-19 05:21:59,437 INFO L793 eck$LassoCheckResult]: Loop: 232#L758-3true assume !!(main_~i~0#1 < 2);main_~j~2#1 := 0; 224#L759-3true assume !(main_~j~2#1 < 3); 458#L759-4true call write~int(main_#t~nondet51#1, main_~#__CS_cp_ma~0#1.base, main_~#__CS_cp_ma~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet51#1;call write~int(main_#t~nondet52#1, main_~#__CS_cp_mb~0#1.base, main_~#__CS_cp_mb~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet52#1;call write~int(main_#t~nondet53#1, main_~#__CS_cp_data1~0#1.base, main_~#__CS_cp_data1~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet53#1;call write~int(main_#t~nondet54#1, main_~#__CS_cp_data2~0#1.base, main_~#__CS_cp_data2~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet54#1; 10#L758-2true main_#t~pre47#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre47#1; 232#L758-3true [2021-11-19 05:21:59,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:59,450 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-19 05:21:59,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:59,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597012924] [2021-11-19 05:21:59,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:59,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:21:59,738 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:21:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:21:59,859 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:21:59,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:59,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1237577, now seen corresponding path program 1 times [2021-11-19 05:21:59,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:59,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138190942] [2021-11-19 05:21:59,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:59,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:59,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:59,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:59,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138190942] [2021-11-19 05:21:59,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138190942] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:59,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:59,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:21:59,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149725613] [2021-11-19 05:21:59,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:59,948 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-19 05:21:59,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:22:00,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:22:00,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:22:00,020 INFO L87 Difference]: Start difference. First operand has 646 states, 645 states have (on average 1.4930232558139536) internal successors, (963), 645 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:22:00,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:22:00,162 INFO L93 Difference]: Finished difference Result 648 states and 871 transitions. [2021-11-19 05:22:00,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:22:00,170 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 648 states and 871 transitions. [2021-11-19 05:22:00,183 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-19 05:22:00,186 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 648 states to 9 states and 10 transitions. [2021-11-19 05:22:00,187 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-11-19 05:22:00,188 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-11-19 05:22:00,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2021-11-19 05:22:00,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:22:00,190 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-11-19 05:22:00,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2021-11-19 05:22:00,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2021-11-19 05:22:00,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.125) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:22:00,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2021-11-19 05:22:00,219 INFO L704 BuchiCegarLoop]: Abstraction has 8 states and 9 transitions. [2021-11-19 05:22:00,220 INFO L587 BuchiCegarLoop]: Abstraction has 8 states and 9 transitions. [2021-11-19 05:22:00,220 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-19 05:22:00,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 9 transitions. [2021-11-19 05:22:00,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-19 05:22:00,220 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:22:00,221 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:22:00,221 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-19 05:22:00,221 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-19 05:22:00,221 INFO L791 eck$LassoCheckResult]: Stem: 1306#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;havoc ULTIMATE.init_#t~nondet97#1, ULTIMATE.init_#t~nondet98#1, ULTIMATE.init_#t~nondet99#1, ULTIMATE.init_#t~nondet100#1, ULTIMATE.init_#t~nondet101#1, ULTIMATE.init_#t~nondet102#1;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);~__CS_round~0 := 0;~__CS_ret~0 := 0;~__CS_ret_PREEMPTED~0 := 1;~__CS_ret_ERROR~0 := 2;~__CS_ret_FINISHED~0 := 4;~__CS_error~0 := 0;~__CS_thread_index~0 := 0;call ~#__CS_thread_allocated~0.base, ~#__CS_thread_allocated~0.offset := #Ultimate.allocOnStack(3);call write~init~int(0, ~#__CS_thread_allocated~0.base, ~#__CS_thread_allocated~0.offset, 1);call write~init~int(0, ~#__CS_thread_allocated~0.base, 1 + ~#__CS_thread_allocated~0.offset, 1);call write~init~int(0, ~#__CS_thread_allocated~0.base, 2 + ~#__CS_thread_allocated~0.offset, 1);call ~#__CS_thread_born_round~0.base, ~#__CS_thread_born_round~0.offset := #Ultimate.allocOnStack(3);call write~init~int(0, ~#__CS_thread_born_round~0.base, ~#__CS_thread_born_round~0.offset, 1);call write~init~int(0, ~#__CS_thread_born_round~0.base, 1 + ~#__CS_thread_born_round~0.offset, 1);call write~init~int(0, ~#__CS_thread_born_round~0.base, 2 + ~#__CS_thread_born_round~0.offset, 1);~__CS_thread~0.base, ~__CS_thread~0.offset := ~__CS_thread~0.base[0 := 0], ~__CS_thread~0.offset[0 := 0];~__CS_thread~0.base, ~__CS_thread~0.offset := ~__CS_thread~0.base[1 := 0], ~__CS_thread~0.offset[1 := 0];~__CS_thread~0.base, ~__CS_thread~0.offset := ~__CS_thread~0.base[2 := 0], ~__CS_thread~0.offset[2 := 0];call ~#__CS_thread_status~0.base, ~#__CS_thread_status~0.offset := #Ultimate.allocOnStack(6);call write~init~int(0, ~#__CS_thread_status~0.base, ~#__CS_thread_status~0.offset, 1);call write~init~int(0, ~#__CS_thread_status~0.base, 1 + ~#__CS_thread_status~0.offset, 1);call write~init~int(0, ~#__CS_thread_status~0.base, 2 + ~#__CS_thread_status~0.offset, 1);call write~init~int(0, ~#__CS_thread_status~0.base, 3 + ~#__CS_thread_status~0.offset, 1);call write~init~int(0, ~#__CS_thread_status~0.base, 4 + ~#__CS_thread_status~0.offset, 1);call write~init~int(0, ~#__CS_thread_status~0.base, 5 + ~#__CS_thread_status~0.offset, 1);~__THREAD_UNUSED~0 := 0;~__THREAD_RUNNING~0 := 1;~__THREAD_FINISHED~0 := 2;call ~#__CS_thread_lockedon~0.base, ~#__CS_thread_lockedon~0.offset := #Ultimate.allocOnStack(24);call write~init~$Pointer$(0, 0, ~#__CS_thread_lockedon~0.base, ~#__CS_thread_lockedon~0.offset, 4);call write~init~$Pointer$(0, 0, ~#__CS_thread_lockedon~0.base, 4 + ~#__CS_thread_lockedon~0.offset, 4);call write~init~$Pointer$(0, 0, ~#__CS_thread_lockedon~0.base, 8 + ~#__CS_thread_lockedon~0.offset, 4);call write~init~$Pointer$(0, 0, ~#__CS_thread_lockedon~0.base, 12 + ~#__CS_thread_lockedon~0.offset, 4);call write~init~$Pointer$(0, 0, ~#__CS_thread_lockedon~0.base, 16 + ~#__CS_thread_lockedon~0.offset, 4);call write~init~$Pointer$(0, 0, ~#__CS_thread_lockedon~0.base, 20 + ~#__CS_thread_lockedon~0.offset, 4);call ~#ma~0.base, ~#ma~0.offset := #Ultimate.allocOnStack(2);call write~init~int(0, ~#ma~0.base, ~#ma~0.offset, 1);call write~init~int(0, ~#ma~0.base, 1 + ~#ma~0.offset, 1);call ~#mb~0.base, ~#mb~0.offset := #Ultimate.allocOnStack(2);call write~init~int(0, ~#mb~0.base, ~#mb~0.offset, 1);call write~init~int(0, ~#mb~0.base, 1 + ~#mb~0.offset, 1);call ~#data1~0.base, ~#data1~0.offset := #Ultimate.allocOnStack(8);call write~init~int(0, ~#data1~0.base, ~#data1~0.offset, 4);call write~init~int(0, ~#data1~0.base, 4 + ~#data1~0.offset, 4);call ~#data2~0.base, ~#data2~0.offset := #Ultimate.allocOnStack(8);call write~init~int(0, ~#data2~0.base, ~#data2~0.offset, 4);call write~init~int(0, ~#data2~0.base, 4 + ~#data2~0.offset, 4);~__CS_u~0.ma := ~__CS_u~0.ma[0 := 0];~__CS_u~0.ma := ~__CS_u~0.ma[1 := 0];~__CS_u~0.mb := ~__CS_u~0.mb[0 := ULTIMATE.init_#t~nondet97#1];~__CS_u~0.mb := ~__CS_u~0.mb[1 := ULTIMATE.init_#t~nondet98#1];~__CS_u~0.data1 := ~__CS_u~0.data1[0 := ULTIMATE.init_#t~nondet99#1];~__CS_u~0.data1 := ~__CS_u~0.data1[1 := ULTIMATE.init_#t~nondet100#1];~__CS_u~0.data2 := ~__CS_u~0.data2[0 := ULTIMATE.init_#t~nondet101#1];~__CS_u~0.data2 := ~__CS_u~0.data2[1 := ULTIMATE.init_#t~nondet102#1];havoc ULTIMATE.init_#t~nondet97#1;havoc ULTIMATE.init_#t~nondet98#1;havoc ULTIMATE.init_#t~nondet99#1;havoc ULTIMATE.init_#t~nondet100#1;havoc ULTIMATE.init_#t~nondet101#1;havoc ULTIMATE.init_#t~nondet102#1; 1307#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet49#1, main_#t~nondet50#1, main_#t~pre48#1, main_~j~2#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~pre47#1, main_~i~0#1, main_#t~mem55#1, main_#t~mem56#1, main_#t~mem57#1, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1, main_#t~mem62#1, main_#t~mem63#1, main_#t~mem64#1, main_#t~mem65#1, main_#t~mem66#1, main_#t~ret68#1.base, main_#t~ret68#1.offset, main_#t~mem69#1, main_#t~mem70#1, main_#t~ret72#1.base, main_#t~ret72#1.offset, main_#t~mem73#1, main_#t~mem74#1, main_#t~ret76#1.base, main_#t~ret76#1.offset, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~mem80#1, main_#t~mem81#1, main_#t~mem82#1, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1, main_#t~mem90#1, main_#t~mem91#1, main_#t~mem92#1, main_#t~mem93#1, main_#t~mem94#1, main_#t~mem95#1, main_#t~mem96#1, main_~#__CS_cp___CS_thread_status~0#1.base, main_~#__CS_cp___CS_thread_status~0#1.offset, main_~#__CS_cp___CS_thread_lockedon~0#1.base, main_~#__CS_cp___CS_thread_lockedon~0#1.offset, main_~#__CS_cp_ma~0#1.base, main_~#__CS_cp_ma~0#1.offset, main_~#__CS_cp_mb~0#1.base, main_~#__CS_cp_mb~0#1.offset, main_~#__CS_cp_data1~0#1.base, main_~#__CS_cp_data1~0#1.offset, main_~#__CS_cp_data2~0#1.base, main_~#__CS_cp_data2~0#1.offset;call main_~#__CS_cp___CS_thread_status~0#1.base, main_~#__CS_cp___CS_thread_status~0#1.offset := #Ultimate.allocOnStack(6);call main_~#__CS_cp___CS_thread_lockedon~0#1.base, main_~#__CS_cp___CS_thread_lockedon~0#1.offset := #Ultimate.allocOnStack(24);call main_~#__CS_cp_ma~0#1.base, main_~#__CS_cp_ma~0#1.offset := #Ultimate.allocOnStack(2);call main_~#__CS_cp_mb~0#1.base, main_~#__CS_cp_mb~0#1.offset := #Ultimate.allocOnStack(2);call main_~#__CS_cp_data1~0#1.base, main_~#__CS_cp_data1~0#1.offset := #Ultimate.allocOnStack(8);call main_~#__CS_cp_data2~0#1.base, main_~#__CS_cp_data2~0#1.offset := #Ultimate.allocOnStack(8);main_~i~0#1 := 0; 1309#L758-3 [2021-11-19 05:22:00,222 INFO L793 eck$LassoCheckResult]: Loop: 1309#L758-3 assume !!(main_~i~0#1 < 2);main_~j~2#1 := 0; 1303#L759-3 assume !!(main_~j~2#1 < 3);call write~int(main_#t~nondet49#1, main_~#__CS_cp___CS_thread_status~0#1.base, main_~#__CS_cp___CS_thread_status~0#1.offset + 3 * main_~i~0#1 + main_~j~2#1, 1);havoc main_#t~nondet49#1;call write~$Pointer$(0, (if main_#t~nondet50#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet50#1 % 4294967296 % 4294967296 else main_#t~nondet50#1 % 4294967296 % 4294967296 - 4294967296), main_~#__CS_cp___CS_thread_lockedon~0#1.base, main_~#__CS_cp___CS_thread_lockedon~0#1.offset + 12 * main_~i~0#1 + 4 * main_~j~2#1, 4);havoc main_#t~nondet50#1; 1304#L759-2 main_#t~pre48#1 := 1 + main_~j~2#1;main_~j~2#1 := 1 + main_~j~2#1;havoc main_#t~pre48#1; 1305#L759-3 assume !(main_~j~2#1 < 3); 1310#L759-4 call write~int(main_#t~nondet51#1, main_~#__CS_cp_ma~0#1.base, main_~#__CS_cp_ma~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet51#1;call write~int(main_#t~nondet52#1, main_~#__CS_cp_mb~0#1.base, main_~#__CS_cp_mb~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet52#1;call write~int(main_#t~nondet53#1, main_~#__CS_cp_data1~0#1.base, main_~#__CS_cp_data1~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet53#1;call write~int(main_#t~nondet54#1, main_~#__CS_cp_data2~0#1.base, main_~#__CS_cp_data2~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet54#1; 1308#L758-2 main_#t~pre47#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre47#1; 1309#L758-3 [2021-11-19 05:22:00,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:00,223 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-11-19 05:22:00,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:00,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562039700] [2021-11-19 05:22:00,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:00,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:22:00,299 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:22:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:22:00,343 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:22:00,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:00,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1191030535, now seen corresponding path program 1 times [2021-11-19 05:22:00,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:00,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555352194] [2021-11-19 05:22:00,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:00,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:22:00,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:00,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:22:00,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555352194] [2021-11-19 05:22:00,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555352194] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:22:00,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938480500] [2021-11-19 05:22:00,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:00,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:22:00,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138254f0-74a9-48a9-9e71-37c4d66ce072/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:22:00,454 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138254f0-74a9-48a9-9e71-37c4d66ce072/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:22:00,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_138254f0-74a9-48a9-9e71-37c4d66ce072/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 05:22:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:22:00,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 05:22:00,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:22:00,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:00,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:22:00,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:22:00,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938480500] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:22:00,661 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:22:00,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2021-11-19 05:22:00,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416624716] [2021-11-19 05:22:00,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:22:00,663 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-19 05:22:00,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:22:00,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 05:22:00,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-19 05:22:00,666 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. cyclomatic complexity: 2 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:22:00,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:22:00,708 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2021-11-19 05:22:00,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 05:22:00,709 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2021-11-19 05:22:00,710 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-11-19 05:22:00,710 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 13 transitions. [2021-11-19 05:22:00,710 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-11-19 05:22:00,711 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-11-19 05:22:00,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 13 transitions. [2021-11-19 05:22:00,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:22:00,711 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 13 transitions. [2021-11-19 05:22:00,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 13 transitions. [2021-11-19 05:22:00,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-11-19 05:22:00,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:22:00,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2021-11-19 05:22:00,718 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 13 transitions. [2021-11-19 05:22:00,719 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 13 transitions. [2021-11-19 05:22:00,719 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-19 05:22:00,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 13 transitions. [2021-11-19 05:22:00,720 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-11-19 05:22:00,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:22:00,728 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:22:00,728 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-19 05:22:00,728 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 1, 1, 1, 1] [2021-11-19 05:22:00,728 INFO L791 eck$LassoCheckResult]: Stem: 1363#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;havoc ULTIMATE.init_#t~nondet97#1, ULTIMATE.init_#t~nondet98#1, ULTIMATE.init_#t~nondet99#1, ULTIMATE.init_#t~nondet100#1, ULTIMATE.init_#t~nondet101#1, ULTIMATE.init_#t~nondet102#1;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);~__CS_round~0 := 0;~__CS_ret~0 := 0;~__CS_ret_PREEMPTED~0 := 1;~__CS_ret_ERROR~0 := 2;~__CS_ret_FINISHED~0 := 4;~__CS_error~0 := 0;~__CS_thread_index~0 := 0;call ~#__CS_thread_allocated~0.base, ~#__CS_thread_allocated~0.offset := #Ultimate.allocOnStack(3);call write~init~int(0, ~#__CS_thread_allocated~0.base, ~#__CS_thread_allocated~0.offset, 1);call write~init~int(0, ~#__CS_thread_allocated~0.base, 1 + ~#__CS_thread_allocated~0.offset, 1);call write~init~int(0, ~#__CS_thread_allocated~0.base, 2 + ~#__CS_thread_allocated~0.offset, 1);call ~#__CS_thread_born_round~0.base, ~#__CS_thread_born_round~0.offset := #Ultimate.allocOnStack(3);call write~init~int(0, ~#__CS_thread_born_round~0.base, ~#__CS_thread_born_round~0.offset, 1);call write~init~int(0, ~#__CS_thread_born_round~0.base, 1 + ~#__CS_thread_born_round~0.offset, 1);call write~init~int(0, ~#__CS_thread_born_round~0.base, 2 + ~#__CS_thread_born_round~0.offset, 1);~__CS_thread~0.base, ~__CS_thread~0.offset := ~__CS_thread~0.base[0 := 0], ~__CS_thread~0.offset[0 := 0];~__CS_thread~0.base, ~__CS_thread~0.offset := ~__CS_thread~0.base[1 := 0], ~__CS_thread~0.offset[1 := 0];~__CS_thread~0.base, ~__CS_thread~0.offset := ~__CS_thread~0.base[2 := 0], ~__CS_thread~0.offset[2 := 0];call ~#__CS_thread_status~0.base, ~#__CS_thread_status~0.offset := #Ultimate.allocOnStack(6);call write~init~int(0, ~#__CS_thread_status~0.base, ~#__CS_thread_status~0.offset, 1);call write~init~int(0, ~#__CS_thread_status~0.base, 1 + ~#__CS_thread_status~0.offset, 1);call write~init~int(0, ~#__CS_thread_status~0.base, 2 + ~#__CS_thread_status~0.offset, 1);call write~init~int(0, ~#__CS_thread_status~0.base, 3 + ~#__CS_thread_status~0.offset, 1);call write~init~int(0, ~#__CS_thread_status~0.base, 4 + ~#__CS_thread_status~0.offset, 1);call write~init~int(0, ~#__CS_thread_status~0.base, 5 + ~#__CS_thread_status~0.offset, 1);~__THREAD_UNUSED~0 := 0;~__THREAD_RUNNING~0 := 1;~__THREAD_FINISHED~0 := 2;call ~#__CS_thread_lockedon~0.base, ~#__CS_thread_lockedon~0.offset := #Ultimate.allocOnStack(24);call write~init~$Pointer$(0, 0, ~#__CS_thread_lockedon~0.base, ~#__CS_thread_lockedon~0.offset, 4);call write~init~$Pointer$(0, 0, ~#__CS_thread_lockedon~0.base, 4 + ~#__CS_thread_lockedon~0.offset, 4);call write~init~$Pointer$(0, 0, ~#__CS_thread_lockedon~0.base, 8 + ~#__CS_thread_lockedon~0.offset, 4);call write~init~$Pointer$(0, 0, ~#__CS_thread_lockedon~0.base, 12 + ~#__CS_thread_lockedon~0.offset, 4);call write~init~$Pointer$(0, 0, ~#__CS_thread_lockedon~0.base, 16 + ~#__CS_thread_lockedon~0.offset, 4);call write~init~$Pointer$(0, 0, ~#__CS_thread_lockedon~0.base, 20 + ~#__CS_thread_lockedon~0.offset, 4);call ~#ma~0.base, ~#ma~0.offset := #Ultimate.allocOnStack(2);call write~init~int(0, ~#ma~0.base, ~#ma~0.offset, 1);call write~init~int(0, ~#ma~0.base, 1 + ~#ma~0.offset, 1);call ~#mb~0.base, ~#mb~0.offset := #Ultimate.allocOnStack(2);call write~init~int(0, ~#mb~0.base, ~#mb~0.offset, 1);call write~init~int(0, ~#mb~0.base, 1 + ~#mb~0.offset, 1);call ~#data1~0.base, ~#data1~0.offset := #Ultimate.allocOnStack(8);call write~init~int(0, ~#data1~0.base, ~#data1~0.offset, 4);call write~init~int(0, ~#data1~0.base, 4 + ~#data1~0.offset, 4);call ~#data2~0.base, ~#data2~0.offset := #Ultimate.allocOnStack(8);call write~init~int(0, ~#data2~0.base, ~#data2~0.offset, 4);call write~init~int(0, ~#data2~0.base, 4 + ~#data2~0.offset, 4);~__CS_u~0.ma := ~__CS_u~0.ma[0 := 0];~__CS_u~0.ma := ~__CS_u~0.ma[1 := 0];~__CS_u~0.mb := ~__CS_u~0.mb[0 := ULTIMATE.init_#t~nondet97#1];~__CS_u~0.mb := ~__CS_u~0.mb[1 := ULTIMATE.init_#t~nondet98#1];~__CS_u~0.data1 := ~__CS_u~0.data1[0 := ULTIMATE.init_#t~nondet99#1];~__CS_u~0.data1 := ~__CS_u~0.data1[1 := ULTIMATE.init_#t~nondet100#1];~__CS_u~0.data2 := ~__CS_u~0.data2[0 := ULTIMATE.init_#t~nondet101#1];~__CS_u~0.data2 := ~__CS_u~0.data2[1 := ULTIMATE.init_#t~nondet102#1];havoc ULTIMATE.init_#t~nondet97#1;havoc ULTIMATE.init_#t~nondet98#1;havoc ULTIMATE.init_#t~nondet99#1;havoc ULTIMATE.init_#t~nondet100#1;havoc ULTIMATE.init_#t~nondet101#1;havoc ULTIMATE.init_#t~nondet102#1; 1364#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet49#1, main_#t~nondet50#1, main_#t~pre48#1, main_~j~2#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~pre47#1, main_~i~0#1, main_#t~mem55#1, main_#t~mem56#1, main_#t~mem57#1, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~mem61#1, main_#t~mem62#1, main_#t~mem63#1, main_#t~mem64#1, main_#t~mem65#1, main_#t~mem66#1, main_#t~ret68#1.base, main_#t~ret68#1.offset, main_#t~mem69#1, main_#t~mem70#1, main_#t~ret72#1.base, main_#t~ret72#1.offset, main_#t~mem73#1, main_#t~mem74#1, main_#t~ret76#1.base, main_#t~ret76#1.offset, main_#t~mem77#1, main_#t~mem78#1, main_#t~mem79#1, main_#t~mem80#1, main_#t~mem81#1, main_#t~mem82#1, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1.base, main_#t~mem85#1.offset, main_#t~mem86#1.base, main_#t~mem86#1.offset, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1, main_#t~mem90#1, main_#t~mem91#1, main_#t~mem92#1, main_#t~mem93#1, main_#t~mem94#1, main_#t~mem95#1, main_#t~mem96#1, main_~#__CS_cp___CS_thread_status~0#1.base, main_~#__CS_cp___CS_thread_status~0#1.offset, main_~#__CS_cp___CS_thread_lockedon~0#1.base, main_~#__CS_cp___CS_thread_lockedon~0#1.offset, main_~#__CS_cp_ma~0#1.base, main_~#__CS_cp_ma~0#1.offset, main_~#__CS_cp_mb~0#1.base, main_~#__CS_cp_mb~0#1.offset, main_~#__CS_cp_data1~0#1.base, main_~#__CS_cp_data1~0#1.offset, main_~#__CS_cp_data2~0#1.base, main_~#__CS_cp_data2~0#1.offset;call main_~#__CS_cp___CS_thread_status~0#1.base, main_~#__CS_cp___CS_thread_status~0#1.offset := #Ultimate.allocOnStack(6);call main_~#__CS_cp___CS_thread_lockedon~0#1.base, main_~#__CS_cp___CS_thread_lockedon~0#1.offset := #Ultimate.allocOnStack(24);call main_~#__CS_cp_ma~0#1.base, main_~#__CS_cp_ma~0#1.offset := #Ultimate.allocOnStack(2);call main_~#__CS_cp_mb~0#1.base, main_~#__CS_cp_mb~0#1.offset := #Ultimate.allocOnStack(2);call main_~#__CS_cp_data1~0#1.base, main_~#__CS_cp_data1~0#1.offset := #Ultimate.allocOnStack(8);call main_~#__CS_cp_data2~0#1.base, main_~#__CS_cp_data2~0#1.offset := #Ultimate.allocOnStack(8);main_~i~0#1 := 0; 1367#L758-3 [2021-11-19 05:22:00,728 INFO L793 eck$LassoCheckResult]: Loop: 1367#L758-3 assume !!(main_~i~0#1 < 2);main_~j~2#1 := 0; 1361#L759-3 assume !!(main_~j~2#1 < 3);call write~int(main_#t~nondet49#1, main_~#__CS_cp___CS_thread_status~0#1.base, main_~#__CS_cp___CS_thread_status~0#1.offset + 3 * main_~i~0#1 + main_~j~2#1, 1);havoc main_#t~nondet49#1;call write~$Pointer$(0, (if main_#t~nondet50#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet50#1 % 4294967296 % 4294967296 else main_#t~nondet50#1 % 4294967296 % 4294967296 - 4294967296), main_~#__CS_cp___CS_thread_lockedon~0#1.base, main_~#__CS_cp___CS_thread_lockedon~0#1.offset + 12 * main_~i~0#1 + 4 * main_~j~2#1, 4);havoc main_#t~nondet50#1; 1362#L759-2 main_#t~pre48#1 := 1 + main_~j~2#1;main_~j~2#1 := 1 + main_~j~2#1;havoc main_#t~pre48#1; 1365#L759-3 assume !!(main_~j~2#1 < 3);call write~int(main_#t~nondet49#1, main_~#__CS_cp___CS_thread_status~0#1.base, main_~#__CS_cp___CS_thread_status~0#1.offset + 3 * main_~i~0#1 + main_~j~2#1, 1);havoc main_#t~nondet49#1;call write~$Pointer$(0, (if main_#t~nondet50#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet50#1 % 4294967296 % 4294967296 else main_#t~nondet50#1 % 4294967296 % 4294967296 - 4294967296), main_~#__CS_cp___CS_thread_lockedon~0#1.base, main_~#__CS_cp___CS_thread_lockedon~0#1.offset + 12 * main_~i~0#1 + 4 * main_~j~2#1, 4);havoc main_#t~nondet50#1; 1372#L759-2 main_#t~pre48#1 := 1 + main_~j~2#1;main_~j~2#1 := 1 + main_~j~2#1;havoc main_#t~pre48#1; 1371#L759-3 assume !!(main_~j~2#1 < 3);call write~int(main_#t~nondet49#1, main_~#__CS_cp___CS_thread_status~0#1.base, main_~#__CS_cp___CS_thread_status~0#1.offset + 3 * main_~i~0#1 + main_~j~2#1, 1);havoc main_#t~nondet49#1;call write~$Pointer$(0, (if main_#t~nondet50#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet50#1 % 4294967296 % 4294967296 else main_#t~nondet50#1 % 4294967296 % 4294967296 - 4294967296), main_~#__CS_cp___CS_thread_lockedon~0#1.base, main_~#__CS_cp___CS_thread_lockedon~0#1.offset + 12 * main_~i~0#1 + 4 * main_~j~2#1, 4);havoc main_#t~nondet50#1; 1370#L759-2 main_#t~pre48#1 := 1 + main_~j~2#1;main_~j~2#1 := 1 + main_~j~2#1;havoc main_#t~pre48#1; 1369#L759-3 assume !(main_~j~2#1 < 3); 1368#L759-4 call write~int(main_#t~nondet51#1, main_~#__CS_cp_ma~0#1.base, main_~#__CS_cp_ma~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet51#1;call write~int(main_#t~nondet52#1, main_~#__CS_cp_mb~0#1.base, main_~#__CS_cp_mb~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet52#1;call write~int(main_#t~nondet53#1, main_~#__CS_cp_data1~0#1.base, main_~#__CS_cp_data1~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet53#1;call write~int(main_#t~nondet54#1, main_~#__CS_cp_data2~0#1.base, main_~#__CS_cp_data2~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet54#1; 1366#L758-2 main_#t~pre47#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre47#1; 1367#L758-3 [2021-11-19 05:22:00,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:00,729 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2021-11-19 05:22:00,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:00,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452780775] [2021-11-19 05:22:00,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:00,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:22:00,756 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:22:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:22:00,792 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:22:00,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:00,792 INFO L85 PathProgramCache]: Analyzing trace with hash -2055044605, now seen corresponding path program 2 times [2021-11-19 05:22:00,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:00,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180009398] [2021-11-19 05:22:00,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:00,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:22:00,833 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:22:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:22:00,870 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:22:00,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:22:00,871 INFO L85 PathProgramCache]: Analyzing trace with hash 149568325, now seen corresponding path program 1 times [2021-11-19 05:22:00,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:22:00,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023305530] [2021-11-19 05:22:00,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:22:00,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:22:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:22:01,072 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:22:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:22:01,174 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:28:10,145 WARN L227 SmtUtils]: Spent 6.15m on a formula simplification. DAG size of input: 320 DAG size of output: 299 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)